#include "AdventureMapButton.h"
#include "CAdvmapInterface.h"
#include "SDL_Extensions.h"
#include "hch/CDefHandler.h"
#include "CGameInfo.h"
#include "hch/CLodHandler.h"
#include "hch/CGeneralTextHandler.h"
#include "hch/CTownHandler.h"
#include "CCallback.h"
#include "client/CConfigHandler.h"
#include "client/Graphics.h"
#include "CBattleInterface.h"
#include "CPlayerInterface.h"

/*
 * AdevntureMapButton.cpp, 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
 *
 */

AdventureMapButton::AdventureMapButton ()
{
	type=2;
	abs=true;
	active=false;
	ourObj=NULL;
	state=0;
	blocked = actOnDown = false;
}
//AdventureMapButton::AdventureMapButton( std::string Name, std::string HelpBox, boost::function<void()> Callback, int x, int y, std::string defName, bool activ,  std::vector<std::string> * add, bool playerColoredButton)
//{
//	init(Callback, Name, HelpBox, playerColoredButton, defName, add, x, y, activ);
//}
AdventureMapButton::AdventureMapButton( const std::string &Name, const std::string &HelpBox, const CFunctionList<void()> &Callback, int x, int y,  const std::string &defName,int key, std::vector<std::string> * add, bool playerColoredButton )
{
	std::map<int,std::string> pom;
	pom[0] = Name;
	init(Callback, pom, HelpBox, playerColoredButton, defName, add, x, y, key);
}

AdventureMapButton::AdventureMapButton( const std::map<int,std::string> &Name, const std::string &HelpBox, const CFunctionList<void()> &Callback, int x, int y, const std::string &defName, int key, std::vector<std::string> * add /*= NULL*/, bool playerColoredButton /*= false */ )
{
	init(Callback, Name, HelpBox, playerColoredButton, defName, add, x, y, key);
}

AdventureMapButton::AdventureMapButton( const std::string &Name, const std::string &HelpBox, const CFunctionList<void()> &Callback, config::ButtonInfo *info, int key/*=0*/ )
{
	std::map<int,std::string> pom;
	pom[0] = Name;
	init(Callback, pom, HelpBox, info->playerColoured, info->defName, &info->additionalDefs, info->x, info->y, key);
}

AdventureMapButton::AdventureMapButton( const std::pair<std::string, std::string> help, const CFunctionList<void()> &Callback, int x, int y, const std::string &defName, int key/*=0*/, std::vector<std::string> * add /*= NULL*/, bool playerColoredButton /*= false */ )
{
	std::map<int,std::string> pom;
	pom[0] = help.first;
	init(Callback, pom, help.second, playerColoredButton, defName, add, x, y, key);
}
void AdventureMapButton::clickLeft (boost::logic::tribool down)
{
	if(blocked)
		return;
	if (down)
		state=1;
	else
		state=0;
	show(screen2);
	if (actOnDown && down)
	{
		pressedL=state;
		//if(!callback.empty())
			callback();
	}
	else if (!actOnDown && pressedL && (down==false))
	{
		pressedL=state;
		//if(!callback.empty())
			callback();
	}
	else
	{
		pressedL=state;
	}
}

void AdventureMapButton::clickRight (boost::logic::tribool down)
{
	if(helpBox.size()) //there is no point to show window with nothing inside...
		LOCPLINT->adventureInt->handleRightClick(helpBox,down,this);
}

void AdventureMapButton::hover (bool on)
{
	Hoverable::hover(on);
	std::string *name = (vstd::contains(hoverTexts,state)) 
							? (&hoverTexts[state]) 
							: (vstd::contains(hoverTexts,0) ? (&hoverTexts[0]) : NULL);
	if(name && blocked!=1) //if there is no name, there is nohing to display also
	{
		if (LOCPLINT->battleInt) //for battle buttons
		{
			if(on && LOCPLINT->battleInt->console->alterTxt == "")
			{
				LOCPLINT->battleInt->console->alterTxt = *name;
				LOCPLINT->battleInt->console->whoSetAlter = 1;
			}
			else if (LOCPLINT->battleInt->console->alterTxt == *name)
			{
				LOCPLINT->battleInt->console->alterTxt = "";
				LOCPLINT->battleInt->console->whoSetAlter = 0;
			}
		}
		else //for other buttons
		{
			if (on)
				LOCPLINT->statusbar->print(*name);
			else if ( LOCPLINT->statusbar->getCurrent()==(*name) )
				LOCPLINT->statusbar->clear();
		}
	}
}

void AdventureMapButton::activate()
{
	if (active) return;
	active=true;
	ClickableL::activate();
	ClickableR::activate();
	Hoverable::activate();
	KeyInterested::activate();
}
void AdventureMapButton::deactivate()
{
	if (!active) return;
	active=false;
	ClickableL::deactivate();
	ClickableR::deactivate();
	Hoverable::deactivate();
	KeyInterested::deactivate();
}

