using LY.App.Common.Redis;
using LY.App.Device;
using LY.App.Model;
using LY.App.Service;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using StackExchange.Redis;
using System.Reactive.Joins;

namespace LY.App.Controllers
{
    /// <summary>
    /// 首页控制器
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class HomeController : ControllerBase
    {
        private readonly DeviceService _deviceService;
        private readonly DeviceManager deviceManager = DeviceManager.Instance;
        private readonly PositionService _positionService;
        private readonly RedisService _redisService;
        private readonly AlarmService _alarmService;
        private readonly WeatherService _weatherService;
        /// <summary>
        ///     
        /// </summary>
        /// <param name="deviceService"></param>
        /// <param name="positionService"></param>
        /// <param name="redisService"></param>
        /// <param name="alarmService"></param>
        /// <param name="weatherService"></param>
        public HomeController(DeviceService deviceService, PositionService positionService,
            RedisService redisService, AlarmService alarmService, WeatherService weatherService)
        {
            _deviceService = deviceService;
            _positionService = positionService;
            _redisService = redisService;
            _alarmService = alarmService;
            _weatherService = weatherService;
        }
        /// <summary>
        /// 首页
        /// </summary>
        /// <returns></returns>
        [HttpGet("index")]
        public async Task<IActionResult> view()
        {
            ApiResult result = new ApiResult();
            var positions = await _positionService.Index();
            var alarmCount = await _redisService.GetOrSetAsync(RedisKeyList.index_data(),
                   async () => await _alarmService.IndexCount(),
                   TimeSpan.FromSeconds(GetLeftTime()));
            var weather = await _redisService.GetOrSetAsync(RedisKeyList.Index_Weather,
                   async () => await _weatherService.GetWeather(),
            TimeSpan.FromHours(3));

            var data = await GetUserLocation();
            result.data = new
            {
                positions,
                alarmCount,
                weather,
                userLocation = data
            };
            return Ok(result);
        }

        private int GetLeftTime() {
            DateTime now = DateTime.Now;

            // 今天的结束时间 23:59:59
            DateTime endOfDay = new DateTime(now.Year, now.Month, now.Day, 23, 59, 59);
            // 相差时间
            TimeSpan remaining = endOfDay - now;
            // 剩余秒数
           return (int)remaining.TotalSeconds;
        }

        private async Task<List<SyncLocation>> GetUserLocation()
        {
            var keys = await _redisService.GetAllKeysAsync("user_locationbyid_*");
            List<SyncLocation> result = new List<SyncLocation>();
            if (keys.Count > 0)
            {
                foreach (var item in keys)
                {
                    result.Add(await _redisService.GetAsync<SyncLocation>(item));
                }
            }
            return result;
        }

        /// <summary>
        /// 同步移动端位置信息
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("syncLocation")]
        public async Task<IActionResult> SyncLocation(SyncLocation input)
        {
            string key = RedisKeyList.UserLocation(input.userId);
            await _redisService.SetAsync(key, new SyncLocation() { userId = input.userId, lat = input.lat, lon = input.lon }, TimeSpan.FromMinutes(1));
            return Ok(new ApiResult());
        }
    }
}