/* 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 XEEN_DIALOGS_SPELLS_H
#define XEEN_DIALOGS_SPELLS_H

#include "common/array.h"
#include "mm/xeen/dialogs/dialogs.h"
#include "mm/xeen/party.h"

namespace MM {
namespace Xeen {

enum SpellDialogMode {
	SPELLS_DIALOG_BUY = 0, SPELLS_DIALOG_SELECT = 1, SPELLS_DIALOG_INFO = 0x80
};

struct SpellEntry {
	Common::String _name;
	int _spellIndex;
	int _spellId;
	int _color;

	SpellEntry(const Common::String &name, int spellIndex, int spellId) :
		_name(name), _spellIndex(spellIndex), _spellId(spellId), _color(9) {}
};

/**
 * Spells list dialog. Used for both selecting spells to cast, as well as the
 * spells listing when visiting Guild locations
 */
class SpellsDialog : public ButtonContainer {
private:
	SpriteResource _iconSprites;
	SpriteResource _scrollSprites;
	Common::Array<SpellEntry> _spells;

	/**
	 * Constructor
	 */
	SpellsDialog(XeenEngine *vm) : ButtonContainer(vm) {}

	/**
	 * Executes the dialog
	 */
	Character *execute(ButtonContainer *priorDialog, Character *c, int mode);

	/**
	 * Loads buttons for the dialog
	 */
	void loadButtons();

	/**
	 * Sets the spell text
	 */
	const char *setSpellText(Character *c, int isCasting);

#ifdef USE_TTS
	/**
	 * Voices text with TTS and sets up buttons
	 * @param text	Text for voicing and buttons. Each section should be separated by a newline
	 * @param mode	Mode of the spells menu
	 */
	void speakText(const Common::String &text, int mode);

	/**
	 * Resets all button texts to what's currently on screen
	 * @param text	Text, both for buttons and for voicing. Each section should be separated by a newline
	 * @param mode	Mode of the spells menu
	 * @returns		All text combined
	 */
	Common::String resetButtonTexts(const Common::String &text, int mode);
#endif
public:
	/**
	 * Show the spells list dialog
	 */
	static Character *show(XeenEngine *vm, ButtonContainer *priorDialog,
		Character *c, SpellDialogMode mode);
};

class CastSpell : public ButtonContainer {
private:
	SpriteResource _iconSprites;
	int _oldMode;
private:
	CastSpell(XeenEngine *vm);
	~CastSpell() override;

	int execute(Character *&c);

	void loadButtons();

#ifdef USE_TTS
	void speakText(const Common::String &text);
#endif
public:
	static int show(XeenEngine *vm);
};

class SpellOnWho : public ButtonContainer {
private:
	SpellOnWho(XeenEngine *vm) : ButtonContainer(vm) {}

	int execute(int spellId);
public:
	static Character *show(XeenEngine *vm, int spellId);
};

class SelectElement : public ButtonContainer {
private:
	SpriteResource _iconSprites;

	SelectElement(XeenEngine *vm) : ButtonContainer(vm) {}

	int execute(int spellId);

	void loadButtons();

#ifdef USE_TTS
	void speakText(const Common::String &text);
#endif
public:
	static int show(XeenEngine *vm, int spellId);
};

class NotWhileEngaged : public ButtonContainer {
private:
	NotWhileEngaged(XeenEngine *vm) : ButtonContainer(vm) {}

	void execute(int spellId);
public:
	static void show(XeenEngine *vm, int spellId);
};

class LloydsBeacon : public ButtonContainer {
private:
	SpriteResource _iconSprites;

	LloydsBeacon(XeenEngine *vm) : ButtonContainer(vm) {}

	bool execute();

	void loadButtons();

#ifdef USE_TTS
	void speakText(const Common::String &text);
#endif
public:
	static bool show(XeenEngine *vm);
};

class Teleport : public ButtonContainer {
private:
	SpriteResource _iconSprites;

	Teleport(XeenEngine *vm) : ButtonContainer(vm) {}

	int execute();
public:
	static int show(XeenEngine *vm);
};

class TownPortal : public ButtonContainer {
private:
	TownPortal(XeenEngine *vm) : ButtonContainer(vm) {}

	int execute();
public:
	static int show(XeenEngine *vm);
};

class IdentifyMonster : public ButtonContainer {
private:
	IdentifyMonster(XeenEngine *vm) : ButtonContainer(vm) {}

	void execute();

#ifdef USE_TTS
	void speakText(const Common::String &text) const;
#endif
public:
	static void show(XeenEngine *vm);
};

class DetectMonsters : public ButtonContainer {
private:
	DetectMonsters(XeenEngine *vm) : ButtonContainer(vm) {}

	void execute();
public:
	static void show(XeenEngine *vm);
};

} // End of namespace Xeen
} // End of namespace MM

#endif