using Azure;
using Azure.Cosmos;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK;
using TEAMModelOS.SDK.Models;
using TEAMModelOS.SDK.Models.Cosmos.Common;
using TEAMModelOS.SDK.Models.Service;
using HTEXLib.COMM.Helpers;

namespace TEAMModelOS.SDK
{
    public class ActivityService
    {
        public static async Task FixActivity(CosmosClient client, DingDing _dingDing, GroupChange groupChange, string type)
        {
            try
            {
                var query = $"SELECT distinct c.owner, c.id,c.code, c.classes,c.stuLists,c.subjects,c.progress,c.scope,c.startTime,c.school,c.creatorId,c.name,c.pk ,c.endTime   FROM c  where  c.pk='{type}' " +
                    $" and (( array_contains(c.classes,'{groupChange.listid}')) or ( array_contains(c.stuLists,'{groupChange.listid}'))or ( array_contains(c.tchLists,'{groupChange.listid}')))";
                //$"and A1 in('{groupChange.listid}') ";
                List<MQActivity> datas = new List<MQActivity>();
                if (groupChange.scope.Equals("school", StringComparison.OrdinalIgnoreCase) && !string.IsNullOrEmpty(groupChange.school))
                {
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Common").GetItemQueryIterator<MQActivity>(queryText: query,
                        requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"{type}-{groupChange.school}") }))
                    {
                        datas.Add(item);
                    }
                    ///还要处理该学校每个老师发布的班级的
                    List<SchoolTeacher> teachers = new List<SchoolTeacher>();
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<SchoolTeacher>(queryText: $"SELECT c.id, c.name FROM c",
                        requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Teacher-{groupChange.school}") }))
                    {
                        teachers.Add(item);
                    }
                    foreach (var techer in teachers)
                    {
                        var queryTech = $"SELECT distinct c.owner, c.id,c.code, c.classes,c.stuLists,c.subjects,c.progress,c.scope,c.startTime,c.school,c.creatorId,c.name,c.pk ,c.endTime   FROM c " +
                            $" where c.school='{groupChange.school}'   and   c.pk='{type}'" +
                            $" and (( array_contains(c.classes,'{groupChange.listid}')) or ( array_contains(c.stuLists,'{groupChange.listid}')))";
                        //  $" and A1 in('{groupChange.listid}') ";
                        await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Common").GetItemQueryIterator<MQActivity>(queryText: queryTech,
                            requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"{type}-{techer.id}") }))
                        {
                            datas.Add(item);
                        }
                    }
                }
                if (groupChange.scope.Equals("private", StringComparison.OrdinalIgnoreCase) && !string.IsNullOrEmpty(groupChange.creatorId))
                {
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Common").GetItemQueryIterator<MQActivity>(queryText: query,
                        requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"{type}-{groupChange.creatorId}") }))
                    {
                        datas.Add(item);
                    }
                }
                long nowtime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
                foreach (MQActivity activity in datas)
                {
                    //已经完结的不再允许加入,还未开始的。
                    if (string.IsNullOrEmpty(activity.progress) || activity.progress.Equals("finish") || activity.progress.Equals("pending"))
                    {
                        continue;
                    }
                    List<string> classes = ExamService.getClasses(activity.classes, activity.stuLists);
                    //stujoin新加入名单的
                    foreach (Member member in groupChange.stujoin)
                    {
                        var stucourse = new StuActivity
                        {
                            id = activity.id,
                            scode = activity.code,
                            name = activity.name,
                            code = $"Activity-{member.code.Replace("Base-", "")}-{member.id}",
                            scope = activity.scope,
                            school = activity.school,
                            creatorId = activity.creatorId,
                            pk = "Activity",
                            type = type,
                            subjects = activity.pk.ToLower().Equals("exam") && activity.subjects.IsNotEmpty() ? new List<string>() { activity.subjects[0].id } : new List<string>() { "" },
                            startTime = activity.startTime,
                            endTime = activity.endTime,
                            blob = activity.blob,
                            owner = activity.owner,
                            createTime = nowtime,
                            taskStatus = -1,
                            classIds = classes
                        };
                        await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code));
