package main

import (
	"context"
	"os/signal"
	"syscall"
	"time"

	"music-server/internal/logging"
	"music-server/internal/server"

	"go.uber.org/zap"
)

const shutdownTimeout = 5 * time.Second

func main() {
	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
	defer stop()

	s := server.NewServerInstance()

	serveErr := make(chan error, 1)
	go func() { serveErr <- s.ListenAndServe() }()

	select {
	case err := <-serveErr:
		if err != nil {
			logging.GetLogger().Fatal("HTTP server error", zap.Error(err))
		}
	case <-ctx.Done():
		stop()
		logging.GetLogger().Info("Shutting down gracefully, press Ctrl+C again to force")
	}

	shutdownCtx, cancel := context.WithTimeout(context.Background(), shutdownTimeout)
	defer cancel()
	if err := s.Shutdown(shutdownCtx); err != nil {
		logging.GetLogger().Error("Server forced to shutdown with error", zap.Error(err))
	}
	logging.GetLogger().Info("Graceful shutdown complete")
}