/* 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.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef KYRA_RESOURCE_H
#define KYRA_RESOURCE_H


#include "common/scummsys.h"
#include "common/str.h"
#include "common/file.h"
#include "common/list.h"
#include "common/hash-str.h"
#include "common/hashmap.h"
#include "common/stream.h"
#include "common/ptr.h"
#include "common/archive.h"

#include "kyra/kyra_v1.h"
#include "kyra/lol.h"
#include "kyra/kyra_hof.h"

namespace Kyra {

class Resource;

class ResArchiveLoader;

class Resource {
public:
	Resource(KyraEngine_v1 *vm);
	~Resource();

	bool reset();

	bool loadPakFile(Common::String filename);
	bool loadPakFile(Common::String name, Common::SharedPtr<Common::ArchiveMember> file);

	void unloadPakFile(Common::String filename, bool remFromCache = false);

	bool isInPakList(Common::String filename);

	bool isInCacheList(Common::String name);

	bool loadFileList(const Common::String &filedata);
	bool loadFileList(const char * const *filelist, uint32 numFiles);

	// This unloads *all* pakfiles, even kyra.dat and protected ones.
	// It does not remove files from cache though!
	void unloadAllPakFiles();

	void listFiles(const Common::String &pattern, Common::ArchiveMemberList &list);

	bool exists(const char *file, bool errorOutOnFail=false);
	uint32 getFileSize(const char *file);
	uint8* fileData(const char *file, uint32 *size);
	Common::SeekableReadStream *createReadStream(const Common::String &file);

	bool loadFileToBuf(const char *file, void *buf, uint32 maxSize);
protected:
	typedef Common::HashMap<Common::String, Common::Archive*, Common::CaseSensitiveString_Hash, Common::CaseSensitiveString_EqualTo> ArchiveMap;
	ArchiveMap _archiveCache;

	Common::SearchSet _files;
	Common::SearchSet _archiveFiles;
	Common::SearchSet _protectedFiles;

	Common::Archive *loadArchive(const Common::String &name, Common::SharedPtr<Common::ArchiveMember> member);
	Common::Archive *loadInstallerArchive(const Common::String &file, const Common::String &ext, const uint8 offset);

	bool loadProtectedFiles(const char * const * list);

	void initializeLoaders();

	typedef Common::List<Common::SharedPtr<ResArchiveLoader> > LoaderList;
	LoaderList _loaders;

	KyraEngine_v1 *_vm;
};

enum KyraResources {
	kLoadAll = -1,

	k1ForestSeq,
	k1KallakWritingSeq,
	k1KyrandiaLogoSeq,
	k1KallakMalcolmSeq,
	k1MalcolmTreeSeq,
	k1WestwoodLogoSeq,

	k1Demo1Seq,
	k1Demo2Seq,
	k1Demo3Seq,
	k1Demo4Seq,

	k1AmuleteAnimSeq,

	k1OutroReunionSeq,

	k1IntroCPSStrings,
	k1IntroCOLStrings,
	k1IntroWSAStrings,
	k1IntroStrings,

	k1OutroHomeString,

	k1RoomFilenames,
	k1RoomList,

	k1CharacterImageFilenames,

	k1ItemNames,
	k1TakenStrings,
	k1PlacedStrings,
	k1DroppedStrings,
	k1NoDropStrings,

	k1PutDownString,
	k1WaitAmuletString,
	k1BlackJewelString,
	k1PoisonGoneString,
	k1HealingTipString,
	k1WispJewelStrings,
	k1MagicJewelStrings,

	k1ThePoisonStrings,
	k1FluteStrings,

	k1FlaskFullString,
	k1FullFlaskString,

	k1VeryCleverString,
	k1NewGameString,

	k1DefaultShapes,
	k1Healing1Shapes,
	k1Healing2Shapes,
	k1PoisonDeathShapes,
	k1FluteShapes,
	k1Winter1Shapes,
	k1Winter2Shapes,
	k1Winter3Shapes,
	k1DrinkShapes,
	k1WispShapes,
	k1MagicAnimShapes,
	k1BranStoneShapes,

	k1PaletteList,

	k1GUIStrings,
	k1ConfigStrings,

	k1AudioTracks,
	k1AudioTracksIntro,

	k1CreditsStrings,

	k1TownsSFXwdTable,
	k1TownsSFXbtTable,
	k1TownsCDATable,

	k1PC98StoryStrings,
	k1PC98IntroSfx,

	k1AmigaIntroSFXTable,
	k1AmigaGameSFXTable,

	k2SeqplayPakFiles,
	k2SeqplayCredits,
	k2SeqplayCreditsSpecial,
	k2SeqplayStrings,
	k2SeqplaySfxFiles,
	k2SeqplayTlkFiles,
	k2SeqplaySeqData,
	k2SeqplayIntroTracks,
	k2SeqplayFinaleTracks,
	k2SeqplayIntroCDA,
	k2SeqplayFinaleCDA,
	k2SeqplayShapeAnimData,

