/* 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 "lastexpress/debug.h"

// Data
#include "lastexpress/data/animation.h"
#include "lastexpress/data/background.h"
#include "lastexpress/data/cursor.h"
#include "lastexpress/data/scene.h"
#include "lastexpress/data/sequence.h"
#include "lastexpress/data/subtitle.h"

#include "lastexpress/fight/fight.h"

#include "lastexpress/game/action.h"
#include "lastexpress/game/beetle.h"
#include "lastexpress/game/entities.h"
#include "lastexpress/game/inventory.h"
#include "lastexpress/game/logic.h"
#include "lastexpress/game/object.h"
#include "lastexpress/game/savegame.h"
#include "lastexpress/game/savepoint.h"
#include "lastexpress/game/scenes.h"
#include "lastexpress/game/state.h"

#include "lastexpress/sound/queue.h"

#include "lastexpress/graphics.h"
#include "lastexpress/lastexpress.h"
#include "lastexpress/resource.h"

#include "common/debug-channels.h"
#include "common/md5.h"

namespace LastExpress {

Debugger::Debugger(LastExpressEngine *engine) : _engine(engine), _command(NULL), _numParams(0), _commandParams(NULL) {

	//////////////////////////////////////////////////////////////////////////
	// Register the debugger commands

	// General
	DCmd_Register("help",      WRAP_METHOD(Debugger, cmdHelp));

	// Data
	DCmd_Register("ls",        WRAP_METHOD(Debugger, cmdListFiles));
	DCmd_Register("dump",      WRAP_METHOD(Debugger, cmdDumpFiles));

	DCmd_Register("showframe", WRAP_METHOD(Debugger, cmdShowFrame));
	DCmd_Register("showbg",    WRAP_METHOD(Debugger, cmdShowBg));
	DCmd_Register("playseq",   WRAP_METHOD(Debugger, cmdPlaySeq));
	DCmd_Register("playsnd",   WRAP_METHOD(Debugger, cmdPlaySnd));
	DCmd_Register("playsbe",   WRAP_METHOD(Debugger, cmdPlaySbe));
	DCmd_Register("playnis",   WRAP_METHOD(Debugger, cmdPlayNis));

	// Scene & interaction
	DCmd_Register("loadscene", WRAP_METHOD(Debugger, cmdLoadScene));
	DCmd_Register("fight",     WRAP_METHOD(Debugger, cmdFight));
	DCmd_Register("beetle",    WRAP_METHOD(Debugger, cmdBeetle));

	// Game
	DCmd_Register("delta",     WRAP_METHOD(Debugger, cmdTimeDelta));
	DCmd_Register("time",      WRAP_METHOD(Debugger, cmdTime));
	DCmd_Register("show",      WRAP_METHOD(Debugger, cmdShow));
	DCmd_Register("entity",    WRAP_METHOD(Debugger, cmdEntity));

	// Misc
	DCmd_Register("loadgame",  WRAP_METHOD(Debugger, cmdLoadGame));
	DCmd_Register("chapter",   WRAP_METHOD(Debugger, cmdSwitchChapter));
	DCmd_Register("clear",     WRAP_METHOD(Debugger, cmdClear));

	resetCommand();

	_soundStream = new StreamedSound();
}

Debugger::~Debugger() {
	DebugMan.clearAllDebugChannels();

	SAFE_DELETE(_soundStream);
	resetCommand();

	_command = NULL;
	_commandParams = NULL;

	// Zero passed pointers
	_engine = NULL;
}

//////////////////////////////////////////////////////////////////////////
// Helper functions
//////////////////////////////////////////////////////////////////////////
bool Debugger::hasCommand() const {
	return (_numParams != 0);
}

void Debugger::resetCommand() {
	SAFE_DELETE(_command);

	if (_commandParams)
		for (int i = 0; i < _numParams; i++)
			free(_commandParams[i]);

	free(_commandParams);
	_commandParams = NULL;
	_numParams = 0;
}

int Debugger::getNumber(const char *arg) const {
	return strtol(arg, (char **)NULL, 0);
}

void Debugger::copyCommand(int argc, const char **argv) {
	_commandParams = (char **)malloc(sizeof(char *) * (uint)argc);
	if (!_commandParams)
		return;

