using System;
using System.Collections;
using System.Collections.Generic;
using System.Dynamic;
using System.IdentityModel.Tokens.Jwt;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Net.Http.Json;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using Azure;
using Azure.Cosmos;
using Azure.Messaging.ServiceBus;
using Azure.Storage.Sas;
using HTEXLib.COMM.Helpers;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Cryptography.KeyDerivation;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Azure.Amqp.Framing;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Options;
using Microsoft.Identity.Client;
using Org.BouncyCastle.Asn1.Tsp;
using StackExchange.Redis;
using TEAMModelOS.Filter;
using TEAMModelOS.Models;
using TEAMModelOS.SDK;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models;
using TEAMModelOS.SDK.Models.Cosmos;
using TEAMModelOS.SDK.Models.Cosmos.Common;
using TEAMModelOS.SDK.Models.Service;
using static TEAMModelOS.SDK.Services.BlobService;
using static TEAMModelOS.SDK.StudentService;

namespace TEAMModelOS.Controllers
{
    [Route("student")]
    [ApiController]
    public class StudentController : Controller
    {
        private readonly AzureCosmosFactory _azureCosmos;
        private readonly AzureStorageFactory _azureStorage;
        private readonly AzureRedisFactory _azureRedis;
        private readonly DingDing _dingDing;
        private readonly Option _option;
        private readonly IPSearcher _searcher;
        private readonly HttpTrigger _httpTrigger;
        private readonly CoreAPIHttpService _coreAPIHttpService;
        private readonly IWebHostEnvironment _environment;
        public IConfiguration _configuration { get; set; }
        private readonly AzureServiceBusFactory _serviceBus;
        private readonly IHttpClientFactory _httpClient;
        public StudentController(IWebHostEnvironment environment, CoreAPIHttpService coreAPIHttpService, AzureCosmosFactory azureCosmos, AzureStorageFactory azureStorage, AzureRedisFactory azureRedis, DingDing dingDing, IPSearcher searcher, IOptionsSnapshot<Option> option,IConfiguration configuration, AzureServiceBusFactory serviceBus, HttpTrigger httpTrigger, IHttpClientFactory httpClient
            )
        {
            _searcher = searcher;
            _azureCosmos = azureCosmos;
            _azureStorage = azureStorage;
            _azureRedis = azureRedis;
            _dingDing = dingDing;
            _option = option?.Value;
            _configuration = configuration;
            _serviceBus = serviceBus;
            _httpTrigger = httpTrigger;
            _coreAPIHttpService = coreAPIHttpService;
            _environment = environment;
            _httpClient = httpClient;
        }

        /// <summary>
        /// 學生帳號管理
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("student-manage")]
        [Authorize(Roles = "IES")]
        [AuthToken(Roles = "admin,student,teacher")]
        public async Task<IActionResult> StudentManage(JsonElement request)
        {
            try
            {
                //TODO : 權限檢查、學校檢查。
                if (!request.TryGetProperty("grant_type", out JsonElement grant_type) || !request.TryGetProperty("schoolId", out JsonElement schoolId)) return BadRequest();
                List<Student> preStudents = null;
                List<Student> webStudents = null;
                var (stuid, _, _, school) = HttpContext.GetAuthTokenInfo();
                switch (grant_type.GetString())
                {
                    case "create":
                        //單人創建 創建學生->將學生加入教室 檢查學生ID是否重複，欲加入的班級存不存在，座號是否重複。
                        //id pw name classId no year
                        //retrun 如果有重複則回{ existNo } , 成功則{ id, name, year, classId, no }
                        var importStuds = request.GetProperty("students").EnumerateArray();
                        Dictionary<string, GroupChange> dictChange = new Dictionary<string, GroupChange>();
                        while (importStuds.MoveNext())
                        {
                            JsonElement currStud = importStuds.Current;
                            string id = null, name = null, pw = null, no = null, classId = null, periodId = null, imei = null , gender= null;
                            List<StudentGuardian> guardians = null;
                            int year = 0;
                            //讀取輸入的資料
                            if (!currStud.TryGetProperty("id", out var tmpId) || !currStud.TryGetProperty("name", out var tmpName)) continue;
                            id = tmpId.GetString();
                            name = tmpName.GetString();
                            if (currStud.TryGetProperty("pw", out var tmpPw)) pw = tmpPw.GetString();
                            if (currStud.TryGetProperty("year", out var tmpYear)) year = tmpYear.GetInt32();
                            if (currStud.TryGetProperty("no", out var tmpNo)) no = tmpNo.GetString();
                            if (currStud.TryGetProperty("classId", out var tmpClassId)) classId = tmpClassId.GetString();
                            if (currStud.TryGetProperty("imei", out var tmpImei)) imei = $"{tmpImei}";
                            if (currStud.TryGetProperty("gender", out var tmpGender)) gender = $"{tmpGender}";
                            if (currStud.TryGetProperty("guardians", out var tmpGuardians)) {
                                guardians = tmpGuardians.Deserialize<List<StudentGuardian>>();
                            }
                            //要檢查座號使否已被使用
                            var existNo = await StudentService.checkStudNo(_azureCosmos, _dingDing, _option, schoolId.GetString(), classId, new List<string>() { id });
                            if (existNo.Count != 0) return this.Ok(new { code = $"Base-{schoolId.GetString()}", existNo = existNo.Select(o => o.id).ToList() });
                            if (currStud.TryGetProperty("periodId", out var tempPeriodId)) periodId = tempPeriodId.GetString();
                            //建立學生
                            studCreateInfo studCreateInfo = new studCreateInfo(id, name,  gender, year, pw, classId, no, periodId,imei,guardians);
                            var isCreateSuc = await createStudent(_azureCosmos, _dingDing, _option, schoolId.GetString(), studCreateInfo);

                            if (isCreateSuc)
                            {
                                if (dictChange.ContainsKey(classId))
                                {
                                    dictChange[classId].stujoin.Add(
                                        new Member
                                        {
                                            id = id,
                                            code = $"{schoolId.GetString()}",
                                            type = 2,
                                        });
                                }
                                else
                                {
                                    GroupChange change = new GroupChange
                                    {
                                        scope = "school",
                                        school = schoolId.GetString(),
                                        type = "student",
                                        originCode = schoolId.GetString(),
                                        listid = classId,
                                        stujoin = new List<Member>
                                        {
                                            new Member
                                            {
                                                id= id,
                                                code=schoolId.GetString(),
                                                type=2,
                                            }
                                        }
                                    };
                                    dictChange.Add(classId, change);
                                }
                                foreach (var changed in dictChange.Keys)
                                {
                                    var change = dictChange[changed];
                                    if (change.stujoin.Count != 0 || change.stuleave.Count != 0)
                                    {
                                        var messageChange = new ServiceBusMessage(change.ToJsonString());
                                        messageChange.ApplicationProperties.Add("name", "GroupChange");
                                        var ActiveTask = _configuration.GetValue<string>("Azure:ServiceBus:ActiveTask");
                                        await _serviceBus.GetServiceBusClient().SendMessageAsync(ActiveTask, messageChange);
                                    }
                                }
                                return this.Ok(new { code = $"Base-{schoolId.GetString()}", id, name, year, classId, no, periodId });
                            }
                            else return this.Ok(new { code = $"Base-{schoolId.GetString()}", errorId = id });
                        }

                        break;
                    case "import":
                        //只有ClassNo可以比對
                        webStudents = request.GetProperty("students").ToObject<List<Student>>();
                        preStudents = await StudentService.GeStudentData(_azureCosmos, schoolId.GetString(), webStudents?.Select(x => x.id));
                        var retUpsert = await StudentService.upsertStudents(_azureCosmos, _dingDing, _option, schoolId.GetString(), request.GetProperty("students").EnumerateArray());
                        await CheckStudent(_serviceBus, _configuration, _azureCosmos, schoolId.GetString(), webStudents, preStudents);
                        School school_base = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<School>($"{schoolId}", new PartitionKey("Base"));
                        //实时处理导入毕业的班级。
                        await SchoolService.DoGraduateClasses(_httpTrigger, _azureCosmos, null, school_base, _option,_dingDing);
                        return this.Ok(new { code = $"Base-{schoolId.GetString()}", students = retUpsert.studs, retUpsert.classDuplNos, retUpsert.errorIds });
                    case "read":
                        //增加毕业查询。当毕业查询字段1时，则需要传入入学年份。
                        int graduate = 0;
                        int inyear = 0;
                        //讀取該間學校所有的學生資訊
                        if (request.TryGetProperty("graduate", out JsonElement _graduate) && $"{_graduate}".Equals("1")) {
                            if (request.TryGetProperty("year", out JsonElement _year) && _year.ValueKind.Equals(JsonValueKind.Number))
                            {
                                if (int.TryParse($"{_year}", out inyear) && inyear > 0)
                                {
                                    graduate = 1;
                                }
                                else {
                                    return BadRequest("入学年份大于0");
                                }
                            }
                            else {
                                return BadRequest("请输入毕业学生的入学年份");
                            }
                        }
                      
