// ==============================================================
//	This file is part of Glest (www.glest.org)
//
//	Copyright (C) 2001-2008 Martiño Figueroa
//
//	You can redistribute this code 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
// ==============================================================

#ifndef _GLEST_GAME_GRAPHCOMPONENT_H_
#define _GLEST_GAME_GRAPHCOMPONENT_H_

#ifdef WIN32
    #include <winsock2.h>
    #include <winsock.h>
#endif

#include <string>
#include <vector>
#include <map>
#include <typeinfo>
#include "font.h"
#include "texture.h"
#include "leak_dumper.h"
#include "vec.h"

using std::string;
using std::vector;

using Shared::Graphics::Font2D;
using Shared::Graphics::Font3D;
using namespace Shared::Graphics;
using Shared::Graphics::Vec3f;

namespace Glest{ namespace Game{

class GraphicComponent;

// ===========================================================
// 	class GraphicComponent
//
//	OpenGL renderer GUI components
// ===========================================================

class GraphicComponent : public FontChangedCallbackInterface {
public:
	static const float animSpeed;
	static const float fadeSpeed;

	static std::map<std::string, std::map<std::string, GraphicComponent *> > registeredGraphicComponentList;

protected:
    int x, y, w, h;
    string text;
    string textNativeTranslation;
	Font2D *font;
	Font3D *font3D;
	string font2DUniqueId;
	string font3DUniqueId;
	bool enabled;
	bool editable;
	bool visible;

	static float anim;
	static float fade;
	static Vec3f customTextColor;

	string containerName;
	string instanceName;
	string fontCallbackName;

	string getNewUUD();
	virtual void FontChangedCallback(std::string fontUniqueId, Font *font);

public:
	GraphicComponent(const std::string &containerName="", const std::string &objName="", bool registerControl=true);
	virtual ~GraphicComponent();

	static void setCustomTextColor(Vec3f value) { customTextColor = value; }
	static Vec3f getCustomTextColor() { return customTextColor; }

	static void clearRegisteredComponents(std::string containerName="");
	static void clearRegisterGraphicComponent(std::string containerName, std::string objName);
	static void clearRegisterGraphicComponent(std::string containerName, std::vector<std::string> objNameList);
	virtual void registerGraphicComponent(std::string containerName, std::string objName);
	virtual void registerGraphicComponentOnlyFontCallbacks(std::string containerName, std::string objName);
	static  GraphicComponent * findRegisteredComponent(std::string containerName, std::string objName);
	static void applyAllCustomProperties(std::string containerName);
	virtual void applyCustomProperties(std::string containerName);

	static bool saveAllCustomProperties(std::string containerName);
	virtual bool saveCustomProperties(std::string containerName);

	virtual void init(int x, int y, int w, int h);

	string getContainerName() const { return containerName; }
	string getInstanceName() const { return instanceName; }
	string getFontCallbackName() const { return fontCallbackName; }
	void setInstanceName(string value) { instanceName = value; }

    virtual int getX() const				{return x;}
	virtual int getY() const				{return y;}
	virtual int getW() const				{return w;}
	virtual int getH() const				{return h;}
	virtual const string &getText() const	{return text;}
	virtual const string &getTextNativeTranslation() { return this->textNativeTranslation;}
	virtual Font2D *getFont() 				{return font;}
	virtual Font3D *getFont3D() 			{return font3D;}
	virtual bool getEnabled() const			{return enabled;}
	virtual bool getEditable() const		{return editable;}
	virtual bool getVisible() const			{return visible;}

	virtual void setX(int x)					{this->x= x;}
	virtual void setY(int y)					{this->y= y;}
	virtual void setW(int w)					{this->w= w;}
	virtual void setH(int h)					{this->h= h;}
	virtual void setText(const string &text)	{this->text= text;}
	virtual void setTextNativeTranslation(const string &text)	{this->textNativeTranslation= text;}
	virtual void setFont(Font2D *font);
	virtual void setFont3D(Font3D *font);
	virtual void setEnabled(bool enabled)		{this->enabled= enabled;}
	virtual void setEditable(bool editable)		{this->editable= editable;}
	virtual void setVisible(bool value)			{this->visible = value;}

	virtual void reloadFonts();
	static void reloadFontsForRegisterGraphicComponents(std::string containerName);

	virtual bool eventMouseWheel(int x, int y,int zDelta);
    virtual bool mouseMove(int x, int y);
    virtual bool mouseClick(int x, int y);

	static void update();
	static void resetFade();
	static float getAnim()	{return anim;}
	static float getFade()	{return fade;}
};

