// Package main demonstrates AirConditioner.OnPropsChanged subscription.
// 运行后等待状态变化，Ctrl+C 退出。
package main

import (
	"context"
	"log"
	"os"
	"os/signal"

	"xiaomihome/xiaomi"
	"xiaomihome/xiaomi/devices"
	miotconfig "xiaomihome/miot/examples/config"
)

func main() {
	cfg, err := miotconfig.LoadConfig("../../../miot/examples/config.json")
	if err != nil {
		log.Fatal("请先运行 miot/examples/cloud_oauth 获取 token:", err)
	}

	client, err := xiaomi.NewClient(context.Background(), xiaomi.Config{
		AuthInfo: xiaomi.AuthInfo{
			AccessToken:  cfg.AuthInfo.AccessToken,
			RefreshToken: cfg.AuthInfo.RefreshToken,
			ExpiresIn:    int32(cfg.AuthInfo.ExpiresIn),
			ExpiresTS:    cfg.AuthInfo.ExpiresTS,
		},
		DataDir: "./data",
		UUID:    cfg.UUID,
		UID:     cfg.UID,
	})
	if err != nil {
		log.Fatal(err)
	}
	defer client.Close()

	const targetDID = "2053225728"
	info, err := client.GetDevice(context.Background(), targetDID)
	if err != nil {
		log.Fatalf("获取设备 %s 失败: %v", targetDID, err)
	}
	log.Printf("设备: %s (DID: %s, 型号: %s)", info.Name, info.DID, info.Model)

	ac, err := devices.NewAirConditioner(client, info)
	if err != nil {
		log.Fatal("创建 AirConditioner 失败:", err)
	}

	// 先查一次当前状态
	on, _ := ac.IsOn(context.Background())
	log.Printf("初始状态: on=%v", on)

	// 订阅状态变化
	subID, err := ac.OnPropsChanged(func(props devices.ACProps, changed string) {
		log.Printf("[%s] on=%v mode=%s target=%.1f current=%.1f fan=%s swing=%s",
			changed, props.On, props.Mode, props.TargetTemperature, props.Temperature,
			props.FanLevel, props.Swing)
	})
	if err != nil {
		log.Printf("订阅失败: %v", err)
	} else {
		log.Printf("已订阅: subID=%s", subID)
	}

	log.Println("\n等待状态变化，Ctrl+C 退出...")
	ch := make(chan os.Signal, 1)
	signal.Notify(ch, os.Interrupt)
	<-ch
	log.Println("退出")
}