using System.Text;
using BSI.Stack.Rabbit;
using DotNetCore.CAP;
using SJZY.Expand.ABP.Core.Logger;
using SJZY.Expand.ABP.Core.PublicMethords;
using SJZY.Track.Application.Contract.Dtos.ProvideServices;
using SJZY.Track.Application.Contract.Events;
using SJZY.Track.Domain.Aggregates.OrderAggregate;
using SJZY.Track.Domain.Aggregates.TrackContentAggregate;
using SJZY.Track.Domain.Aggregates.TrackDetailsAggregate;
using SJZY.Track.Domain.Aggregates.TrackStatusAggregate;
using SJZY.Track.Domain.Enums;
using SJZY.Track.Domain.Queries;
using Volo.Abp.DependencyInjection;

namespace SJZY.Track.Application.CAP.EventHandlers;

public class TrackDeleteEventHandler : ITransientDependency, ICapSubscribe
{
    private readonly ICapPublisher _capPublisher;
    private readonly IOrderRepository _orderRepository;
    private readonly ITrackStatusRepository _trackStatusRepository;
    private readonly ITrackContentRepository _trackContentRepository;
    private readonly IProvideQueries _provideQueries;
    private readonly ITrackDetailsEsRepository _trackDetailsEsRepository;
    private readonly RabbitClientBus _rabbitClientBus;
    private readonly IOrderOperationRecordEsRepository _orderOperationRecordEsRepository;

    public TrackDeleteEventHandler(IProvideQueries provideQueries,
        IOrderRepository orderRepository, ICapPublisher capPublisher,
        ITrackDetailsEsRepository trackDetailsEsRepository,
        RabbitClientBus rabbitClientBus,
        ITrackStatusRepository trackStatusRepository,
        ITrackContentRepository trackContentRepository,
        IOrderOperationRecordEsRepository orderOperationRecordEsRepository)
    {
        _provideQueries = provideQueries;
        _orderRepository = orderRepository;
        _capPublisher = capPublisher;
        _trackDetailsEsRepository = trackDetailsEsRepository;
        _rabbitClientBus = rabbitClientBus;
        _trackStatusRepository = trackStatusRepository;
        _trackContentRepository = trackContentRepository;
        _orderOperationRecordEsRepository = orderOperationRecordEsRepository;
    }

    [CapSubscribe(GlobalConst.TrackDeleteSubscribe, Group = GlobalConst.TrackDeleteSubscribe)]
    public async Task ConsumerAsync(TrackDeleteEvent @event)
    {
        if (!CanDelete(@event)) return;

        var trackList = await DeleteTrackAsync(@event);

        //发布事件
        await PublicTrackTopicAsync(@event, trackList);

        // 根据订单关联关系异步向下刷（异步）
        await DownByOrderLink(@event);
    }

    private async Task DownByOrderLink(TrackDeleteEvent @event)
    {
        var linkedOrders = await _orderRepository.GetLinkedOrdersAsync(@event.OrderIds);
        foreach (var orderId in @event.OrderIds)
        {
            foreach (var group in linkedOrders.Where(x => x.OwnerOrderId == orderId)
                         .GroupBy(x => x.SubSystemId))
            {
                var nextEvent = @event.DeepCopy();
                nextEvent.Visited.AddRange(@event.OrderIds);
                nextEvent.TrackIdentifiers = @event.TrackIdentifiers;
                nextEvent.SubSystemId = group.Key;

                // 不同子系统需要做内容映射
                if (@event.SubSystemId != nextEvent.SubSystemId)
                {
                    var codeMaps = await _provideQueries
                        .GetTrackCodeMapsAsync(@event.SubSystemId, nextEvent.SubSystemId,
                            @event.TrackIdentifiers.Select(x => x.TrackCode).ToArray());

                    if (codeMaps.Count == 0)
                    {
                        LogHelper.Warn($"订单跨子系统，未配置内容映射，请联系管理员：{@event}", true);
                        continue;
                    }

