#include "stdafx.h"
#include "WindowsKeyManager.h"
#include "../Core/ControlManager.h"

WindowsKeyManager::WindowsKeyManager(HWND hWnd)
{
	_hWnd = hWnd;
}

WindowsKeyManager::~WindowsKeyManager()
{
}

bool WindowsKeyManager::WindowHasFocus()
{
	return GetForegroundWindow() == _hWnd;
}

void WindowsKeyManager::RefreshState()
{
	_gamePad.RefreshState();
}

bool WindowsKeyManager::IsKeyPressed(uint32_t key)
{
	if(WindowHasFocus()) {
		if(key >= 0x10000) {
			//XInput key
			uint8_t gamepadPort = (key - 0xFFFF) / 0x100;
			uint8_t gamepadButton = (key - 0xFFFF) % 0x100;
			return _gamePad.IsPressed(gamepadPort, 1 << (gamepadButton - 1));
		} else {
			return (GetAsyncKeyState(key) & 0x8000) == 0x8000;
		}
	}
	return false;
}

uint32_t WindowsKeyManager::GetPressedKey()
{
	_gamePad.RefreshState();

	for(int i = 0; i < XUSER_MAX_COUNT; i++) {
		for(int j = 1; j <= 16; j++) {
			if(_gamePad.IsPressed(i, 1 << (j - 1))) {
				return 0xFFFF + i * 0x100 + j;
			}
		}
	}

	for(int i = 0; i < 0xFF; i++) {
		if((GetAsyncKeyState(i) & 0x8000) == 0x8000) {
			return i;
		}
	}
	return 0;
}

wchar_t* WindowsKeyManager::GetKeyName(uint32_t key)
{
	for(KeyDefinition keyDef : _keyDefinitions) {
		if(keyDef.keyCode == key) {
			return keyDef.description;
		}
	}
	return nullptr;
}

uint32_t WindowsKeyManager::GetKeyCode(wchar_t* keyName)
{
	wstring name(keyName);
	for(KeyDefinition keyDef : _keyDefinitions) {
		if(name.compare(keyDef.description) == 0) {
			return keyDef.keyCode;
		}
	}
	return 0;
}