	k2IngamePakFiles,
	k2IngameSfxFiles,
	k2IngameSfxIndex,
	k2IngameTracks,
	k2IngameCDA,
	k2IngameTalkObjIndex,
	k2IngameTimJpStrings,
	k2IngameShapeAnimData,
	k2IngameTlkDemoStrings,

	k3MainMenuStrings,
	k3MusicFiles,
	k3ScoreTable,
	k3SfxFiles,
	k3SfxMap,
	k3ItemAnimData,
	k3ItemMagicTable,
	k3ItemStringMap,

#ifdef ENABLE_LOL
	kLolIngamePakFiles,
	kLolCharacterDefs,
	kLolIngameSfxFiles,
	kLolIngameSfxIndex,
	kLolMusicTrackMap,
	kLolIngameGMSfxIndex,
	kLolIngameMT32SfxIndex,
	kLolIngamePcSpkSfxIndex,
	kLolSpellProperties,
	kLolGameShapeMap,
	kLolSceneItemOffs,
	kLolCharInvIndex,
	kLolCharInvDefs,
	kLolCharDefsMan,
	kLolCharDefsWoman,
	kLolCharDefsKieran,
	kLolCharDefsAkshel,
	kLolExpRequirements,
	kLolMonsterModifiers,
	kLolMonsterShiftOffsets,
	kLolMonsterDirFlags,
	kLolMonsterScaleY,
	kLolMonsterScaleX,
	kLolMonsterScaleWH,
	kLolFlyingObjectShp,
	kLolInventoryDesc,

	kLolLevelShpList,
	kLolLevelDatList,
	kLolCompassDefs,
	kLolItemPrices,
	kLolStashSetup,

	kLolDscUnk1,
	kLolDscShapeIndex,
	kLolDscOvlMap,
	kLolDscScaleWidthData,
	kLolDscScaleHeightData,
	kLolDscX,
	kLolDscY,
	kLolDscTileIndex,
	kLolDscUnk2,
	kLolDscDoorShapeIndex,
	kLolDscDimData1,
	kLolDscDimData2,
	kLolDscBlockMap,
	kLolDscDimMap,
	kLolDscDoor1,
	kLolDscDoorScale,
	kLolDscDoor4,
	kLolDscDoorX,
	kLolDscDoorY,
	kLolDscOvlIndex,
	kLolDscBlockIndex,

	kLolScrollXTop,
	kLolScrollYTop,
	kLolScrollXBottom,
	kLolScrollYBottom,

	kLolButtonDefs,
	kLolButtonList1,
	kLolButtonList2,
	kLolButtonList3,
	kLolButtonList4,
	kLolButtonList5,
	kLolButtonList6,
	kLolButtonList7,
	kLolButtonList8,

	kLolLegendData,
	kLolMapCursorOvl,
	kLolMapStringId,

	kLolSpellbookAnim,
	kLolSpellbookCoords,
	kLolHealShapeFrames,
	kLolLightningDefs,
	kLolFireballCoords,

	kLolCredits,

	kLolHistory,
#endif // ENABLE_LOL

	kMaxResIDs
};

struct Shape;
struct Room;
struct AmigaSfxTable;

class StaticResource {
public:
	static const Common::String staticDataFilename() { return "KYRA.DAT"; }

	StaticResource(KyraEngine_v1 *vm) : _vm(vm), _resList(), _fileLoader(0), _builtIn(0), _filenameTable(0) {}
	~StaticResource() { deinit(); }

	bool loadStaticResourceFile();

	bool init();
	void deinit();

	const char * const *loadStrings(int id, int &strings);
	const uint8 *loadRawData(int id, int &size);
	const Shape *loadShapeTable(int id, int &entries);
	const AmigaSfxTable *loadAmigaSfxTable(int id, int &entries);
	const Room *loadRoomTable(int id, int &entries);
	const uint8 * const *loadPaletteTable(int id, int &entries);
	const HofSeqData *loadHofSequenceData(int id, int &entries);
	const ItemAnimData_v1 *loadShapeAnimData_v1(int id, int &entries);
	const ItemAnimData_v2 *loadShapeAnimData_v2(int id, int &entries);
#ifdef ENABLE_LOL
	const LoLCharacter *loadCharData(int id, int &entries);
	const SpellProperty *loadSpellData(int id, int &entries);
	const CompassDef *loadCompassData(int id, int &entries);
	const FlyingObjectShape *loadFlyingObjectData(int id, int &entries);
	const uint16 *loadRawDataBe16(int id, int &entries);
	const uint32 *loadRawDataBe32(int id, int &entries);
	const ButtonDef *loadButtonDefs(int id, int &entries);
#endif // ENABLE_LOL