// ===========================================================
// 	class GraphicLabel  
// ===========================================================

class GraphicLabel: public GraphicComponent {
public:
	static const int defH;
	static const int defW;

private:
	bool centered;
	Vec3f textColor;
	bool wordWrap;

	int centeredW;
	int centeredH;

	bool editModeEnabled;
	int maxEditWidth;
	int maxEditRenderWidth;
	bool renderBackground;
	Vec4f backgroundColor;

	vector<int> textCharLength;
	bool isPassword;
	Texture2D *texture;

public:
	GraphicLabel(const std::string &containerName="", const std::string &objName="", bool registerControl=true);
	void init(int x, int y, int w=defW, int h=defH, bool centered= false, Vec3f textColor=GraphicComponent::customTextColor, bool wordWrap=false);

	virtual bool mouseMove(int x, int y);

	vector<int> getTextCharLengthList() const { return textCharLength; }
	void setTextCharLengthList(vector<int> value) { textCharLength = value; }
	void clearTextCharLengthList() { textCharLength.clear(); }
	void addTextCharLengthToList(int length) { textCharLength.push_back(length); }
	void deleteTextCharLengthFromList() { textCharLength.pop_back(); }

	bool getIsPassword() const { return isPassword; }
	void setIsPassword(bool value) { isPassword = value; }

	bool getCentered() const	{return centered;}
	void setCentered(bool centered)	{this->centered= centered;}

	bool getCenteredW() const;
	//void setCenteredW(bool centered);

	bool getCenteredH() const;
	//void setCenteredH(bool centered);

	Vec3f getTextColor() const	{return textColor;}
	void setTextColor(Vec3f color)	{this->textColor= color;}

	bool getWordWrap() const { return wordWrap; }
	void setWordWrap(bool value) { wordWrap = value; }

	void setEditModeEnabled(bool value) { editModeEnabled = value; }
	bool getEditModeEnabled() const { return editModeEnabled; }

	void setMaxEditWidth(int value) { maxEditWidth = value; }
	int getMaxEditWidth() const { return maxEditWidth; }

	void setRenderBackground(bool value) { renderBackground = value; }
	bool getRenderBackground() const { return renderBackground; }
	Vec4f getBackgroundColor() const	{return backgroundColor;}
	void setBackgroundColor(Vec4f color)	{this->backgroundColor= color;}

	void setMaxEditRenderWidth(int value) { maxEditRenderWidth = value; }
	int getMaxEditRenderWidth() const { return maxEditRenderWidth; }

	void setTexture(Texture2D *value) { texture = value; }
	Texture2D *getTexture() const { return texture; }
};

// ===========================================================
// 	class GraphicButton  
// ===========================================================

class GraphicButton: public GraphicComponent {
public:
	static const int defH;
	static const int defW;
	
private:
	bool lighted;
	bool alwaysLighted;

	bool useCustomTexture;
	Texture *customTexture;
		
public:
	GraphicButton(const std::string &containerName="", const std::string &objName="", bool registerControl=true);
	void init(int x, int y, int w=defW, int h=defH);

	bool getUseCustomTexture() const { return useCustomTexture; }
	Texture *getCustomTexture() const { return customTexture; }

	void setUseCustomTexture(bool value) { useCustomTexture=value; }
	void setCustomTexture(Texture *value) { customTexture=value; }

	bool getLighted() const			{return lighted||alwaysLighted;}
	void setLighted(bool lighted)	{this->lighted= lighted;}
	bool getAlwaysLighted() const			{return alwaysLighted;}
	void setAlwaysLighted(bool value)	{this->alwaysLighted= value;}
	virtual bool mouseMove(int x, int y);  
};

// ===========================================================
// 	class GraphicScrollBar
// ===========================================================

class GraphicScrollBar: public GraphicComponent {
public:
	static const int defLength;
	static const int defThickness;

private:
	bool activated;
	bool lighted;
	bool horizontal;
	int elementCount;
	int visibleSize;
	int visibleStart;

	// position on component for renderer
	int visibleCompPosStart;
	int visibleCompPosEnd;

public:
	GraphicScrollBar(const std::string &containerName="", const std::string &objName="");
	void init(int x, int y, bool horizontal,int length=defLength, int thickness=defThickness);
	virtual bool mouseDown(int x, int y);
	virtual bool eventMouseWheel(int x, int y,int zDelta);
	virtual bool eventMouseWheel(int x, int y,int zDelta,bool ignorePos);
	virtual bool mouseMove(int x, int y);
	virtual void mouseUp(int x, int y);
	virtual bool mouseClick(int x, int y);


	bool getHorizontal() const		{return horizontal;}
	int getLength() const;
	void setLength(int length)	{horizontal?setW(length):setH(length);}
	//int getThickness() const;