	_numParams = argc;

	for (int i = 0; i < _numParams; i++) {
		_commandParams[i] = (char *)malloc(strlen(argv[i]) + 1);
		if (_commandParams[i] == NULL)
			error("[Debugger::copyCommand] Cannot allocate memory for command parameters");

		memset(_commandParams[i], 0, strlen(argv[i]) + 1);
		strcpy(_commandParams[i], argv[i]);
	}

	// Exit the debugger!
	Cmd_Exit(0, 0);
}

void Debugger::callCommand() {
	if (_command)
		(*_command)(_numParams, const_cast<const char **>(_commandParams));
}

bool Debugger::loadArchive(ArchiveIndex index) {
	if (index < 1 || index > 3) {
		DebugPrintf("Invalid cd number (was: %d, valid: [1-3])\n", index);
		return false;
	}

	if (!_engine->getResourceManager()->loadArchive(index))
		return false;

	getScenes()->loadSceneDataFile(index);

	return true;
}

// Restore loaded archive
void Debugger::restoreArchive() const {

	ArchiveIndex index = kArchiveCd1;

	switch (getProgress().chapter) {
	default:
	case kChapter1:
		index = kArchiveCd1;
		break;

	case kChapter2:
	case kChapter3:
		index = kArchiveCd2;
		break;

	case kChapter4:
	case kChapter5:
		index = kArchiveCd3;
		break;
	}

	_engine->getResourceManager()->loadArchive(index);
	getScenes()->loadSceneDataFile(index);
}

//////////////////////////////////////////////////////////////////////////
// Debugger commands
//////////////////////////////////////////////////////////////////////////
bool Debugger::cmdHelp(int, const char **) {
	DebugPrintf("Debug flags\n");
	DebugPrintf("-----------\n");
	DebugPrintf(" debugflag_list - Lists the available debug flags and their status\n");
	DebugPrintf(" debugflag_enable - Enables a debug flag\n");
	DebugPrintf(" debugflag_disable - Disables a debug flag\n");
	DebugPrintf("\n");
	DebugPrintf("Commands\n");
	DebugPrintf("--------\n");
	DebugPrintf(" ls - list files in the archive\n");
	DebugPrintf(" dump - dump a list of files in all archives\n");
	DebugPrintf("\n");
	DebugPrintf(" showframe - show a frame from a sequence\n");
	DebugPrintf(" showbg - show a background\n");
	DebugPrintf(" playseq - play a sequence\n");
	DebugPrintf(" playsnd - play a sound\n");
	DebugPrintf(" playsbe - play a subtitle\n");
	DebugPrintf(" playnis - play an animation\n");
	DebugPrintf("\n");
	DebugPrintf(" loadscene - load a scene\n");
	DebugPrintf(" fight - start a fight\n");
	DebugPrintf(" beetle - start the beetle game\n");
	DebugPrintf("\n");
	DebugPrintf(" delta - Adjust the time delta\n");
	DebugPrintf(" show - show game data\n");
	DebugPrintf(" entity - show entity data\n");
	DebugPrintf("\n");
	DebugPrintf(" loadgame - load a saved game\n");
	DebugPrintf(" chapter - switch to a specific chapter\n");
	DebugPrintf(" clear - clear the screen\n");
	DebugPrintf("\n");
	return true;
}

/**
 * Command: list files in archive
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdListFiles(int argc, const char **argv) {
	if (argc == 2 || argc == 3) {
		Common::String filter(const_cast<char *>(argv[1]));

		// Load the proper archive
		if (argc == 3) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[2])))
				return true;
		}

		Common::ArchiveMemberList list;
		int count = _engine->getResourceManager()->listMatchingMembers(list, filter);

		DebugPrintf("Number of matches: %d\n", count);
		for (Common::ArchiveMemberList::iterator it = list.begin(); it != list.end(); ++it)
			DebugPrintf(" %s\n", (*it)->getName().c_str());

		// Restore archive
		if (argc == 3)
			restoreArchive();
	} else {
		DebugPrintf("Syntax: ls <filter> (use * for all) (<cd number>)\n");
	}

