#include "messagewidget.hpp"
#include "fontfactory.h"
using namespace SDLwidgets;

MessageWidget::MessageWidget( int width, int height ) {
	_width = width;
	_height = height;

	// default color for a text label is white
	_color.r = 255;
	_color.g = 255;
	_color.b = 255;
	
	m_font = FontFactory::getInstance()->createFont( "tahoma.ttf", 12 );
}

MessageWidget::~MessageWidget() {
}

void MessageWidget::setFont( std::string fontName, int fontSize ) {
	m_font = FontFactory::getInstance()->createFont( fontName, fontSize );
}

void MessageWidget::draw( SDL_Surface* surface ) {
	SDL_Rect srcRect, destRect;
	Sint16 offset_x, offset_y;
	getOffset( offset_x, offset_y );

	int maxHeight = TTF_FontHeight( m_font );
	destRect.x = offset_x;
	destRect.y = offset_y + _height - maxHeight;
	srcRect.x = 0;
	srcRect.y = 0;
	srcRect.w = _width;
	srcRect.h = maxHeight;
	std::vector<SDL_Color>::reverse_iterator colorIt =
		m_messageColor.rbegin();
	for ( std::vector<std::string>::reverse_iterator lineIt =
	        m_messageLine.rbegin();
	      lineIt != m_messageLine.rend() && destRect.y >= offset_y;
	      lineIt++, colorIt++, destRect.y -= maxHeight + 1 ) {
		SDL_Surface* textSurface =
			TTF_RenderText_Solid( m_font, lineIt->c_str(), *colorIt );
		SDL_BlitSurface( textSurface, &srcRect, surface, &destRect );
		SDL_FreeSurface( textSurface );
	}
}