/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012 Bolton Software Ltd.
 * Copyright (C) 2011 Nick Bolton
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 *
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <gtest/gtest.h>
#include <gmock/gmock.h>

#include "COSXKeyState.h"
#include "synergy/CMockKeyMap.h"
#include "synergy/CMockEventQueue.h"

#include "CLog.h"

#define SHIFT_ID_L kKeyShift_L
#define SHIFT_ID_R kKeyShift_R
#define SHIFT_BUTTON 57
#define A_CHAR_ID 0x00000061
#define A_CHAR_BUTTON 001

class COSXKeyStateTests : public ::testing::Test {
public:
	static bool isKeyPressed(const COSXKeyState& keyState, KeyButton button);
};

TEST_F(COSXKeyStateTests, fakeAndPoll_shift)
{
	CKeyMap keyMap;
	CMockEventQueue eventQueue;
	COSXKeyState keyState(&eventQueue, keyMap);
	keyState.updateKeyMap();

	keyState.fakeKeyDown(SHIFT_ID_L, 0, 1);
	EXPECT_TRUE(isKeyPressed(keyState, SHIFT_BUTTON));

	keyState.fakeKeyUp(1);
	EXPECT_TRUE(!isKeyPressed(keyState, SHIFT_BUTTON));

	keyState.fakeKeyDown(SHIFT_ID_R, 0, 2);
	EXPECT_TRUE(isKeyPressed(keyState, SHIFT_BUTTON));

	keyState.fakeKeyUp(2);
	EXPECT_TRUE(!isKeyPressed(keyState, SHIFT_BUTTON));
}

TEST_F(COSXKeyStateTests, fakeAndPoll_charKey)
{
	CKeyMap keyMap;
	CMockEventQueue eventQueue;
	COSXKeyState keyState(&eventQueue, keyMap);
	keyState.updateKeyMap();

	keyState.fakeKeyDown(A_CHAR_ID, 0, 1);
	EXPECT_TRUE(isKeyPressed(keyState, A_CHAR_BUTTON));

	keyState.fakeKeyUp(1);
	EXPECT_TRUE(!isKeyPressed(keyState, A_CHAR_BUTTON));

	// HACK: delete the key in case it was typed into a text editor.
	// we should really set focus to an invisible window.
	keyState.fakeKeyDown(kKeyBackSpace, 0, 2);
	keyState.fakeKeyUp(2);
}

TEST_F(COSXKeyStateTests, fakeAndPoll_charKeyAndModifier)
{
	CKeyMap keyMap;
	CMockEventQueue eventQueue;
	COSXKeyState keyState(&eventQueue, keyMap);
	keyState.updateKeyMap();

	keyState.fakeKeyDown(A_CHAR_ID, KeyModifierShift, 1);
	EXPECT_TRUE(isKeyPressed(keyState, A_CHAR_BUTTON));

	keyState.fakeKeyUp(1);
	EXPECT_TRUE(!isKeyPressed(keyState, A_CHAR_BUTTON));

	// HACK: delete the key in case it was typed into a text editor.
	// we should really set focus to an invisible window.
	keyState.fakeKeyDown(kKeyBackSpace, 0, 2);
	keyState.fakeKeyUp(2);
}

bool
COSXKeyStateTests::isKeyPressed(const COSXKeyState& keyState, KeyButton button)
{
	// HACK: allow os to realize key state changes.
	ARCH->sleep(1);

	IKeyState::KeyButtonSet pressed;
	keyState.pollPressedKeys(pressed);

	IKeyState::KeyButtonSet::const_iterator it;
	for (it = pressed.begin(); it != pressed.end(); ++it) {
		LOG((CLOG_DEBUG "checking key %d", *it));
		if (*it == button) {
			return true;
		}
	}
	return false;
}