<?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 CControllerDashboardPrint extends CController {

	protected function init() {
		$this->disableSIDValidation();
	}

	protected function checkInput() {
		$fields = [
			'dashboardid' => 'required|db dashboard.dashboardid',
			'from' => 'range_time',
			'to' => 'range_time'
		];

		$ret = $this->validateInput($fields) && $this->validateTimeSelectorPeriod();

		if (!$ret) {
			$this->setResponse(new CControllerResponseFatal());
		}

		return $ret;
	}

	protected function checkPermissions() {
		return $this->checkAccess(CRoleHelper::UI_MONITORING_DASHBOARD);
	}

	protected function doAction() {
		[$dashboard, $error] = $this->getDashboard();

		if ($error !== null) {
			$this->setResponse(new CControllerResponseData(['error' => $error]));

			return;
		}

		$time_selector_options = [
			'profileIdx' => 'web.dashboard.filter',
			'profileIdx2' => ($dashboard['dashboardid'] !== null) ? $dashboard['dashboardid'] : 0,
			'from' => $this->hasInput('from') ? $this->getInput('from') : null,
			'to' => $this->hasInput('to') ? $this->getInput('to') : null
		];

		$data = [
			'dashboard' => $dashboard,
			'widget_defaults' => CWidgetConfig::getDefaults(CWidgetConfig::CONTEXT_DASHBOARD),
			'time_period' => getTimeSelectorPeriod($time_selector_options)
		];

		$response = new CControllerResponseData($data);
		$response->setTitle(_('Dashboard'));
		$this->setResponse($response);
	}

	/**
	 * Get dashboard data from API.
	 *
	 * @return array
	 */
	private function getDashboard(): array {
		$dashboard = null;
		$error = null;

		$dashboards = API::Dashboard()->get([
			'output' => ['dashboardid', 'name', 'display_period'],
			'selectPages' => ['dashboard_pageid', 'name', 'display_period', 'widgets'],
			'dashboardids' => [$this->getInput('dashboardid')],
			'preservekeys' => true
		]);

		if ($dashboards) {
			$dashboard = array_shift($dashboards);
			$dashboard['pages'] = CDashboardHelper::preparePagesForGrid([$dashboard['pages'][0]], null, true);
		}
		else {
			$error = _('No permissions to referred object or it does not exist!');
		}

		return [$dashboard, $error];
	}
}
