using System;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.InputSystem;

public class InputManager: IManager
{
    public Action KeyAction = null;
    public Action<Define.MouseEvent> MouseAction = null;

    bool _pressed = false;
    float _pressedTime = 0.0f;

    public void OnUpdate()
    {
        // UI 위에 마우스 있으면 리턴
        if(EventSystem.current.IsPointerOverGameObject()) return;
        
        KeyboardInput();
        
        
        if (MouseAction != null)
        {
            if (Mouse.current.leftButton.isPressed)
            {
                if (!_pressed)
                {
                    MouseAction.Invoke(Define.MouseEvent.Down);
                    _pressedTime = Time.time;
                }
                MouseAction.Invoke(Define.MouseEvent.Press);
                _pressed = true;
            }
            else
            {
                if (_pressed)
                {
                    if (Time.time - _pressedTime < 0.2f)
                        MouseAction.Invoke(Define.MouseEvent.Click);
                    else
                        MouseAction.Invoke(Define.MouseEvent.Up);
                    
                    _pressed = false;
                    _pressedTime = 0.0f;
                }
            }
        }
    }
    
    void KeyboardInput()
    {
        if (Keyboard.current.aKey.wasPressedThisFrame && KeyAction != null) KeyAction.Invoke();
    }
    
    public void Clear()
    {
        KeyAction = null;
        MouseAction = null;
    }
}