using CoreCms.Net.IServices;

using SqlSugar;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CoreCms.Net.Task
{
    /// <summary>
    /// 预约定时清理
    /// </summary>
    public class SQReservationJob
    {
        private readonly ISQReservationsServices _reservationsServices;
        private readonly ISQReservationParticipantsServices _participantsServices;
        public SQReservationJob(ISQReservationsServices reservationsServices,
            ISQReservationParticipantsServices participantsServices)
        {
            _reservationsServices = reservationsServices;
            _participantsServices = participantsServices;
        }

        public async System.Threading.Tasks.Task Execute()
        {

            Console.WriteLine("SQReservationJob");
            var now = DateTime.Now;
            Console.WriteLine("将已到结束时间的预约置为已结束（3）");
            // 1) 将已到结束时间的预约置为已结束（3）
            var endedList = await _reservationsServices.QueryListByClauseAsync(
                r => r.status == 2 && r.end_time <= now,
                r => r.id, OrderByType.Asc);
            if (endedList != null && endedList.Count > 0)
            {
                foreach (var item in endedList)
                {
                    item.status = 3;
                    item.updated_at = now;
                }
                await _reservationsServices.UpdateAsync(endedList);
            }
            Console.WriteLine("将开始时间已到且未结束的预约置为进行中");
            // 2) 将开始时间已到且未结束的预约置为进行中（2）
            var startedList = await _reservationsServices.QueryListByClauseAsync(
                r => r.status == 1 && r.start_time <= now && r.end_time > now,
                r => r.id, OrderByType.Asc);
            if (startedList != null && startedList.Count > 0)
            {
                foreach (var item in startedList)
                {
                    item.status = 2;
                    item.updated_at = now;
                }
                await _reservationsServices.UpdateAsync(startedList);
            }

            // 3) 开始前30分钟内，人数已凑齐则置为锁定（1）
            Console.WriteLine("开始前30分钟内，人数已凑齐则置为锁定（1）");
            var threshold = now.AddMinutes(30);
            var toLockList = await _reservationsServices.QueryListByClauseAsync(
                r => r.status == 0 && r.start_time > now && r.start_time <= threshold,
                r => r.id, OrderByType.Asc);
            if (toLockList != null && toLockList.Count > 0)
            {
                foreach (var item in toLockList)
                {
                    // 当前有效参与人数（未退出）
                    var count = await _participantsServices.GetCountAsync(p => p.reservation_id == item.id && p.status == 0);
                    if (count >= item.player_count)
                    {
                        item.status = 1;
                        item.updated_at = now;
                    }
                }
                // 仅更新被修改的项
                var changed = toLockList.Where(x => x.status == 1).ToList();
                if (changed.Count > 0)
                {
                    await _reservationsServices.UpdateAsync(changed);
                }
            }

        }
    }
}