                        var students = await StudentService.getAllStudent(_azureCosmos, _dingDing, _option, schoolId.GetString(), inyear, graduate);
                        return this.Ok(new { code = $"Base-{schoolId.GetString()}", students });
                    case "update":
                        //更新學生資料，批量密碼重置，基本資訊更新(姓名、教室ID、性別、學年及座號)
                        webStudents = request.GetProperty("students").ToObject<List<Student>>();
                        //var cleanImei  = false;
                        // request.TryGetProperty("cleanImei",out JsonElement _cleanImei);
                        //if (_cleanImei.ValueKind.Equals(JsonValueKind.True))
                        //{
                        //    cleanImei = true;
                        //}
                        
                        preStudents = await StudentService.GeStudentData(_azureCosmos, schoolId.GetString(), webStudents?.Select(x => x.id));
                        var retUpdate = await StudentService.updateStudents(_azureCosmos, _dingDing, _option, schoolId.GetString(), request.GetProperty("students").EnumerateArray());
                        await StudentService.CheckStudent(_serviceBus, _configuration, _azureCosmos, schoolId.GetString(), webStudents, preStudents);
                        return this.Ok(new { code = $"Base-{schoolId.GetString()}", students = retUpdate.studs, retUpdate.classDuplNos, retUpdate.nonexistentIds, retUpdate.errorNos, retUpdate.errorClassId });
                    case "delete":
                        //刪除學生資料及從教室學生名單內移除該學生
                        webStudents = request.GetProperty("students").ToObject<List<Student>>();
                        preStudents = await StudentService.GeStudentData(_azureCosmos, schoolId.GetString(), webStudents?.Select(x => x.id));
                        var sucDelIds = await StudentService.deleteStudents(_azureCosmos, _dingDing, _option, schoolId.GetString(), request.GetProperty("students").EnumerateArray());
                        await StudentService.CheckStudent(_serviceBus, _configuration, _azureCosmos, schoolId.GetString(), webStudents, preStudents);
                        return this.Ok(new { code = $"Base-{schoolId.GetString()}", ids = sucDelIds });
                    case "remove":
                        //將學生基本資料內的classId、no、groupId及groupName寫入null
                        List<string> stus = request.GetProperty("students").ToObject<List<string>>();
                        webStudents = new List<Student>();
                        foreach (string idstu in stus)
                        {
                            webStudents.Add(new Student { id = idstu, code = $"Base-{schoolId}" });
                        }
                        preStudents = await StudentService.GeStudentData(_azureCosmos, schoolId.GetString(), webStudents?.Select(x => x.id));
                        (List<string> studs, List<string> nonexistentIds, List<string> errorIds) retRemove = await StudentService.removeStudentClassInfo(
                             _azureCosmos, _dingDing, _option,
                            schoolId.GetString(), request.GetProperty("students").EnumerateArray());
                        await StudentService.CheckStudent(_serviceBus, _configuration, _azureCosmos, schoolId.GetString(), webStudents, preStudents);
                        return Ok(new { code = $"Base-{schoolId.GetString()}", ids = retRemove.studs, retRemove.nonexistentIds, retRemove.errorIds });
                    case "avatar":
                        if (request.TryGetProperty("avatar", out JsonElement _avatar) && _avatar.ValueKind.Equals(JsonValueKind.Array))
                        {
                            List<StudentInfo> avatars = _avatar.ToObject<List<StudentInfo>>();
                            if (avatars.IsNotEmpty())
                            {
                                List<Student> studentsp = new List<Student>();
                                string insql = string.Join(',', avatars.Select(x => $"'{x.studentId}'"));
                                string sql = $"select value(c) from  c where c.id in ({insql}) ";
                                await foreach (var item in _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "Student")
                                    .GetItemQueryIterator<Student>(sql, requestOptions: new QueryRequestOptions { PartitionKey = new PartitionKey($"Base-{schoolId}") }))
                                {
                                    studentsp.Add(item);
                                }
                                (string url, string sas) = _azureStorage.GetBlobContainerSAS99Year($"{schoolId}", BlobContainerSasPermissions.Read);
                                foreach (Student student in studentsp)
                                {
                                    StudentInfo avatar = avatars.Find(x => x.studentId.Equals(student.id));
                                    student.picture = avatar != null ? $"{avatar.picture}?{sas}" : null;
                                    await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "Student").ReplaceItemAsync<Student>(student, student.id, new PartitionKey(student.code));
                                }
                                return Ok(new { students = studentsp.Select(x => new { x.id, x.picture, x.code, x.name }) });
                            }
                            else
                            {
                                return BadRequest();
                            }
                        }
                        else
                        {
                            return BadRequest();
                        }
                    case "update-self-info":
                        if (request.TryGetProperty("studentInfo", out JsonElement _studentInfo))
                        {
                            var studentInfo = _studentInfo.ToObject<StudentInfo>();

                            if (studentInfo.studentId.Equals(stuid) && school.Equals($"{schoolId}"))
                            {
                                Student student = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "Student")
                                .ReadItemAsync<Student>(studentInfo.studentId, new PartitionKey($"Base-{schoolId}"));
                                student.mail = string.IsNullOrEmpty(studentInfo.mail) ? student.mail : studentInfo.mail;
                                student.mobile = string.IsNullOrEmpty(studentInfo.mobile) ? student.mobile : studentInfo.mobile;
                                student.name = string.IsNullOrEmpty(studentInfo.name) ? student.name : studentInfo.name;
                                (string url, string sas) = _azureStorage.GetBlobContainerSAS99Year($"{schoolId}", BlobContainerSasPermissions.Read);
                                student.picture = string.IsNullOrEmpty(studentInfo.picture) ? student.picture : $"{studentInfo.picture}?{sas}";
                                student.gender = string.IsNullOrEmpty(studentInfo.gender) ? student.gender : studentInfo.gender;
                                await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "Student")
                                    .ReplaceItemAsync<Student>(student, studentInfo.studentId, new PartitionKey($"Base-{schoolId}"));
                                return Ok(new { studentInfo });
                            }
                            else
                            {
                                return Ok(new { error = false, status = false, msg = "修改的不是自己的信息" });
                            }

                        }
                        else
                        {
                            return BadRequest();
                        }
                    case "update-self-password":
                        if (request.TryGetProperty("newpwd", out JsonElement _newpwd) &&
                            request.TryGetProperty("oldpwd", out JsonElement _oldpwd) &&
                            request.TryGetProperty("studentId", out JsonElement _studentId))
                        {
                            if ($"{_studentId}".Equals(stuid) && school.Equals($"{schoolId}"))
                            {
                                try
                                {
                                    Student student = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "Student")
                                   .ReadItemAsync<Student>($"{_studentId}", new PartitionKey($"Base-{schoolId}"));
                                    var HashedPW = Utils.HashedPassword($"{_oldpwd}", student.salt);
                                    if (HashedPW.Equals(student.pw))
                                    {
                                        student.pw = Utils.HashedPassword($"{_newpwd}", student.salt);
                                        await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "Student")
                                      .ReplaceItemAsync<Student>(student, student.id, new PartitionKey($"Base-{schoolId}"));
                                        return Ok(new { status = true });
                                    }
                                    else
                                    {
                                        return Ok(new { error = false, status = false, msg = "密码不一致" });
                                    }
                                }
                                catch (Exception ex)
                                {
                                    await _dingDing.SendBotMsg($"IES5，{_option.Location}，StudentController/StudentManage()\n{ex.Message}\n{ex.StackTrace}\n{request.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                                    return Ok(new { error = false, status = false, msg = "账号不存在" });
                                }