                    //映射轨迹code
                    foreach (var trackIdentity in nextEvent.TrackIdentifiers)
                    {
                        var match = codeMaps.FirstOrDefault(x => x.MapTrackContentCode == trackIdentity.TrackCode);
                        if (match == null) continue;
                        trackIdentity.TrackCode = match.TrackContentCode;
                    }
                }

                var identifiers = group.Select(x => x.OrderId).ToList();
                var idx = 0;
                while (idx < identifiers.Count)
                {
                    var subEvent = nextEvent.DeepCopy();
                    var cnt = idx + GlobalConst.ChunkSize > identifiers.Count
                        ? identifiers.Count - idx
                        : GlobalConst.ChunkSize;
                    subEvent.OrderIds = identifiers.GetRange(idx, cnt).ToArray();
                    idx += GlobalConst.ChunkSize;

                    await _capPublisher.PublishAsync(GlobalConst.TrackDeleteSubscribe, subEvent);
                }
            }
        }
    }

    private bool CanDelete(TrackDeleteEvent @event)
    {
        if (@event.OrderIds == null)
            return true;

        // 订单循环关联检测
        var dup = @event.Visited.Intersect(@event.OrderIds).ToArray();
        if (dup.Any())
        {
            LogHelper.Warn($"删除轨迹时，发现循环依赖：{dup.JoinAsString(",")}", true);
            return false;
        }

        return true;
    }

    private async Task PublicTrackTopicAsync(TrackDeleteEvent eto, List<TrackDetailsIndex> trackList)
    {
        if (trackList == null)
            return;

        var statusList = await _trackStatusRepository.GetListAsync(m => m.SubSystemId == eto.SubSystemId);
        if (statusList == null)
            return;

        var contentList = await _trackContentRepository.GetTrackContentBySyetemIdAsync(eto.SubSystemId);
        if (contentList == null)
            return;

        foreach (var dataItem in trackList.GroupBy(m => new
        {
            m.TrackCode,
            m.OrderNo
        }))
        {
            var item = dataItem.First();
            var status = statusList.FirstOrDefault(m => m.Code == item.TrackStatusCode);
            if (status == null || !status.IsToMq)
                continue;

            var content = contentList.FirstOrDefault(m => m.TrackContentCode == item.TrackCode);

            var data = new TrackChangeEto()
            {
                OrderIdentifiers = dataItem.Select(m => new OrderIdentifier
                {
                    OrderId = m.OrderId,
                    OrderNo = m.OrderNo,
                    OrderType = m.OrderType
                }).ToArray(),
                TrackStatusCode = item.TrackStatusCode,
                TrackCode = item.TrackCode,
                OperationMan = eto.OperationMan,
                SubSystemId = eto.SubSystemId,
                Option = 2
            };

            _rabbitClientBus.Publish(GlobalConst.TrackChangeExchange, $"TrackChange.{content.SubSystemCode}", Encoding.UTF8.GetBytes(data.ToJson()));
        }
    }

    private async Task<List<TrackDetailsIndex>> DeleteTrackAsync(TrackDeleteEvent @event)
    {
        List<int> orderIds;
        List<TrackDetailsIndex> tracks;
        List<TrackDetailsIndex> deleteTracks;
        if (@event.EsIds != null && @event.EsIds.Any()) //根据明确的esid进行删除
        {
            deleteTracks = await _trackDetailsEsRepository.GetDataByIds(@event.EsIds);
            orderIds = deleteTracks.Select(m => m.OrderId).Distinct().ToList();
            @event.OrderIds = orderIds.ToArray();
            @event.TrackIdentifiers = deleteTracks.Select(x => new TrackIdentifierDto
            {
                TrackCode = x.TrackCode,
                TrackTime = x.TrackTime
            }).ToList();

            // 外部api获取的轨迹不允许删除
            if (deleteTracks.Any(m => m.Source == TrackSourceEnum.ExternalServiceProvide.GetHashCode()))
                return deleteTracks;

