using langguanApi.Common.Redis;
using langguanApi.Common.WebSocket;
using langguanApi.Extensions.AutoDI;
using langguanApi.Model.Entity;
using Mapster;
using StackExchange.Redis;

namespace langguanApi.Service
{
    [ServiceInjection(InjectionType.Transient)]
    public class GpsHistoryService : BaseService<GpsHistory>
    {
        private readonly PushService _pushService;
        private IDatabase _redis;
        private IConfiguration _config;
        public GpsHistoryService(IConfiguration config, PushService pushService,
            RedisHelper redisHelper) : base(config, nameof(Model.Entity.GpsHistory))
        {
            _pushService = pushService;
            _redis = redisHelper._database;
            _config = config;
        }
        /// <summary>
        /// 新加gps历史记录
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task AddGpsHistory(GpsHistoryDTO input)
        {
            var entity = input.Adapt<GpsHistory>();
            var redisKey = RedisKeylist.GetBatchid(entity.DeviceId);
            ///如果redis中不存在该设备的批次号，则生成一个批次号
            if (!await _redis.KeyExistsAsync(redisKey))
            {
                int time = _config.GetValue<int>("BatchId");
                long utc = DateTime.UtcNow.Ticks;
                await _redis.StringSetAsync(redisKey, utc, TimeSpan.FromMinutes(time));
            }
            else
            {
                //如果存在了，就把批次号延期30分钟
                await _redis.KeyExpireAsync(redisKey, TimeSpan.FromMinutes(30));
            }
            entity.BatchId = (long)await _redis.StringGetAsync(redisKey);
            await base.CreateAsync(entity);
            await _pushService.SendMessageToAll(new
            {
                entity.Lat,
                entity.DeviceId,
                entity.Lon,
                entity.BatchId
            });
        }
    }
}