/* ResidualVM - A 3D game interpreter
 *
 * ResidualVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the AUTHORS
 * 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 "engines/advancedDetector.h"
#include "engines/stark/stark.h"
#include "engines/stark/services/stateprovider.h"

#include "common/savefile.h"
#include "common/system.h"

namespace Stark {

static const PlainGameDescriptor starkGames[] = {
	{"stark", "Stark Game"},
	{"tlj", "The Longest Journey"},
	{0, 0}
};

static const ADGameDescription gameDescriptions[] = {
	// The Longest Journey
	// English DVD
	{
		"tlj", "DVD", {
			{"x.xarc", 0, "de8327850d7bba90b690b141eaa23f61", 3032},
			{"chapters.ini", 0, "5b5a1f1dd2297d9ce0d3d12216d5d2c5", 485},
			{NULL, 0, NULL, 0}
		},
		Common::EN_ANY,
		Common::kPlatformWindows,
		GF_DVD,
		GUIO_NONE
	},

	// The Longest Journey
	// GOG edition
	{
		"tlj", "GOG", {
			{"x.xarc", 0, "a0559457126caadab0cadac02d35f26f", 3032},
			{"chapters.ini", 0, "5b5a1f1dd2297d9ce0d3d12216d5d2c5", 485},
			{NULL, 0, NULL, 0}
		},
		Common::EN_ANY,
		Common::kPlatformWindows,
		ADGF_NO_FLAGS,
		GUIO_NONE
	},

	// The Longest Journey
	// English Old Demo
	{
		"tlj", "Old Demo", {
			{"x.xarc", 0, "97abc1bb9239dee4c208e533f3c97e1c", 98},
			{"chapters.ini", 0, "5b5a1f1dd2297d9ce0d3d12216d5d2c5", 485},
			{NULL, 0, NULL, 0}
		},
		Common::EN_ANY,
		Common::kPlatformWindows,
		ADGF_DEMO,
		GUIO_NONE
	},

	// The Longest Journey
	// English v1.61 Demo
	{
		"tlj", "v1.61 Demo", {
			{"x.xarc", 0, "61093bcd499b386ed5c0345c52f48909", 98},
			{"chapters.ini", 0, "5b5a1f1dd2297d9ce0d3d12216d5d2c5", 485},
			{NULL, 0, NULL, 0}
		},
		Common::EN_ANY,
		Common::kPlatformWindows,
		ADGF_DEMO | GF_DVD,
		GUIO_NONE
	},

	// The Longest Journey
	// French Demo
	{
		"tlj", "Demo", {
			{"x.xarc", 0, "97abc1bb9239dee4c208e533f3c97e1c", 98},
			{"chapters.ini", 0, "e54f6370dca06496069790840409cf95", 506},
			{NULL, 0, NULL, 0}
		},
		Common::FR_FRA,
		Common::kPlatformWindows,
		ADGF_DEMO,
		GUIO_NONE
	},

	// The Longest Journey
	// Norwegian Demo
	{
		"tlj", "Demo", {
			{"x.xarc", 0, "97abc1bb9239dee4c208e533f3c97e1c", 98},
			{"chapters.ini", 0, "f358f604abd1aa1476ed05d6d271ac70", 473},
			{NULL, 0, NULL, 0}
		},
		Common::NB_NOR,
		Common::kPlatformWindows,
		ADGF_DEMO,
		GUIO_NONE
	},
	
	// The Longest Journey
	// Norwegian DLC-edition (DVD?)
	{
		"tlj", "DVD", {
			{"x.xarc", 0, "de8327850d7bba90b690b141eaa23f61", 3032},
			{"chapters.ini", 0, "f358f604abd1aa1476ed05d6d271ac70", 473},
			{NULL, 0, NULL, 0}
		},
		Common::NB_NOR,
		Common::kPlatformWindows,
		ADGF_NO_FLAGS,
		GUIO_NONE
	},
	
	// The Longest Journey
	// Spanish 4CD
	{
		"tlj", "4 CD", {
			{"x.xarc", 0, "a0559457126caadab0cadac02d35f26f", 3032},
			{"chapters.ini", 0, "3640df6d536b186bff228337284d9631", 525},
			{NULL, 0, NULL, 0}
		},
		Common::ES_ESP,
		Common::kPlatformWindows,
		ADGF_NO_FLAGS,
		GUIO_NONE
	},

