package main

import (
	"flag"
	"log"
	"os"
	"os/signal"
	"strings"
	"syscall"

	"gitea.boner.be/bdnugget/goonscape/game"
	"gitea.boner.be/bdnugget/goonscape/network"
	rl "github.com/gen2brain/raylib-go/raylib"
)

func main() {
	defer func() {
		if r := recover(); r != nil {
			log.Printf("Recovered from panic in main: %v", r)
		}
	}()

	// Parse command line flags
	verbose := flag.Bool("v", false, "Also show info logs (spammy)")
	local := flag.Bool("local", false, "Connect to local server")
	addr := flag.String("addr", "", "Server address (host or host:port)")
	flag.Parse()

	if *verbose {
		rl.SetTraceLogLevel(rl.LogTrace)
	} else {
		rl.SetTraceLogLevel(rl.LogWarning)
	}

	// Set server address based on flags
	if *local {
		if *addr != "" {
			log.Fatal("Cannot use -local and -addr together")
		}
		network.SetServerAddr("localhost:6969")
	} else if *addr != "" {
		// If port is not specified, append default port
		if !strings.Contains(*addr, ":") {
			*addr += ":6969"
		}
		network.SetServerAddr(*addr)
	}

	rl.InitWindow(1024, 768, "GoonScape")
	rl.SetExitKey(0)
	rl.InitAudioDevice()

	gameInstance := game.New()
	if err := gameInstance.LoadAssets(); err != nil {
		log.Printf("Failed to load assets: %v", err)
		return
	}

	defer func() {
		gameInstance.Cleanup()
		rl.CloseWindow()
		rl.CloseAudioDevice()
	}()

	rl.SetTargetFPS(60)

	rl.PlayMusicStream(gameInstance.Music)
	rl.SetMusicVolume(gameInstance.Music, 0.5)

	// Handle OS signals for clean shutdown
	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)
	go func() {
		<-sigChan
		if gameInstance != nil {
			gameInstance.Shutdown()
		}
	}()

	// Keep game loop in main thread for Raylib
	for !rl.WindowShouldClose() {
		deltaTime := rl.GetFrameTime()
		rl.UpdateMusicStream(gameInstance.Music)

		func() {
			defer func() {
				if r := recover(); r != nil {
					log.Printf("Recovered from panic in game update: %v", r)
				}
			}()
			gameInstance.Update(deltaTime)
		}()

		func() {
			defer func() {
				if r := recover(); r != nil {
					log.Printf("Recovered from panic in game render: %v", r)
				}
			}()
			gameInstance.Render()
		}()

		// Check if game requested shutdown
		select {
		case <-gameInstance.QuitChan():
			return
		default:
		}
	}
}