package main

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

	middleware "synlotto-website/internal/http/middleware"

	"synlotto-website/internal/platform/config"
	"synlotto-website/internal/platform/csrf"
	"synlotto-website/internal/platform/session"

	"github.com/gin-gonic/gin"
)

func main() {
	cfg, err := config.Load("config.json")
	if err != nil {
		panic(fmt.Errorf("load config: %w", err))
	}

	sessions := session.New(cfg)

	router := gin.New()
	router.Use(gin.Logger(), gin.Recovery())
	router.Use(middleware.Session(sessions))

	router.GET("/healthz", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"status": "ok"})
	})

	handler := csrf.Wrap(router, cfg)

	addr := fmt.Sprintf("%s:%d", cfg.HttpServer.Address, cfg.HttpServer.Port)
	srv := &http.Server{
		Addr:              addr,
		Handler:           handler,
		ReadHeaderTimeout: 10 * time.Second,
	}

	go func() {
		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			panic(err)
		}
	}()
	fmt.Printf("Server running on http://%s\n", addr)

	stop := make(chan os.Signal, 1)
	signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
	<-stop

	fmt.Println("Shutting down...")
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	_ = srv.Shutdown(ctx)
}