	return true;
}

/**
 * Command: Dump the list of files in the archive
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdDumpFiles(int argc, const char **) {
#define OUTPUT_ARCHIVE_FILES(name, filename) { \
	_engine->getResourceManager()->reset(); \
	_engine->getResourceManager()->loadArchive(filename); \
	Common::ArchiveMemberList list; \
	int count = _engine->getResourceManager()->listMatchingMembers(list, "*"); \
	debugC(1, kLastExpressDebugResource, "\n\n--------------------------------------------------------------------\n"); \
	debugC(1, kLastExpressDebugResource, "-- " #name " (%d files)\n", count); \
	debugC(1, kLastExpressDebugResource, "--------------------------------------------------------------------\n\n"); \
	debugC(1, kLastExpressDebugResource, "Filename,Size,MD5\n"); \
	for (Common::ArchiveMemberList::iterator it = list.begin(); it != list.end(); ++it) { \
		Common::SeekableReadStream *stream = getArchive((*it)->getName()); \
		if (!stream) { \
			DebugPrintf("ERROR: Cannot create stream for file: %s\n", (*it)->getName().c_str()); \
			restoreArchive(); \
			return true; \
		} \
		Common::String md5str = Common::computeStreamMD5AsString(*stream); \
		debugC(1, kLastExpressDebugResource, "%s, %d, %s", (*it)->getName().c_str(), stream->size(), md5str.c_str()); \
		delete stream; \
	} \
}

	if (argc == 1) {
		// For each archive file, dump the list of files
		if (_engine->isDemo()) {
			OUTPUT_ARCHIVE_FILES("DEMO", "DEMO.HPF");
		} else {
			OUTPUT_ARCHIVE_FILES("HD", "HD.HPF");
			OUTPUT_ARCHIVE_FILES("CD 1", "CD1.HPF");
			OUTPUT_ARCHIVE_FILES("CD 2", "CD2.HPF");
			OUTPUT_ARCHIVE_FILES("CD 3", "CD3.HPF");
		}

		// Restore current loaded archive
		restoreArchive();
	} else {
		DebugPrintf("Syntax: dump");
	}

	return true;
}

/**
 * Command: Shows a frame
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdShowFrame(int argc, const char **argv) {
	if (argc == 3 || argc == 4) {
		Common::String filename(const_cast<char *>(argv[1]));
		filename += ".seq";

		if (argc == 4) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[3])))
				return true;
		}

		if (!_engine->getResourceManager()->hasFile(filename)) {
			DebugPrintf("Cannot find file: %s\n", filename.c_str());
			return true;
		}

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdShowFrame);
			copyCommand(argc, argv);

			return Cmd_Exit(0, 0);
		} else {
			Sequence sequence(filename);
			if (sequence.load(getArchive(filename))) {
				_engine->getCursor()->show(false);
				clearBg(GraphicsManager::kBackgroundOverlay);

				AnimFrame *frame = sequence.getFrame((uint16)getNumber(argv[2]));
				if (!frame) {
					DebugPrintf("Invalid frame index '%s'\n", argv[2]);
					resetCommand();
					return true;
				}

				_engine->getGraphicsManager()->draw(frame, GraphicsManager::kBackgroundOverlay);
				delete frame;

				askForRedraw();
				redrawScreen();

				_engine->_system->delayMillis(1000);
				_engine->getCursor()->show(true);
			}

			resetCommand();

			if (argc == 4)
				restoreArchive();
		}
	} else {
		DebugPrintf("Syntax: cmd_showframe <seqname> <index> (<cd number>)\n");
	}
	return true;
}

/**
 * Command: shows a background
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdShowBg(int argc, const char **argv) {
	if (argc == 2 || argc == 3) {
		Common::String filename(const_cast<char *>(argv[1]));

		if (argc == 3) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[2])))
				return true;
		}

		if (!_engine->getResourceManager()->hasFile(filename + ".BG")) {
			DebugPrintf("Cannot find file: %s\n", (filename + ".BG").c_str());
			return true;
		}

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdShowBg);
			copyCommand(argc, argv);

			return Cmd_Exit(0, 0);
		} else {
			clearBg(GraphicsManager::kBackgroundC);

			Background *background = _engine->getResourceManager()->loadBackground(filename);
			if (background) {
				_engine->getGraphicsManager()->draw(background, GraphicsManager::kBackgroundC);
				delete background;
				askForRedraw();
			}

			redrawScreen();

			if (argc == 3)
				restoreArchive();

			// Pause for a second to be able to see the background
			_engine->_system->delayMillis(1000);

			resetCommand();
		}
	} else {
		DebugPrintf("Syntax: showbg <bgname> (<cd number>)\n");
	}
	return true;
}

