<?php
/*
** Zabbix
** Copyright (C) 2001-2021 Zabbix SIA
**
** 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 2 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, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
**/


class CScreenDataOverview extends CScreenBase {

	/**
	 * Process screen.
	 *
	 * @return CDiv (screen inside container)
	 */
	public function get() {
		$hostids = [];
		$dbHostGroups = DBselect('SELECT DISTINCT hg.hostid FROM hosts_groups hg WHERE hg.groupid='.zbx_dbstr($this->screenitem['resourceid']));
		while ($dbHostGroup = DBfetch($dbHostGroups)) {
			$hostids[$dbHostGroup['hostid']] = $dbHostGroup['hostid'];
		}

		// application filter
		$applicationIds = null;
		if ($this->screenitem['application'] !== '') {
			$applications = API::Application()->get([
				'output' => ['applicationid'],
				'hostids' => $hostids,
				'search' => ['name' => $this->screenitem['application']]
			]);
			$applicationIds = zbx_objectValues($applications, 'applicationid');
		}

		$groups = API::HostGroup()->get([
			'output' => ['name'],
			'groupids' => [$this->screenitem['resourceid']]
		]);

		$header = (new CDiv([
			new CTag('h4', true, _('Data overview')),
			(new CList())
				->addItem([_('Group'), ':', SPACE, $groups[0]['name']])
		]))->addClass(ZBX_STYLE_DASHBRD_WIDGET_HEAD);

		$table = getItemsDataOverview($hostids, $applicationIds, $this->screenitem['style']);

		$footer = (new CList())
			->addItem(_s('Updated: %s', zbx_date2str(TIME_FORMAT_SECONDS)))
			->addClass(ZBX_STYLE_DASHBRD_WIDGET_FOOT);

		return $this->getOutput(new CUiWidget(uniqid(), [$header, $table, $footer]));
	}
}
