package main

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

	"tipsy.codes/charles/mc-god/v2/internal/pkg/rcon"
)

func main() {
	// Create a context that will be cancelled on interrupt signals
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	// Set up signal handling for graceful shutdown
	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
	go func() {
		<-sigChan
		log.Println("Received interrupt signal, shutting down...")
		cancel()
	}()

	// Create RCON client from environment variables
	log.Println("Connecting to Minecraft server via RCON...")
	client, err := rcon.NewFromEnv()
	if err != nil {
		log.Fatalf("Failed to create RCON client: %v", err)
	}
	defer func() {
		if err := client.Close(); err != nil {
			log.Printf("Error closing RCON connection: %v", err)
		}
	}()

	// Perform a health check
	log.Println("Performing health check...")
	if err := client.HealthCheck(); err != nil {
		log.Fatalf("Health check failed: %v", err)
	}
	log.Println("Connected successfully!")

	// Example usage of various RCON functions
	log.Println("Executing sample commands...")

	// Get server info
	info, err := client.GetServerInfo()
	if err != nil {
		log.Printf("Failed to get server info: %v", err)
	} else {
		log.Printf("Server info: %s", info)
	}

	// Set weather to clear
	if err := client.SetWeather("clear"); err != nil {
		log.Printf("Failed to set weather: %v", err)
	} else {
		log.Println("Weather set to clear")
	}

	// Set time to day
	if err := client.SetTime("day"); err != nil {
		log.Printf("Failed to set time: %v", err)
	} else {
		log.Println("Time set to day")
	}

	// Set difficulty to normal
	if err := client.SetDifficulty("normal"); err != nil {
		log.Printf("Failed to set difficulty: %v", err)
	} else {
		log.Println("Difficulty set to normal")
	}

	// Example of executing a custom command
	response, err := client.ExecuteWithTimeout("list", 5*time.Second)
	if err != nil {
		log.Printf("Failed to execute 'list' command: %v", err)
	} else {
		log.Printf("Players list response: %s", response)
	}

	// Keep the application running until interrupted
	log.Println("MC God is now running. Press Ctrl+C to stop.")
	<-ctx.Done()

	log.Println("MC God stopped gracefully.")
}