using Azure.Cosmos;
using Azure.Messaging.ServiceBus;
using Microsoft.Azure.Documents;
using System;
using System.Collections.Generic;
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.Helper.Common.CollectionHelper;
using TEAMModelOS.SDK.Models;
using TEAMModelOS.SDK.Models.Cosmos;
using TEAMModelOS.SDK.Models.Cosmos.Common.Inner;

namespace TEAMModelFunction
{
    public static class TriggerVote
    {

        public static async void Trigger(AzureServiceBusFactory _serviceBus, AzureStorageFactory _azureStorage, DingDing _dingDing,
            CosmosClient client, Document input, TriggerData tdata, AzureRedisFactory _azureRedis)
        {
            if ((tdata.status != null && tdata.status.Value == 404)||tdata.ttl>0)
            {
                return;
            }
            var adid = tdata.id;
            var adcode = "";
            if (tdata.scope == "school")
            {
                adcode = $"Activity-{tdata.school}";
            }
            else if (tdata.scope == "private")
            {
                adcode = $"Activity-{tdata.creatorId}";
            }
            ActivityData data = null;
            try
            {
                if (tdata.scope == "school")
                {
                    data = await client.GetContainer("TEAMModelOS", "School").ReadItemAsync<ActivityData>(adid, new Azure.Cosmos.PartitionKey($"{adcode}"));
                }
                else if (tdata.scope == "private")
                {
                    data = await client.GetContainer("TEAMModelOS", "Teacher").ReadItemAsync<ActivityData>(adid, new Azure.Cosmos.PartitionKey($"{adcode}"));
                }
            }
            catch
            {
                data = null;
            }
            await _dingDing.SendBotMsg($"投票活动【{tdata.name}-{tdata.id}-ttl={tdata.ttl}】正在操作", GroupNames.成都开发測試群組);
            Vote vote = await client.GetContainer("TEAMModelOS", "Common").ReadItemAsync<Vote>(input.Id, new Azure.Cosmos.PartitionKey($"{tdata.code}"));
            List<ChangeRecord> voteRecords = await _azureStorage.FindListByDict<ChangeRecord>(new Dictionary<string, object>() { { "RowKey", input.Id }, { "PartitionKey", vote.progress } });
            if (vote != null) {
                switch (vote.progress)
                {
                    case "pending":
                        var messageVote = new ServiceBusMessage(new { id = input.Id, progress = "going", code = tdata.code }.ToJsonString());
                        messageVote.ApplicationProperties.Add("name", "Vote");
                        if (voteRecords.Count > 0)
                        {
                            long start = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVote, DateTimeOffset.FromUnixTimeMilliseconds(tdata.stime));
                            await _serviceBus.GetServiceBusClient().cancelMessage("active-task", voteRecords[0].sequenceNumber);
                            voteRecords[0].sequenceNumber = start;
                            await _azureStorage.SaveOrUpdate<ChangeRecord>(voteRecords[0]);
                        }
                        else
                        {
                            long start = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVote, DateTimeOffset.FromUnixTimeMilliseconds(tdata.stime));
                            ChangeRecord changeRecord = new ChangeRecord
                            {
                                RowKey = input.Id,
                                PartitionKey = "pending",
                                sequenceNumber = start,
                                msgId = messageVote.MessageId
                            };
                            await _azureStorage.Save<ChangeRecord>(changeRecord);
                        }
                        break;
                    case "going":
                        if (vote.scope == "school")
                        {
                            data = new ActivityData
                            {
                                id = vote.id,
                                code = $"Activity-{vote.school}",
                                type = "vote",
                                name = vote.name,
                                startTime = vote.startTime,
                                endTime = vote.endTime,
                                scode = vote.code,
                                scope = vote.scope,
                                classes = vote.classes.IsNotEmpty() ? vote.classes : new List<string> { "" },
                                tmdids = vote.tmdids.IsNotEmpty() ? vote.tmdids : new List<string> { "" },
                                progress = "going",
                                subjects = new List<string> { "" }
                            };
                            await client.GetContainer("TEAMModelOS", "School").UpsertItemAsync<ActivityData>(data, new Azure.Cosmos.PartitionKey(data.code));
                        }
                        else if (vote.scope == "private")
                        {
                            data = new ActivityData
                            {
                                id = vote.id,
                                code = $"Activity-Common",
                                type = "vote",
                                name = vote.name,
                                startTime = vote.startTime,
                                endTime = vote.endTime,
                                scode = vote.code,
                                scope = vote.scope,
                                progress = "going",