                            }
                            else
                            {
                                return Ok(new { error = false, status = false, msg = "修改的不是自己的密码" });
                            }
                        }
                        else
                        {
                            return BadRequest();
                        }
                    case "read-self-info":
                        if (request.TryGetProperty("studentId", out JsonElement __studentId))
                        {
                            try
                            {
                                Student student = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, "Student")
                                    .ReadItemAsync<Student>($"{__studentId}", new PartitionKey($"Base-{schoolId}"));
                                return Ok(new { student.mail, student.mobile, student.name, student.picture, student.gender, student.id, student.schoolId, student.year, student.no, student.classId, student.periodId, irs = student.irs });

                            }
                            catch (Exception ex)
                            {
                                await _dingDing.SendBotMsg($"IES5，{_option.Location}，StudentController/StudentManage()\n{ex.Message}\n{ex.StackTrace}\n{request.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                            }
                            return Ok();
                        }
                        else
                        {
                            return BadRequest();
                        }
                    default:
                        return BadRequest();
                }
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，StudentController/StudentManage()\n{ex.Message}\n{ex.StackTrace}\n{request.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
            }
            return BadRequest();
        }
        [HttpPost("get-student-info")]
 

#if !DEBUG
        [Authorize(Roles = "IES")]
 #endif
        public async Task<IActionResult> GetStudentInfo(JsonElement request)
        {
            var client = _azureCosmos.GetCosmosClient();
            var schoolClient = client.GetContainer(Constant.TEAMModelOS, "School");
            var teacherClient = client.GetContainer(Constant.TEAMModelOS, "Teacher");
            var studentClient = client.GetContainer(Constant.TEAMModelOS, "Student");
            if (!request.TryGetProperty("id_token", out JsonElement id_token)) return BadRequest();
            var jwt = new JwtSecurityToken(id_token.GetString());
            var id = jwt.Payload.Sub;
            string school_code = jwt.Payload.Azp;
            //權限token
            jwt.Payload.TryGetValue("name", out object _name);
            jwt.Payload.TryGetValue("picture", out object _picture);
            jwt.Payload.TryGetValue("lang", out object _lang);
            (string ip, string region) = await LoginService.LoginIp(HttpContext, _searcher);
            School school = await schoolClient.ReadItemAsync<School>($"{school_code}", new PartitionKey("Base"));
            var response = await studentClient.ReadItemStreamAsync(id, new PartitionKey($"Base-{school_code.ToLower()}"));
            if (response.Status == 200)
            {
                var rjson = await JsonDocument.ParseAsync(response.ContentStream);
                Student student = rjson.ToObject<Student>();
                rjson.RootElement.TryGetProperty("salt", out JsonElement salt);
                rjson.RootElement.TryGetProperty("pw", out JsonElement dbpw);
                rjson.RootElement.TryGetProperty("name", out JsonElement name);
                rjson.RootElement.TryGetProperty("picture", out JsonElement picture);
                rjson.RootElement.TryGetProperty("classId", out JsonElement classId);
                rjson.RootElement.TryGetProperty("no", out JsonElement no);
                rjson.RootElement.TryGetProperty("groupId", out JsonElement groupId);
                rjson.RootElement.TryGetProperty("groupName", out JsonElement groupName);

                (string auth_token, string blob_uri, string blob_sas, object classinfo, List<object> courses, AuthenticationResult token) = await StudentCheck(school,$"{id}", $"{classId}", $"{school_code}", $"{picture}", $"{name}", schoolClient, teacherClient, school.areaId, ip, client, student);
                //授权规模数量
                DateTimeOffset dateTime = DateTimeOffset.UtcNow;
                var dateDay = dateTime.ToString("yyyyMMdd"); //获取当天的日期
                string key = $"Login:School:{school_code}:student-day:{dateDay}";
                SortedSetEntry[] countStudent = _azureRedis.GetRedisClient(8).SortedSetRangeByScoreWithScores(key);
                int countAuthorized = 0;
                if (countStudent != null && countStudent.Length > 0)
                {
                    countAuthorized = countStudent.Length;
                }
                int scale = school.scale;
                if (scale<=0)
                {
                    string sql = $" SELECT value s  FROM c join s in  c.service  where c.id='{school_code}'  and s.prodCode='3CLYJ6NP' ";
                    var result = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School).GetList<SchoolProductSumDataService>(sql, "ProductSum");
                    if (result.list.IsNotEmpty())
                    {
                        SchoolProductSumDataService service = result.list[0];
                        if (service.avaliable>0)
                        {
                            scale= service.avaliable;
                        }
                    }
                }
               
                return Ok(new { scale, countAuthorized, location = _option.Location, error = 0, auth_token, blob_uri, blob_sas, classinfo, courses, token = new { access_token = token.AccessToken, expires_in = token.ExpiresOn, id_token = auth_token, token_type = token.TokenType } });
            }
            else
            {
                return Ok(new { error = 2, message = "無此帳號存在" });
            }
        }


