package main

import (
	"context"
	"log/slog"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"

	"stow/backend/internal/api"
	"stow/backend/internal/store"
)

func main() {
	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
	databaseURL := os.Getenv("DATABASE_URL")
	if databaseURL == "" {
		logger.Error("DATABASE_URL is required")
		os.Exit(1)
	}
	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
	defer stop()
	dataStore, err := store.Open(ctx, databaseURL)
	if err != nil {
		logger.Error("database unavailable", "error", err)
		os.Exit(1)
	}
	defer dataStore.Close()
	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}
	server := &http.Server{Addr: ":" + port, Handler: api.New(dataStore), ReadHeaderTimeout: 5 * time.Second, ReadTimeout: 15 * time.Second, WriteTimeout: 30 * time.Second, IdleTimeout: 60 * time.Second}
	go func() {
		<-ctx.Done()
		shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
		defer cancel()
		_ = server.Shutdown(shutdownCtx)
	}()
	logger.Info("stow api listening", "port", port)
	if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
		logger.Error("server stopped", "error", err)
		os.Exit(1)
	}
}