/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "dreamweb/dreamweb.h"

namespace DreamGen {

void DreamGenContext::getUnderMenu() {
	multiGet(getSegment(data.word(kBuffers)).ptr(kUndertimedtext, 0), kMenux, kMenuy, 48, 48);
}

void DreamGenContext::putUnderMenu() {
	multiPut(getSegment(data.word(kBuffers)).ptr(kUndertimedtext, 0), kMenux, kMenuy, 48, 48);
}

void DreamGenContext::singleKey(uint8 key, uint16 x, uint16 y) {
	if (key == data.byte(kGraphicpress)) {
		key += 11;
		if (data.byte(kPresscount) < 8)
			key -= 11;
	}
	key -= 20;
	showFrame(tempGraphics(), x, y, key, 0);
}

void DreamGenContext::loadKeypad() {
	loadIntoTemp("DREAMWEB.G02");
}

void DreamGenContext::showKeypad() {
	singleKey(22, kKeypadx+9,  kKeypady+5);
	singleKey(23, kKeypadx+31, kKeypady+5);
	singleKey(24, kKeypadx+53, kKeypady+5);
	singleKey(25, kKeypadx+9,  kKeypady+23);
	singleKey(26, kKeypadx+31, kKeypady+23);
	singleKey(27, kKeypadx+53, kKeypady+23);
	singleKey(28, kKeypadx+9,  kKeypady+41);
	singleKey(29, kKeypadx+31, kKeypady+41);
	singleKey(30, kKeypadx+53, kKeypady+41);
	singleKey(31, kKeypadx+9,  kKeypady+59);
	singleKey(32, kKeypadx+31, kKeypady+59);
	if (data.byte(kLightcount)) {
		--data.byte(kLightcount);
		uint8 frameIndex;
		uint16 y;
		if (data.byte(kLockstatus)) {
			frameIndex = 36;
			y = kKeypady-1+63;
		} else {
			frameIndex = 41;
			y = kKeypady+4+63;
		}
		if ((data.byte(kLightcount) >= 60) && (data.byte(kLightcount) < 100))
			--frameIndex;
		showFrame(tempGraphics(), kKeypadx+60, y, frameIndex, 0);
	}
}

bool DreamGenContext::isItRight(uint8 digit0, uint8 digit1, uint8 digit2, uint8 digit3) {
	
	return digit0 == data.byte(kPresslist+0) && digit1 == data.byte(kPresslist+1)
		&& digit2 == data.byte(kPresslist+2) && digit3 == data.byte(kPresslist+3);
}

void DreamGenContext::addToPressList() {
	if (data.word(kPresspointer) == 5)
		return;
	uint8 pressed = data.byte(kPressed);
	if (pressed == 10)
		pressed = 0;

	data.byte(kPresslist + data.word(kPresspointer)) = pressed;
	++data.word(kPresspointer);
}

void DreamGenContext::enterCode(uint8 digit0, uint8 digit1, uint8 digit2, uint8 digit3) {
	RectWithCallback keypadList[] = {
		{ kKeypadx+9,kKeypadx+30,kKeypady+9,kKeypady+22,&DreamGenContext::buttonOne },
		{ kKeypadx+31,kKeypadx+52,kKeypady+9,kKeypady+22,&DreamGenContext::buttonTwo },
		{ kKeypadx+53,kKeypadx+74,kKeypady+9,kKeypady+22,&DreamGenContext::buttonThree },
		{ kKeypadx+9,kKeypadx+30,kKeypady+23,kKeypady+40,&DreamGenContext::buttonFour },
		{ kKeypadx+31,kKeypadx+52,kKeypady+23,kKeypady+40,&DreamGenContext::buttonFive },
		{ kKeypadx+53,kKeypadx+74,kKeypady+23,kKeypady+40,&DreamGenContext::buttonSix },
		{ kKeypadx+9,kKeypadx+30,kKeypady+41,kKeypady+58,&DreamGenContext::buttonSeven },
		{ kKeypadx+31,kKeypadx+52,kKeypady+41,kKeypady+58,&DreamGenContext::buttonEight },
		{ kKeypadx+53,kKeypadx+74,kKeypady+41,kKeypady+58,&DreamGenContext::buttonNine },
		{ kKeypadx+9,kKeypadx+30,kKeypady+59,kKeypady+73,&DreamGenContext::buttonNought },
		{ kKeypadx+31,kKeypadx+74,kKeypady+59,kKeypady+73,&DreamGenContext::buttonEnter },
		{ kKeypadx+72,kKeypadx+86,kKeypady+80,kKeypady+94,&DreamGenContext::quitKey },
		{ 0,320,0,200,&DreamGenContext::blank },
		{ 0xFFFF,0,0,0,0 }
	};

