using UnityEngine;

namespace Northbound
{
    /// <summary>
    /// Central port configuration for the project
    /// </summary>
    public class GamePortConfig : MonoBehaviour
    {
        [Header("Port Configuration")]
        [Tooltip("The main network port for the game")]
        [SerializeField] private ushort gamePort = 40445;
        
        public static ushort Port => Instance != null ? Instance.gamePort : (ushort)40445;
        public static GamePortConfig Instance { get; private set; }
        
        private void Awake()
        {
            if (Instance != null && Instance != this)
            {
                Destroy(gameObject);
                return;
            }
            
            Instance = this;
            DontDestroyOnLoad(gameObject);
            
            Debug.Log("<color=cyan>[GamePortConfig] Using port: " + gamePort + "</color>");
        }
        
        [ContextMenu("Log Port Configuration")]
        public void LogPortConfig()
        {
            Debug.Log("=== GAME PORT CONFIGURATION ===");
            Debug.Log("Game Port: " + gamePort);
            Debug.Log("Port Type: TCP (and UDP if enabled)");
            Debug.Log("Use this port for:");
            Debug.Log("  - Router Port Forwarding");
            Debug.Log("  - Windows Firewall rules");
            Debug.Log("  - Port testing tools");
            Debug.Log("  - Teammate connections");
            Debug.Log("==============================");
        }
        
        [ContextMenu("Generate Router Port Forwarding Info")]
        public void GeneratePortForwardingInfo()
        {
            Debug.Log("=== ROUTER PORT FORWARDING SETTINGS ===");
            Debug.Log("");
            Debug.Log("<color=cyan>EXTERNAL PORT:</color> " + gamePort);
            Debug.Log("<color=cyan>INTERNAL PORT:</color> " + gamePort);
            Debug.Log("<color=cyan>PROTOCOL:</color> TCP");
            Debug.Log("<color=cyan>INTERNAL IP:</color> [Your computer's local IP]");
            Debug.Log("");
            Debug.Log("Steps:");
            Debug.Log("1. Open Command Prompt, run 'ipconfig'");
            Debug.Log("2. Find 'IPv4 Address' (e.g., 192.168.1.50)");
            Debug.Log("3. Login to router (http://192.168.1.1)");
            Debug.Log("4. Find Port Forwarding section");
            Debug.Log("5. Add rule with above settings");
            Debug.Log("6. Use your IPv4 as Internal IP");
            Debug.Log("7. Save and restart router");
            Debug.Log("");
            Debug.Log("Test port at: https://www.yougetsignal.com/tools/open-ports/");
            Debug.Log("=======================================");
        }
        
        [ContextMenu("Generate Firewall Rules")]
        public void GenerateFirewallRules()
        {
            Debug.Log("=== WINDOWS FIREWALL RULES ===");
            Debug.Log("");
            Debug.Log("Run PowerShell as Administrator, then:");
            Debug.Log("");
            Debug.Log("# Allow port " + gamePort);
            Debug.Log("netsh advfirewall firewall add rule name=\"Unity Port " + gamePort + "\" dir=in action=allow protocol=TCP localport=" + gamePort + " enable=yes profile=any");
            Debug.Log("");
            Debug.Log("# Allow Unity Editor");
            Debug.Log("netsh advfirewall firewall add rule name=\"Unity Editor\" dir=in action=allow program=\"%ProgramFiles%\\Unity\\Hub\\Editor\\*\\Unity.exe\" enable=yes profile=any");
            Debug.Log("");
            Debug.Log("# Allow your game build");
            Debug.Log("netsh advfirewall firewall add rule name=\"Northbound Game\" dir=in action=allow program=\"D:\\Northbound\\Build\\Northbound.exe\" enable=yes profile=any");
            Debug.Log("");
            Debug.Log("Note: Update the game path to your actual build location!");
            Debug.Log("===============================");
        }
        
        [ContextMenu("Copy Port to Clipboard")]
        public void CopyPortToClipboard()
        {
            GUIUtility.systemCopyBuffer = gamePort.ToString();
            Debug.Log("Copied port " + gamePort + " to clipboard");
        }
    }
}