using SJZY.Expand.ABP.Core.PublicMethords;
using SJZY.Track.Application.Contract.Dtos.Warning;
using SJZY.Track.Application.Contract.Dtos.Warning.Complete;
using SJZY.Track.Application.Contract.Dtos.Warning.Return;
using SJZY.Track.Application.Helpers;
using SJZY.Track.Application.Services.Warning.Handlers;
using SJZY.Track.Application.Services.Warning.Model;
using SJZY.Track.Domain.Aggregates.OrderAggregate;
using SJZY.Track.Domain.Aggregates.TrackDetailsAggregate;
using SJZY.Track.Domain.Aggregates.TrackStatusAggregate;
using SJZY.Track.Domain.Aggregates.WarningAggregate;
using SJZY.Track.Domain.Aggregates.WarningAggregate.Complete;
using SJZY.Track.Domain.Dtos.Warning;
using SJZY.Track.Domain.Enums;
using SJZY.Track.Domain.Extensions;
using SJZY.Track.Domain.Queries;

namespace SJZY.Track.Application.Services.Warning;

/// <summary>
/// 完整预警服务
/// </summary>
[ApiExplorerSettings(GroupName = "预警服务")]
[Route("Warning/Complete")]
public class CompleteWarningService : ApplicationService
{
    private readonly IOrderRepository _orderRepository;
    private readonly IVExternalSubjectQueries _vExternalSubjectQueries;
    private readonly IVSystemQueries _vSystemQueries;
    private readonly IWarningRuleRepository _warningRuleRepository;
    private readonly IWarningDetailsEsRepository _warningDetailsEsRepository;
    private readonly ITrackDetailsEsRepository _trackDetailsEsRepository;
    private readonly ICompleteWarningHandler _completeWarningHandler;
    private readonly ITrackStatusRepository _trackStatusRepository;

    public CompleteWarningService(IWarningRuleRepository warningRuleRepository, IWarningDetailsEsRepository warningDetailsEsRepository, ITrackDetailsEsRepository trackDetailsEsRepository, ICompleteWarningHandler completeWarningHandler, ITrackStatusRepository trackStatusRepository, IOrderRepository orderRepository, IVSystemQueries vSystemQueries, IVExternalSubjectQueries vExternalSubjectQueries)
    {
        _warningRuleRepository = warningRuleRepository;
        _warningDetailsEsRepository = warningDetailsEsRepository;
        _trackDetailsEsRepository = trackDetailsEsRepository;
        _completeWarningHandler = completeWarningHandler;
        _trackStatusRepository = trackStatusRepository;
        _orderRepository = orderRepository;
        _vSystemQueries = vSystemQueries;
        _vExternalSubjectQueries = vExternalSubjectQueries;
    }

    /// <summary>
    /// 获取完整预警规则列表
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("GetCompleteWarningRuleItem")]
    public async Task<UnifyResultDto<List<CompleteWarningRuleItemDto>>> GetCompleteWarningRuleItem(GetCompleteWarningRuleItemInput input)
    {
        var result = await _warningRuleRepository.GetCompleteRuleItemsAsync(input.WarningId);
        if (result.Count == 0)
            return new UnifyResultDto<List<CompleteWarningRuleItemDto>>(true, new List<CompleteWarningRuleItemDto>());

        // todo:缓存优化
        var trackStatusIds = result
            .SelectMany(x =>
            {
                // todo:逻辑优化
                var checkStatusId = x.CheckPointTrackStatusId;
                var requireStatusIds = x.GetRequireTrackStatusIdGroups();
                requireStatusIds.Add(new HashSet<int>(1)
                {
                    checkStatusId
                });
                return requireStatusIds.SelectMany(y => y);
            }).ToHashSet();

        var trackStatusDict = (await _trackStatusRepository.GetListAsync(x => trackStatusIds.Contains(x.Id), x => new
        {
            x.Id,
            x.Status
        })).ToDictionary(x => x.Id, y => y.Status);

        // 查订单类型映射
        var orderTypeDict = await _orderRepository.GetTrackOrderTypeDictAsync();

        var map = result.Select(x => new CompleteWarningRuleItemDto
        {
            Id = x.Id,
            WarningId = x.WarningId,
            OrderTypes = BuildOrderTypes(x),
            CheckPointTrackStatusId = x.CheckPointTrackStatusId,
            CheckPointTrackStatus = trackStatusDict.GetValueOrDefault(x.CheckPointTrackStatusId, GlobalConst.EmptyString),
            RequireTrackStatus = BuildRequireTrackStatus(x),
            NotifyUsers = TextJsonHelper.Deserialize<List<NotifyUserDto>>(x.NotifyUsers)!
        });

        return new UnifyResultDto<List<CompleteWarningRuleItemDto>>(true, map.ToList());

        List<RequireTrackStatusItem> BuildRequireTrackStatus(CompleteWarningRuleItemEntity entity)
        {
            return entity.GetRequireTrackStatusIdGroups()
                .Select(g => new RequireTrackStatusItem
                {
                    Statuses = g.Select(id => new TrackStatusDto
                    {
                        TrackStatusId = id,
                        TrackStatus = trackStatusDict.GetValueOrDefault(id, GlobalConst.EmptyString)
                    }).ToList()
                }).ToList();
        }

        List<OrderTypeDto> BuildOrderTypes(CompleteWarningRuleItemEntity entity)
        {
            return entity.GetRuleOrderTypes()
                .Select(x => new OrderTypeDto
                {
                    OrderType = x,
                    OrderTypeName = orderTypeDict.GetValueOrDefault(x.ToString(), GlobalConst.EmptyString)
                }).ToList();
        }
    }