        /// <summary>
        /// 學生登入
        /// </summary>
        /// <param name = "request" ></ param >
        [AllowAnonymous]
        [HttpPost("login")]
        public async Task<IActionResult> Login(JsonElement request)
        {
            try
            {
                var client = _azureCosmos.GetCosmosClient();
                var schoolClient = client.GetContainer(Constant.TEAMModelOS, "School");
                var teacherClient = client.GetContainer(Constant.TEAMModelOS, "Teacher");
                var studentClient = client.GetContainer(Constant.TEAMModelOS, "Student");
                //參數取得
                if (!request.TryGetProperty("school_code", out JsonElement school_code)) return BadRequest();
                if (!request.TryGetProperty("id", out JsonElement id)) return BadRequest();
                if (!request.TryGetProperty("pw", out JsonElement pw)) return BadRequest();
                (string ip, string region) = await LoginService.LoginIp(HttpContext, _searcher);
                School school = await schoolClient.ReadItemAsync<School>($"{school_code}", new PartitionKey("Base"));
                var response = await studentClient.ReadItemStreamAsync(id.GetString(), new PartitionKey($"Base-{school_code.GetString().ToLower()}"));
                if (response.Status == 200)
                {
                    var rjson = await JsonDocument.ParseAsync(response.ContentStream);
                    Student student = rjson.ToObject<Student>();
                    rjson.RootElement.TryGetProperty("salt", out JsonElement salt);
                    rjson.RootElement.TryGetProperty("pw", out JsonElement dbpw);
                    rjson.RootElement.TryGetProperty("name", out JsonElement name);
                    rjson.RootElement.TryGetProperty("picture", out JsonElement picture);
                    rjson.RootElement.TryGetProperty("classId", out JsonElement classId);
                    rjson.RootElement.TryGetProperty("no", out JsonElement no);
                    rjson.RootElement.TryGetProperty("groupId", out JsonElement groupId);
                    rjson.RootElement.TryGetProperty("groupName", out JsonElement groupName);
                    rjson.RootElement.TryGetProperty("graduate", out JsonElement graduate);
                    if (graduate.ValueKind.Equals(JsonValueKind.Number) && $"{graduate}".Equals("1")) {
                        return Ok(new { error = 3, message = "你已毕业，暂不能登录！" });
                    }
                    var HashedPW = Utils.HashedPassword(pw.ToString(), salt.ToString());
                    if (HashedPW.Equals(dbpw.GetString()))
                    {
                        (string auth_token, string blob_uri, string blob_sas, object classinfo, List<object> courses, AuthenticationResult token) = await StudentCheck(school,$"{id}", $"{classId}", $"{school_code}", $"{picture}", $"{name}", schoolClient, teacherClient,  school.areaId,ip, client, student);
                        int countAuthorized = await GetStudentAuthNumByScale($"{school_code}", school);
                        return Ok(new {school.scale, countAuthorized, location = _option.Location, error = 0, auth_token, blob_uri, blob_sas, classinfo, courses, token = new { access_token = token.AccessToken, expires_in = token.ExpiresOn, id_token = auth_token, token_type = token.TokenType } });
                    }
                    else
                    {
                        return Ok(new { error = 1, message = "账号或密码错误" });
                    }
                }
                else
                {
                    return Ok(new { error = 2, message = "無此帳號存在" });
                }
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，StudentController/login()\n{ex.Message}\n{ex.StackTrace}", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }
        private async Task<(string auth_token, string blob_uri, string blob_sas, object classinfo, List<object> courses, AuthenticationResult token)> StudentCheck(School schoolBase,string id, string classId, string school_code, string picture, string name, CosmosContainer schoolClient, CosmosContainer teacherClient, string areaId,string ip,CosmosClient cosmosClient,Student student)
        {
            //班級課程
            object classinfo = null;
            List<object> courses = new List<object>();
            ////校本
            //取得所屬預設班級信息
            if (!string.IsNullOrWhiteSpace(classId))
            {
                var query = $"SELECT c.code, c.id, c.name, c.periodId, c.gradeId FROM c WHERE c.id = '{classId}'";
                await foreach (var item in schoolClient.GetItemQueryStreamIterator(queryText: query, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Class-{school_code}") }))
                {
                    using var json = await JsonDocument.ParseAsync(item.ContentStream);
                    if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                    {
                        foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                        {
                            classinfo = obj.ToObject<object>();
                        }
                    }
                }
            }
            //取得該學生跑班課名單ID
            List<string> stulistidsSch = new List<string>();
            var querysl = $"SELECT c.id FROM c JOIN members IN c.members WHERE members.id = '{id}' AND members.code = '{school_code}'";
            await foreach (var item in schoolClient.GetItemQueryStreamIterator(queryText: querysl, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"GroupList-{school_code}") }))
            {
                using var json = await JsonDocument.ParseAsync(item.ContentStream);
                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                {
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        stulistidsSch.Add(obj.GetProperty("id").ToString());
                    }
                }
            }
            //取得該學生的學校課程名單
            var queryc = $"SELECT DISTINCT c.id, c.name, schedule.class, schedule.time, schedule.notice, c.scope FROM c JOIN schedule IN c.schedule WHERE (schedule.class.id = '{classId}' AND schedule.stulist = null) OR (ARRAY_CONTAINS({JsonSerializer.Serialize(stulistidsSch)}, schedule.stulist, true))";
            await foreach (var item in schoolClient.GetItemQueryStreamIterator(queryText: queryc, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Course-{school_code}") }))
            {
                using var json = await JsonDocument.ParseAsync(item.ContentStream);
                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                {
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        courses.Add(obj.ToObject<object>());
                    }
                }
            }
            ////個人
            //取得該學生跑班課名單ID
            Dictionary<string, Dictionary<string, string>> stulistidsTea = new Dictionary<string, Dictionary<string, string>>();
            var queryslt = $"SELECT c.id, c.course.id as courseId, c.course.code as courseCode FROM c JOIN members IN c.members WHERE members.id = '{id}' AND members.code = '{school_code}'";
            await foreach (var item in teacherClient.GetItemQueryStreamIterator(queryText: queryslt, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey("GroupList") }))
            {
                using var json = await JsonDocument.ParseAsync(item.ContentStream);
                var js = json.RootElement.ToJsonString();
                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                {
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        string courseCode = "";
                        if (obj.TryGetProperty("courseCode", out var code))
                        {
                            courseCode = code.GetString();
                        }
                        string courseId = "";
                        if (obj.TryGetProperty("courseId", out var cosid))
                        {
                            courseId = cosid.GetString();
                        }
                        string stulistId = "";
                        if (obj.TryGetProperty("id", out var listId))
                        {
                            stulistId = listId.GetString();
                        }
                        if (!string.IsNullOrEmpty(courseCode))
                        {
                            if (!stulistidsTea.ContainsKey(courseCode))
                            {
                                Dictionary<string, string> pCourseIdDic = new Dictionary<string, string>();
                                pCourseIdDic.Add(courseId, stulistId);
                                stulistidsTea.Add(courseCode, pCourseIdDic);
                            }
                            else
                            {
                                if (!stulistidsTea[courseCode].ContainsKey(courseId))
                                {
                                    stulistidsTea[courseCode].Add(courseId, stulistId);
                                }
                            }
                        }
                    }
                }
            }
            //取得該學生的老師個人課程名單
            foreach (KeyValuePair<string, Dictionary<string, string>> item in stulistidsTea)
            {
                string courseCode = item.Key;
                Dictionary<string, string> courseIdDic = item.Value;
                string stucourseWhere = string.Empty;
                foreach (KeyValuePair<string, string> itemDic in courseIdDic)
                {
                    string courseId = itemDic.Key;
                    string stuListId = itemDic.Value;
                    if (!string.IsNullOrWhiteSpace(stucourseWhere))
                    {
                        stucourseWhere += " OR ";
                    }
                    stucourseWhere += $"( c.id = '{courseId}' AND schedule.stulist = '{stuListId}' )";
                }
                var querycst = $"SELECT DISTINCT c.id, c.name, schedule.class, schedule.time, schedule.notice, c.scope FROM c JOIN schedule IN c.schedule WHERE {stucourseWhere}";
                await foreach (var itemcs in teacherClient.GetItemQueryStreamIterator(queryText: querycst, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"{courseCode}") }))
                {
                    using var json = await JsonDocument.ParseAsync(itemcs.ContentStream);
                    if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                    {
                        foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                        {
                            courses.Add(obj.ToObject<object>());
                        }
                    }
                }
            }

            // BLOB(學校，唯讀)
            var (blob_uri, blob_sas) = _azureStorage.GetBlobContainerSAS(school_code.ToLower(), BlobContainerSasPermissions.Read);

            //換取AuthToken，提供給前端
            var auth_token = JwtAuthExtension.CreateAuthToken(_option.HostName, id, name, picture, _option.JwtSecretKey, scope: Constant.ScopeStudent, Website: "IES", areaId: areaId, schoolID: school_code, roles: new[] { "student" }, expire: 1,year: student.year);

            //用户在线记录
            try
            {
                _ = _httpTrigger.RequestHttpTrigger(new { school = school_code, scope = $"{Constant.ScopeStudent}", id = $"{id}", ip = $"{ip}", expire = 1 }, _option.Location, "online-record");
            }
            catch {}

            await cosmosClient.GetContainer("TEAMModelOS", "Student").ReplaceItemAsync<Student>(student, id, new PartitionKey($"Base-{school_code}"));
          
