using Godot;
using System;
using System.Diagnostics;
using Cirno.Scripts;

public partial class Door : Activable
{
	protected AnimatedSprite2D _animatedSprite;
	protected CollisionShape2D _collisionShape;
	protected CollisionShape2D _solidShape;
	// Called when the node enters the scene tree for the first time.
	
	[Export]
	public DoorState State { get; set; }
	
	[Signal]
	public delegate void DoorOpenedEventHandler();

	[Signal]
	public delegate void DoorClosedEventHandler();

	public override void _Ready()
	{
		_animatedSprite = GetNode<AnimatedSprite2D>("AnimatedSprite2D");
		_collisionShape = GetNode<CollisionShape2D>("CollisionShape2D");
		_solidShape = GetNode<CollisionShape2D>("RigidBody2D/CollisionShape2D");
		
		SetState(State);
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
	}

	public virtual void Open()
	{
		_animatedSprite.Play("Opening");
		State = DoorState.Open;
		CallDeferred(MethodName.DeferredDisableCollision, true);
		//_collisionShape.Disabled = true;
		//_solidShape.Disabled = true;
	}

	public virtual void Close()
	{
		_animatedSprite.Play("Closing");
		State = DoorState.Closed;
		CallDeferred(MethodName.DeferredDisableCollision, false);
		//_collisionShape.Disabled = false;
		//_solidShape.Disabled = false;
	}

	public void Destroy()
	{
		_animatedSprite.Play("Destroyed");
		State = DoorState.Destroyed;
		CallDeferred(MethodName.DeferredDisableCollision, true);
	}

	private void DeferredDisableCollision(bool state)
	{
		_collisionShape.Disabled = state;
		_solidShape.Disabled = state;
	}
	
	public override void Activate(ActivationType activationType = ActivationType.Toggle)
	{
		switch (activationType)
		{
			case ActivationType.Toggle:
				ToggleDoor();
				break;
			case ActivationType.Enable:
				Close();
				break;
			case ActivationType.Disable:
				Open();
				break;
			case ActivationType.Use:
				ToggleDoor();
				break;
			case ActivationType.Destroy:
				Destroy();
				break;
			case ActivationType.Open:
				Open();
				break;
			case ActivationType.Close:
				Close();
				break;
			default:
				ToggleDoor();
				break;
		}
	}

	private void ToggleDoor()
	{
		switch (State)
		{
			case DoorState.Closed:
				Open();
				break;
			case DoorState.Open:
				Close();
				break;
			default:
				throw new ArgumentOutOfRangeException();
		}
	}

	private void SetState(DoorState state)
	{
		switch (state)
		{
			case DoorState.Closed:
				Close();
				break;
			case DoorState.Open:
				Open();
				break;
			case DoorState.Destroyed:
				Destroy();
				break;
			default:
				throw new ArgumentOutOfRangeException();
		}
	}

	public void _on_animated_sprite_2d_animation_changed()
	{
		switch (_animatedSprite.Animation)
		{
			case "Opening":
				
				break;
			case "Closing":
				
				break;
			default:
				break;
		}
	}
}

public enum DoorState
{
	Closed,
	Open,
	Destroyed
}