feat: refactor routing structure by moving routes to a dedicated package and updating service initialization

internal/http/routes/routes.go

@@ -0,0 +1,72 @@
+package routes
+
+import (
+	"net/http"
+	"tts/internal/config"
+	"tts/internal/http/handlers"
+	"tts/internal/http/middleware"
+	"tts/internal/tts"
+	"tts/internal/tts/microsoft"
+)
+
+// SetupRoutes 配置所有API路由
+func SetupRoutes(cfg *config.Config, ttsService tts.Service) (http.Handler, error) {
+	// 创建一个新的路由多路复用器
+	mux := http.NewServeMux()
+
+	// 创建处理器
+	ttsHandler := handlers.NewTTSHandler(ttsService, cfg)
+	voicesHandler := handlers.NewVoicesHandler(ttsService)
+
+	// 创建页面处理器
+	pagesHandler, err := handlers.NewPagesHandler("./web/templates", cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	// 设置主页路由
+	mux.HandleFunc("/", pagesHandler.HandleIndex)
+
+	// 设置API文档路由
+	mux.HandleFunc("/api-doc", pagesHandler.HandleAPIDoc)
+
+	// 设置TTS API路由 - 添加认证中间件
+	ttsHandlerFunc := http.HandlerFunc(ttsHandler.HandleTTS)
+	authenticatedTTSHandler := middleware.TTSAuth(cfg.TTS.ApiKey, ttsHandlerFunc)
+	mux.Handle("/tts", authenticatedTTSHandler)
+
+	// 设置语音列表API路由
+	mux.HandleFunc("/voices", voicesHandler.HandleVoices)
+
+	// 创建OpenAI兼容接口的处理器，添加验证中间件
+	openAIHandler := http.HandlerFunc(ttsHandler.HandleOpenAITTS)
+	authenticatedHandler := middleware.OpenAIAuth(cfg.OpenAI.ApiKey, openAIHandler)
+
+	// 应用OpenAI兼容的路由
+	mux.Handle("/v1/audio/speech", authenticatedHandler)
+	mux.Handle("/audio/speech", authenticatedHandler)
+
+	// 设置静态文件服务
+	fs := http.FileServer(http.Dir("./web/static"))
+	mux.Handle("/static/", http.StripPrefix("/static/", fs))
+
+	// 应用基础路径前缀
+	var handler http.Handler = mux
+	if cfg.Server.BasePath != "" {
+		handler = http.StripPrefix(cfg.Server.BasePath, mux)
+	}
+
+	// 应用中间件
+	handler = middleware.Logger(handler) // 日志中间件
+	handler = middleware.CORS(handler)   // CORS中间件
+
+	return handler, nil
+}
+
+// InitializeServices 初始化所有服务
+func InitializeServices(cfg *config.Config) (tts.Service, error) {
+	// 创建Microsoft TTS客户端
+	ttsClient := microsoft.NewClient(cfg)
+
+	return ttsClient, nil
+}