            //查出订单下的所有轨迹，以供后面回退使用
            tracks = await _trackDetailsEsRepository.GetListAsync(@event.OrderIds);

            // 删除轨迹
            foreach (var item in deleteTracks)
            {
                await _trackDetailsEsRepository.DeleteTrackByIdAsync(item.Id, item.IndexName);
            }

            //清理已经删除过的esid
            @event.EsIds = Array.Empty<string>();
        }
        else //原有逻辑，根据轨迹code和订单进行删除
        {
            //根据订单查询出所有的轨迹，查所有是因为主单上需要进行回退更新
            tracks = await _trackDetailsEsRepository.GetListAsync(@event.OrderIds);

            //构建标识符集合
            var ids = @event.TrackIdentifiers.Select(x => $"{x.TrackCode}{x.TrackTime:G}").ToList();
            //根据标识符选出要删除的轨迹明细
            deleteTracks = tracks.Where(x => ids.Contains($"{x.TrackCode}{x.TrackTime:G}")).ToList();

            if (deleteTracks.Count == 0) return deleteTracks;

            foreach (var track in deleteTracks)
            {
                await _trackDetailsEsRepository.DeleteTrackByIdAsync(track.Id, track.IndexName);
            }

            //从被删除轨迹寻找订单id，稍后会更新订单主表
            orderIds = deleteTracks.Select(m => m.OrderId).Distinct().ToList();
        }

        //排除掉已经删除的轨迹
        tracks = tracks.Except(deleteTracks).ToList();

        var orders = await _orderRepository.GetListAsync(x => orderIds.Contains(x.Id),
            x => new OrderEntity
            {
                Id = x.Id,
                LatestTrackContent = x.LatestTrackContent,
                LatestTrackEnContent = x.LatestTrackEnContent,
                LatestTrackPlace = x.LatestTrackPlace,
                LatestTrackTime = x.LatestTrackTime,
                LatestTrackTimeZone = x.LatestTrackTimeZone,
                EstimatedDeliveryDate = x.EstimatedDeliveryDate,
                DestinationTimeZone = x.DestinationTimeZone
            });
        if (orders.Count == 0) return tracks;

        foreach (var order in orders)
        {
            //找到最新的轨迹数据
            var track = tracks?.OrderByDescending(x => x.TrackTime)
                .FirstOrDefault(x => x.OrderId == order.Id);

            // 删除全部轨迹导致的重置行为
            if (track == default)
            {
                if (order.LatestTrackTime == null) continue;

                // tips：订单是支持从已完成态到未完成态的
                order.ResetTrackInfo();
            }
            else
            {
                if (order.LatestTrackContent == track.TrackContent) continue;
                // 删除引发的回退更新
                order.LatestTrackContent = track.TrackContent;
                order.LatestTrackEnContent = track.TrackEnContent;
                order.LatestTrackPlace = track.TrackPlace;
                order.LatestTrackTime = track.TrackTime;
                order.LatestTrackTimeZone = track.TrackTimeZone;
                order.EstimatedDeliveryDate = track.EstimatedDeliveryDate;
                order.DestinationTimeZone = track.DestinationTimeZone;
            }


            // 写入操作日志
            _ = _orderOperationRecordEsRepository.AddAsync(new OrderOperationRecordIndex
            {
                OrderId = order.Id,
                OrderNo = order.OrderNo,
                OptionType = OrderOperationType.删除轨迹.ToString(),
                Content = deleteTracks?.Where(m => m.OrderId == order.Id).ToList().ToJson(),
                CreateUserId = @event.OperationManId,
                CreateUserName = @event.OperationMan ?? "",
                CreateTime = DateTime.Now
            });
        }

        await _orderRepository.UpdateRangeAsync(orders,
            x => new
            {
                x.LatestTrackContent,
                x.LatestTrackEnContent,
                x.LatestTrackPlace,
                x.LatestTrackTime,
                x.LatestTrackTimeZone,
                x.EstimatedDeliveryDate,
                x.DestinationTimeZone
            });

        return deleteTracks;
    }
}