package main

import (
	"os"
	"os/signal"
	"syscall"

	"laic-backend/cache"
	"laic-backend/common"
	"laic-backend/logger"
	"laic-backend/mqtt"
	"laic-backend/route"
	"laic-backend/service"
	"laic-backend/token"
)

func main() {
	// 1. 初始化日志（先用默认配置，便于后续报错输出）
	logger.InitCustomLog(logger.Level_D, nil, "laic-backend")

	// 2. 加载 config.yaml
	configPath := os.Getenv("LAIC_CONFIG_FILE")
	if configPath == "" {
		configPath = "config.yaml"
	}
	conf := &common.AppConfig{}
	common.LoadConfig(configPath, conf)
	if err := service.InitLiveProvider(conf.Live); err != nil {
		logger.ERROR("直播提供商初始化失败", err)
		panic(err)
	}
	setLogLevel(conf.Log.Level)
	token.Init(conf.JWT.Secret, conf.JWT.AccessExpireH, conf.JWT.RefreshExpireH)

	// 3. 初始化基础设施
	common.InitConnection(&conf.Mysql)
	common.InitTDengine(&conf.TDengine)
	common.InitRedis(conf.Redis)

	// 4. 预热缓存 + 启动遥测批量写入
	cache.WarmUp()
	service.DefaultTelemetryStore.Start()

	// 5. 启动 MQTT（订阅设备上行消息）与 HTTP
	mqtt.InitMQTT(&conf.MQTT)
	service.InitMQTTSubscriber()
	service.DefaultCommandService.StartRetryScanner()
	service.DefaultScheduler.Start()
	route.InitRouter(int32(conf.ApiPort))
	logger.INFO("laic-backend starting on port:", conf.ApiPort)
	common.ServerRun(int32(conf.ApiPort))

	// 5. 优雅退出
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit
}

func setLogLevel(level string) {
	switch level {
	case "info":
		logger.SetLevel(logger.Level_I)
	case "warn":
		logger.SetLevel(logger.Level_W)
	case "error":
		logger.SetLevel(logger.Level_E)
	default:
		logger.SetLevel(logger.Level_D)
	}
}