// Package main demonstrates property and device state subscriptions for all devices.
// Press Ctrl+C to exit.
package main

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

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

func main() {
	ctx := context.Background()

	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()

	devList, err := client.GetDevices(ctx, xiaomi.FilterByOnline())
	if err != nil {
		log.Fatal("获取设备列表失败:", err)
	}
	if len(devList) == 0 {
		log.Fatal("未找到任何在线设备")
	}

	log.Printf("找到 %d 个在线设备，开始订阅...", len(devList))

	for _, dev := range devList {
		did := dev.DID
		name := dev.Name

		// 订阅该设备所有属性
		subID, err := client.SubProp(did, 0, 0,
			func(did string, p *xiaomi.PropertyValue) {
				log.Printf("[%s] siid=%d piid=%d value=%v", name, p.SIID, p.PIID, p.Value)
			})
		if err != nil {
			log.Printf("[%s] 订阅失败: %v", name, err)
		} else {
			log.Printf("[%s] 已订阅 subID=%s", name, subID)
		}

		// 订阅设备在线状态
		if err := client.SubDeviceState(did, func(did string, state xiaomi.DeviceState) {
			log.Printf("[%s] 状态变化: %s", name, state)
		}); err != nil {
			log.Printf("[%s] 状态订阅失败: %v", name, err)
		}
	}

	log.Println("\n按 Ctrl+C 退出...")
	sigCh := make(chan os.Signal, 1)
	signal.Notify(sigCh, os.Interrupt)
	<-sigCh
	log.Println("已退出")
}