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

#include "audio/audio.h"
#include "core/application.h"
#include "client/mapwindow.h"
#include "client/targets.h"
#include "ui/ui.h"
#include "ui/paint.h"
#include "render/gl.h"
#include "render/textures.h"
#include "render/text.h"

namespace client
{

MapWindow::MapWindow(ui::Widget *parent) : ui::Window(parent)
{
	set_label("map");
	set_border(true);
	set_background(true);
	set_font(ui::root()->font_small());

	// window title
	mapwindow_titlelabel = new ui::Label(this);
	mapwindow_titlelabel->set_label("title");
	mapwindow_titlelabel->set_background(false);
	mapwindow_titlelabel->set_border(false);
	mapwindow_titlelabel->set_font(ui::root()->font_large());
	mapwindow_titlelabel->set_alignment(ui::AlignCenter);
	mapwindow_titlelabel->set_text("STAR CHART");
	
	// close button
	mapwindow_closebutton = new ui::IconButton(mapwindow_titlelabel, "bitmaps/icons/window_close");
	
	// map widget
	mapwindow_mapwidget = new MapWidget(this);
	mapwindow_mapwidget->set_background(false);
	mapwindow_mapwidget->set_border(false);

	// map label (map widget child)
	mapwindow_maplabel = new ui::Label(mapwindow_mapwidget);
	mapwindow_maplabel->set_label("maplabel");
	mapwindow_maplabel->set_background(false);
	mapwindow_maplabel->set_border(false);
	mapwindow_maplabel->set_alignment(ui::AlignCenter);
	
	// modelview
	mapwindow_modelview = new ui::ModelView(this);
	mapwindow_modelview->set_label("modelview");
	mapwindow_modelview->set_background(false);
	mapwindow_modelview->set_border(false);
	
	// target title (modelview child)
	mapwindow_targetlabel = new ui::Label(mapwindow_modelview);
	mapwindow_targetlabel->set_label("targetlabel");
	mapwindow_targetlabel->set_background(false);
	mapwindow_targetlabel->set_border(false);
	mapwindow_targetlabel->set_alignment(ui::AlignCenter);
	
	// target text
	mapwindow_scrollpane = new ui::ScrollPane(this, mapwindow_infotext);
	mapwindow_scrollpane->set_background(false);
	mapwindow_scrollpane->set_border(false);
	mapwindow_scrollpane->set_alignment(ui::AlignTop);

	set_target(0);
	hide();
}

MapWindow::~MapWindow()
{
}

void MapWindow::hide()
{
	ui::Window::hide();
	mapwindow_target = 0;
}

void MapWindow::show()
{
	ui::Window::show();
	if (core::localplayer()->view()) {
		set_target(core::localplayer()->view());
	} else {
		set_target(targets::current());
	}
}

void MapWindow::toggle()
{
	if (visible())
		hide();
	else
		show();
}

void MapWindow::resize()
{
	const float padding =  ui::root()->font_large()->height();
	
	// resize title label
	mapwindow_titlelabel->set_size(width() - padding * 2.0f, mapwindow_titlelabel->font()->height());	
	mapwindow_titlelabel->set_location(padding, padding);

	// resize close button
	mapwindow_closebutton->set_size(mapwindow_titlelabel->font()->height(), mapwindow_titlelabel->font()->height());
	mapwindow_closebutton->set_location(mapwindow_titlelabel->width() - mapwindow_closebutton->width(), 0);
	
	// resize map widget
	mapwindow_mapwidget->set_size((width() - padding * 3.0f) * 0.5f, height() - mapwindow_titlelabel->bottom() - padding * 2.0f );
	mapwindow_mapwidget->set_location(padding, mapwindow_titlelabel->bottom() + padding);
	
	// resize map label (map widget child)
	mapwindow_maplabel->set_size(mapwindow_mapwidget->width(), mapwindow_maplabel->font()->height());
	mapwindow_maplabel->set_location(0, 0);
	