                    }

                    //tmdjoin新加入的
                    foreach (Member member in groupChange.tmdjoin)
                    {
                        var stucourse = new StuActivity
                        {
                            id = activity.id,
                            scode = activity.code,
                            name = activity.name,
                            code = $"Activity-{member.id}",
                            scope = activity.scope,
                            school = activity.school,
                            creatorId = activity.creatorId,
                            pk = "Activity",
                            type = type,
                            subjects = activity.pk.ToLower().Equals("exam") && activity.subjects.IsNotEmpty() ? new List<string>() { activity.subjects[0].id } : new List<string>() { "" },
                            startTime = activity.startTime,
                            endTime = activity.endTime,
                            blob = activity.blob,
                            owner = activity.owner,
                            createTime = nowtime,
                            taskStatus = -1,
                            classIds = classes
                        };
                        await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code));
                    }
                    //tchjoin新加入的
                    foreach (Member member in groupChange.tchjoin)
                    {
                        var stucourse = new StuActivity
                        {
                            id = activity.id,
                            scode = activity.code,
                            name = activity.name,
                            code = $"Activity-{member.id}",
                            scope = activity.scope,
                            school = activity.school,
                            creatorId = activity.creatorId,
                            pk = "Activity",
                            type = type,
                            subjects = activity.pk.ToLower().Equals("exam") && activity.subjects.IsNotEmpty() ? new List<string>() { activity.subjects[0].id } : new List<string>() { "" },
                            startTime = activity.startTime,
                            endTime = activity.endTime,
                            blob = activity.blob,
                            owner = activity.owner,
                            createTime = nowtime,
                            taskStatus = -1,
                            classIds = classes
                        };
                        await client.GetContainer(Constant.TEAMModelOS, "Teacher").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code));
                    }
                    foreach (Member member in groupChange.stuleave)
                    {
                        try
                        {

                            await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemAsync<StuActivity>(activity.id, new PartitionKey($"Activity-{member.code.Replace("Base-", "")}-{member.id}"));
                        }
                        catch (CosmosException)
                        {
                            continue;
                            // 继续执行 删除失败
                        }
                    }
                    foreach (Member member in groupChange.tmdleave)
                    {
                        try
                        {

                            await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemAsync<StuActivity>(activity.id, new PartitionKey($"Activity-{member.id}"));
                        }
                        catch (CosmosException)
                        {
                            continue;
                            // 继续执行 删除失败
                        }
                    }
                    foreach (Member member in groupChange.tchleave)
                    {
                        try
                        {
                            await client.GetContainer(Constant.TEAMModelOS, "Teacher").DeleteItemAsync<StuActivity>(activity.id, new PartitionKey($"Activity-{member.id}"));
                        }
                        catch (CosmosException)
                        {
                            continue;
                            // 继续执行 删除失败
                        }
                    }
                }
            } catch (CosmosException e) {
                await _dingDing.SendBotMsg($"{Environment.GetEnvironmentVariable("Option:Location")}-GroupListService-FixActivity\n{e.Message}\n{e.StackTrace}CosmosException{e.Status}", GroupNames.成都开发測試群組);
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"{Environment.GetEnvironmentVariable("Option:Location")}-GroupListService-FixActivity\n{ex.Message}{ex.StackTrace}{groupChange.ToJsonString()}{type}", GroupNames.醍摩豆服務運維群組);
            }
        }
        public static async Task FixStuCourse(CosmosClient client, DingDing _dingDing, GroupChange groupChange)
        {
            //1.查找学校或教师的课程是否包含该名单的课程。
            var query = $"select distinct c.code,c.id,c.no,c.name,c.scope, c.creatorId,c.school from c join A0 in c.schedule where A0.stulist = '{groupChange.listid}'";