            var clientID = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
            var clientSecret = _configuration.GetValue<string>("HaBookAuth:CoreService:clientSecret");
            var token = await CoreTokenExtensions.CreateAccessToken(clientID, clientSecret, _option.Location.Replace("-Dep", "").Replace("-Test", ""));
            return (auth_token, blob_uri, blob_sas, classinfo, courses, token);
        }
        /// <summary>
        /// 學生教育雲登入
        /// </summary>
        /// <param name = "request" ></ param >
        [AllowAnonymous]
        [HttpPost("login-open")]
        public async Task<IActionResult> OpenIDLogin(JsonElement request)
        {
            try
            {
                var client = _azureCosmos.GetCosmosClient();
                var schoolClient = client.GetContainer(Constant.TEAMModelOS, "School");
                var teacherClient = client.GetContainer(Constant.TEAMModelOS, "Teacher");
                var studentClient = client.GetContainer(Constant.TEAMModelOS, "Student");
                //參數取得
                string location = _option.Location;
                if (!request.TryGetProperty("open_code", out JsonElement _open_code)) return BadRequest();
                if (!location.Contains("Global")) return BadRequest();
                string grant_type = "educloudtw";
                string client_id = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
                string redirect_uri = _configuration.GetValue<string>("HaBookAuth:CoreAccountAPI");
                string nonce = RandomString(16);
                string lang = "zh-tw";
                string open_code = _open_code.GetString();
                if(!open_code.Contains("EduCloudTWL")) return BadRequest();
                bool is_extrnal_id = true;
                //向CS取得OpenData
                stuOpenData openData = new stuOpenData();
                string csv2Domain = _configuration.GetValue<string>("HaBookAuth:CoreAPI");
                string csv2Url = $"{csv2Domain}/oauth2/Login";
                Dictionary<string, object> dict = new() { 
                    {   "grant_type", grant_type },
                    {   "client_id", client_id },
                    {   "redirect_uri", $"{redirect_uri}/" },
                    {   "nonce", nonce },
                    {   "lang", lang },
                    {   "open_code", open_code },
                    {   "is_extrnal_id", is_extrnal_id }
                };
                var httpClient = _httpClient.CreateClient();
                HttpContent content = new StringContent(dict.ToJsonString(), Encoding.UTF8, "application/json");
                HttpResponseMessage httpResponse = await httpClient.PostAsync(csv2Url, content);
                if (httpResponse.StatusCode == HttpStatusCode.OK)
                {
                    string responseContent = await httpResponse.Content.ReadAsStringAsync();
                    openData = responseContent.ToObject<stuOpenData>();
                    if (string.IsNullOrWhiteSpace(openData.open_id) || string.IsNullOrWhiteSpace(openData.schoolCode))
                    {
                        return Ok(new { error = 1, message = "Can not get opendata from CS." });
                    }
                }
                else
                {
                    return Ok(new { error = 1, message = "Can not get opendata from CS." });
                }
                //用OpenData取得學生資訊
                Student stuinfo = new Student();
                var queryLogin = $"SELECT * FROM c WHERE c.pk = 'Base' AND IS_DEFINED(c.openId) AND c.openId = '{openData.open_id}'";
                await foreach (var item in studentClient.GetItemQueryStreamIterator(queryText: queryLogin, requestOptions: null))
                {
                    using var json = await JsonDocument.ParseAsync(item.ContentStream);
                    if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16().Equals(1))
                    {
                        foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                        {
                            stuinfo = obj.ToObject<Student>();
                        }
                    }
                }
                (string ip, string region) = await LoginService.LoginIp(HttpContext, _searcher);
                string schShortCode = string.Empty;
                School school = new School();
                //分歧1 有此學生 => Login流程
                if (!string.IsNullOrWhiteSpace(stuinfo.id))
                {
                    if (stuinfo.graduate.Equals(1))
                    {
                        return Ok(new { error = 3, message = "Graduate already!" });
                    }
                    //取得學校資訊
                    schShortCode = stuinfo.schoolId;
                    try
                    {
                        school = await schoolClient.ReadItemAsync<School>($"{schShortCode}", new PartitionKey("Base"));
                    }
                    catch (CosmosException ex)
                    {
                        return Ok(new { error = 2, message = "Can not find school data." });
                    }
                    //Login流程回傳值
                    (string auth_token, string blob_uri, string blob_sas, object classinfo, List<object> courses, AuthenticationResult token) = await StudentCheck(school, $"{stuinfo.id}", $"{stuinfo.classId}", $"{schShortCode}", $"{stuinfo.picture}", $"{stuinfo.name}", schoolClient, teacherClient, school.areaId, ip, client, stuinfo);
                    int countAuthorized = await GetStudentAuthNumByScale($"{school.id}", school);
                    return Ok(new { school.scale, countAuthorized, location = _option.Location, error = 0, auth_token, blob_uri, blob_sas, classinfo, courses, token = new { access_token = token.AccessToken, expires_in = token.ExpiresOn, id_token = auth_token, token_type = token.TokenType } });
                }
                //分歧2 無此學生 => 取得該校同名學生資訊
                else
                {
                    //把OpenData的schoolCode換成學校簡碼
                    string AccessToken = await getCoreAccessToken();
                    httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AccessToken);
                    string csv2SchoolUrl = $"{csv2Domain}/service/SchoolData";
                    Dictionary<string, object> csv2SchDict = new() {
                        {   "code", openData.schoolCode }
                    };
                    HttpContent csv2SchContent = new StringContent(csv2SchDict.ToJsonString(), Encoding.UTF8, "application/json");
                    HttpResponseMessage csv2SchHttpResponse = await httpClient.PostAsync(csv2SchoolUrl, csv2SchContent);
                    if (csv2SchHttpResponse.StatusCode == HttpStatusCode.OK)
                    {
                        string responseContent = await csv2SchHttpResponse.Content.ReadAsStringAsync();
                        if (!string.IsNullOrWhiteSpace(responseContent))
                        {
                            List<csSchApiResponse> csSchResult = responseContent.ToObject<List<csSchApiResponse>>();
                            if (!csSchResult.Count.Equals(1))
                            {
                                return Ok(new { error = 2, message = "Can not find school data." });
                            }
                            foreach (csSchApiResponse csv2Sch in csSchResult)
                            {
                                schShortCode = csv2Sch.code;
                            }
                        }
                    }
                    else
                    {
                        return Ok(new { error = 2, message = "Can not find school data." });
                    }
                    if (string.IsNullOrWhiteSpace(schShortCode))
                    {
                        return Ok(new { error = 2, message = "Can not find school data." });
                    }
                    //用OpenData取得學校資訊
                    try
                    {
                        school = await schoolClient.ReadItemAsync<School>($"{schShortCode}", new PartitionKey("Base"));
                    }
                    catch (CosmosException ex)
                    {
                        return Ok(new { error = 2, message = "Can not find school data." });
                    }
                    //學段
                    Dictionary<string, string> periodDic = new Dictionary<string, string>();
                    foreach(Period stuSchoolPeriod in school.period)
                    {
                        periodDic.Add(stuSchoolPeriod.id, stuSchoolPeriod.name);
                    }
                    //取得同名學生
                    HashSet<string> classIds = new HashSet<string>();
                    List<Student> stuList = new List<Student>();
                    var queryStuSame = $"SELECT * FROM c WHERE c.name = '{openData.open_name}'";
                    await foreach (var item in studentClient.GetItemQueryStreamIterator(queryText: queryStuSame, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Base-{schShortCode}") }))
                    {
                        using var json = await JsonDocument.ParseAsync(item.ContentStream);
                        if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                        {
                            foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                            {
                                Student stuRow = obj.ToObject<Student>();
                                stuList.Add(stuRow);
                                if(!string.IsNullOrWhiteSpace(stuRow.classId))
                                {
                                    classIds.Add(stuRow.classId);
                                }
                            }
                        }
                    }
                    if(stuList.Count.Equals(0))
                    {
                        return Ok(new { error = 4, message = "Can not find any student." });
                    }
                    if (classIds.Count.Equals(0))
                    {
                        return Ok(new { error = 6, message = "Can not find any class." });
                    }
                    //取得學校班級
                    Dictionary<string, string> classDic = new Dictionary<string, string>();
                    string classIdJsonStr = JsonSerializer.Serialize(classIds);
                    var query = $"SELECT c.code, c.id, c.name, c.periodId, c.gradeId FROM c WHERE ARRAY_CONTAINS({classIdJsonStr}, c.id)";
                    await foreach (var item in schoolClient.GetItemQueryStreamIterator(queryText: query, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Class-{schShortCode}") }))
                    {
                        using var json = await JsonDocument.ParseAsync(item.ContentStream);
                        if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                        {
                            foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                            {
                                Class classinfo = obj.ToObject<Class>();
                                classDic.Add(classinfo.id, classinfo.name);
                            }
                        }
                    }
                    if (classDic.Count.Equals(0))
                    {
                        return Ok(new { error = 6, message = "Can not find any class." });
                    }
                    //OpenID AES加密
                    string aeskey = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
                    string aesiv = _configuration.GetValue<string>("HaBookAuth:CoreService:clientSecret");
                    openToken openToken = new openToken() { openId = openData.open_id, shortCode = schShortCode };
                    string encOpenToken = LoginService.AesEncrypt(JsonSerializer.Serialize(openToken), aeskey, aesiv);
                    //回傳值
                    var schResult = new { schoolId = school.id, schoolName = school.name };
                    List<stuOpenDataOrientation> stuResult = new List<stuOpenDataOrientation>();
                    foreach (Student studata in stuList)
                    {
                        stuOpenDataOrientation stuResultRow = new stuOpenDataOrientation();
                        stuResultRow.id = studata.id;
                        stuResultRow.name = studata.name;
                        stuResultRow.classId = studata.classId;
                        stuResultRow.className = (!string.IsNullOrWhiteSpace(studata.classId) && classDic.ContainsKey(studata.classId)) ? classDic[studata.classId] : string.Empty;
                        stuResultRow.periodId = studata.periodId;
                        stuResultRow.periodName = (!string.IsNullOrWhiteSpace(studata.periodId) && periodDic.ContainsKey(studata.periodId)) ? periodDic[studata.periodId] : string.Empty;
                        stuResultRow.year = studata.year;
                        stuResultRow.no = studata.no;
                        Period curPeriod = new Period();
                        if (!string.IsNullOrWhiteSpace(studata.periodId))
                        {
                            curPeriod = school.period.Where(p => p.id.Equals(studata.periodId)).FirstOrDefault();
                        }
                        ExamSimple gradeInfo = new ExamSimple();
                        if (!string.IsNullOrWhiteSpace(curPeriod.id))
                        {
                            gradeInfo = getGradeInfoByYear(studata.year, curPeriod);
                        }
                        stuResultRow.gradeIndex = (!string.IsNullOrWhiteSpace(gradeInfo.id)) ? gradeInfo.id : string.Empty;
                        stuResultRow.gradeName = (!string.IsNullOrWhiteSpace(gradeInfo.name)) ? gradeInfo.name : string.Empty;
                        stuResult.Add(stuResultRow);
                    }
                    //回傳值
                    return Ok(new { openToken = encOpenToken, school = schResult, students = stuResult } );
                }
            }
            catch (Exception ex)
            {
                //await _dingDing.SendBotMsg($"OS，{_option.Location}，student/openlogin()\n{ex.Message}\n{ex.StackTrace}\n", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }

