// backend\server.go

package main

import (
	"context"
	"fmt"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"
)

// --- main ---
func main() {
	loadSettings()

	fixKeepRootFilesIntoModelSubdirs()
	postWorkQ.StartWorkers(1)
	startPostWorkStatusRefresher()

	go startGeneratedGarbageCollector()

	// ✅ NSFW-ONNX Detector initialisieren
	if err := initNSFWDetector(); err != nil {
		fmt.Println("❌ NSFW-ONNX Fehler:", err)
		os.Exit(1)
	}
	defer func() {
		_ = closeNSFWDetector()
	}()

	mux := http.NewServeMux()

	auth, err := NewAuthManager()
	if err != nil {
		fmt.Println("❌ auth init:", err)
		_ = closeNSFWDetector()
		os.Exit(1)
	}

	store := registerRoutes(mux, auth)

	go startChaturbateOnlinePoller(store)
	go startChaturbateAutoStartWorker(store)
	go startMyFreeCamsAutoStartWorker(store)
	go startDiskSpaceGuard()

	if _, err := ensureCoversDir(); err != nil {
		fmt.Println("⚠️ covers dir:", err)
	}

	fmt.Println("🌐 HTTP-API aktiv: http://localhost:9999")

	handler := withCORS(mux)
	srv := &http.Server{
		Addr:    ":9999",
		Handler: handler,
	}

	// Shutdown-Signale
	stopSig := make(chan os.Signal, 1)
	signal.Notify(stopSig, os.Interrupt, syscall.SIGTERM)

	go func() {
		<-stopSig
		fmt.Println("🛑 Beende Server...")

		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
		defer cancel()

		_ = srv.Shutdown(ctx)
		_ = closeNSFWDetector()
	}()

	if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
		fmt.Println("❌ HTTP-Server Fehler:", err)
		_ = closeNSFWDetector()
		os.Exit(1)
	}

	_ = closeNSFWDetector()
}