            List<Course> courses = new List<Course>();
            if (groupChange.scope.Equals("school") && !string.IsNullOrEmpty(groupChange.school))
            {
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<Course>(queryText: query,
                    requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Course-{groupChange.school}") }))
                {
                    courses.Add(item);
                }
            }
            if (groupChange.scope.Equals("private") && !string.IsNullOrEmpty(groupChange.creatorId))
            {
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Teacher").GetItemQueryIterator<Course>(queryText: query,
                    requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Course-{groupChange.creatorId}") }))
                {
                    courses.Add(item);
                }
            }
            long nowtime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
            // await _dingDing.SendBotMsg($"{Environment.GetEnvironmentVariable("Option:Location")}-GroupListService-FixStuCourse\n名单发生变更 需要处理的课程\n{courses.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
            //2.获取课程的id 并尝试添加或移除对应的学生课程记录StuCourse。
            foreach (var course in courses)
            {
                //学生新加入名单的
                foreach (Member member in groupChange.stujoin)
                {
                    var stucourse = new StuCourse
                    {
                        id = course.id,
                        scode = course.code,
                        name = course.name,
                        code = $"StuCourse-{member.code.Replace("Base-", "")}-{member.id}",
                        scope = course.scope,
                        school = course.school,
                        creatorId = course.creatorId,
                        pk = "StuCourse",
                        stulist = new List<string> { groupChange.listid },
                        createTime = nowtime
                    };
                    // await _dingDing.SendBotMsg($"{Environment.GetEnvironmentVariable("Option:Location")}-GroupListService-FixStuCourse\n名单发生变更 新建课程中间表\n{stucourse.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                    await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code));
                }
                //tmd新加入的
                foreach (Member member in groupChange.tmdjoin)
                {
                    var stucourse = new StuCourse
                    {
                        id = course.id,
                        scode = course.code,
                        name = course.name,
                        code = $"StuCourse-{member.id}",
                        scope = course.scope,
                        school = course.school,
                        creatorId = course.creatorId,
                        pk = "StuCourse",
                        stulist = new List<string> { groupChange.listid },
                        createTime = nowtime
                    };
                    // await _dingDing.SendBotMsg($"{Environment.GetEnvironmentVariable("Option:Location")}-GroupListService-FixStuCourse\n名单发生变更 新建课程中间表\n{stucourse.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                    await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code));
                }
                //移除名单的。 在点击相关的课程，再去二次校验是否存在，不存在则再去删除。
                foreach (var delStu in groupChange.stuleave)
                {
                    await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delStu.code.Replace("Base-", "")}-{delStu.id}"));
                }
                foreach (var delTmd in groupChange.tmdleave)
                {
                    await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delTmd}"));
                }
            }
        }
        public static async Task<string> SaveStuActivity(CosmosClient client, DingDing _dingDing, List<StuActivity> stuActivities, List<StuActivity> tmdActivities, List<StuActivity> tchActivities)
        {
            try
            {
                if (stuActivities.IsNotEmpty())
                {
                    foreach (var x in stuActivities)
                    {
                        await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(x, new PartitionKey(x.code));
                    }
                }
                if (tmdActivities.IsNotEmpty())
                {
                    foreach (var x in tmdActivities)
                    {
                        await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(x, new PartitionKey(x.code));
                    }
                }
                if (tchActivities.IsNotEmpty())
                {
                    foreach (var x in tchActivities)
                    {
                        await client.GetContainer(Constant.TEAMModelOS, "Teacher").UpsertItemAsync(x, new PartitionKey(x.code));
                    }
                }
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"{Environment.GetEnvironmentVariable("Option:Location")}-OS，TriggerStuActivity-SaveStuActivity\n{ex.Message}\n{ex.StackTrace}", GroupNames.醍摩豆服務運維群組);
            }
            return "";
