package main

import (
	"log"
	"net/http"
	"os"
	"os/signal"
	"syscall"

	"github.com/yourname/cyrene-ai/voice-service/internal/config"
	"github.com/yourname/cyrene-ai/voice-service/internal/handler"
	"github.com/yourname/cyrene-ai/voice-service/internal/service"
)

func main() {
	log.SetFlags(log.LstdFlags | log.Lshortfile)
	log.Println("🎤 Voice-Service (STT + TTS) 启动中...")

	// 加载配置
	cfg := config.Load()

	log.Printf("配置: 端口=%s, WhisperBinary=%s, WhisperModel=%s, Language=%s",
		cfg.Port, cfg.WhisperBinary, cfg.WhisperModel, cfg.WhisperLanguage)

	// 初始化 STT 服务
	sttSvc := service.NewSTTService(cfg)

	// 检查 whisper 引擎是否可用
	if !sttSvc.IsAvailable() {
		log.Printf("⚠️  Whisper 引擎未安装 (%s)，STT 功能不可用", cfg.WhisperBinary)
		log.Printf("   请运行: bash scripts/setup-whisper.sh")
	} else {
		log.Println("✅ Whisper 引擎已就绪")
	}

	// 初始化 TTS 服务
	ttsSvc := service.NewTTSService()

	if !ttsSvc.IsAvailable() {
		log.Println("⚠️  TTS 引擎不可用 (请安装: pip install edge-tts)")
	} else {
		ttsStatus := ttsSvc.GetEngineStatus()
		log.Printf("✅ TTS 引擎已就绪 (引擎: %s)", ttsStatus["engine"])
	}

	// 初始化 HTTP 处理器
	sttHandler := handler.NewSTTHandler(sttSvc, cfg)
	sttHandler.SetTTSService(ttsSvc)
	ttsHandler := handler.NewTTSHandler(ttsSvc)

	// 注册路由
	mux := http.NewServeMux()
	sttHandler.RegisterRoutes(mux)
	ttsHandler.RegisterRoutes(mux)

	// 启动 HTTP 服务
	srv := &http.Server{
		Addr:    ":" + cfg.Port,
		Handler: mux,
	}

	go func() {
		log.Printf("🚀 Voice-Service 已启动在端口 %s", cfg.Port)
		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			log.Fatalf("服务启动失败: %v", err)
		}
	}()

	// 优雅关闭
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit
	log.Println("正在关闭 Voice-Service...")
	srv.Close()
	log.Println("Voice-Service 已关闭")
}