	// The Longest Journey
	// French 2CD
	{
		"tlj", "2 CD", {
			{"x.xarc", 0, "de8327850d7bba90b690b141eaa23f61", 3032},
			{"chapters.ini", 0, "e54f6370dca06496069790840409cf95", 506},
			{NULL, 0, NULL, 0}
		},
		Common::FR_FRA,
		Common::kPlatformWindows,
		ADGF_NO_FLAGS,
		GUIO_NONE
	},


	// The Longest Journey
	// Swedish Demo
	{
		"tlj", "Demo", {
			{"x.xarc", 0, "97abc1bb9239dee4c208e533f3c97e1c", 98},
			{"chapters.ini", 0, "f6a2007300209492b7b90b4c0467832d", 462},
			{NULL, 0, NULL, 0}
		},
		Common::SE_SWE,
		Common::kPlatformWindows,
		ADGF_DEMO,
		GUIO_NONE
	},

	AD_TABLE_END_MARKER
};
/*
// File based fallback game description
static const ADGameDescription fallbackDescription = {
	"tlj", "Unknown", {
		{"x.xarc", 0, NULL, -1},
		{"chapters.ini", 0, NULL, -1},
		{NULL, 0, NULL, 0}
	},
	Common::UNK_LANG,
	Common::kPlatformWindows,
	ADGF_NO_FLAGS,
	GUIO_NONE
};

static const ADFileBasedFallback fileBasedFallback[] = {
	{&fallbackDescription, {"x.xarc", "chapters.ini", "w_world.ini", NULL}},
	{NULL, {NULL}}
};*/

class StarkMetaEngine : public AdvancedMetaEngine {
public:
	StarkMetaEngine() : AdvancedMetaEngine(gameDescriptions, sizeof(ADGameDescription), starkGames) {
		_singleid = "stark";
		_guioptions = GUIO1(GUIO_NOMIDI);
	}
	
	virtual const char *getName() const {
		return "Stark Engine";
	}

	virtual const char *getOriginalCopyright() const {
		return "(C) Funcom";
	}

	virtual bool hasFeature(MetaEngineFeature f) const {
		return
			(f == kSupportsListSaves) ||
			(f == kSupportsLoadingDuringStartup);
	}

	int getMaximumSaveSlot() const {
		return 99;
	}

	static bool cmpSave(const SaveStateDescriptor &x, const SaveStateDescriptor &y) {
		return x.getSaveSlot() < y.getSaveSlot();
	}

	virtual SaveStateList listSaves(const char *target) const {
		SaveStateList saveList;
		Common::StringArray filenames = g_system->getSavefileManager()->listSavefiles("Save??.tlj");

		char slot[3];
		for (Common::StringArray::const_iterator filename = filenames.begin(); filename != filenames.end(); ++filename) {
			// Extract the slot number from the filename
			slot[0] = filename->c_str()[4];
			slot[1] = filename->c_str()[5];
			slot[2] = '\0';

			// Read the description from the save
			Common::String description;
			Common::InSaveFile *save = g_system->getSavefileManager()->openForLoading(*filename);
			if (save) {
				StateReadStream *stream = new StateReadStream(save);
				description = stream->readString();
				delete stream;
			}

			saveList.push_back(SaveStateDescriptor(atoi(slot), description));
		}

		Common::sort(saveList.begin(), saveList.end(), cmpSave);
		return saveList;
	}

	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
};

bool StarkMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
	if (desc)
		*engine = new StarkEngine(syst, desc);

	return desc != 0;
}

} // End of namespace Stark

#if PLUGIN_ENABLED_DYNAMIC(STARK)
	REGISTER_PLUGIN_DYNAMIC(STARK, PLUGIN_TYPE_ENGINE, Stark::StarkMetaEngine);
#else
	REGISTER_PLUGIN_STATIC(STARK, PLUGIN_TYPE_ENGINE, Stark::StarkMetaEngine);
#endif