using Azure.Cosmos;
using Azure.Messaging.ServiceBus;
using Microsoft.Azure.Documents;
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models;
using TEAMModelOS.SDK.Models.Cosmos;

namespace TEAMModelFunction
{
    public static class VoteTrigger
    {

        public static async void Trigger(AzureCosmosFactory _azureCosmos, AzureServiceBusFactory _serviceBus, AzureStorageFactory _azureStorage, DingDing _dingDing,
            CosmosClient client, Document input, string code, long stime, long etime, string school)
        {
            Vote vote = await client.GetContainer("TEAMModelOS", "Common").ReadItemAsync<Vote>(input.Id, new Azure.Cosmos.PartitionKey($"{code}"));
            List<ChangeRecord> voteRecords = await _azureStorage.FindListByDict<ChangeRecord>(new Dictionary<string, object>() { { "RowKey", input.Id }, { "PartitionKey", vote.progress } });
            //ChangeRecord voteRecord = await client.GetContainer("TEAMModelOS", "Common").ReadItemAsync<ChangeRecord>(input.Id, new Azure.Cosmos.PartitionKey($"{vote.progress}"));
            switch (vote.progress)
            {
                case "pending":
                    var messageVote = new ServiceBusMessage(new { id = input.Id, progress = "going", code = code }.ToJsonString());
                    messageVote.ApplicationProperties.Add("name", "Vote");
                    if (voteRecords.Count > 0)
                    {
                        long start = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVote, DateTimeOffset.FromUnixTimeMilliseconds(stime));
                        await _serviceBus.GetServiceBusClient().cancelMessage("active-task", voteRecords[0].sequenceNumber);
                        voteRecords[0].sequenceNumber = start;
                        await _azureStorage.SaveOrUpdate<ChangeRecord>(voteRecords[0]);
                        //await client.GetContainer("TEAMModelOS", "Common").ReplaceItemAsync(voteRecord, voteRecord.id, new Azure.Cosmos.PartitionKey($"{voteRecord.code}"));
                    }
                    else
                    {
                        long start = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVote, DateTimeOffset.FromUnixTimeMilliseconds(stime));
                        ChangeRecord changeRecord = new ChangeRecord
                        {
                            RowKey = input.Id,
                            PartitionKey = "pending",
                            sequenceNumber = start,
                            msgId = messageVote.MessageId
                        };
                        await _azureStorage.Save<ChangeRecord>(changeRecord);
                        //await client.GetContainer("TEAMModelOS", "Common").CreateItemAsync(changeRecord, new Azure.Cosmos.PartitionKey($"{changeRecord.code}"));
                    }
                    break;
                case "going":
                     var tcode = code.Replace("Vote-", "");
                    //处理教师可投票信息初始化
                    if (vote.teachers != null && vote.scope == "school")
                    {
                        List<CommonData> teacherDatas = new List<CommonData>();
                        vote.teachers.ForEach(x => {
                            teacherDatas.Add(new CommonData
                            {
                                id = vote.id,
                                code = $"Common-{x}",
                                type = "vote",
                                name = vote.name,
                                startTime = vote.startTime,
                                endTime = vote.endTime,
                                scode = vote.code,
                               // spcode = tcode
                            });
                        });
                        List<Task<ItemResponse<CommonData>>> tasks = new List<Task<ItemResponse<CommonData>>>();
                        foreach (var data in teacherDatas) {
                           tasks.Add(client.GetContainer("TEAMModelOS", "Teacher").UpsertItemAsync<CommonData>(data, new Azure.Cosmos.PartitionKey(data.code)));
                        }
                      var response= await Task.WhenAll(tasks);
                    }
                    //处理学校教室或私人教师可投票信息初始化
                    if (vote.classes != null) {

                        List<Task<ItemResponse<CommonData>>> tasks = new List<Task<ItemResponse<CommonData>>>();
                        //学校教室
                        if (vote.scope == "school")
                        {
                            List<CommonData> classDatas = new List<CommonData>();
                            foreach (var clazz in vote.classes) {
                                var response = await client.GetContainer("TEAMModelOS", "School").ReadItemStreamAsync(clazz, new Azure.Cosmos.PartitionKey($"Class-{tcode}"));
                                if (response.Status == 200) {
                                    using var json = await JsonDocument.ParseAsync(response.ContentStream);
                                    Class clss = json.ToObject<Class>();
                                    if (clss.students != null && clss.students.Count > 0) {
                                        clss.students.ForEach(x => {
                                            classDatas.Add(new CommonData
                                            {
                                                id = vote.id,
                                                code = $"Common-{x.id}",
                                                type = "vote",
                                                name = vote.name,
                                                startTime = vote.startTime,
                                                endTime = vote.endTime,
                                                scode = vote.code,
                                               // spcode = x.scode
                                            }); 
                                        });
                                    }
                                }
                            }
                            foreach (var data in classDatas)
                            {
                                tasks.Add(client.GetContainer("TEAMModelOS", "Student").UpsertItemAsync<CommonData>(data, new Azure.Cosmos.PartitionKey(data.code)));
                            }

