using Godot;
using System;
using Chickensoft.AutoInject;
using Chickensoft.Introspection;
using Movementtests.managers;

[GlobalClass, Icon("res://assets/ui/IconGodotNode/node_3D/icon_duplicate.png"), Meta(typeof(IAutoNode))]
public partial class Spawner : Node3D
{
    public override void _Notification(int what) => this.Notify(what);

    [Dependency] public WaveManager WaveManager => this.DependOn<WaveManager>();

    [Export(PropertyHint.NodeType)]
	public PackedScene? EnemyToSpawn { get; set; }

	[Export] public Godot.Collections.Array<EnemyDescription.EnemyType> SupportedEnemyTypes { get; set; } = [];
	
	[Export]
	public RMovement? MovementInputs { get; set; }
	
	[Export]
	public Node3D Target { get; set; }
	
	[Export(PropertyHint.Range, "0.1, 100, 0.1, or_greater")]
	public float SpawnInterval { get; set; } = 1.0f;
	[Export]
	public bool IsActiveOnStart { get; set; } = true;
	
	[Node("Timer")] private Timer SpawnTimer { get; set; }
	
	public void OnReady()
	{
		SpawnTimer.WaitTime = SpawnInterval;
		SpawnTimer.Timeout += Spawn;
		if (IsActiveOnStart) StartSpawning();
	}

	public void OnResolved()
	{
		WaveManager.RegisterSpawner(this);
	}

	public void Spawn()
	{
		if (EnemyToSpawn == null || !EnemyToSpawn.CanInstantiate()) return;

		if (EnemyToSpawn.Instantiate() is not Enemy spawnedInstance) return;
		
		spawnedInstance.Target = Target;
		if (MovementInputs != null)
			spawnedInstance.RMovement = MovementInputs;
		spawnedInstance.Init();
		
		GetTree().GetCurrentScene().AddChild(spawnedInstance);
		spawnedInstance.GlobalPosition = GlobalPosition;
	}

	public Enemy? SpawnEnemy(EnemyDescription description)
	{
		if (description.Scene.Instantiate() is not Enemy spawnedInstance) return null;
		
		spawnedInstance.Target = Target;
		if (description.MovementOverride is not null)
			spawnedInstance.RMovement = description.MovementOverride;
		spawnedInstance.Init();
		
		GetTree().GetCurrentScene().AddChild(spawnedInstance);
		spawnedInstance.GlobalPosition = GlobalPosition;
		return spawnedInstance;
	}
	
	public void StartSpawning()
	{
		SpawnTimer.Start();
	}
	
	public void StopSpawning()
	{
		SpawnTimer.Stop();
	}
}