// Package main demonstrates full air conditioner control.
// 运行前提：已配置环境变量 XIAOMI_CLIENT_ID / XIAOMI_CLIENT_SECRET / XIAOMI_ACCESS_TOKEN。
package main

import (
	"context"
	"log"
	"time"

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

func main() {
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	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(ctx, 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(ctx, targetDID)
	if err != nil {
		log.Fatalf("获取设备 %s 失败: %v", targetDID, err)
	}

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

	log.Printf("空调: %s (DID: %s, 型号: %s)", info.Name, info.DID, info.Model)

	on, _ := ac.IsOn(ctx)
	modeName, _ := ac.GetMode(ctx)
	targetTemp, _ := ac.GetTargetTemp(ctx)
	currentTemp, _ := ac.GetCurrentTemp(ctx)
	fanName, _ := ac.GetFanSpeed(ctx)
	swingName, _ := ac.GetSwing(ctx)
	log.Printf("当前状态: on=%v mode=%s target=%.1f current=%.1f fan=%s swing=%s",
		on, modeName, targetTemp, currentTemp, fanName, swingName)

	log.Println("=== 执行控制: 开 -> 制冷 -> 26度 -> 自动风速 -> 垂直摆风 ===")

	if !on {
		log.Println("  开启空调...")
		ac.TurnOn(ctx)
		time.Sleep(500 * time.Millisecond)
	}

	log.Println("  设置制冷模式...")
	ac.SetMode(ctx, devices.ACModeCool)
	log.Println("  设置目标温度 26度...")
	ac.SetTargetTemp(ctx, 26.0)
	log.Println("  设置自动风速...")
	ac.SetFanSpeed(ctx, devices.ACFanAuto)
	log.Println("  设置垂直摆风...")
	ac.SetSwing(ctx, devices.ACSwingVertical)

	time.Sleep(1 * time.Second)

	modeName, _ = ac.GetMode(ctx)
	targetTemp, _ = ac.GetTargetTemp(ctx)
	currentTemp, _ = ac.GetCurrentTemp(ctx)
	fanName, _ = ac.GetFanSpeed(ctx)
	swingName, _ = ac.GetSwing(ctx)
	log.Printf("更新后状态: mode=%s target=%.1f current=%.1f fan=%s swing=%s",
		modeName, targetTemp, currentTemp, fanName, swingName)

	log.Println("设置目标湿度 50...")
	if err := ac.SetTargetHumidity(ctx, 50); err != nil {
		log.Printf("  设置湿度失败（可能不支持）: %v", err)
	} else {
		humidity, _ := ac.GetTargetHumidity(ctx)
		curHumidity, _ := ac.GetCurrentHumidity(ctx)
		log.Printf("  湿度: target=%d current=%d", humidity, curHumidity)
	}

	log.Println("关闭电辅热...")
	ac.SetAuxHeat(ctx, false)
	log.Println("开启节能模式...")
	ac.SetEco(ctx, true)

	subID, err := ac.OnPropsChanged(func(props devices.ACProps, changed string) {
		log.Printf("空调状态变化: %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("订阅状态失败: %v", err)
	} else {
		log.Printf("已订阅空调状态: subID=%s", subID)
	}

	log.Println("空调控制演示完毕")
}