        /// <summary>
        /// 學生追加教育雲ID
        /// </summary>
        /// <param name = "request" ></ param >
        [AllowAnonymous]
        [HttpPost("add-open-stu")]
        public async Task<IActionResult> addOpenidToStudent(JsonElement request)
        {
            try
            {
                //參數取得
                string location = _option.Location;
                string openToken = (request.TryGetProperty("open_token", out JsonElement _open_token)) ? _open_token.GetString() : string.Empty;
                if(string.IsNullOrWhiteSpace(openToken)) return BadRequest();
                if (!location.Contains("Global")) return BadRequest();
                //string schoolCode = (request.TryGetProperty("school_code", out JsonElement _school_code)) ? _school_code.GetString() : string.Empty;
                //if (string.IsNullOrWhiteSpace(schoolCode)) return BadRequest();
                string stuid = (request.TryGetProperty("stuid", out JsonElement _stuid)) ? _stuid.GetString() : string.Empty;
                if (string.IsNullOrWhiteSpace(stuid)) return BadRequest();
                //OpenID AES解密
                string aeskey = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
                string aesiv = _configuration.GetValue<string>("HaBookAuth:CoreService:clientSecret");
                string openTokenString = LoginService.AesDecrypt(openToken, aeskey, aesiv);
                if(string.IsNullOrWhiteSpace(openTokenString)) return BadRequest();
                openToken decOpenToken = openTokenString.ToObject<openToken>();
                if(string.IsNullOrWhiteSpace(decOpenToken.openId) || string.IsNullOrWhiteSpace(decOpenToken.shortCode)) return BadRequest();
                string schoolCode = decOpenToken.shortCode;
                string openId = decOpenToken.openId;

                var client = _azureCosmos.GetCosmosClient();
                var schoolClient = client.GetContainer(Constant.TEAMModelOS, "School");
                var teacherClient = client.GetContainer(Constant.TEAMModelOS, "Teacher");
                var studentClient = client.GetContainer(Constant.TEAMModelOS, "Student");
                //取得學校基本資料
                School school = new School();
                try
                {
                    school = await schoolClient.ReadItemAsync<School>($"{schoolCode}", new PartitionKey("Base"));
                }
                catch (CosmosException ex)
                {
                    return Ok(new { error = 1, message = "Can not find school data." });
                }
                //取得學生基本資料
                Student student = new Student();
                try
                {
                    student = await studentClient.ReadItemAsync<Student>($"{stuid}", new PartitionKey($"Base-{schoolCode}"));
                }
                catch (CosmosException ex)
                {
                    return Ok(new { error = 2, message = "Can not find student data." });
                }
                if (student.graduate.Equals(1))
                {
                    return Ok(new { error = 3, message = "Graduate already!" });
                }
                //1.向CS詢問是否已綁定
                stuOpenData openData = new stuOpenData();
                var httpClient = _httpClient.CreateClient();
                string AccessToken = await getCoreAccessToken();
                httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AccessToken);
                string grant_type = "bind";
                string csv2Domain = _configuration.GetValue<string>("HaBookAuth:CoreAPI");
                string csv2Url = $"{csv2Domain}/oauth2/EduCloudTWBingManage";
                Dictionary<string, object> dict = new() {
                        {   "grant_type", grant_type },
                        {   "open_id", openId },
                        {   "id", $"Base-{school.id},{student.id}" }
                };
                HttpContent content = new StringContent(dict.ToJsonString(), Encoding.UTF8, "application/json");
                HttpResponseMessage httpResponse = await httpClient.PostAsync(csv2Url, content);
                if (httpResponse.StatusCode == HttpStatusCode.OK)
                {
                    string responseContent = await httpResponse.Content.ReadAsStringAsync();
                    if(!string.IsNullOrWhiteSpace(responseContent))
                    {
                        csApiResponse csResult = responseContent.ToObject<csApiResponse>();
                        if(csResult.error.Equals(2))
                        {
                            return Ok(new { error = 5, message = "This id already exist." });
                        }
                    }
                }
                else
                {
                    return Ok(new { error = 1, message = "Can not get opendata from CS." });
                }
                //2.將OpenID放入學生Base
                student.openId = openId;
                //await studentClient.ReplaceItemAsync(student, student.id);
                //3.學生登入流程(包含學生資料更新)
                (string ip, string region) = await LoginService.LoginIp(HttpContext, _searcher);
                (string auth_token, string blob_uri, string blob_sas, object classinfo, List<object> courses, AuthenticationResult token) = await StudentCheck(school, $"{student.id}", $"{student.classId}", $"{schoolCode}", $"{student.picture}", $"{student.name}", schoolClient, teacherClient, school.areaId, ip, client, student);
                int countAuthorized = await GetStudentAuthNumByScale($"{schoolCode}", school);
                return Ok(new { school.scale, countAuthorized, location = _option.Location, error = 0, auth_token, blob_uri, blob_sas, classinfo, courses, token = new { access_token = token.AccessToken, expires_in = token.ExpiresOn, id_token = auth_token, token_type = token.TokenType } });
            }
            catch (Exception ex)
            {
                //await _dingDing.SendBotMsg($"OS，{_option.Location}，student/addOpenidToStudent()\n{ex.Message}\n{ex.StackTrace}\n", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }

        /// <summary>
        /// 學生解綁教育雲ID
        /// </summary>
        /// <param name = "request" ></ param >
        [AllowAnonymous]
        [HttpPost("rmv-open-stu")]
        public async Task<IActionResult> rmvOpenidToStudent(JsonElement request)
        {
            if (!request.TryGetProperty("school_code", out JsonElement _school_code)) return BadRequest();
            string schoolCode = _school_code.GetString();
            if(string.IsNullOrWhiteSpace(schoolCode)) return BadRequest();
            if (!request.TryGetProperty("stuid", out JsonElement _stuid)) return BadRequest();
            string stuId = _stuid.GetString();
            if(string.IsNullOrWhiteSpace(stuId)) return BadRequest();
            string openType = (request.TryGetProperty("type", out JsonElement _type)) ? _type.GetString().ToLower() : "educloudtwl"; //educloudtwl: 教育雲

            var client = _azureCosmos.GetCosmosClient();
            var studentClient = client.GetContainer(Constant.TEAMModelOS, "Student");
            //取得學生基本資料
            Student student = new Student();
            try
            {
                student = await studentClient.ReadItemAsync<Student>($"{stuId}", new PartitionKey($"Base-{schoolCode}"));
            }
            catch (CosmosException ex)
            {
                return Ok(new { error = 2, message = "Can not find student data." });
            }
            //CSV解綁
            bool rmvSuccess = false;
            if (openType.Equals("educloudtwl")) //教育雲
            {
                string openId = student.openId;
                if(string.IsNullOrWhiteSpace(openId)) //學生無OpenID，視為解綁成功
                {
                    return Ok(new { error = 0, message = string.Empty });
                }
                stuOpenData openData = new stuOpenData();
                var httpClient = _httpClient.CreateClient();
                string AccessToken = await getCoreAccessToken();
                httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AccessToken);
                string csv2Domain = _configuration.GetValue<string>("HaBookAuth:CoreAPI");
                string csv2Url = $"{csv2Domain}/oauth2/EduCloudTWBingManage";
                Dictionary<string, object> dict = new() {
                    {   "grant_type", "unbind" },
                    {   "open_id", openId },
                    {   "id", $"Base-{schoolCode},{student.id}" }
                };
                HttpContent content = new StringContent(dict.ToJsonString(), Encoding.UTF8, "application/json");
                HttpResponseMessage httpResponse = await httpClient.PostAsync(csv2Url, content);
                if (httpResponse.StatusCode == HttpStatusCode.OK)
                {
                    string responseContent = await httpResponse.Content.ReadAsStringAsync();
                    if (string.IsNullOrWhiteSpace(responseContent))
                    {
                        rmvSuccess = true;
                    }
                    else
                    {
                        csApiResponse csResult = responseContent.ToObject<csApiResponse>();
                        if (!string.IsNullOrWhiteSpace(csResult.message))
                        {
                            return Ok(new { error = csResult.error, message = csResult.message });
                        }
                    }
                }
                else
                {
                    return Ok(new { error = 1, message = "Can not get opendata from CS." });
                }
            }
            //學生資料變更
            if(rmvSuccess)
            {
                if (openType.Equals("educloudtwl")) //教育雲
                {
                    student.openId = null;
                }
                //DB更新
                await studentClient.ReplaceItemAsync(student, student.id);
                return Ok(new { error = 0, message = string.Empty });
            }
            return Ok(new { error = 9, message = "Can not unbind student." });
        }

