using AceFieldNewHorizon.Scripts.Entities;
using Godot;

namespace AceFieldNewHorizon.Scripts.Tiles;

public partial class EnemyNestTile : BaseTile
{
    [Export] public PackedScene EnemyScene;
    [Export] public int MaxEnemies = 5;
    [Export] public float SpawnDelay = 5.0f; // Time between spawn attempts
    [Export] public float SpawnRadius = 50.0f; // Radius around the nest where enemies can spawn
    [Export] public bool Active = true;
    
    private Timer _spawnTimer;
    private int _currentEnemyCount = 0;

    public override void _Ready()
    {
        base._Ready();
        
        // Create and configure the timer
        _spawnTimer = new Timer
        {
            Autostart = true,
            WaitTime = SpawnDelay
        };
        AddChild(_spawnTimer);
        _spawnTimer.Timeout += OnSpawnTimerTimeout;
    }

    private void OnSpawnTimerTimeout()
    {
        if (!Active || EnemyScene == null || _currentEnemyCount >= MaxEnemies)
            return;

        // Check if we can spawn more enemies
        var enemies = GetTree().GetNodesInGroup("Enemy");
        _currentEnemyCount = enemies.Count;
        
        if (_currentEnemyCount >= MaxEnemies)
            return;

        // Spawn a new enemy
        var enemy = EnemyScene.Instantiate<Enemy>();
        if (enemy != null)
        {
            GetParent().AddChild(enemy);
            
            // Calculate a random position within the spawn radius
            var randomAngle = GD.Randf() * Mathf.Pi * 2;
            var randomOffset = new Vector2(
                Mathf.Cos(randomAngle) * SpawnRadius,
                Mathf.Sin(randomAngle) * SpawnRadius
            );
            
            enemy.GlobalPosition = GlobalPosition + randomOffset;
            _currentEnemyCount++;
            
            // Connect to the enemy's death signal if available
            enemy.TreeExiting += () => OnEnemyDied();
        }
    }
    
    private void OnEnemyDied()
    {
        _currentEnemyCount = Mathf.Max(0, _currentEnemyCount - 1);
    }
    
    public void SetActive(bool active)
    {
        Active = active;
        _spawnTimer.Paused = !active;
    }
}