#ifndef __CPREGAME_H__
#define __CPREGAME_H__
#include "../global.h"
#include <set>
#include <SDL.h>
#include "../StartInfo.h"
#include "CMessage.h"
#include "../lib/map.h"
#include <boost/function.hpp>
#include <boost/bind.hpp>
#include <cstdlib>

/*
 * CPreGame.h, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */

struct CMusicHandler;
class CPreGame;
class CDefHandler;
extern CPreGame * CPG;

typedef void(CPreGame::*ttt)();
class CGroup;
class CPoinGroup ;
class IntSelBut;

struct HighButton
{
	int ID;
	int type;
	SDL_Rect pos;
	CDefHandler* imgs;
	int state;
	bool freeimgs;
	HighButton( SDL_Rect Pos, CDefHandler* Imgs, bool Sel=false, int id=-1);
	HighButton();
	virtual ~HighButton();
	bool selectable, selected;
	bool highlightable, highlighted;
	virtual void show();
	virtual void press(bool down=true);
	virtual	void hover(bool on=true)=0;
	virtual void select(bool on=true)=0;
};
struct Button: public HighButton
{
	CGroup *ourGroup;
	Button( SDL_Rect Pos, boost::function<void()> Fun,CDefHandler* Imgs, bool Sel=false, CGroup* gr=NULL, int id=-1);
	Button();
	boost::function<void()> fun;
	virtual	void hover(bool on=true);
	virtual void select(bool on=true);
};
struct SetrButton: public Button
{
	int key, * poin;
	virtual void press(bool down=true);
	SetrButton();
};

class Slider
{
public:
	bool vertical; // false means horizontal
	SDL_Rect pos; // position
	Button *up, *down, //or left/right
		*slider;
	int positionsAmnt, capacity;// capacity - amount of positions dispplayed at once
	int whereAreWe; // first displayed thing
	bool moving;
	boost::function<void(int)> fun;
	void clickDown(int x, int y, bool bzgl=true);
	void clickUp(int x, int y, bool bzgl=true);
	void mMove(int x, int y, bool bzgl=true);
	void moveUp();
	void moveDown();
	void deactivate();
	void activate();
	Slider(int x, int y, int h, int amnt, int cap, bool ver);
	~Slider();
	void updateSlid();
	void handleIt(SDL_Event sev);
};

struct IntBut: public Button
{
public:
	int key;
	int * what;
	IntBut();
	void set();
};
class CGroup
{
public:
	Button * selected;
	int type; // 1=sinsel
	CGroup():selected(NULL),type(0){};
};

class CPoinGroup :public CGroup
{
public:
	int * gdzie; //where (po polsku, bo by by�o s�owo kluczowe :/)
	void setYour(IntSelBut * your);
};
struct IntSelBut: public Button
{
public:
	CPoinGroup * ourPoinGroup;
	int key;
	IntSelBut(){};
	IntSelBut( SDL_Rect Pos, boost::function<void()> Fun,CDefHandler* Imgs, bool Sel=false, CPoinGroup* gr=NULL, int My=-1);
	void select(bool on=true);
};
class PreGameTab
{
public:
	bool showed;
	virtual void init()=0;
	virtual void show()=0;
	virtual void hide()=0;
	PreGameTab();
};
class RanSel : public PreGameTab
{
	Button horcpl[9], horcte[9], conpl[9], conte[8], water[4], monster[4], //last is random
			size[4], twoLevel, showRand;
	CGroup *Ghorcpl, *Ghorcte, *Gconpl, *Gconte, *Gwater, *Gmonster, *Gsize;
};
class Options : public PreGameTab
{
	bool inited;
	struct OptionSwitch:public HighButton
	{
		void hover(bool on=true){};
		void select(bool on=true){};
		OptionSwitch( SDL_Rect Pos, CDefHandler* Imgs, bool Left, int Which)
			:HighButton(Pos,Imgs,false,7),left(Left),which(Which)
			{selectable=false;highlightable=false;}
		void press(bool down=true);
		bool left;
		int playerID;
		int serialID;
		int which; //-1=castle;0=hero;1=bonus
	};
	struct PlayerFlag:public HighButton
	{
		int color;
		PlayerFlag(SDL_Rect Pos, CDefHandler* Imgs, int Color)
			:HighButton(Pos,Imgs,false,7),color(Color)
			{selectable=false;highlightable=true;}
		void hover(bool on=true);
		void press(bool down=true);
		void select(bool on=true){};
	};
	struct PlayerOptions
	{
		PlayerOptions(int serial, int player);
		Ecolor color;
		PlayerFlag flag;
		//SDL_Surface * bg;
		OptionSwitch Cleft, Cright, Hleft, Hright, Bleft, Bright;
		int nr;
	};
public:
	std::set<int> usedHeroes;
	Slider * turnLength;
	SDL_Surface * bg,
		* rHero, * rCastle, * nHero, * nCastle;
	std::vector<SDL_Surface*> bgs;
	std::vector<CDefHandler*> flags;
	CDefHandler //* castles, * heroes, * bonus,
		* left, * right,
		* bonuses;
	std::vector<PlayerOptions*> poptions;
	void show();
	void hide();
	void init();
	void showIcon (int what, int nr, bool abs); //what: -1=castle, 0=hero, 1=bonus, 2=all; abs=true -> nr is absolute
	bool canUseThisHero(int ID);
	int nextAllowedHero(int min, int max, int incl, int dir); //incl 0 - wlacznie; incl 1 - wylacznie; min-max - zakres szukania
	Options(){inited=showed=false;};
	~Options();
};
class MapSel : public PreGameTab
{
public:
	ESortBy sortBy;
	SDL_Surface * bg;
	CDefHandler * Dtypes, * Dvic;
	CDefHandler *Dsizes, * Dloss,
		* sFlags;
	std::vector<SDL_Surface*> scenImgs;