	bool getLighted() const			{return lighted;}
	void setLighted(bool lighted)	{this->lighted= lighted;}

	int getElementCount() const		{return elementCount;}
	void setElementCount(int elementCount);
	int getVisibleSize() const		{return visibleSize;}
	void setVisibleSize(int visibleSize);
	int getVisibleStart() const		{return visibleStart;}
	int getVisibleEnd() const		{return visibleStart+visibleSize>elementCount-1?elementCount-1: visibleStart+visibleSize-1;}
	void setVisibleStart(int visibleStart);

	int getVisibleCompPosStart() const		{return visibleCompPosStart;}
	int getVisibleCompPosEnd() const		{return visibleCompPosEnd;}
	void arrangeComponents(vector<GraphicComponent *> &gcs);
};


// ===========================================================
// 	class GraphicListBox  
// ===========================================================

class GraphicListBox: public GraphicComponent {
public:
	static const int defH;
	static const int defW;

private:
    GraphicButton graphButton1, graphButton2;
    vector<string> items;
    vector<string> translated_items;
    int selectedItemIndex;
    bool lighted;
	Vec3f textColor;
	bool leftControlled;
	
public:
	GraphicListBox(const std::string &containerName="", const std::string &objName="");
    void init(int x, int y, int w=defW, int h=defH, Vec3f textColor=GraphicComponent::customTextColor);
    
	int getItemCount() const				{return (int)items.size();}
	string getItem(int index) const			{return items[index];}
	int getSelectedItemIndex() const		{return selectedItemIndex;}
	string getSelectedItem() const			{return items[selectedItemIndex];}
	GraphicButton *getButton1() 			{return &graphButton1;}
	GraphicButton *getButton2() 			{return &graphButton2;}
	bool getLighted() const					{return lighted;}
    void setLighted(bool lighted)			{this->lighted= lighted;}
	bool getLeftControlled() const					{return leftControlled;}
    void setLeftControlled(bool leftControlled);
	Vec3f getTextColor() const				{return textColor;}
    void setTextColor(Vec3f color)			{this->textColor= color;}

    void pushBackItem(string item, string translated_item="");
    void clearItems();
	vector<string> & getItems() {return items;}
    void setItems(const vector<string> &items, const vector<string> translated_items=vector<string>());
	void setSelectedItemIndex(int index, bool errorOnMissing=true);
    void setSelectedItem(string item, bool errorOnMissing=true);
    void setEditable(bool editable);

    bool hasItem(string item) const;

    virtual void setX(int x);
    virtual void setY(int y);

    virtual bool mouseMove(int x, int y);
    virtual bool mouseClick(int x, int y, string advanceToItemStartingWith="");

    virtual const string &getTextNativeTranslation();
};

// ===========================================================
// 	class GraphicComboBox
// ===========================================================
typedef vector<GraphicButton*> GraphicButtons;
class GraphicComboBox: public GraphicComponent {
public:
	static const int defH;
	static const int defW;

private:
	GraphicScrollBar scrollBar;
	GraphicButtons popupButtons;
    GraphicButton dropDownButton;
    bool popupShowing;
    int preselectedItemIndex;
    int popupLineCount;
    int popupButtonHeight;
    vector<string> items;
    vector<string> translated_items;
    int selectedItemIndex;
    bool lighted;
	Vec3f textColor;

public:
	GraphicComboBox(const std::string &containerName="", const std::string &objName="");
    void init(int x, int y, int w=defW, int h=defH, Vec3f textColor=GraphicComponent::customTextColor);

	int getItemCount() const				{return (int)items.size();}
	string getItem(int index) const			{return items[index];}
	int getSelectedItemIndex() const		{return selectedItemIndex;}
	string getSelectedItem() const {
		if (selectedItemIndex < 0)
			return "";
		else
			return items[selectedItemIndex];
	}
	GraphicButton *getButton() 			{return &dropDownButton;}
	GraphicScrollBar *getScrollbar() 			{return &scrollBar;}
	GraphicButtons *getPopupButtons() {return &popupButtons;}
	bool getLighted() const					{return lighted;}
    void setLighted(bool lighted)			{this->lighted= lighted;}
	Vec3f getTextColor() const				{return textColor;}
    void setTextColor(Vec3f color)			{this->textColor= color;}
    bool isDropDownShowing()           {return this->popupShowing; }

    void pushBackItem(string item, string translated_item="");
    void clearItems();