/**
 * Command: plays a sequence.
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdPlaySeq(int argc, const char **argv) {
	if (argc == 2 || argc == 3) {
		Common::String filename(const_cast<char *>(argv[1]));
		filename += ".seq";

		if (argc == 3) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[2])))
				return true;
		}

		if (!_engine->getResourceManager()->hasFile(filename)) {
			DebugPrintf("Cannot find file: %s\n", filename.c_str());
			return true;
		}

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdPlaySeq);
			copyCommand(argc, argv);

			return Cmd_Exit(0, 0);
		} else {
			Sequence *sequence = new Sequence(filename);
			if (sequence->load(getArchive(filename))) {

				// Check that we have at least a frame to show
				if (sequence->count() == 0) {
					delete sequence;
					return false;
				}

				_engine->getCursor()->show(false);

				SequenceFrame player(sequence, 0, true);
				do {
					// Clear screen
					clearBg(GraphicsManager::kBackgroundA);

					_engine->getGraphicsManager()->draw(&player, GraphicsManager::kBackgroundA);

					askForRedraw();
					redrawScreen();

					// Handle right-click to interrupt sequence
					Common::Event ev;
					_engine->getEventManager()->pollEvent(ev);
					if (ev.type == Common::EVENT_RBUTTONUP)
						break;

					_engine->_system->delayMillis(175);

					// go to the next frame
				} while (player.nextFrame());
				_engine->getCursor()->show(true);
			} else {
				// Sequence player is deleting his reference to the sequence, but we need to take care of it if the
				// sequence could not be loaded
				delete sequence;
			}

			resetCommand();

			if (argc == 3)
				restoreArchive();
		}
	} else {
		DebugPrintf("Syntax: playseq <seqname> (<cd number>)\n");
	}
	return true;
}

/**
 * Command: plays a sound
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdPlaySnd(int argc, const char **argv) {
	if (argc == 2 || argc == 3) {

		if (argc == 3) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[2])))
				return true;
		}

		// Add .SND at the end of the filename if needed
		Common::String name(const_cast<char *>(argv[1]));
		if (!name.contains('.'))
			name += ".SND";

		if (!_engine->getResourceManager()->hasFile(name)) {
			DebugPrintf("Cannot find file: %s\n", name.c_str());
			return true;
		}

		_engine->_system->getMixer()->stopAll();

		_soundStream->load(getArchive(name), 16);

		if (argc == 3)
			restoreArchive();
	} else {
		DebugPrintf("Syntax: playsnd <sndname> (<cd number>)\n");
	}
	return true;
}

/**
 * Command: plays subtitles
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdPlaySbe(int argc, const char **argv) {
	if (argc == 2 || argc == 3) {
		Common::String filename(const_cast<char *>(argv[1]));

		if (argc == 3) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[2])))
				return true;
		}

		filename += ".sbe";

		if (!_engine->getResourceManager()->hasFile(filename)) {
			DebugPrintf("Cannot find file: %s\n", filename.c_str());
			return true;
		}

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdPlaySbe);
			copyCommand(argc, argv);

			return Cmd_Exit(0, 0);
		} else {
			SubtitleManager subtitle(_engine->getFont());
			if (subtitle.load(getArchive(filename))) {
				_engine->getCursor()->show(false);
				for (uint16 i = 0; i < subtitle.getMaxTime(); i += 25) {
					clearBg(GraphicsManager::kBackgroundAll);

					subtitle.setTime(i);
					_engine->getGraphicsManager()->draw(&subtitle, GraphicsManager::kBackgroundOverlay);

					askForRedraw();
					redrawScreen();

					// Handle right-click to interrupt sequence
					Common::Event ev;
					_engine->getEventManager()->pollEvent(ev);
					if (ev.type == Common::EVENT_RBUTTONUP)
						break;

					_engine->_system->delayMillis(500);
				}
				_engine->getCursor()->show(true);
			}

			if (argc == 3)
				restoreArchive();

			resetCommand();
		}
	} else {
		DebugPrintf("Syntax: playsbe <sbename> (<cd number>)\n");
	}
	return true;
}

/**
 * Command: plays a NIS animation sequence.
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdPlayNis(int argc, const char **argv) {
	if (argc == 2 || argc == 3) {
		Common::String name(const_cast<char *>(argv[1]));

		if (argc == 3) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[2])))
				return true;
		}

		// If we got a nis filename, check that the file exists
		if (name.contains('.') && !_engine->getResourceManager()->hasFile(name)) {
			DebugPrintf("Cannot find file: %s\n", name.c_str());
			return true;
		}

