using Azure.Cosmos;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.Models;
using TEAMModelOS.SDK.Context.BI;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models;

namespace TEAMModelBI.Controllers.BIStudent
{
    [Route("student")]
    [ApiController]
    public class StudentController : ControllerBase
    {
        private readonly AzureCosmosFactory _azureCosmos;
        private readonly AzureStorageFactory _azureStorage;
        private readonly DingDing _dingDing;
        private readonly Option _option;

        public StudentController(AzureCosmosFactory azureCosmos, AzureStorageFactory azureStorage, DingDing dingDing, IOptionsSnapshot<Option> option)
        {
            _azureCosmos = azureCosmos;
            _azureStorage = azureStorage;
            _dingDing = dingDing;
            _option = option?.Value;
        }

        /// <summary>
        /// 依据学生Id查询详情  数据管理工具——查询工具
        /// </summary>
        /// <param name="jsonElement"></param>
        /// <returns></returns>
        [HttpPost("get-info")]
        public async Task<IActionResult> GetInfo(JsonElement jsonElement) 
        {
            if (!jsonElement.TryGetProperty("studentId", out JsonElement studentId)) return BadRequest();
            jsonElement.TryGetProperty("code", out JsonElement code);
            jsonElement.TryGetProperty("site", out JsonElement site);
            var cosmosClient = _azureCosmos.GetCosmosClient();
            if ($"{site}".Equals(BIConst.Global))
                cosmosClient = _azureCosmos.GetCosmosClient(name: BIConst.Global);
            List<object> objs = new();
            await foreach (var item in cosmosClient.GetContainer("TEAMModelOS", "Student").GetItemQueryStreamIterator(queryText: $"select value(c) from c where c.id='{studentId}'", requestOptions: string.IsNullOrEmpty($"{code}") ? new QueryRequestOptions() { } : new QueryRequestOptions() { PartitionKey = new PartitionKey($"{code}") }))
            {
                using var json = await JsonDocument.ParseAsync(item.ContentStream);
                if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetInt16() > 0) 
                {
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        objs.Add(obj);
                    }
                }
            }

            return Ok(new { state = 200, students = objs });
        }

        /// <summary>
        /// 学生活动中间表ClassIds去重
        /// </summary>
        /// <param name="jsonElement"></param>
        /// <returns></returns>
        [ProducesDefaultResponseType]
        [HttpPost("get-classIds")]
        public async Task<IActionResult> CorrectActivityClassIds(JsonElement jsonElement)
        {
            try
            {
                jsonElement.TryGetProperty("site", out JsonElement site);
                var cosmosClient = _azureCosmos.GetCosmosClient();

                if ($"{site}".Equals(BIConst.Global))
                    cosmosClient = _azureCosmos.GetCosmosClient(name: BIConst.Global);

                //string sqlTxt = "SELECT select c.id,c.code,c.classIds FROM c  where c.pk='Activity' and c.classIds <> []";
                string sqlTxt = "select c.id,c.code,c.classIds from c where c.school='cswznb' and c.classIds <> []";
                List<CorrectStu> correctStus = new();
                await foreach (var item in cosmosClient.GetContainer("TEAMModelOS", "Student").GetItemQueryStreamIterator(queryText: sqlTxt, requestOptions: new QueryRequestOptions() { }))
                {
                    using var json = await JsonDocument.ParseAsync(item.ContentStream);
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        obj.TryGetProperty("id", out JsonElement tempTd);
                        obj.TryGetProperty("code", out JsonElement code);
                        obj.TryGetProperty("classIds", out JsonElement _classIds);
                        List<string> templist = _classIds.ToObject<List<string>>();

                        //List<string> newList = templist.Distinct().ToList(); //Equals实现去重  
                        //List<string> newLis1 = templist.Where((x, i) => templist.FindIndex(z => z == x) == i).ToList(); //Lambda表达式去重 
                        HashSet<string> hashSet = new(templist);//哈希自动去重
                        if (hashSet.Count != templist.Count)
                        {
                            CorrectStu correctList = new() { id = $"{tempTd}", code = $"{code}", classIds = hashSet.ToList() };
                            correctStus.Add(correctList);
                        }
                    }
                }

                if (correctStus.Count > 0)
                {
                    foreach (var correct in correctStus)
                    {
                        StuActivity stuActivity = await cosmosClient.GetContainer("TEAMModelOS", "Student").ReadItemAsync<StuActivity>(correct.id, new PartitionKey(correct.code));
                        if (stuActivity != null)
                        {
                            stuActivity.classIds = correct.classIds;

                            await cosmosClient.GetContainer("TEAMModelOS", "Student").ReplaceItemAsync<StuActivity>(stuActivity, stuActivity.id, new PartitionKey(stuActivity.code));
                        }
                    }

                    return Ok(new { state = 200, msg = "去重成功" });
                }
                else
                {
                    return Ok(new { state = 201, msg = "学生活动中间表无重复班级ID" });
                }

            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"BI,{_option.Location} /stuactivity/get-classIds \n {ex.Message}\n{ex.StackTrace}", GroupNames.成都开发測試群組);
                return Ok(new { state = 401 });
            }
        }

        public record CorrectStu
        {
            public string id { get; set; }

            public string code { get; set; }

            public List<string> classIds { get; set; }
        }
    }
}