	std::vector<CMapInfo*> ourMaps; // Maps
	std::vector<CMapInfo*> ourGames; // Saved games
	std::vector<CMapInfo*> selMaps;	// (sub)set of either ourMaps or ourGames
	int selected;				// selected map, relative to selMaps

	IntBut small, medium, large, xlarge, all;
	SetrButton nrplayer, mapsize, type, name, viccon, loscon;
	Slider *slid, *descslid;
	int sizeFilter;
	void show();
	void hide();
	void init();
	std::string gdiff(std::string ss);
	void printMaps(int from=0);
	void select(int which, bool updateMapsList=true, bool forceSettingsUpdate=false);
	void moveByX(int nlines);
	void printSelectedInfo();
	void printFlags();
	void processMaps(const std::vector<std::string> &pliczkiTemp, int start, int threads);
	void processGames(const std::vector<std::string> &pliczkiTemp);
	void updateSelection();
	MapSel();
	~MapSel();
};
class ScenSel
{
public:
	CPoinGroup * difficulty;
	bool listShowed;
	//RanSel ransel;
	MapSel mapsel;
	SDL_Surface * background, *savenameStrip, *scenInf, *scenList, *randMap, *options ;
	Button bScens, bOptions, bRandom, bBegin, bLoad, bBack;
	IntSelBut	bEasy, bNormal, bHard, bExpert, bImpossible;
	Button * pressed;
	std::vector<Mapa> maps;
	int selectedDiff;
	void initRanSel();
	void showRanSel();
	void hideRanSel();
	void genScenList();
	ScenSel();
	~ScenSel();
} ;
class CPreGame
{
public:
	std::string playerName;
	int playerColor;
	HighButton * highlighted;
	PreGameTab* currentTab;
	StartInfo ret;
	bool run;
	bool first; //hasn't we showed the scensel
	std::vector<Slider *> interested;
	std::vector<HighButton *> btns;
	SDL_Rect * currentMessage;
	SDL_Surface * behindCurMes;
	CDefHandler *ok, *cancel;
	enum EState { //where are we?
		mainMenu, newGame, loadGame, ScenarioList, saveGame
	} state, fromMenu;
	struct menuItems {
		menuItems();
		~menuItems();
		SDL_Surface * background, *bgAd;
		CDefHandler *newGame, *loadGame, *highScores,*credits, *quit;
		SDL_Rect lNewGame, lLoadGame, lHighScores, lCredits, lQuit;
		ttt fNewGame, fLoadGame, fHighScores, fCredits, fQuit;
		int highlighted;//0=none; 1=new game; 2=load game; 3=high score; 4=credits; 5=quit
	} * ourMainMenu, * ourNewMenu, * ourLoadMenu;
	ScenSel *ourScenSel;
	Options * ourOptions;
	std::string map; //selected map
	CPreGame(); //c-tor
	~CPreGame();//d-tor
	std::string buttonText(int which);
	menuItems * currentItems();
	void(CPreGame::*handleOther)(SDL_Event&);
	void scenHandleEv(SDL_Event& sEvent);
	void begin();
	void quitAskBox();
	void quit(){exit(EXIT_SUCCESS);};
	void initScenSel();
	void showScenSel();
	void showScenList();
	void initOptions();
	void showOptions();
	void initNewMenu();
	void initLoadMenu();
	void showNewMenu();
	void showLoadMenu();
	void showMainMenu();
	StartInfo runLoop(); // runs mainloop of PreGame
	void initMainMenu(); //loads components for main menu
	void highlightButton(int which, int on); //highlights one from 5 main menu buttons
	void showCenBox (std::string data); //
	void showAskBox (std::string data, void(*f1)(),void(*f2)());
	void hideBox ();
	void printRating();
	void printMapsFrom(int from);
	void setTurnLength(int on);
	void sortMaps();
};


#endif // __CPREGAME_H__