        }
        public static async Task RefreshStuActivity(CoreAPIHttpService _coreAPIHttpService ,CosmosClient client, DingDing _dingDing, string id, string code)
        {
            MQActivity activity = null;
            try
            {
                var aactivity = await client.GetContainer(Constant.TEAMModelOS, "Common").ReadItemStreamAsync(id, new Azure.Cosmos.PartitionKey(code));
                using var da = await JsonDocument.ParseAsync(aactivity.ContentStream);
                activity = da.ToObject<MQActivity>();
            }
            catch (CosmosException)
            {
                activity = null;
            }
            if (activity != null)
            {
                List<Task<ItemResponse<StuActivity>>> tasks = new List<Task<ItemResponse<StuActivity>>>();
                List<string> classes = ExamService.getClasses(activity.classes, activity.stuLists);
                (List<RMember> tmdIds, List<RGroupList> classLists) = await GroupListService.GetStutmdidListids(_coreAPIHttpService, client, _dingDing, classes, activity.school);
                var students = tmdIds.FindAll(x => x.type == 2);
                var tmdids = tmdIds.FindAll(x => x.type == 1);
                if (tmdids.IsNotEmpty())
                {
                    foreach (RMember tmdid in tmdids)
                    {
                        var response = await client.GetContainer(Constant.TEAMModelOS, "Student").ReadItemStreamAsync(activity.id, new PartitionKey($"Activity-{tmdid.id}"));
                        if (response.Status == 200) {
                            using var json = await JsonDocument.ParseAsync(response.ContentStream);
                            StuActivity stu = json.ToObject<StuActivity>();
                            stu.id = activity.id;
                            stu.scode = activity.code;
                            stu.name = activity.name;
                            stu.source = activity.source;
                            stu.scope = activity.scope;
                            stu.school = activity.school;
                            stu.creatorId = activity.creatorId;
                            stu.type = activity.pk;
                            stu.subjects = activity.pk.ToLower().Equals("exam") && activity.subjects.IsNotEmpty() ? new List<string>() { activity.subjects[0].id } : new List<string>() { "" };
                            stu.startTime = activity.startTime;
                            stu.endTime = activity.endTime;
                            stu.blob = activity.blob;
                            stu.owner = activity.owner;
                            stu.createTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
                            tasks.Add(client.GetContainer(Constant.TEAMModelOS, "Student").ReplaceItemAsync(stu,stu.id, new PartitionKey(stu.code)));
                        }                                              
                    }
                }
                if (students.IsNotEmpty())
                {
                    foreach (RMember student in students)
                    {
                        var response = await client.GetContainer(Constant.TEAMModelOS, "Student").ReadItemStreamAsync(activity.id, new PartitionKey($"Activity-{activity.school}-{student.id}"));
                        if (response.Status == 200)
                        {
                            using var json = await JsonDocument.ParseAsync(response.ContentStream);
                            StuActivity stu = json.ToObject<StuActivity>();
                            stu.id = activity.id;
                            stu.scode = activity.code;
                            stu.name = activity.name;
                            stu.source = activity.source;
                            stu.scope = activity.scope;
                            stu.school = activity.school;
                            stu.creatorId = activity.creatorId;
                            stu.type = activity.pk;
                            stu.subjects = activity.pk.ToLower().Equals("exam") && activity.subjects.IsNotEmpty() ? new List<string>() { activity.subjects[0].id } : new List<string>() { "" };
                            stu.startTime = activity.startTime;
                            stu.endTime = activity.endTime;
                            stu.blob = activity.blob;
                            stu.owner = activity.owner;
                            stu.createTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
                            tasks.Add(client.GetContainer(Constant.TEAMModelOS, "Student").ReplaceItemAsync(stu, stu.id, new PartitionKey(stu.code)));
                        }
                        //await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code));
                    }
                }
                await Task.WhenAll(tasks);
            }
        }

        public static async Task DeleteActivity(CoreAPIHttpService _coreAPIHttpService, CosmosClient client, DingDing _dingDing, ActivityList activityList) {
            List<(string pId, List<string> gid)> ps = new List<(string pId, List<string> gid)>();
            if (activityList.groupLists.Count > 0)
            {
