using System;
using System.Collections.Generic;
using Cirno.Scripts.Enums;
using Godot;

namespace Cirno.Scripts.Components.FSM.Elevator;

public partial class ElevatorProxy : Area2D, IActivable
{
    [Export] public ElevatorState StartingState { get; protected set; } = ElevatorState.Bottom;

    [Export] public float MovementTime { get; protected set; } = 1.0f;

    [Export] public Path2D ElevatorPath { get; protected set; }

    [Export] public CollisionShape2D TopBody { get; protected set; }

    [Signal]
    public delegate void ActivatedEventHandler(ActivationType type);

    public Vector2 Top => ElevatorPath.Curve.GetPointPosition(0);

    public Vector2 Bottom => ElevatorPath.Curve.GetPointPosition(1);

    public IStateMachine<ElevatorState, ElevatorProxy> StateMachine { get; set; }
    // public void SetPosition(Vector2 position)
    // {
    //     
    // }

    public InteractionController CachedPlayer { get; private set; }

    public bool Activate(ActivationType activationType = ActivationType.Toggle)
    {
        EmitSignal(SignalName.Activated, (int)activationType);
        return true;
    }
    
    public void Toggle()
    {
        this.Activate();
    }

    private void _on_area_entered(Area2D area)
    {
        if (area is InteractionController player)
        {
            CachedPlayer = player;
        }
    }

    private void _on_area_exited(Area2D area)
    {
        if (area is InteractionController player)
        {
            CachedPlayer = null;
        }
    }
}