                        }
                        //私人教室
                        else if (vote.scope == "private") {
                         
                            foreach (var clazz in vote.classes)
                            {
                                var response = await client.GetContainer("TEAMModelOS", "Teacher").ReadItemStreamAsync(clazz, new Azure.Cosmos.PartitionKey($"Class-{tcode}"));
                                if (response.Status == 200)
                                {
                                    using var json = await JsonDocument.ParseAsync(response.ContentStream);
                                    Class clss = json.ToObject<Class>();
                                    //处理私人教室的学生数据来源问题
                                    //从不同学校的学生账号
                                    if (clss.source == 1) {
                                        List<CommonData> classDatas = new List<CommonData>();
                                        if (clss.students != null && clss.students.Count > 0)
                                        {
                                            clss.students.ForEach(x => {
                                                classDatas.Add(new CommonData
                                                {
                                                    id = vote.id,
                                                    code = $"Common-{x.id}",
                                                    type = "vote",
                                                    name = vote.name,
                                                    startTime = vote.startTime,
                                                    endTime = vote.endTime,
                                                    scode = vote.code,
                                                   // spcode = x.scode
                                                }); 
                                            });
                                            foreach (var data in classDatas)
                                            {
                                                tasks.Add(client.GetContainer("TEAMModelOS", "Student").UpsertItemAsync<CommonData>(data, new Azure.Cosmos.PartitionKey(data.code)));
                                            }
                                        }
                                    }
                                    //从扫码加入的醍摩豆ID
                                    if (clss.source == 2) {
                                        List<CommonData> classDatas = new List<CommonData>();
                                        if (clss.students != null && clss.students.Count > 0)
                                        {
                                            clss.students.ForEach(x => {
                                                classDatas.Add(new CommonData
                                                {
                                                    id = vote.id,
                                                    code = $"Common-{x.id}",
                                                    type = "vote",
                                                    name = vote.name,
                                                    startTime = vote.startTime,
                                                    endTime = vote.endTime,
                                                    scode = vote.code,
                                                    //spcode = x.scode
                                                }) ; 
                                            });
                                            foreach (var data in classDatas)
                                            {
                                                tasks.Add(client.GetContainer("TEAMModelOS", "Teacher").UpsertItemAsync<CommonData>(data, new Azure.Cosmos.PartitionKey(data.code)));
                                            }
                                        }
                                    }
                                }
                            }
                        }
                        var task =  await Task.WhenAll(tasks);
                    }
                    var messageVoteEnd = new ServiceBusMessage(new { id = input.Id, progress = "finish", code = code }.ToJsonString());
                    messageVoteEnd.ApplicationProperties.Add("name", "Vote");
                    if (voteRecords.Count > 0)
                    {
                        long end = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVoteEnd, DateTimeOffset.FromUnixTimeMilliseconds(etime));
                        await _serviceBus.GetServiceBusClient().cancelMessage("active-task", voteRecords[0].sequenceNumber);
                        voteRecords[0].sequenceNumber = end;
                        await _azureStorage.SaveOrUpdate<ChangeRecord>(voteRecords[0]);
                        //await client.GetContainer("TEAMModelOS", "Common").ReplaceItemAsync(voteRecord, voteRecord.id, new Azure.Cosmos.PartitionKey($"{voteRecord.code}"));
                    }
                    else
                    {
                        long end = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVoteEnd, DateTimeOffset.FromUnixTimeMilliseconds(etime));
                        ChangeRecord changeRecord = new ChangeRecord
                        {
                            RowKey = input.Id,
                            PartitionKey = "going",
                            sequenceNumber = end,
                            msgId = messageVoteEnd.MessageId
                        };
                        await _azureStorage.Save<ChangeRecord>(changeRecord);
                        //await client.GetContainer("TEAMModelOS", "Common").CreateItemAsync(changeRecord, new Azure.Cosmos.PartitionKey($"{changeRecord.code}"));
                    }
                    break;
                case "finish":
                    break;
            }
        }
    }
}