using DotNetCore.CAP;
using SJZY.Expand.ABP.Core.Logger;
using SJZY.Expand.ABP.Core.PublicMethords;
using SJZY.Track.Application.Contract.Events;
using SJZY.Track.Domain.Aggregates.OrderAggregate;
using SJZY.Track.Domain.Aggregates.TrackDetailsAggregate;
using SJZY.Track.Domain.Queries;
using Volo.Abp.DependencyInjection;
using OrderIdentifier = SJZY.Track.Application.Contract.Events.OrderIdentifier;

namespace SJZY.Track.Application.CAP.EventHandlers;

public class TrackUpsertEventHandler : ITransientDependency, ICapSubscribe
{
    private readonly ICapPublisher _capPublisher;
    private readonly IOrderRepository _orderRepository;
    private readonly IProvideQueries _provideQueries;
    private readonly ITrackDetailsEsRepository _trackDetailsEsRepository;

    public TrackUpsertEventHandler(IOrderRepository orderRepository, ICapPublisher capPublisher,
        IProvideQueries provideQueries, ITrackDetailsEsRepository trackDetailsEsRepository)
    {
        _orderRepository = orderRepository;
        _capPublisher = capPublisher;
        _provideQueries = provideQueries;
        _trackDetailsEsRepository = trackDetailsEsRepository;
    }

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

        var canNextOrderIds = new List<int>();
        await HandleTrackAsync(@event, canNextOrderIds);

        if (canNextOrderIds.Count == 0) return;
        // 根据订单关联关系异步向下刷（异步）
        await DownByOrderLink(@event, canNextOrderIds);
    }

    private async Task DownByOrderLink(TrackUpsertEvent @event, List<int> canNextOrderIds)
    {
        // 根据订单关联关系异步向下刷（异步）
        var linkedOrders = await _orderRepository.GetLinkedOrdersAsync(canNextOrderIds.ToArray());
        foreach (var order in @event.OrderIdentifiers)
        {
            // 理论上小包在这不会分组
            foreach (var group in linkedOrders.Where(x => x.OwnerOrderId == order.OrderId)
                         .GroupBy(x => new
                         {
                             x.SubSystemId,
                             x.CustomId // 这里按客户分组是为了后续的推送方便
                         }))
            {
                var nextEvent = @event.DeepCopy();
                nextEvent.Visited.AddRange(canNextOrderIds);
                nextEvent.SubSystemId = group.Key.SubSystemId;
                nextEvent.CustomId = group.Key.CustomId;
                nextEvent.TrackRefreshData = new TrackRefreshStruct
                {
                    ServiceProviderName = @event.TrackRefreshData.ServiceProviderName,
                    OriginTrackContent = @event.TrackRefreshData.OriginTrackContent,
                    OriginTrackDataHash = @event.TrackRefreshData.OriginTrackDataHash,
                };

                // 不同子系统需要做内容映射
                if (@event.SubSystemId != nextEvent.SubSystemId)
                {
                    var mapCode = (await _provideQueries
                            .MapTrackCodesAsync(@event.SubSystemId, nextEvent.SubSystemId, @event.TrackCode))
                        .FirstOrDefault();

                    if (mapCode == default)
                    {
                        // 跨子系统没做映射的轨迹不处理
                        continue;
                    }

                    nextEvent.TrackCode = mapCode;
                }

                var identifiers = group.Select(x => new OrderIdentifier
                {
                    OrderId = x.OrderId,
                    OrderNo = x.OrderNo,
                    OrderType = x.OrderType,
                }).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.OrderIdentifiers = identifiers.GetRange(idx, cnt).ToArray();
                    idx += GlobalConst.ChunkSize;

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

    private bool CanDelete(TrackUpsertEvent @event)
    {
        // 系统创建的轨迹不允许修改
        if (@event.Visited.IsNullOrEmpty() && @event is { OperationMan: GlobalConst.SystemUser, IsAdd: false })
        {
            LogHelper.Warn($"系统创建的轨迹不允许被修改：{@event}", true);
            return false;
        }

        var orderIds = @event.OrderIdentifiers.Select(x => x.OrderId).ToArray();

        var dup = @event.Visited.Intersect(orderIds).ToArray();
        if (dup.Any())
        {
            LogHelper.Warn($"{(@event.IsAdd ? "添加" : "修改")}轨迹时，发现循环依赖：{dup.JoinAsString(",")}", true);
            return false;
        }

        return true;
    }

    private async Task HandleTrackAsync(TrackUpsertEvent @event, List<int> canNextOrderIds)
    {
        var trackContent = await _provideQueries.GetTrackContentAsync(@event.SubSystemId, @event.TrackCode);

        if (trackContent == null)
        {
            // 找不到轨迹内容，直接结束
            LogHelper.Warn($"找不到轨迹内容：{@event}", true);
            return;
        }

        var orderIds = @event.OrderIdentifiers.Select(x => x.OrderId).ToArray();