                                classes = vote.classes.IsNotEmpty() ? vote.classes : new List<string> { "" },
                                tmdids = new List<string> { "" },
                                subjects = new List<string> { "" }
                            };
                            await client.GetContainer("TEAMModelOS", "Teacher").UpsertItemAsync<ActivityData>(data, new Azure.Cosmos.PartitionKey(data.code));
                        }
                        var messageVoteEnd = new ServiceBusMessage(new { id = input.Id, progress = "finish", code = tdata.code }.ToJsonString());
                        messageVoteEnd.ApplicationProperties.Add("name", "Vote");
                        if (voteRecords.Count > 0)
                        {
                            long end = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVoteEnd, DateTimeOffset.FromUnixTimeMilliseconds(tdata.etime));
                            await _serviceBus.GetServiceBusClient().cancelMessage("active-task", voteRecords[0].sequenceNumber);
                            voteRecords[0].sequenceNumber = end;
                            await _azureStorage.SaveOrUpdate<ChangeRecord>(voteRecords[0]);
                        }
                        else
                        {
                            long end = await _serviceBus.GetServiceBusClient().SendScheduleMessageAsync("active-task", messageVoteEnd, DateTimeOffset.FromUnixTimeMilliseconds(tdata.etime));
                            ChangeRecord changeRecord = new ChangeRecord
                            {
                                RowKey = input.Id,
                                PartitionKey = "going",
                                sequenceNumber = end,
                                msgId = messageVoteEnd.MessageId
                            };
                            await _azureStorage.Save<ChangeRecord>(changeRecord);
                        }
                        await _dingDing.SendBotMsg($"投票活动{tdata.id}将于:{tdata.etime}完成并结算！", GroupNames.成都开发測試群組);
                        break;
                    case "finish":
                        await _dingDing.SendBotMsg($"投票活动{tdata.id}开始结算{tdata.etime}！", GroupNames.成都开发測試群組);
                        //获取投票活动的所有投票记录
                        var records = await _azureRedis.GetRedisClient(8).HashGetAllAsync($"Vote:Record:{vote.id}");
                        //获取投票活动的选项及投票数
                        var counts = _azureRedis.GetRedisClient(8).SortedSetRangeByScoreWithScores($"Vote:Count:{vote.id}");
                        List<dynamic> countcds = new List<dynamic>();
                        if (counts != null && counts.Length > 0)
                        {
                            foreach (var count in counts)
                            {
                                countcds.Add(new { code = count.Element.ToString(), count = (int)count.Score });
                            }
                        }
                        List<Task<string>> tasks = new List<Task<string>>();
                        List<VoteRecord> recordsBlob = new List<VoteRecord>();
                        foreach (var rcd in records)
                        {
                            var value = rcd.Value.ToString().ToObject<VoteRecord>();
                            recordsBlob.Add(value);
                        }
                        //分组每个人的 
                        var gp = recordsBlob.GroupBy(x => x.userid).Select(x => new { key = x.Key, list = x.ToList() });
                        foreach (var g in gp)
                        {
                            tasks.Add(_azureStorage.UploadFileByContainer(vote.blobcntr, g.list.ToJsonString(), "vote", $"{vote.id}/urecord/{g.key}.json"));
                        }
                        //处理活动方的记录, 
                        string url = $"/vote/{vote.id}/record.json";
                        tasks.Add(_azureStorage.UploadFileByContainer(vote.blobcntr, new { options = countcds, records = recordsBlob }.ToJsonString(), "vote", $"{vote.id}/record.json"));
                        //处理投票者的记录

                        if (string.IsNullOrEmpty(vote.recordUrl))
                        {
                            vote.recordUrl = url;
                            await client.GetContainer("TEAMModelOS", "Common").ReplaceItemAsync<Vote>(vote, vote.id, new Azure.Cosmos.PartitionKey(vote.code));
                        }
                        else {
                            //异动，且已经有结算记录则不必再继续。
                            _azureRedis.GetRedisClient(8).KeyDelete($"Vote:Record:{vote.id}");
                            _azureRedis.GetRedisClient(8).KeyDelete($"Vote:Count:{vote.id}");
                            break; 
                        }
                        await Task.WhenAll(tasks);
                        data.progress = "finish";
                        //更新结束状态
                        if (vote.scope == "school")
                        {
                            await client.GetContainer("TEAMModelOS", "School").ReplaceItemAsync<ActivityData>(data, data.id, new Azure.Cosmos.PartitionKey(data.code));
                        }
                        else if (vote.scope == "private")
                        {
                            await client.GetContainer("TEAMModelOS", "Teacher").ReplaceItemAsync<ActivityData>(data, data.id, new Azure.Cosmos.PartitionKey(data.code));
                        }
                        
                        break;
                }
            }
           
        }
    }
}