    GraphicButton* createButton(string item);
	vector<string> & getItems() {return items;}
    void setItems(const vector<string> &items, const vector<string> translated_items=vector<string>());
	void setSelectedItemIndex(int index, bool errorOnMissing=true);
    void setSelectedItem(string item, bool errorOnMissing=true);
    void setEditable(bool editable);

    bool hasItem(string item) const;

    virtual void setX(int x);
    virtual void setY(int y);

	virtual bool eventMouseWheel(int x, int y,int zDelta);
    virtual bool mouseMove(int x, int y);
    virtual bool mouseClick(int x, int y);
	virtual bool mouseDown(int x, int y);
	virtual void mouseUp(int x, int y);

    virtual const string &getTextNativeTranslation();

	int getPopupLineCount() const {return popupLineCount;}
	void setPopupLineCount(int popupLineCount);

	int getPopupButtonHeight() const {return popupButtonHeight;	}
	void setPopupButtonHeight(int popupButtonHeight) {
		this->popupButtonHeight = popupButtonHeight;
		scrollBar.setLength(popupLineCount * popupButtonHeight);
	}

	string getPreselectedItem() const {
		return items[preselectedItemIndex];
	}

	int getPreselectedItemIndex() const {
		return preselectedItemIndex;
	}

private:
    bool  mouseMoveOverButtons(int x, int y);
	void setPreselectedItemIndex(int index) {
		this->preselectedItemIndex = index;
	}
    virtual const string &getTextNativeTranslation(int index);
    virtual  void togglePopupVisibility();
    void clearButtons();
    void layoutButtons();
};

// ===========================================================
// 	class GraphicMessageBox  
// ===========================================================
class GraphicMessageBox: public GraphicComponent {
public:
	static const int defH;
	static const int defW;

private:
	GraphicButtons buttons;
	string header;
	bool autoWordWrap;

private:
	void alignButtons();
public:
	GraphicMessageBox(const std::string &containerName="", const std::string &objName="");
    virtual ~GraphicMessageBox();
	void init(const string &button1Str, const string &button2Str, int newWidth=-1,int newHeight=-1);
	void init(const string &button1Str, int newWidth=-1,int newHeight=-1);
	void init(int newWidth=-1,int newHeight=-1);
	void removeButtons();
	void addButton(const string &buttonStr, int width=-1,int height=-1);

	bool getAutoWordWrap() const { return autoWordWrap; }
	void setAutoWordWrap(bool value) { autoWordWrap = value; }

	int getButtonCount() const				{return (int)buttons.size();}
	GraphicButton *getButton(int index) 	{return buttons[index];}
	string getHeader() const				{return header;}

	virtual void setX(int x);
	virtual void setY(int y);
	
	void setHeader(string header)			{this->header= header;}

    virtual bool mouseMove(int x, int y);
    virtual bool mouseClick(int x, int y);
    bool mouseClick(int x, int y, int &clickedButton);
};

// ===========================================================
// 	class GraphicLine  
// ===========================================================

class GraphicLine: public GraphicComponent {
public:
	static const int defH;
	static const int defW;
	
private:
	bool horizontal;	
	
public:
	GraphicLine(const std::string &containerName="", const std::string &objName="");
	void init(int x, int y, int w=defW, int h=defH);
	bool getHorizontal() const		{return horizontal;}
	void setHorizontal(bool horizontal) 		{this->horizontal= horizontal;}
};

// ===========================================================
// 	class GraphicCheckBox  
// ===========================================================

class GraphicCheckBox: public GraphicComponent {
public:
	static const int defH;
	static const int defW;
	
private:
	bool value;
	bool lighted;

public:
	GraphicCheckBox(const std::string &containerName="", const std::string &objName="");
	void init(int x, int y, int w=defW, int h=defH);
	bool getValue() const		{return value;}
	void setValue(bool value) 		{this->value= value;}
	bool getLighted() const			{return lighted;}
	void setLighted(bool lighted)	{this->lighted= lighted;}
	virtual bool mouseMove(int x, int y);  
    virtual bool mouseClick(int x, int y);
};


// ===========================================================
// 	class PopupMenu
// ===========================================================

class PopupMenu: public GraphicComponent {
public:
	static const int defH;
	static const int defW;

private:
	std::vector<GraphicButton> buttons;
	string header;

public:
	PopupMenu(const std::string &containerName="", const std::string &objName="");
	virtual ~PopupMenu();
	void init(string menuHeader, std::vector<string> menuItems);

	std::vector<GraphicButton> & getMenuItems() {return buttons;}
	string getHeader() const				{return header;}

	virtual void setX(int x);
	virtual void setY(int y);

	void setHeader(string header)			{this->header= header;}

    virtual bool mouseMove(int x, int y);
    virtual bool mouseClick(int x, int y);
    std::pair<int,string> mouseClickedMenuItem(int x, int y);
};

}}//end namespace
#endif