	// use '-1' to prefetch/unload all ids
	// prefetchId retruns false if only on of the resources
	// can't be loaded and it breaks then the first res
	// can't be loaded
	bool prefetchId(int id);
	void unloadId(int id);
private:
	bool tryKyraDatLoad();

	KyraEngine_v1 *_vm;

	struct FilenameTable;
	struct ResData;
	struct FileType;

	bool checkResList(int id, int &type, const void *&ptr, int &size);
	const void *checkForBuiltin(int id, int &type, int &size);
	const FilenameTable *searchFile(int id);
	const FileType *getFiletype(int type);
	const void *getData(int id, int requesttype, int &size);

	bool loadLanguageTable(const char *filename, void *&ptr, int &size);
	bool loadStringTable(const char *filename, void *&ptr, int &size);
	bool loadRawData(const char *filename, void *&ptr, int &size);
	bool loadShapeTable(const char *filename, void *&ptr, int &size);
	bool loadAmigaSfxTable(const char *filename, void *&ptr, int &size);
	bool loadRoomTable(const char *filename, void *&ptr, int &size);
	bool loadPaletteTable(const char *filename, void *&ptr, int &size);
	bool loadHofSequenceData(const char *filename, void *&ptr, int &size);
	bool loadShapeAnimData_v1(const char *filename, void *&ptr, int &size);
	bool loadShapeAnimData_v2(const char *filename, void *&ptr, int &size);
#ifdef ENABLE_LOL
	bool loadCharData(const char *filename, void *&ptr, int &size);
	bool loadSpellData(const char *filename, void *&ptr, int &size);
	bool loadCompassData(const char *filename, void *&ptr, int &size);
	bool loadFlyingObjectData(const char *filename, void *&ptr, int &size);
	bool loadRawDataBe16(const char *filename, void *&ptr, int &size);
	bool loadRawDataBe32(const char *filename, void *&ptr, int &size);
	bool loadButtonDefs(const char *filename, void *&ptr, int &size);
#endif // ENABLE_LOL

	void freeRawData(void *&ptr, int &size);
	void freeStringTable(void *&ptr, int &size);
	void freeShapeTable(void *&ptr, int &size);
	void freeAmigaSfxTable(void *&ptr, int &size);
	void freeRoomTable(void *&ptr, int &size);
	void freePaletteTable(void *&ptr, int &size);
	void freeHofSequenceData(void *&ptr, int &size);
	void freeHofShapeAnimDataV1(void *&ptr, int &size);
	void freeHofShapeAnimDataV2(void *&ptr, int &size);
#ifdef ENABLE_LOL
	void freeCharData(void *&ptr, int &size);
	void freeSpellData(void *&ptr, int &size);
	void freeCompassData(void *&ptr, int &size);
	void freeFlyingObjectData(void *&ptr, int &size);
	void freeRawDataBe16(void *&ptr, int &size);
	void freeRawDataBe32(void *&ptr, int &size);
	void freeButtonDefs(void *&ptr, int &size);
#endif // ENABLE_LOL

	const char *getFilename(const char *name);
	Common::SeekableReadStream *getFile(const char *name);

	enum ResTypes {
		kLanguageList,
		kStringList,
		kRoomList,
		kShapeList,
		kRawData,
		kPaletteTable,
		kAmigaSfxTable,

		k2SeqData,
		k2ShpAnimDataV1,
		k2ShpAnimDataV2,

		kLolCharData,
		kLolSpellData,
		kLolCompassData,
		kLolFlightShpData,
		kLolRawDataBe16,
		kLolRawDataBe32,
		kLolButtonData
	};

	struct BuiltinRes {
		int id;
		int type;
		int size;
		const void *data;
	};

	struct FilenameTable {
		int id;
		int type;
		const char *filename;
	};

	struct FileType {
		int type;
		typedef bool (StaticResource::*LoadFunc)(const char *filename, void *&ptr, int &size);
		typedef void (StaticResource::*FreeFunc)(void *&ptr, int &size);

		LoadFunc load;
		FreeFunc free;
	};

	struct ResData {
		int id;
		int type;
		int size;
		void *data;
	};

	Common::List<ResData> _resList;

	const FileType *_fileLoader;
	const BuiltinRes *_builtIn;
	const FilenameTable *_filenameTable;
};

} // End of namespace Kyra

#endif