	getRidOfReels();
	loadKeypad();
	createPanel();
	showIcon();
	showOuterPad();
	showKeypad();
	readMouse();
	showPointer();
	workToScreenCPP();
	delPointer();
	data.word(kPresspointer) = 0;
	data.byte(kGetback) = 0;
	while (true) {
		delPointer();
		readMouse();
		showKeypad();
		showPointer();
		vSync();
		if (data.byte(kPresscount) == 0) {
			data.byte(kPressed) = 255;
			data.byte(kGraphicpress) = 255;
			vSync();
		} else
			--data.byte(kPresscount);

		dumpPointer();
		dumpKeypad();
		dumpTextLine();
		checkCoords(keypadList);
		if (quitRequested() || (data.byte(kGetback) == 1))
			break;
		if (data.byte(kLightcount) == 1) {
			if (data.byte(kLockstatus) == 0)
				break;
		} else {
			if (data.byte(kPresscount) == 40) {
				addToPressList();
				if (data.byte(kPressed) == 11) {
					if (isItRight(digit0, digit1, digit2, digit3))
						data.byte(kLockstatus) = 0;
					playChannel1(11);
					data.byte(kLightcount) = 120;
					data.word(kPresspointer) = 0;
				}
			}
		}
	}
	data.byte(kManisoffscreen) = 0;
	getRidOfTemp();
	restoreReels();
	redrawMainScrn();
	workToScreenM();
}

void DreamGenContext::buttonOne() {
	buttonPress(1);
}

void DreamGenContext::buttonTwo() {
	buttonPress(2);
}

void DreamGenContext::buttonThree() {
	buttonPress(3);
}

void DreamGenContext::buttonFour() {
	buttonPress(4);
}

void DreamGenContext::buttonFive() {
	buttonPress(5);
}

void DreamGenContext::buttonSix() {
	buttonPress(6);
}

void DreamGenContext::buttonSeven() {
	buttonPress(7);
}

void DreamGenContext::buttonEight() {
	buttonPress(8);
}

void DreamGenContext::buttonNine() {
	buttonPress(9);
}

void DreamGenContext::buttonNought() {
	buttonPress(10);
}

void DreamGenContext::buttonEnter() {
	buttonPress(11);
}

void DreamGenContext::buttonPress(uint8 buttonId) {
	uint8 commandType = 100 + buttonId;
	if (data.byte(kCommandtype) != commandType) {
		data.byte(kCommandtype) = commandType;
		commandOnly(buttonId + 4);
	}
	if ((data.word(kMousebutton) & 1) && (data.word(kMousebutton) != data.word(kOldbutton))) {
		data.byte(kPressed) = buttonId;
		data.byte(kGraphicpress) = buttonId + 21;
		data.byte(kPresscount) = 40;
		if (buttonId != 11)
			playChannel1(10);
	}
}

void DreamGenContext::showOuterPad() {
	showFrame(tempGraphics(), kKeypadx-3, kKeypady-4, 1, 0);
	showFrame(tempGraphics(), kKeypadx+74, kKeypady+76, 37, 0);
}

void DreamGenContext::dumpKeypad() {
	multiDump(kKeypadx - 3, kKeypady - 4, 120, 90);
}

void DreamGenContext::dumpSymbol() {
	data.byte(kNewtextline) = 0;
	multiDump(kSymbolx, kSymboly + 20, 104, 60);
}

void DreamGenContext::dumpSymBox() {
	if (data.word(kDumpx) != 0xFFFF) {
		multiDump(data.word(kDumpx), data.word(kDumpy), 30, 77);
		data.word(kDumpx) = 0xFFFF;
	}
}

void DreamGenContext::quitSymbol() {
	if (data.byte(kSymboltopx) != 24 || data.byte(kSymbolbotx) != 24) {
		blank();
		return;
	};

	if (data.byte(kCommandtype) != 222) {
		data.byte(kCommandtype) = 222;
		commandOnly(18);
	}

	if (data.word(kMousebutton) == data.word(kOldbutton))
		return;	// notqs

	if (!(data.word(kMousebutton) & 1))
		return;

	data.byte(kGetback) = 1;
}

} // End of namespace DreamGen