using MDM.Model.Plant;
using MDM.Services.Plant;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using SqlSugar.IOC;
using System;
using System.Threading;
using System.Threading.Tasks;
namespace MDM.Host
{
    /// <summary>
    /// 应用程序启动时执行的任务服务
    /// </summary>
    public class StartupTaskService : IHostedService
    {
        private readonly ILogger<StartupTaskService> _logger;
        private readonly PlcIoPointCacheService _cacheService;

        public StartupTaskService(ILogger<StartupTaskService> logger, PlcIoPointCacheService cacheService)
        {
            _logger = logger;
            _cacheService = cacheService;
        }

        public Task StartAsync(CancellationToken cancellationToken)
        {
            _logger.LogInformation("应用程序启动，正在执行初始化逻辑...");

            // 在这里写你想要启动时立刻执行的逻辑
            ExecuteStartupLogic();

            return Task.CompletedTask;
        }

        public Task StopAsync(CancellationToken cancellationToken)
        {
            _logger.LogInformation("StartupTaskService 已停止");
            return Task.CompletedTask;
        }

        private void ExecuteStartupLogic()
        {
            // 查询所有启用的点位数据（IsActive == 1）
            var activePoints = DbScoped.SugarScope.CopyNew().Queryable<PlantPlcIoPoint>()
                .Where(p => p.IsActive == 1)
                .ToList();

            _logger.LogInformation($"✅ 从数据库加载到 {activePoints.Count} 条有效的 PlantPlcIoPoint 数据");

            // 将数据存入缓存服务
            _cacheService.InitializeCache(activePoints);

            _logger.LogInformation("📦 PlantPlcIoPoint 数据已成功加载到内存缓存。");
        }
    }
}