void AdventureMapButton::init(const CFunctionList<void()> &Callback, const std::map<int,std::string> &Name, const std::string &HelpBox, bool playerColoredButton, const std::string &defName, std::vector<std::string> * add, int x, int y, int key)
{
	callback = Callback;
	blocked = actOnDown = false;
	type=2;
	abs=true;
	active=false;
	ourObj=NULL;
	assignedKeys.insert(key);
	state=0;
	hoverTexts = Name;
	helpBox=HelpBox;
	//int est = LOCPLINT->playerID; //TODO use me
	CDefHandler * temp = CDefHandler::giveDef(defName); 
	temp->notFreeImgs = true;
	for (size_t i=0;i<temp->ourImages.size();i++)
	{
		imgs.resize(1);
		imgs[0].push_back(temp->ourImages[i].bitmap);
		if(playerColoredButton)
		{
			graphics->blueToPlayersAdv(imgs[curimg][i],LOCPLINT->playerID);
		}
	}
	delete temp;
	if (add && add->size())
	{
		imgs.resize(imgs.size()+add->size());
		for (size_t i=0; i<add->size();i++)
		{
			temp = CDefHandler::giveDef((*add)[i]);
			temp->notFreeImgs = true;
			for (size_t j=0;j<temp->ourImages.size();j++)
			{
				imgs[i+1].push_back(temp->ourImages[j].bitmap);
				if(playerColoredButton)
				{
					graphics->blueToPlayersAdv(imgs[1+i][j],LOCPLINT->playerID);
				}
			}
			delete temp;
		}
		//delete add;
	}
	pos.x=x;
	pos.y=y;
	pos.w = imgs[curimg][0]->w;
	pos.h = imgs[curimg][0]->h  -1;
}

void AdventureMapButton::block( ui8 on )
{
	blocked = on;
	state = 0;
	bitmapOffset = on ? 2 : 0;
	show(screen2);
}

void CHighlightableButton::select(bool on)
{
	selected = on;
	state = selected ? 3 : 0;
	if(selected)
		callback();
	else 
		callback2();
	if(hoverTexts.size()>1)
	{
		hover(false);
		hover(true);
	}
}

void CHighlightableButton::clickLeft( tribool down )
{
	if(blocked)
		return;
	if (down)
		state=1;
	else
		state = selected ? 3 : 0;
	show(screen2);
	if (pressedL && (down==false))
	{
		pressedL=state;
		if(!onlyOn || !selected)
			select(!selected);
	}
	else
	{
		pressedL=state;
	}
}

CHighlightableButton::CHighlightableButton( const CFunctionList<void()> &onSelect, const CFunctionList<void()> &onDeselect, const std::map<int,std::string> &Name, const std::string &HelpBox, bool playerColoredButton, const std::string &defName, std::vector<std::string> * add, int x, int y, int key)
: onlyOn(false), selected(false), callback2(onDeselect)
{
	init(onSelect,Name,HelpBox,playerColoredButton,defName,add,x,y,key);
}

void CHighlightableButtonsGroup::addButton(CHighlightableButton* bt)
{
	bt->callback += boost::bind(&CHighlightableButtonsGroup::selectionChanged,this,bt->ID);
	buttons.push_back(bt);
}

void CHighlightableButtonsGroup::addButton(const std::map<int,std::string> &tooltip, const std::string &HelpBox, const std::string &defName, int x, int y, int uid, const CFunctionList<void()> &OnSelect, int key)
{
	CHighlightableButton *bt = new CHighlightableButton(OnSelect, 0, tooltip, HelpBox, false, defName, 0, x, y, key);
	if(musicLike)
	{
		bt->bitmapOffset = buttons.size() - 3;
	}
	bt->ID = uid;
	bt->callback += boost::bind(&CHighlightableButtonsGroup::selectionChanged,this,bt->ID);
	bt->onlyOn = true;
	buttons.push_back(bt);
}	

CHighlightableButtonsGroup::CHighlightableButtonsGroup(const CFunctionList2<void(int)> &OnChange, bool musicLikeButtons)
: musicLike(musicLikeButtons), onChange(OnChange)
{}