        //查询学生名单详情
        [ProducesDefaultResponseType]
        //[AuthToken(Roles = "teacher")]
        [HttpPost("get-summary-student")]
        [AuthToken(Roles = "teacher,admin,student")]

#if !DEBUG
        [Authorize(Roles = "IES")]
#endif
        public async Task<IActionResult> getSummary(JsonElement request)
        {
            try
            {
                request.TryGetProperty("students", out JsonElement students);
                request.TryGetProperty("tmdIds", out JsonElement tmdIds);

                List<TmdInfo> tmdinfos = new List<TmdInfo>();
                List<object> stus = new List<object>();
                var client = _azureCosmos.GetCosmosClient();
                if (students.ValueKind.Equals(JsonValueKind.Array))
                {
                    List<Students> stuList = students.ToObject<List<Students>>();
                    if (stuList.IsNotEmpty())
                    {
                        foreach (Students stu in stuList)
                        {
                            var query = $"select c.id,c.name,c.picture,c.classId,c.code,c.groupId,c.groupName,c.no from c where c.id = '{stu.id}'";
                            await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Student").GetItemQueryStreamIterator(queryText: query, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"{stu.code}") }))
                            {
                                using var json = await JsonDocument.ParseAsync(item.ContentStream);
                                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                                {
                                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                                    {
                                        stus.Add(obj.ToObject<object>());
                                    }
                                }
                            }
                        }
                    }
                }
                if (tmdIds.ValueKind.Equals(JsonValueKind.Array))
                {
                    List<string> tmdids = tmdIds.ToObject<List<string>>();
                    if (tmdids.IsNotEmpty())
                    {
                        List<string> inids = new List<string>();
                        tmdids.ForEach(x => { inids.Add($"'{x}'"); });
                        var insql = string.Join(",", inids);
                        var queryslt = $"SELECT c.id,c.name,c.picture FROM c where c.id in ({insql})";
                        await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Student").GetItemQueryIterator<TmdInfo>(queryText: queryslt, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Base") }))
                        {
                            tmdinfos.Add(item);
                        }
                    }
                }
                return Ok(new { stus, tmdinfos });
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"OS，{_option.Location}，student/get-summary-student()\n{ex.Message}\n{ex.StackTrace}\n", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }

        }

        /// <summary>
        /// 學生簡易登入
        /// </summary>
        /// <param name = "request" ></ param >
        [AllowAnonymous]
        [HttpPost("login-simple")]
        public async Task<IActionResult> LoginSimple(JsonElement request)
        {
            try
            {
                var client = _azureCosmos.GetCosmosClient();
                var schoolClient = client.GetContainer(Constant.TEAMModelOS, "School");
                var studentClient = client.GetContainer(Constant.TEAMModelOS, "Student");
                //參數取得
                if (!request.TryGetProperty("school_code", out JsonElement school_code)) return BadRequest();
                if (!request.TryGetProperty("id", out JsonElement id)) return BadRequest();
                if (!request.TryGetProperty("pw", out JsonElement pw)) return BadRequest();
                (string ip, string region) = await LoginService.LoginIp(HttpContext, _searcher);

                var response = await studentClient.ReadItemStreamAsync(id.GetString(), new PartitionKey($"Base-{school_code.GetString().ToLower()}"));
                if (response.Status == 200)
                {
                    var rjson = await JsonDocument.ParseAsync(response.ContentStream);
                    Student student = rjson.ToObject<Student>();
                    rjson.RootElement.TryGetProperty("salt", out JsonElement salt);
                    rjson.RootElement.TryGetProperty("pw", out JsonElement dbpw);
                    rjson.RootElement.TryGetProperty("name", out JsonElement name);
                    rjson.RootElement.TryGetProperty("picture", out JsonElement picture);
                    rjson.RootElement.TryGetProperty("classId", out JsonElement classId);
                    rjson.RootElement.TryGetProperty("no", out JsonElement no);
                    rjson.RootElement.TryGetProperty("groupId", out JsonElement groupId);
                    rjson.RootElement.TryGetProperty("groupName", out JsonElement groupName);
                    dynamic user = new ExpandoObject();
                    user.no = no;
                    user.groupId = groupId;
                    user.groupName = groupName;

                    var HashedPW = Utils.HashedPassword(pw.ToString(), salt.ToString());
                    if (HashedPW.Equals(dbpw.GetString()))
                    {
                        School schoolInfo = await schoolClient.ReadItemAsync<School>($"{school_code}", new PartitionKey("Base"));
                        //取得所屬預設班級信息
                        object classinfo = null;
                        if (!classId.ValueKind.Equals(JsonValueKind.Null) && classId.ValueKind.Equals(JsonValueKind.String))
                        {
                            var query = $"SELECT c.id, c.no, c.name FROM c WHERE c.id = '{classId.GetString()}'";
                            await foreach (var item in schoolClient.GetItemQueryStreamIterator(queryText: query, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Class-{school_code}") }))
                            {
                                using var json = await JsonDocument.ParseAsync(item.ContentStream);
                                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                                {
                                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                                    {
                                        classinfo = obj.ToObject<object>();
                                    }
                                }
                            }
                        }
                        //換取AuthToken，提供給前端
                        var auth_token = JwtAuthExtension.CreateAuthToken(_option.HostName, id.GetString(), name.GetString(), picture.GetString(), _option.JwtSecretKey, Website: "IES", areaId: schoolInfo.areaId, scope: Constant.ScopeStudent, schoolID: school_code.GetString(), roles: new[] { "student" }, expire: 1);
                        
                        //用户在线记录
                        try
                        {
                            _ = _httpTrigger.RequestHttpTrigger(new { school = school_code.GetString(), scope = $"{Constant.ScopeStudent}", id = $"{id}", ip = $"{ip}", expire = 1 }, _option.Location, "online-record");
                        }
                        catch { }


                        //保存学生登录信息
                        await client.GetContainer("TEAMModelOS", "Student").ReplaceItemAsync<Student>(student, student.id, new PartitionKey($"{student.code}"));

                        //其他訊息
                        dynamic school = new ExpandoObject();
                        //回傳
                        return Ok(new { error = 0, auth_token, classinfo, user });
                    }
                    else
                    {
                        return Ok(new { error = 1, message = "Invalid account or password" });
                    }
                }
                else
                {
                    return Ok(new { error = 2, message = "Invalid account" });
                }
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，StudentController/login-simple()\n{ex.Message}\n{ex.StackTrace}\n", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }
        //TODO 此API需處理對應前端返回的相關數據
        [ProducesDefaultResponseType]
        [AuthToken(Roles = "student,teacher")]
        [HttpPost("get-school-info")]
        public async Task<IActionResult> GetSchoolInfo(JsonElement request)
        {
            try
            {
                var (id, _, _, school) = HttpContext.GetAuthTokenInfo();
                var client = _azureCosmos.GetCosmosClient();
                /// tmdid, schoolid
                var userType = "schoolid";
                if (request.TryGetProperty("userType", out JsonElement usertype))
                {
                    if (!usertype.ValueKind.Equals(JsonValueKind.Undefined) && !usertype.ValueKind.Equals(JsonValueKind.Null) && usertype.ValueKind.Equals(JsonValueKind.String))
                    {
                        userType = usertype.GetString();
                    }
                }
                if (string.IsNullOrEmpty(school))
                {
                    if (userType.Equals("tmdid"))
                    {
                        Teacher teacher = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<Teacher>(id, new PartitionKey("Base"));
                        if (teacher.schools.IsNotEmpty())
                        {
                            var tech = teacher.schools.Find(x => x.status.Equals("join"));
                            if (tech == null)
                            {
                                school = teacher.schools[0].schoolId;
                            }
                            else
                            {
                                school = tech.schoolId;
                            }
                        }
                    }
                }
                if (!string.IsNullOrEmpty(school))
                {
                    object school_base = null;
                    var response = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemStreamAsync(school, new PartitionKey("Base"));
                    if (response.Status == 200)
                    {
                        using var json = await JsonDocument.ParseAsync(response.ContentStream);
                        school_base = json.RootElement.ToObject<object>();
                    }