                var group = activityList.groupLists;
                foreach (var keys in group)
                {
                    foreach (KeyValuePair<string, List<string>> pp in keys)
                    {
                        ps.Add((pp.Key, pp.Value));
                    }
                }
            }
            List<string> classes = ExamService.getClasses(activityList.classes, activityList.stuLists);
            (List<RMember> tmdIds, List<RGroupList> classLists) = await GroupListService.GetStutmdidListids(_coreAPIHttpService, client, _dingDing, classes, activityList.school, ps);
            var addStudentsCls = tmdIds.FindAll(x => x.type == 2);
            var addTmdidsCls = tmdIds.FindAll(x => x.type == 1);
            List<string> tmds = new List<string>();
            if (addTmdidsCls.IsNotEmpty())
            {
                tmds.AddRange(addTmdidsCls.Select(x => x.id).ToList());
            }
            List<StuActivity> stuActivities = new List<StuActivity>();
            List<StuActivity> tmdActivities = new List<StuActivity>();
            List<StuActivity> tchActivities = new List<StuActivity>();
            if (tmds.IsNotEmpty())
            {
                tmds.ForEach(x =>
                {
                    tmdActivities.Add(new StuActivity
                    {
                        id = activityList.id,
                        code = $"Activity-{x}",
                    });
                });
            }
            if (addStudentsCls.IsNotEmpty())
            {
                addStudentsCls.ForEach(x =>
                {
                    stuActivities.Add(new StuActivity
                    {
                        id = activityList.id,
                        code = $"Activity-{x.code.Replace("Base-", "")}-{x.id}",
                    });
                });
            }
            (List<RMember> tchList, List<RGroupList> classInfos) = await GroupListService.GetStutmdidListids(_coreAPIHttpService, client, _dingDing, activityList.tchLists, activityList.school, ps);
            (string standard, List<string> tmdids, string school, List<string> update, int statistics) list = (null, null, null, new List<string> { StatisticsService.TeacherVote }, 0);
            if (tchList.IsNotEmpty())
            {
                list.tmdids = tchList.Select(x => x.id).ToList();
                School school = null;
                if (!string.IsNullOrEmpty(activityList.school))
                {
                    school = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<School>(activityList.school, new Azure.Cosmos.PartitionKey("Base"));
                    list.school = school.id;
                    list.standard = school.standard;
                }
                tchList.ForEach(x =>
                {
                    tchActivities.Add(new StuActivity
                    {
                        id = activityList.id,
                        code = $"Activity-{x.id}",
                    });
                });

            }
            await ActivityService.DeleteStuActivity(client, _dingDing, stuActivities, tmdActivities, tchActivities);
        }
        public static async Task<string> DeleteStuActivity(CosmosClient client, DingDing _dingDing, List<StuActivity> stuActivities, List<StuActivity> tmdActivities, List<StuActivity> tchActivities)
        {
            try
            {
                if (stuActivities.IsNotEmpty())
                {
                    foreach (var x in stuActivities)
                    {
                        await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(x.id, new PartitionKey(x.code));
                    }
                }
                if (tmdActivities.IsNotEmpty())
                {
                    foreach (var x in tmdActivities)
                    {
                        await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(x.id, new PartitionKey(x.code));
                    }
                }
                if (tchActivities.IsNotEmpty())
                {
                    foreach (var x in tchActivities)
                    {
                        await client.GetContainer(Constant.TEAMModelOS, "Teacher").DeleteItemStreamAsync(x.id, new PartitionKey(x.code));
                    }
                }
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"{Environment.GetEnvironmentVariable("Option:Location")}-OS，TriggerStuActivity-DeleteStuActivity\n{ex.Message}\n{ex.StackTrace}", GroupNames.醍摩豆服務運維群組);
            }
            return "";
        }
    }

    public class ActivityList
    {
        public string id { get; set; }
        public string school { get; set; }
        /// <summary>
        ///  行政班  
        /// </summary>
        public List<string> classes { get; set; } = new List<string>();
        /// <summary>
        /// 学生名单（包含自定义个人学生名单，学校教学班）
        /// </summary>
        public List<string> stuLists { get; set; } = new List<string>();
        /// <summary>
        /// 教研组名单
        /// </summary>
        public List<string> tchLists { get; set; } = new List<string>();
        public List<Dictionary<string, List<string>>> groupLists { get; set; } = new List<Dictionary<string, List<string>>>();
    }
}