    /// <summary>
    /// 分页获取完整预警详情
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("GetPageCompleteWarningDetails")]
    public async Task<UnifyPageResultDto<CompleteWarningDetailsDto>> GetPageCompleteWarningDetails(GetPageCompleteWarningDetailsInput input)
    {
        var vo = ObjectMapper.Map<GetPageCompleteWarningDetailsInput, GetPageCompleteWarningDetailsInputVO>(input);
        var result = await _warningDetailsEsRepository.GetPageCompleteWarningDetailsAsync(vo);

        if (result.List.Count == 0)
            return new UnifyPageResultDto<CompleteWarningDetailsDto>(new List<CompleteWarningDetailsDto>(), input.PageIndex, input.PageSize, 0);

        // todo:缓存优化
        var trackStatusIds = result.List
            .SelectMany(x => x.MissingTrackStatusIds.Split(',').Select(int.Parse))
            .ToHashSet();
        var trackStatusDict = (await _trackStatusRepository.GetListAsync(x => trackStatusIds.Contains(x.Id), x => new
        {
            x.Id,
            x.Status
        })).ToDictionary(x => x.Id, y => y.Status);

        // 查最新轨迹
        var orderIds = result.List.Select(x => x.OrderId).ToHashSet();
        var orderIdTrackDict = await _trackDetailsEsRepository.GetLatestDictAsync(orderIds);

        // todo:缓存优化
        // 订单类型
        var orderTypeDict = await _orderRepository.GetTrackOrderTypeDictAsync();
        // 客户简称
        var customIds = result.List.Select(x => x.CustomId).ToHashSet();
        var customDict = (await _vExternalSubjectQueries
            .GetListAsync(x => customIds.Contains(x.Id), x => new
            {
                x.Id,
                x.Abbreviation
            })).ToDictionary(x => x.Id, x => x.Abbreviation);
        // 子系统
        var subSystemIds = result.List.Select(x => x.SubSystemId).ToHashSet();
        var subSystemDict = (await _vSystemQueries
            .GetListAsync(x => subSystemIds.Contains(x.Id), x => new
            {
                x.Id,
                x.CnName
            })).ToDictionary(x => x.Id, x => x.CnName);

        var map = result.List.Select(x =>
        {
            var orderIdTrack = orderIdTrackDict.GetValueOrDefault(x.OrderId);
            return new CompleteWarningDetailsDto
            {
                EsId = x.Id,
                SubSystemId = x.SubSystemId,
                SubSystemName = subSystemDict.GetValueOrDefault(x.SubSystemId, GlobalConst.EmptyString),
                OrderType = x.OrderType,
                OrderTypeName = orderTypeDict.GetValueOrDefault(x.OrderType.ToString(), GlobalConst.EmptyString),
                OrderId = x.OrderId,
                OrderNo = x.OrderNo,
                Status = x.Status,
                CustomId = x.CustomId,
                CustomName = customDict.GetValueOrDefault(x.CustomId, GlobalConst.EmptyString),
                MissingTrackStatus = BuildMissingTrackStatus(x.MissingTrackStatusIds),
                LatestTrackStatus = orderIdTrack?.TrackStatus,
                LatestTrackContent = orderIdTrack?.TrackContent,
                LatestTrackPlace = orderIdTrack?.TrackPlace,
                LatestTrackTime = orderIdTrack?.TrackTime,
                LatestTrackTimeZone = orderIdTrack?.TrackTimeZone,

                NotifyUserNames = ToUserNames(x.NotifyUsers),
                CreateTime = x.CreateTime,
                ProcessedTime = x.ProcessedTime
            };
        });

        // 按状态组+组内时间降序，分割状态组 g1:(待处理) g2:(已处理/已关闭) 确保g1总是在g2之前
        var sorted = map
            .OrderBy(x => x.Status == (int) CompleteWarningStatus.待处理 ? 1 : 2)
            .ThenByDescending(x => x.CreateTime); //同状态组按时间降序;

        return new UnifyPageResultDto<CompleteWarningDetailsDto>(
            sorted.ToList(),
            result.Pagination.PageIndex,
            result.Pagination.PageSize,
            result.Pagination.Total);

        // 通知用户提取用户名称
        string ToUserNames(string notifyUsers)
        {
            if (string.IsNullOrWhiteSpace(notifyUsers))
                return string.Empty;
            return string.Join(',', notifyUsers.ToObject<List<NotifyUserDto>>().Select(x => x.UserName));
        }

        List<TrackStatusDto> BuildMissingTrackStatus(string statusIds)
        {
            var trackStatus = statusIds.Split(',').Select(x =>
            {
                if (!int.TryParse(x, out var id)) return null;

                var trackStatusName = trackStatusDict.GetValueOrDefault(id);
                if (string.IsNullOrWhiteSpace(trackStatusName)) return null;
                return new TrackStatusDto
                {
                    TrackStatusId = id,
                    TrackStatus = trackStatusName
                };
            }).Where(x => x != null);

            return trackStatus.ToList()!;
        }
    }

    /// <summary>
    /// 编辑完整预警规则列表
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("EditCompleteWarningRuleItem")]
    public async Task<UnifyResultDto> EditCompleteWarningRuleItem(EditCompleteWarningRuleItemInput input)
    {
        var rule = await _warningRuleRepository.GetWarningRuleByIdAsync(input.WarningId, WarningRuleType.完整预警);
        if (rule == null)
        {
            throw new BusinessException(message: $"预警规则主体不存在，WarningId=[{input.WarningId}]");
        }

        var bos = CompleteWarningRuleItemBO.From(input);
        await _completeWarningHandler.HandleEditAsync(rule, bos);
        return new UnifyResultDto(true);
    }
}