                    //取得班级
                    List<object> school_classes = new List<object>();
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryStreamIterator(queryText: $"SELECT c.id,c.x,c.y,c.name,c.year,c.teacher,c.periodId,c.gradeId,c.room,c.sn,c.no,c.style,c.status,c.openType,c.scope, ARRAY_LENGTH(c.students) AS studCount FROM c", requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Class-{school}") }))
                    {
                        var jsonc = await JsonDocument.ParseAsync(item.ContentStream);
                        foreach (var classeinfo in jsonc.RootElement.GetProperty("Documents").EnumerateArray())
                        {
                            school_classes.Add(classeinfo.ToObject<object>());
                        }
                    }
                    //取得教室
                    List<Room> school_rooms = new List<Room>();
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<Room>(queryText: $"select value(c) from c ",
                    requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Room-{school}") }))
                    {
                        school_rooms.Add(item);
                    }

                    return Ok(new { school_base, school_classes, school_rooms, status = 200 });
                }
                else
                {
                    return Ok(new { status = 404 }); ;
                }
            }
            catch (CosmosException ex)
            {
                return Ok(new { status = ex.Status }); ;
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，Student/get-school-info()\n{ex.Message}\n{ex.StackTrace}", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }
        /**
         * 根据学年获取年级信息
         * @param year 学年
         * @param Period 学段資料
         */
        private ExamSimple getGradeInfoByYear(int year, Period curPeriod)
        {
            ExamSimple result = new ExamSimple();
            if (year > 0)
            {
                DateTime date = DateTime.UtcNow;
                int curYear = date.Year;
                int month = date.Month;
                Semester semesterStart = curPeriod.semesters.Where((Semester x) => x.start.Equals(1)).FirstOrDefault();
                if (semesterStart != null)
                {
                    if (month < semesterStart.month)
                    {
                        curYear--;
                    }
                    int gradeIndex = curYear - year;
                    result.id = gradeIndex.ToString();
                    result.name = (gradeIndex >= curPeriod.grades.Count) ? "graduated" : (gradeIndex >= 0) ? curPeriod.grades[gradeIndex] : "not-enrollment";
                }
            }
            return result;
        }

        //學生登入後根據學校規模取得授權數
        private async Task<int> GetStudentAuthNumByScale(string school_code, School school)
        {
            //授权规模数量
            DateTimeOffset dateTime = DateTimeOffset.UtcNow;
            var dateDay = dateTime.ToString("yyyyMMdd"); //获取当天的日期
            string key = $"Login:School:{school_code}:student-day:{dateDay}";
            SortedSetEntry[] countStudent = _azureRedis.GetRedisClient(8).SortedSetRangeByScoreWithScores(key);
            int countAuthorized = 0;
            if (countStudent != null && countStudent.Length > 0)
            {
                bool notify = false;
                countAuthorized = countStudent.Length;
                if (school.scale > 0 && school.scale - countAuthorized <= 0)
                {
                    //登录人数已达授权规模数上限
                    if (!string.IsNullOrWhiteSpace(school.areaId))
                    {
                        AreaSetting areaSetting = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Normal).ReadItemAsync<AreaSetting>(school.areaId, new PartitionKey("AreaSetting"));
                        if (areaSetting.ignoreScaleExpire > dateTime.ToUnixTimeMilliseconds())
                        {
                            //将人数控制在最大规模数以下。
                            countAuthorized = school.scale - 1;
                        }
                        else
                        {
                            notify = true;
                        }
                    }
                    else
                    {
                        notify = true;
                    }
                    if (notify)
                    {
                        //通知key 一天只通知一次
                        string scaleNotifykey = $"Login:School:{school.id}:student-scale-notify:{dateDay}";
                        bool Exists = await _azureRedis.GetRedisClient(8).KeyExistsAsync(scaleNotifykey);
                        if (!Exists)
                        {
                            //获取学校管理员
                            List<IdNameCode> ids = new List<IdNameCode>();
                            string sql = $"select   value c from c    where c.code='Teacher-{school.id}' and c.status='join'  and  array_contains(c.roles,'admin') ";
                            List<SchoolTeacher> adminTeachers = new List<SchoolTeacher>();
                            await foreach (var item in _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School)
                                .GetItemQueryIterator<SchoolTeacher>(queryText: sql, requestOptions: new QueryRequestOptions { PartitionKey = new PartitionKey($"Teacher-{school.id}") }))
                            {
                                adminTeachers.Add(item);
                            }
                            if (adminTeachers.IsNotEmpty())
                            {

                                string sqlAdmin = $"select c.id,c.lang  as code ,c.name from c where c.id in ({string.Join(",", adminTeachers.Select(z => $"'{z.id}'"))}) ";
                                await foreach (var item in _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Teacher)
                                    .GetItemQueryIterator<IdNameCode>(queryText: sqlAdmin, requestOptions: new QueryRequestOptions { PartitionKey = new PartitionKey($"Base") }))
                                {
                                    ids.Add(item);
                                }
                                foreach (var uds in ids)
                                {
                                    _coreAPIHttpService.PushNotify(new List<IdNameCode> { uds }, $"school-scale-notify", Constant.NotifyType_IES5_Management, new Dictionary<string, object> { { "tmdname", uds.name }, { "countAuthorized", $"{countAuthorized}" }, { "scale", $"{school.scale}" }, { "schoolName", school.name }, { "schoolId", $"{school.id}" }, }, _option.Location, _configuration, _dingDing, _environment.ContentRootPath);
                                }
                                await _azureRedis.GetRedisClient(8).StringSetAsync(scaleNotifykey, scaleNotifykey, new TimeSpan(hours: 24, minutes: 0, seconds: 0));
                            }
                        }
                    }
                }
            }
            return countAuthorized;
        }

        private async Task<string> getCoreAccessToken()
        {
            string AccessToken = "";
            try
            {
                string Url = _configuration.GetValue<string>("HaBookAuth:CoreAPI") + "/oauth2/token";
                string GrantType = "device";
                string ClientID = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
                string Secret = _configuration.GetValue<string>("HaBookAuth:CoreService:clientSecret");
                var content = new { grant_type = GrantType, client_id = ClientID, client_secret = Secret };
                var response = await _httpClient.CreateClient().PostAsJsonAsync($"{Url}", content);
                if (response.IsSuccessStatusCode)
                {
                    string responseBody = response.Content.ReadAsStringAsync().Result;
                    using (JsonDocument document = JsonDocument.Parse(responseBody.ToString()))
                    {
                        if (document.RootElement.TryGetProperty("access_token", out JsonElement AccessTokenObj))
                        {
                            AccessToken = AccessTokenObj.ToString();
                        }
                    }
                }
                return AccessToken;
            }
            catch (Exception ex)
            {
                return AccessToken;
            }
        }
        public static string RandomString(int length)
        {
            Random random = new Random();
            const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
            return new string(Enumerable.Repeat(chars, length)
                .Select(s => s[random.Next(s.Length)]).ToArray());
        }

        //取得學生OpenData
        private class stuOpenData
        {
            public string open_id { get; set; }
            public string open_name { get; set; }
            public string open_mail { get; set; }
            public string schoolCode { get; set; }
        }
        //CS API 返回架構
        private class csApiResponse
        {
            public int error { get; set; }
            public string message { get; set; }
        }
        //CSV2 學校資料庫 API 返回架構
        private class csSchApiResponse
        {
            public string code { get; set; }
            public string name { get; set; }
            public string type { get; set; }
        }
        //把openId打包成openToken架構
        private class openToken
        {
            public string openId { get; set; }
            public string shortCode { get; set; }
        }
        //無法取得OpenID搜尋學生姓名回傳的學生資料
        private class stuOpenDataOrientation
        {
            public string id { get; set; }
            public string name { get; set; }
            public string classId { get; set; }
            public string className { get; set; }
            public string periodId { get; set; }
            public string periodName { get; set; }
            public int year { get; set; }
            public string gradeIndex { get; set; }
            public string gradeName { get; set; }
            public string no { get; set; }
        }
    }
}