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdPlayNis);
			copyCommand(argc, argv);

			return Cmd_Exit(0, 0);
		} else {
			// Make sure we are not called in a loop
			_numParams = 0;


			// Check if we got a nis filename or an animation index
			if (name.contains('.')) {
				Animation animation;
				if (animation.load(getArchive(name))) {
					_engine->getCursor()->show(false);
					animation.play();
					_engine->getCursor()->show(true);
				}
			} else {
				getAction()->playAnimation((EventIndex)atoi(name.c_str()), true);
			}

			if (argc == 3)
				restoreArchive();

			resetCommand();
		}
	} else {
		DebugPrintf("Syntax: playnis <nisname.nis or animation index> (<cd number>)\n");
	}
	return true;
}

/**
 * Command: loads a scene
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdLoadScene(int argc, const char **argv) {
	if (argc == 2 || argc == 3) {
		int cd = 1;
		SceneIndex index = (SceneIndex)getNumber(argv[1]);

		// Check args
		if (argc == 3) {
			if (!loadArchive((ArchiveIndex)getNumber(argv[2])))
				return true;
		}

		if (index > 2500) {
			DebugPrintf("Error: invalid index value (0-2500)");
			return true;
		}

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdLoadScene);
			copyCommand(argc, argv);

			return Cmd_Exit(0, 0);
		} else {

			clearBg(GraphicsManager::kBackgroundAll);

			/************  DEBUG  *************************/
			// Use to find scenes with certain values

			//for (int i = index; i < 2500; i++) {
			//	loadSceneObject(scene, i);

			//	if (scene.getHeader() && scene.getHeader()->car == 5 && scene.getHeader()->position == 81) {
			//		DebugPrintf("Found scene: %d", i);

			//		// Draw scene found
			//		_engine->getGraphicsManager()->draw(&scene, GraphicsManager::kBackgroundC);

			//		askForRedraw();
			//		redrawScreen();
			//		_engine->_system->delayMillis(500);

			//		break;
			//	}
			//}

			//delete _sceneLoader;
			//resetCommand();
			//return true;

			/*********************************************/
			Scene *scene = getScenes()->get(index);
			if (!scene) {
				DebugPrintf("Cannot load scene %i from CD %i", index, cd);
				resetCommand();

				return true;
			}

			_engine->getGraphicsManager()->draw(scene, GraphicsManager::kBackgroundC);

			askForRedraw();
			redrawScreen();

			// Pause for a second to be able to see the scene
			_engine->_system->delayMillis(500);

			if (argc == 3)
				restoreArchive();

			resetCommand();
		}
	} else {
		DebugPrintf("Syntax: loadscene <scene index> (<cd number>)\n");
	}
	return true;
}

/**
 * Command: starts a fight sequence
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdFight(int argc, const char **argv) {
	if (argc == 2) {
		FightType type = (FightType)getNumber(argv[1]);

		// Load proper data file
		ArchiveIndex index = kArchiveCd1;
		switch (type) {
		default:
			goto error;

		case kFightMilos:
			index = kArchiveCd1;
			break;

		case kFightAnna:
			index = kArchiveCd2;
			break;

		case kFightIvo:
		case kFightSalko:
		case kFightVesna:
			index = kArchiveCd3;
			break;
		}

		loadArchive(index);

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdFight);
			copyCommand(argc, argv);

			return false;
		} else {
			// Make sure we are not called in a loop
			_numParams = 0;

			clearBg(GraphicsManager::kBackgroundAll);
			askForRedraw();
			redrawScreen();

			SceneIndex lastScene = getState()->scene;

			getFight()->setup(type) ? DebugPrintf("Lost fight!\n") : DebugPrintf("Won fight!\n");

			// Pause for a second to be able to see the final scene
			_engine->_system->delayMillis(1000);

			// Restore loaded archive
			restoreArchive();

			// Stop audio and restore scene
			getSoundQueue()->stopAllSound();

			clearBg(GraphicsManager::kBackgroundAll);

			Scene *scene = getScenes()->get(lastScene);
			_engine->getGraphicsManager()->draw(scene, GraphicsManager::kBackgroundC);

			askForRedraw();
			redrawScreen();

			resetCommand();
		}
	} else {
error:
		DebugPrintf("Syntax: fight <id> (id=2001-2005)\n");
	}

	return true;
}

/**
 * Command: starts the beetle sequence
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdBeetle(int argc, const char **argv) {
	if (argc == 1) {
		// Load proper data file (beetle game in in Cd2)
		loadArchive(kArchiveCd2);

