/*
   client/console.cc
   This file is part of the Osirion project and is distributed under 
   the terms and conditions of the GNU General Public License version 2 
*/

#include "client/client.h"
#include "client/console.h"
#include "core/core.h"
#include "render/render.h"

#include <iostream>

namespace client {

Console::Console() {
	visible = false;
}

std::ostream & Console::messagestream()
{
	return (buffer << ". ");
}

std::ostream & Console::warningstream()
{
	return (buffer << "* ");
}

std::ostream & Console::errorstream()
{
	return (buffer << "! ");
}

std::ostream & Console::debugstream()
{
	return (buffer << "? ");
}

void Console::draw()
{
	using namespace render;

	flush();

	float height;

	if (core::game()) {
		if (!core::game()->ready())
			height = 0.6f;
		else if (visible)
			height = 0.6f;
		else
			return;
	} else
		height = 1.0f;
	
	// console background rectangle
	gl::enable(GL_BLEND); 
	gl::begin(gl::Quads);
	gl::color(1, 1, 1, .1);
	gl::vertex(-0.5f*video.ratio , 0.5, -1.0f);
	gl::vertex(0.5f*video.ratio ,0.5, -1.0f);	
	gl::vertex(0.5f*video.ratio , 0.5-height, -1.0f);
	gl::vertex(-0.5f*video.ratio , 0.5-height, -1.0f);
	gl::end();	
	gl::disable(GL_BLEND); 
}

void Console::flush() 
{
	char line[MAXCMDSIZE];
	while(this->buffer.getline(line, MAXCMDSIZE-1)) {
		
		while (text.size() >= 32765 - MAXCMDSIZE) {
			size_t i = 0;
			while (i+1 < text.size() && text[i] != '\n')
				i++;
			text.erase(0, i+1);
		}
		
		text.append(line);
		text.append("\n");

		std::cout << line << std::endl;
	}
	
	buffer.clear();
}

void Console::toggle()
{
	visible = !visible;
}

} // namespace client