/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "ultima/shared/std/string.h"
#include "ultima/nuvie/core/nuvie_defs.h"
#include "ultima/nuvie/misc/u6_misc.h"
#include "ultima/nuvie/gui/gui.h"
#include "ultima/nuvie/gui/widgets/console.h"

namespace Ultima {
namespace Nuvie {

static Console *g_console = nullptr;

Console::Console(const Configuration *c, Screen *s, GUI *g, uint16 x, uint16 y, uint16 w, uint16 h)
	: GUI_Console(x, y, w, h), config(c), screen(s), gui(g), displayConsole(true) {
	config->value("config/general/show_console", displayConsole, true);

	if (displayConsole == false)
		Hide();

	gui->AddWidget(this);
}

Console::~Console() {

}

void Console::AddLine(const Std::string &line) {
	GUI_Console::AddLine(line);

	if (status == WIDGET_VISIBLE) {
		gui->Display();
		screen->performUpdate();
	}
}

void ConsoleInit(const Configuration *c, Screen *s, GUI *gui, uint16 w, uint16 h) {
	assert(g_console == nullptr);

	//uint16 x_off = config_get_video_x_offset(c);
	//uint16 y_off = config_get_video_y_offset(c);

	g_console = new Console(c, s, gui, 0, 0, s->get_width(), s->get_height());//x_off, y_off, w, h);
}

void ConsoleDelete() {
	if (g_console != nullptr) {
		g_console->Delete();
		g_console = nullptr;
	}
}

void ConsoleAddInfo(const char *format, ...) {
	char buf[1024];
	memset(buf, 0, 1024);
	va_list args;
	va_start(args, format);
	vsnprintf(buf, 1024, format, args);
	va_end(args);

	if (g_console != nullptr) {
		DEBUG(0, LEVEL_INFORMATIONAL, "%s\n", buf);
		g_console->AddLine(buf);
	}
}

void ConsoleAddError(const Std::string &s) {
	if (g_console != nullptr) {
		DEBUG(0, LEVEL_ERROR, "%s\n", s.c_str());
		g_console->Show();
		g_console->AddLine("Error: " + s);
	}
}

void ConsoleAddWarning(const Std::string &s) {
	if (g_console != nullptr) {
		DEBUG(0, LEVEL_WARNING, "%s\n", s.c_str());
		g_console->AddLine("Warning: " + s);
	}
}

void ConsolePause() {
	if (g_console == nullptr)
		return;

	//pause here.
	Common::Event event;
	bool waiting = true;
	for (; waiting;) {
		while (!Events::get()->pollEvent(event)) {
			if (event.type == Common::EVENT_KEYDOWN || event.type == Common::EVENT_QUIT) {
				waiting = false;
				break;
			}
		}
	}
}

void ConsoleShow() {
	if (g_console)
		g_console->Show();
}

void ConsoleHide() {
	if (g_console)
		g_console->Hide();
}

} // End of namespace Nuvie
} // End of namespace Ultima