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdBeetle);
			copyCommand(argc, argv);

			return false;
		} else {
			clearBg(GraphicsManager::kBackgroundAll);
			askForRedraw();
			redrawScreen();

			// Save current state
			SceneIndex previousScene = getState()->scene;
			ObjectLocation previousLocation = getInventory()->get(kItemBeetle)->location;
			ChapterIndex previousChapter = (ChapterIndex)getProgress().chapter;

			// Setup scene & inventory
			getProgress().chapter = kChapter2;
			Scene *scene = getScenes()->get(kSceneBeetle);
			getInventory()->get(kItemBeetle)->location = kObjectLocation3;

			askForRedraw();
			redrawScreen();

			// Load the beetle game
			Action *action = NULL;
			Beetle *beetle = new Beetle(_engine);
			if (!beetle->isLoaded())
				beetle->load();

			// Play the game
			Common::Event ev;
			bool playgame = true;
			while (playgame) {
				// Update beetle
				beetle->update();

				askForRedraw();
				redrawScreen();

				while (g_system->getEventManager()->pollEvent(ev)) {

					switch (ev.type) {
					default:
						break;

					case Common::EVENT_KEYDOWN:
						// Exit beetle game on escape
						if (ev.kbd.keycode == Common::KEYCODE_ESCAPE)
							playgame = false;

						break;

					case Common::EVENT_MOUSEMOVE: {
						// Update cursor
						CursorStyle style = kCursorNormal;
						SceneHotspot *hotspot = NULL;
						if (scene->checkHotSpot(ev.mouse, &hotspot)) {
							if (!action)
								action = new Action(_engine);

							style = action->getCursor(*hotspot);
						}

						_engine->getCursor()->setStyle(style);
						break;
					}


					case Common::EVENT_LBUTTONUP:
					case Common::EVENT_RBUTTONUP:
						// Update coordinates
						getLogic()->getGameState()->setCoordinates(ev.mouse);

						if (beetle->catchBeetle())
							playgame = false;
						break;
					}

					_engine->_system->delayMillis(10);
				}
			}

			// Cleanup
			beetle->unload();
			delete beetle;
			delete action;

			// Pause for a second to be able to see the final scene
			_engine->_system->delayMillis(1000);

			// Restore state
			getProgress().chapter = previousChapter;
			getInventory()->get(kItemBeetle)->location = previousLocation;

			// Restore loaded archive
			restoreArchive();

			// Stop audio and restore scene
			getSoundQueue()->stopAllSound();

			clearBg(GraphicsManager::kBackgroundAll);

			Scene *oldScene = getScenes()->get(previousScene);
			_engine->getGraphicsManager()->draw(oldScene, GraphicsManager::kBackgroundC);

			askForRedraw();
			redrawScreen();

			resetCommand();
		}
	} else {
		DebugPrintf("Syntax: beetle\n");
	}

	return true;
}

/**
 * Command: adjusts the time delta
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdTimeDelta(int argc, const char **argv) {
	if (argc == 2) {
		int delta = getNumber(argv[1]);

		if (delta <= 0 || delta > 500)
			goto label_error;

		getState()->timeDelta = (uint)delta;
	} else {
label_error:
		DebugPrintf("Syntax: delta <time delta> (delta=1-500)\n");
	}

	return true;
}

/**
 * Command: Convert between in-game time and human readable time
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdTime(int argc, const char **argv) {
	if (argc == 2) {
		int32 time = getNumber(argv[1]);

		if (time < 0)
			goto label_error;

		// Convert to human-readable form
		uint8 hours = 0;
		uint8 minutes = 0;
		State::getHourMinutes((uint32)time, &hours, &minutes);

