using Dlhis.Entity.Device.Entities;
using Dlhis.Entity.Device.Enums;
using Kurisu.AspNetCore.Utils.Extensions;
using Kurisu.Core.DataAccess.Entity;
using Kurisu.SqlSugar.Services;
using SqlSugar;
using System.Linq.Expressions;

namespace Dlhis.ScheduledTask.CommonJobs;

public class CancelDuplicationTaskJob
{
    private readonly IServiceProvider _serviceProvider;
    private readonly ILogger<CancelDuplicationTaskJob> _logger;

    public CancelDuplicationTaskJob(IServiceProvider serviceProvider, ILogger<CancelDuplicationTaskJob> logger)
    {
        _serviceProvider = serviceProvider;
        _logger = logger;
    }

    public async Task RunAsync()
    {
        _logger.LogInformation("抵消任务开始处理");

        using (var scope = _serviceProvider.CreateScope())
        {
            var optionService = scope.ServiceProvider.GetService<ISqlSugarOptionsService>();
            var db = scope.ServiceProvider.GetService<IDbContext>();

            db.Client.QueryFilter.ClearAndBackup<ITenantId>();
            optionService.IgnoreTenant = true;
            try
            {
                //人员下发任务相关
                var taskTypes = new List<DeviceTaskEnumType>() { DeviceTaskEnumType.Add, DeviceTaskEnumType.Delete, DeviceTaskEnumType.Update };

                var deviceTasks = await db.Queryable<DeviceTaskEntity>()
                              .Where(x => x.Status == DeviceTaskStatusEnumType.Wait)//没有被获取
                              .Where(x => taskTypes.Contains(x.Type))
                              .OrderBy(x => x.CreateTime, OrderByType.Desc)
                              .ToListAsync();

                var groupData = deviceTasks.GroupBy(x => new { x.TenantId, x.UserNo, x.DeviceUniqueNo });
                foreach (var deviceTaskPack in groupData)
                {
                    var uniqueInfo = deviceTaskPack.Key;
                    var data = deviceTaskPack.ToList();


                    foreach (var item in data)
                    {
                        try
                        {
                            Expression<Func<DeviceTaskEntity, bool>> where = LinqExpressionExtension.False<DeviceTaskEntity>();
                            var ignoreData = new List<IdVersion>();
                            //最新一条更新人员信息
                            if (item.Type == DeviceTaskEnumType.Update && item.Status == DeviceTaskStatusEnumType.Wait)
                            {
                                //获取过往的更新人员任务
                                ignoreData = data.Where(x => x.Type == DeviceTaskEnumType.Update)
                                                    .Where(x => x.Status == DeviceTaskStatusEnumType.Wait)
                                                    .Where(x => x.Id != item.Id)
                                                    .Where(x => item.CreateTime > x.CreateTime)
                                                    .Select(x => new IdVersion { Id = x.Id, Version = x.Version }).ToList();
                            }
                            //最新一条删除人员信息
                            else if (item.Type == DeviceTaskEnumType.Delete && item.Status == DeviceTaskStatusEnumType.Wait)
                            {
                                //存在成功下发的任务,此处可以直接把其他任务取消
                                if (await db.Queryable<DeviceTaskEntity>().Where(x => x.UserNo == item.UserNo)
                                    .Where(x => x.DeviceUniqueNo == item.DeviceUniqueNo)
                                    .Where(x => x.TenantId == item.TenantId).Where(x => x.Status == DeviceTaskStatusEnumType.Success).AnyAsync())
                                {
                                    ignoreData.AddRange(data.Where(x => x.Type == DeviceTaskEnumType.Add
                                                       || x.Type == DeviceTaskEnumType.Delete
                                                       || x.Type == DeviceTaskEnumType.Update)
                                                       .Where(x => x.Status == DeviceTaskStatusEnumType.Wait)
                                                       .Where(x => x.Id != item.Id)
                                                       .Where(x => item.CreateTime > x.CreateTime)
                                                       .Select(x => new IdVersion { Id = x.Id, Version = x.Version })
                                   );
                                }
                                else
                                {
                                    var currentIds = new List<long> { item.Id };
                                    var beforeTask = data.Where(x => x.Type == DeviceTaskEnumType.Add || x.Type == DeviceTaskEnumType.Update)
                                           .Where(x => !currentIds.Contains(x.Id))
                                           .Where(x => x.Status == DeviceTaskStatusEnumType.Wait)
                                           .Where(x => item.CreateTime > x.CreateTime)
                                           .FirstOrDefault();

                                    //逻辑正确,最终beforeTask.type == DeviceTaskEnumType.Add
                                    while (beforeTask != null && beforeTask.Type == DeviceTaskEnumType.Update)
                                    {
                                        ignoreData.Add(new IdVersion() { Id = beforeTask.Id, Version = beforeTask.Version });
                                        currentIds.Add(beforeTask.Id);

                                        beforeTask = data.Where(x => x.Type == DeviceTaskEnumType.Add || x.Type == DeviceTaskEnumType.Update)
                                           .Where(x => !currentIds.Contains(x.Id))
                                           .Where(x => x.Status == DeviceTaskStatusEnumType.Wait)
                                           .Where(x => item.CreateTime > x.CreateTime)
                                           .FirstOrDefault();
                                    }

                                    if (beforeTask != null)
                                    {
                                        ignoreData.Add(new IdVersion() { Id = beforeTask.Id, Version = beforeTask.Version });
                                        ignoreData.Add(new IdVersion() { Id = item.Id, Version = item.Version });
                                    }
                                }
                            }

                            if (ignoreData.Any())
                            {
                                ignoreData.ForEach(p =>
                                {
                                    where = where.Or(x => x.Id == p.Id && x.Version == p.Version && x.Status == DeviceTaskStatusEnumType.Wait);
                                });

                                await db.Updateable<DeviceTaskEntity>()
                                        .SetColumns(x => x.Version == x.Version + 1)
                                        .SetColumns(x => x.Status == DeviceTaskStatusEnumType.Cancel)
                                        .SetColumns(x => x.CancellationId == item.Id)
                                        .SetColumns(x => x.ModifiedTime == DateTime.Now)
                                        .Where(where)
                                        .ExecuteCommandAsync();

                                data.ForEach(x =>
                                {
                                    if (ignoreData.Any(p => p.Id == x.Id))
                                        x.Status = DeviceTaskStatusEnumType.Cancel;
                                });
                            }
                        }
                        catch (Exception ex)
                        {
                            _logger.LogError(ex, "抵消处理异常:{message}", ex.Message);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "抵消处理异常:{message}", ex.Message);
            }
            finally
            {
                db.Client.QueryFilter.Restore();
                optionService.IgnoreTenant = false;
            }
        }


        _logger.LogInformation("抵消任务处理完成");
    }

    class IdVersion
    {
        public long Id { get; set; }
        public int Version { get; set; }
    }

}