CHighlightableButtonsGroup::~CHighlightableButtonsGroup()
{
	for(size_t i=0;i<buttons.size();i++)
	{
		delete buttons[i];
	}
}

void CHighlightableButtonsGroup::activate()
{
	for(size_t i=0;i<buttons.size();i++)
	{
		buttons[i]->activate();
	}
}

void CHighlightableButtonsGroup::deactivate()
{
	for(size_t i=0;i<buttons.size();i++)
	{
		buttons[i]->deactivate();
	}
}

void CHighlightableButtonsGroup::select(int id, bool mode)
{
	CHighlightableButton *bt = NULL;
	if(mode)
	{
		for(size_t i=0;i<buttons.size() && !bt; ++i)
			if (buttons[i]->ID == id)
				bt = buttons[i];
	}
	else
	{
		bt = buttons[id];
	}
	bt->select(true);
	selectionChanged(bt->ID);
}

void CHighlightableButtonsGroup::selectionChanged(int to)
{
	for(size_t i=0;i<buttons.size(); ++i)
		if(buttons[i]->ID!=to && buttons[i]->selected)
			buttons[i]->select(false);
	onChange(to);
}

void CHighlightableButtonsGroup::show(SDL_Surface * to )
{
	for(size_t i=0;i<buttons.size(); ++i) 
	{
		if(!musicLike || (musicLike && buttons[i]->selected)) //if musicLike, print only selected button
			buttons[i]->show(to);
	}
}

void CSlider::sliderClicked()
{
	if(!moving)
	{
		MotionInterested::activate();
		moving = true;
	}
}

void CSlider::mouseMoved (const SDL_MouseMotionEvent & sEvent)
{
	if(	std::abs(sEvent.y-(pos.y+pos.h/2)) > pos.h/2+40  ||  std::abs(sEvent.x-(pos.x+pos.w/2)) > pos.w/2  ) 
		return;
	float v = sEvent.x - pos.x - 24;
	v*=amount;
	v/= (pos.w - 48);
	v += 0.5f;
	if(v!=value)
	{
		moveTo(v);
		redrawSlider();
	}
}

void CSlider::redrawSlider()
{
	slider.show(screen2);
}

void CSlider::moveLeft()
{
	moveTo(value-1);
}

void CSlider::moveRight()
{
	moveTo(value+1);
}

void CSlider::moveTo(int to)
{
	if(to<0)
		to=0;
	else if(to>amount)
		to=amount;
	value = to;
	if(amount)
	{
		float part = (float)to/amount;
		part*=(pos.w-48);
		slider.pos.x = part + pos.x + 16;
	}
	else
		slider.pos.x = pos.x+16;
	moved(to);
}

void CSlider::activate() // makes button active
{
	left.activate();
	right.activate();
	slider.activate();
	ClickableL::activate();
}

void CSlider::deactivate() // makes button inactive (but doesn't delete)
{
	left.deactivate();
	right.deactivate();
	slider.deactivate();
	ClickableL::deactivate();
}

void CSlider::clickLeft (tribool down)
{
	if(down)
	{
		float pw = LOCPLINT->current->motion.x-pos.x-24;
		float rw = pw / ((float)(pos.w-48));
		if (rw>1) return;
		if (rw<0) return;
		moveTo(rw*amount+0.5f);
		return;
	}
	if(moving)
	{
		MotionInterested::deactivate();
		moving = false;
	}
}

void CSlider::show(SDL_Surface * to)
{
	left.show(to);
	right.show(to);
	slider.show(to);
}

CSlider::~CSlider()
{
	delete imgs;
}

CSlider::CSlider(int x, int y, int totalw, boost::function<void(int)> Moved, int Capacity, int Amount, int Value, bool Horizontal)
:capacity(Capacity),amount(Amount),value(Value),horizontal(Horizontal), moved(Moved)
{
	moving = false;
	strongInterest = true;
	imgs = CDefHandler::giveDefEss("IGPCRDIV.DEF");

	left.pos.y = slider.pos.y = right.pos.y = pos.y = y;
	left.pos.x = pos.x = x;
	right.pos.x = x + totalw - 16;
	left.callback = boost::bind(&CSlider::moveLeft,this);
	right.callback = boost::bind(&CSlider::moveRight,this);
	slider.callback = boost::bind(&CSlider::sliderClicked,this);
	left.pos.w = left.pos.h = right.pos.w = right.pos.h = slider.pos.w = slider.pos.h = pos.h = 16;
	pos.w = totalw;
	left.imgs.resize(1); right.imgs.resize(1); slider.imgs.resize(1);
	left.imgs[0].push_back(imgs->ourImages[0].bitmap); left.imgs[0].push_back(imgs->ourImages[1].bitmap);
	right.imgs[0].push_back(imgs->ourImages[2].bitmap); right.imgs[0].push_back(imgs->ourImages[3].bitmap);
	slider.imgs[0].push_back(imgs->ourImages[4].bitmap);
	left.notFreeButton = right.notFreeButton = slider.notFreeButton = true;
	slider.actOnDown = true;

	moveTo(value);
}

void CSlider::block( bool on )
{
	left.block(on);
	right.block(on);
	slider.block(on);
}