		DebugPrintf("%02d:%02d\n", hours, minutes);
	} else {
label_error:
		DebugPrintf("Syntax: time <time to convert> (time=0-INT_MAX)\n");
	}

	return true;
}

/**
 * Command: show game logic data
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdShow(int argc, const char **argv) {
#define OUTPUT_DUMP(name, text) \
	DebugPrintf(#name "\n"); \
	DebugPrintf("--------------------------------------------------------------------\n\n"); \
	DebugPrintf("%s", text); \
	DebugPrintf("\n");

	if (argc == 2) {

		Common::String name(const_cast<char *>(argv[1]));

		if (name == "state" || name == "st") {
			OUTPUT_DUMP("Game state", getState()->toString().c_str());
		} else if (name == "progress" || name == "pr") {
			OUTPUT_DUMP("Progress", getProgress().toString().c_str());
		} else if (name == "flags" || name == "fl") {
			OUTPUT_DUMP("Flags", getFlags()->toString().c_str());
		} else if (name == "inventory" || name == "inv") {
			OUTPUT_DUMP("Inventory", getInventory()->toString().c_str());
		} else if (name == "objects" || name == "obj") {
			OUTPUT_DUMP("Objects", getObjects()->toString().c_str());
		} else if (name == "savepoints" || name == "pt") {
			OUTPUT_DUMP("SavePoints", getSavePoints()->toString().c_str());
		} else if (name == "scene" || name == "sc") {
			OUTPUT_DUMP("Current scene", getScenes()->get(getState()->scene)->toString().c_str());
		} else {
			goto label_error;
		}

	} else {
label_error:
		DebugPrintf("Syntax: state <option>\n");
		DebugPrintf("          state / st\n");
		DebugPrintf("          progress / pr\n");
		DebugPrintf("          flags / fl\n");
		DebugPrintf("          inventory / inv\n");
		DebugPrintf("          objects / obj\n");
		DebugPrintf("          savepoints / pt\n");
		DebugPrintf("          scene / sc\n");
	}

	return true;

#undef OUTPUT_DUMP
}

/**
 * Command: shows entity data
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdEntity(int argc, const char **argv) {
	if (argc == 2) {
		EntityIndex index = (EntityIndex)getNumber(argv[1]);

		if (index > 39)
			goto label_error;

		DebugPrintf("Entity %s\n", ENTITY_NAME(index));
		DebugPrintf("--------------------------------------------------------------------\n\n");
		DebugPrintf("%s", getEntities()->getData(index)->toString().c_str());

		// The Player entity does not have any callback data
		if (index != kEntityPlayer) {
			EntityData *data = getEntities()->get(index)->getParamData();
			for (uint callback = 0; callback < 9; callback++) {
				DebugPrintf("Call parameters %d:\n", callback);
				for (byte ix = 0; ix < 4; ix++)
					DebugPrintf("  %s", data->getParameters(callback, ix)->toString().c_str());
			}
		}

		DebugPrintf("\n");
	} else {
label_error:
		DebugPrintf("Syntax: entity <index>\n");
		for (int i = 0; i < 40; i += 4)
			DebugPrintf(" %s - %d        %s - %d        %s - %d        %s - %d\n", ENTITY_NAME(i), i, ENTITY_NAME(i+1), i+1, ENTITY_NAME(i+2), i+2, ENTITY_NAME(i+3), i+3);
	}

	return true;
}

/**
 * Command: loads a game
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdLoadGame(int argc, const char **argv) {
	if (argc == 2) {
		int id = getNumber(argv[1]);

		if (id == 0 || id > 6)
			goto error;

		getSaveLoad()->loadGame((GameId)(id - 1));
	} else {
error:
		DebugPrintf("Syntax: loadgame <id> (id=1-6)\n");
	}

	return true;
}

/**
 * Command: switch to a specific chapter
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdSwitchChapter(int argc, const char **argv) {
	if (argc == 2) {
		int id = getNumber(argv[1]);

		if (id <= 1 || id > 6)
			goto error;

		// Store command
		if (!hasCommand()) {
			_command = WRAP_METHOD(Debugger, cmdSwitchChapter);
			copyCommand(argc, argv);

			return false;
		} else {
			// Sets the current chapter and then call Logic::switchChapter to proceed to the next chapter
			getState()->progress.chapter = (ChapterIndex)(id - 1);

			getLogic()->switchChapter();

			resetCommand();
		}
	} else {
error:
		DebugPrintf("Syntax: chapter <id> (id=2-6)\n");
	}

	return true;
}

/**
 * Command: clears the screen
 *
 * @param argc The argument count.
 * @param argv The values.
 *
 * @return true if it was handled, false otherwise
 */
bool Debugger::cmdClear(int argc, const char **) {
	if (argc == 1) {
		clearBg(GraphicsManager::kBackgroundAll);
		askForRedraw();
		redrawScreen();
	} else {
		DebugPrintf("Syntax: clear - clear the screen\n");
	}

	return true;
}

} // End of namespace LastExpress