#include"Input.h"
#include<iostream>


Input::Input()
{
	keyDownID = KeyDown.AddListener(std::bind(&Input::OnKeyDown, this, std::placeholders::_1));
	keyUpID = KeyUp.AddListener(std::bind(&Input::OnKeyUp, this, std::placeholders::_1));
	mouseButtonDownID = MouseButtonDown.AddListener(std::bind(&Input::OnMouseButtonDown, this, std::placeholders::_1));
	mouseButtonUpID = MouseButtonUp.AddListener(std::bind(&Input::OnMouseButtonUp, this, std::placeholders::_1));
	mouseMovingID = MouseMoving.AddListener(std::bind(&Input::OnMouseMove, this, std::placeholders::_1, std::placeholders::_2));
}

Input::~Input()
{
	KeyDown.RemoveListener(keyDownID);
	KeyUp.RemoveListener(keyUpID);
	MouseButtonDown.RemoveListener(mouseButtonDownID);
	MouseButtonUp.RemoveListener(mouseButtonUpID);
}

void Input::HandelInput(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
	case WM_KEYUP:
		KeyUp.Invoke(wParam);
		break;
	case WM_KEYDOWN:
		KeyDown.Invoke(wParam);
		break;
	}
}

void Input::HandelMouseInput(int p_x, int p_y)
{
	MouseMove.Invoke(p_x - m_mousePosition.first, p_y - m_mousePosition.second);
	MouseMoving.Invoke(p_x, p_y);
}

void Input::OnKeyDown(int p_key)
{
	downKeys.push_back((dKey)p_key);
	if (p_key == (int)dKey::KEY_SPACE) { ClearEvents(); }
}

void Input::OnKeyUp(int p_key)
{
	downKeys.erase(std::remove(downKeys.begin(), downKeys.end(), (dKey)p_key), downKeys.end());
}

void Input::OnMouseButtonDown(int p_mouseButton)
{
	//downKeys.push_back((dKey)p_mouseButton);
}

void Input::OnMouseButtonUp(int p_mouseButton)
{

}

void Input::OnMouseMove(int p_x, int p_y)
{
	m_mousePosition = std::make_pair(p_x, p_y);
}

bool Input::IsKeyDown(dKey p_key)
{
	return std::find(downKeys.begin(), downKeys.end(), p_key) != downKeys.end();
}

void Input::ClearEvents()
{
	downKeys.clear();
}