        // important：轨迹code相同，时间、发生地不同的，可能存在多条！！
        var tracks = await _trackDetailsEsRepository.GetListAsync(orderIds, @event.TrackCode, true);

        var insertTracks = new List<TrackDetailsIndex>();

        foreach (var order in @event.OrderIdentifiers)
        {
            TrackDetailsIndex? track;
            if (!@event.IsAdd)
            {
                var existTracks = tracks.Where(x => x.OrderId == order.OrderId).ToArray();
                if (existTracks.Length > 1)
                {
                    // 修改轨迹时，订单存在多条轨迹不允许修改
                    continue;
                }

                track = existTracks.FirstOrDefault();

                if (track == null) continue; // 不存在不让改
            }
            else
            {
                track = tracks.FirstOrDefault(x =>
                    x.OrderId == order.OrderId && x.TrackTime == @event.TrackTime && x.TrackPlace == @event.TrackPlace);

                if (track != null) continue; // 存在不让创建
            }

            if (track == default)
            {
                track = new TrackDetailsIndex
                {
                    SubSystemId = @event.SubSystemId,
                    OrderId = order.OrderId,
                    OrderNo = order.OrderNo,
                    OrderType = order.OrderType,
                    TrackCode = @event.TrackCode,
                    TrackPlace = @event.TrackPlace,
                    TrackTime = @event.TrackTime,
                    TrackTimeZone = @event.TrackTimeZone,
                    ServiceProviderName = @event.TrackRefreshData.ServiceProviderName ?? GlobalConst.EmptyString,
                    OriginTrackContent = @event.TrackRefreshData.OriginTrackContent ?? GlobalConst.EmptyString,
                    OriginTrackDataHash = @event.TrackRefreshData.OriginTrackDataHash ?? GlobalConst.EmptyString,
                    CreateUser = @event.OperationMan ?? GlobalConst.SystemUser,
                    CreateTime = DateTime.Now,
                    TrackStatus = trackContent.TrackStatus,
                    TrackContent = trackContent.TrackContent,
                    TrackEnContent = trackContent.TrackEnContent
                };

                track.ZeroTrackTime = Math.Abs(track.TrackTimeZone - GlobalConst.NoneTrackTimeZone) < 1
                    ? track.TrackTime
                    : track.TrackTime.Subtract(TimeSpan.FromHours(track.TrackTimeZone));
                insertTracks.Add(track);
            }
            else
            {
                track.TrackPlace = @event.TrackPlace;
                track.TrackTime = @event.TrackTime;
                track.TrackTimeZone = @event.TrackTimeZone;
                track.ZeroTrackTime = Math.Abs(track.TrackTimeZone - GlobalConst.NoneTrackTimeZone) < 1
                    ? track.TrackTime
                    : track.TrackTime.Subtract(TimeSpan.FromHours(track.TrackTimeZone));
                track.UpdateUser = @event.OperationMan ?? GlobalConst.SystemUser;
                track.UpdateTime = DateTime.Now;

                await _trackDetailsEsRepository.UpdateAsync(track);
            }

            canNextOrderIds.Add(order.OrderId);
        }

        if (canNextOrderIds.Count == 0) return;

        if (insertTracks.Any())
        {
            // 批量add to es
            await _trackDetailsEsRepository.AddManyAsync(insertTracks);

            // add track触发订单拉取状态更新
            await _orderRepository.UpdatePullStatusToSilenceAsync(insertTracks.Select(x => x.OrderId).ToList(),
                @event.TrackCode);
        }

        // 触发订单主表更新事件（异步）
        await _capPublisher.PublishAsync(GlobalConst.TrackChangeAfterUpdateOrderSubscribe,
            new TrackChangeAfterUpdateOrderEvent
            {
                SubSystemId = @event.SubSystemId,
                CustomId = @event.CustomId,
                OrderIds = canNextOrderIds.ToArray(),
                IsCompleted = trackContent.IsCompleted,
                TrackContent = trackContent.TrackContent,
                TrackEnContent = trackContent.TrackEnContent,
                TrackStatusId = trackContent.TrackStatusId,
                TrackPlace = @event.TrackPlace,
                TrackTime = @event.TrackTime,
                TrackTimeZone = @event.TrackTimeZone,
                TrackCode = @event.TrackCode,
                DeficiencyTagValue = @event.DeficiencyTagValue
            });

        // 触发轨迹推送事件（异步）
        var trackPushEvent = new TrackPushEvent
        {
            OptionType = @event.IsAdd ? OptionType.新增 : OptionType.修改,
            SubSystemId = @event.SubSystemId,
            CustomId = @event.CustomId,
            OrderIds = canNextOrderIds.ToArray(),
            TrackCode = @event.TrackCode,
            SystemPushInfo = new SystemPushStruct
            {
                TrackStatus = trackContent.TrackStatus,
                TrackContent = trackContent.TrackContent,
                TrackPlace = @event.TrackPlace,
                TrackTime = @event.TrackTime,
                TrackTimeZone = @event.TrackTimeZone
            }
        };
        await _capPublisher.PublishAsync(GlobalConst.TrackPushSubscribe, trackPushEvent);
    }
}