<?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.
**/

require_once dirname(__FILE__).'/../../include/blocks.inc.php';

class CControllerWidgetMapView extends CControllerWidget {

	public function __construct() {
		parent::__construct();

		$this->setType(WIDGET_MAP);
		$this->setValidationRules([
			'name' => 'string',
			'initial_load' => 'in 0,1',
			'fields' => 'json',
			'current_sysmapid' => 'db sysmaps.sysmapid',
			'unique_id' => 'string',
			'previous_maps' => 'array'
		]);
	}

	protected function doAction() {
		$fields = $this->getForm()->getFieldsData();
		$sysmap_data = null;
		$previous_map = null;
		$sysmapid = null;
		$error = null;

		// Get previous map.
		if ($this->hasInput('previous_maps')) {
			$previous_maps = array_filter($this->getInput('previous_maps'), 'is_numeric');

			if ($previous_maps) {
				$previous_map = API::Map()->get([
					'sysmapids' => [array_pop($previous_maps)],
					'output' => ['sysmapid', 'name']
				]);

				$previous_map = reset($previous_map);
			}
		}

		if ($this->hasInput('current_sysmapid')) {
			$sysmapid = $this->getInput('current_sysmapid');
		}
		elseif (array_key_exists('sysmapid', $fields)) {
			$sysmapid =  $fields['sysmapid'];
		}

		$sysmap_data = CMapHelper::get(($sysmapid == null) ? [] : [$sysmapid], ['unique_id' => $this->getInput('unique_id')]);

		if ($sysmapid === null || $sysmap_data['id'] < 0) {
			$error = _('No permissions to referred object or it does not exist!');
		}

		// Rewrite actions to force Submaps be opened in same widget, instead of separate window.
		foreach ($sysmap_data['elements'] as &$element) {
			$actions = json_decode($element['actions'], true);
			$element['actions'] = json_encode($actions);
		}
		unset($element);

		// Pass variables to view.
		$this->setResponse(new CControllerResponseData([
			'name' => $this->getInput('name', $this->getDefaultName()),
			'sysmap_data' => $sysmap_data ?: [],
			'widget_settings' => [
				'current_sysmapid' => $sysmapid,
				'filter_widget_reference' => array_key_exists('filter_widget_reference', $fields)
					? $fields['filter_widget_reference']
					: null,
				'source_type' => $fields['source_type'],
				'previous_map' => $previous_map,
				'initial_load' => $this->getInput('initial_load', 1),
				'error' => $error
			],
			'user' => [
				'debug_mode' => $this->getDebugMode()
			]
		]));
	}
}