	// resize target modelview
	mapwindow_modelview->set_size(width() - mapwindow_mapwidget->right() - padding * 2.0f, (height() - mapwindow_titlelabel->bottom() - padding * 3.0f) * 0.5f);
	mapwindow_modelview->set_location(mapwindow_mapwidget->right() + padding, mapwindow_titlelabel->bottom() + padding);
	
	// resize target label (modelview child)
	mapwindow_targetlabel->set_size(mapwindow_modelview->width(), mapwindow_targetlabel->font()->height());
	mapwindow_targetlabel->set_location(0, 0);
	
	// resize target infopane text
	mapwindow_scrollpane->set_size(width() - mapwindow_mapwidget->right() - padding * 2.0f, height() - mapwindow_modelview->bottom() - padding * 2.0f);
	mapwindow_scrollpane->set_location(mapwindow_mapwidget->right() + padding, mapwindow_modelview->bottom() + padding);

}

void MapWindow::draw()
{
	ui::Window::draw();
	
	// make sure the target still exists
	mapwindow_target = core::localplayer()->zone()->find_entity(mapwindow_target);
	
	mapwindow_mapwidget->set_zone(core::localplayer()->zone());
	mapwindow_mapwidget->set_target(mapwindow_target);
	mapwindow_maplabel->set_text(core::localplayer()->zone()->name());
	
	if (mapwindow_target && mapwindow_target->info()) {
		if (mapwindow_infotimestamp != mapwindow_target->info()->timestamp()) {
			// update info
			set_target(mapwindow_target);
		}
	}
}

void MapWindow::set_target(const core::Entity *entity) {
	
	mapwindow_target = entity;
	mapwindow_infotimestamp = 0;
	mapwindow_inforecord = 0;	
	mapwindow_infotext.clear();
	
	if (mapwindow_target) {
		// set title label to target name
		mapwindow_targetlabel->set_text(mapwindow_target->name());
			
		if (mapwindow_target->info())
			mapwindow_inforecord = core::game()->request_info(mapwindow_target->info()->id());
		else
			mapwindow_inforecord = 0;
		
		if (mapwindow_inforecord) {
			for (core::Info::Text::const_iterator it = mapwindow_inforecord->text().begin(); it != mapwindow_inforecord->text().end(); it++) {
				mapwindow_infotext.push_back((*it));
			}		
			mapwindow_infotimestamp = mapwindow_inforecord->timestamp();
		} else {
			mapwindow_infotext.push_back("Information is not available");
			mapwindow_infotimestamp = 0;
		}
		
		if (mapwindow_target->model()) {
			mapwindow_modelview->set_modelname(mapwindow_target->model()->name());
			mapwindow_modelview->set_colors(mapwindow_target->color(), mapwindow_target->color_second());
		} else {
			mapwindow_modelview->set_modelname(0);
		}
		
		mapwindow_modelview->show();
		mapwindow_scrollpane->show();
		
	} else {
		
		mapwindow_modelview->hide();
		mapwindow_scrollpane->hide();
	}
}

bool MapWindow::on_keypress(const int key, const unsigned int modifier)
{
	if (key == 512 + SDL_BUTTON_LEFT) {
		if (mapwindow_mapwidget->has_mouse_focus() && mapwindow_mapwidget->hover()) {
			core::Entity *target = core::localplayer()->zone()->find_entity(mapwindow_mapwidget->hover());
			if (targets::is_valid_map_target(target)) {
				set_target(target);
				targets::set_target(mapwindow_target);
			}
		}
		return true;

	} else if (key == SDLK_ESCAPE) {
		if (visible()) {
			hide();
			return true;
		}
	}

	return false;
}

bool MapWindow::on_emit(ui::Widget *sender, const ui::Widget::Event event, void *data)
{
	if (sender == mapwindow_closebutton) {
		if (event == ui::Widget::EventButtonClicked) {
			hide();
			return true;
		}
	}
	
	return Window::on_emit(sender, event, data);
}

}