/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef ALG_SCENE_H
#define ALG_SCENE_H

#include "common/array.h"
#include "common/file.h"
#include "common/path.h"
#include "common/rect.h"
#include "common/str.h"

namespace Alg {

struct TokenEntry {
	const char *name;
	uint8 value;
};

const TokenEntry _mainTokens[] = {
	{"ZONE", 1},
	{"SCENE", 2},
	{"MSG", 3},
	{"START", 4},
	{"GLOBAL", 5},
	{"END", 6},
	{nullptr, 0}};

const TokenEntry _zoneTokens[] = {
	{"NEXT", 1},
	{"PTRFB", 2},
	{"RECT", 3},
	{";", 4},
	{nullptr, 0}};

const TokenEntry _sceneTokens[] = {
	{"NEXT", 1},
	{"ZONES", 2},
	{"PREOP", 3},
	{"SHOWMSG", 4},
	{"SCNMSG", 4},
	{"INSOP", 5},
	{"WEPDWN", 6},
	{"SCNSCR", 7},
	{"NXTFRM", 8},
	{"NXTSCN", 9},
	{"DATA", 10},
	{"DIFF", 11},
	{"MISSEDRECTS", 12},
	{"DIFFICULTY_MOD", 13},
	{";", 14},
	{nullptr, 0}};

class Rect : public Common::Rect {
public:
	Common::String _scene;
	uint32 _score;
	Common::String _rectHit;
	Common::String _unknown;
	bool _isMoving = false;
	Common::Rect _dest;
	void center(int16 cx, int16 cy, int16 w, int16 h) {
		right = cx + (w / 2);
		left = cx - (w / 2);
		top = cy - (h / 2);
		bottom = cy + (h / 2);
	}
};

class Zone {
public:
	Zone(const Common::String &name, uint32 startFrame, uint32 endFrame);
	Zone(const Common::String &name, const Common::String &ptrfb);
	~Zone();
	Common::String _name;
	uint32 _startFrame = 0;
	uint32 _endFrame = 0;
	Common::String _ptrfb;
	Common::Array<Rect *> _rects;
	Common::String _next;
	void addRect(int16 left, int16 top, int16 right, int16 bottom, const Common::String &scene, uint32 score, const Common::String &rectHit, const Common::String &unknown);
};

class Scene {
public:
	Scene(const Common::String &name, uint32 startFrame, uint32 endFrame);
	~Scene() = default;
	Common::String _name;
	uint32 _startFrame;
	uint32 _endFrame;
	Common::String _next;
	Common::String _zonesStart;
	Common::String _zonesStart2;
	Common::String _zonesStart3;
	Common::String _preop;
	Common::String _preopParam;
	Common::String _insop;
	Common::String _insopParam;
	Common::String _scnmsg;
	Common::String _scnmsgParam;
	Common::String _wepdwn;
	Common::String _scnscr;
	int32 _scnscrParam;
	Common::String _nxtfrm;
	Common::String _nxtscn;
	int32 _dataParam1;
	int32 _dataParam2;
	int32 _dataParam3;
	int32 _dataParam4;
	Common::String _dataParam5;
	Common::String _dataParam6;
	uint32 _diff;
	Common::String _missedRects;
	uint32 _difficultyMod;
	Common::Array<Zone *> _zones;
};

class SceneInfo {

public:
	SceneInfo();
	~SceneInfo();
	void loadScnFile(const Common::Path &path);
	Common::String getStartScene() { return _startScene; }
	Common::Array<Scene *> *getScenes() { return &_scenes; }
	Scene *findScene(const Common::String &sceneName);
	void addScene(Scene *scene);

private:
	Common::File _scnFile;
	Common::String _startScene;
	Common::Array<Scene *> _scenes;
	Common::Array<Zone *> _zones;

	void parseScene(const Common::String &sceneName, uint32 startFrame, uint32 endFrame);
	void parseZone(const Common::String &zoneName, uint32 startFrame, uint32 endFrame);
	void addZonesToScenes();
	Zone *findZone(const Common::String &zoneName);
	int8 getToken(const TokenEntry *tokenList, const Common::String &token);
	bool ignoreScriptLine(const Common::String &line);
};

} // End of namespace Alg

#endif