<?php declare(strict_types = 0);
/*
** Zabbix
** Copyright (C) 2001-2022 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 CControllerPopupScheduledReportSubscriptionEdit extends CController {

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

	protected function checkInput() {
		$fields = [
			'recipientid' =>			'id',
			'old_recipientid' =>		'id',
			'recipient_type' =>			'in '.ZBX_REPORT_RECIPIENT_TYPE_USER.','.ZBX_REPORT_RECIPIENT_TYPE_USER_GROUP,
			'recipient_name' =>			'string',
			'recipient_inaccessible' =>	'in 0,1',
			'creatorid' =>				'id',
			'creator_type' =>			'in '.ZBX_REPORT_CREATOR_TYPE_USER.','.ZBX_REPORT_CREATOR_TYPE_RECIPIENT,
			'creator_name' =>			'string',
			'exclude' =>				'in '.ZBX_REPORT_EXCLUDE_USER_FALSE.','.ZBX_REPORT_EXCLUDE_USER_TRUE,
			'userids' =>				'array',
			'usrgrpids' =>				'array',
			'edit' =>					'in 1',
			'update' =>					'in 1'
		];

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

		if (!$ret) {
			$output = [];
			if (($messages = getMessages()) !== null) {
				$output['errors'] = $messages->toString();
			}

			$this->setResponse(
				(new CControllerResponseData(['main_block' => json_encode($output)]))->disableView()
			);
		}

		return $ret;
	}

	/**
	 * Validate subscription to add or update.
	 *
	 * @return bool
	 */
	protected function validateSubscription(): bool {
		if (!$this->hasInput('update')) {
			return true;
		}

		$recipientid = $this->getInput('recipientid', 0);

		if (!$recipientid) {
			error(_s('Incorrect value for field "%1$s": %2$s.', _('Recipient'), _('cannot be empty')));

			return false;
		}

		$recipient_type = $this->getInput('recipient_type', ZBX_REPORT_RECIPIENT_TYPE_USER);

		if (($recipient_type == ZBX_REPORT_RECIPIENT_TYPE_USER
					&& in_array($recipientid, $this->getInput('userids', [])))
				|| ($recipient_type == ZBX_REPORT_RECIPIENT_TYPE_USER_GROUP
					&& in_array($recipientid, $this->getInput('usrgrpids', [])))) {
			if ($this->getInput('edit', 0) == 1 && $recipientid == $this->getInput('old_recipientid', 0)) {
				return true;
			}

			error(_('Recipient already exists.'));

			return false;
		}

		return true;
	}

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

	protected function doAction() {
		$this->setResponse($this->hasInput('update') ? $this->prepareJsonResponse() : $this->prepareViewResponse());
	}

	/**
	 * Prepare response data for the report editing form in JSON format.
	 *
	 * @return CControllerResponse
	 */
	protected function prepareJsonResponse(): CControllerResponse {
		$data = [];
		$this->getInputs($data, ['recipientid', 'old_recipientid', 'recipient_type', 'recipient_name',
			'recipient_inaccessible', 'creator_type', 'edit'
		]);

		if ($data['recipient_type'] == ZBX_REPORT_RECIPIENT_TYPE_USER) {
			$data['exclude'] = $this->getInput('exclude');
		}

		if ($data['creator_type'] == ZBX_REPORT_CREATOR_TYPE_USER) {
			$data['creatorid'] = CWebUser::$data['userid'];
			$data['creator_name'] = getUserFullname(CWebUser::$data);
			$data['creator_inaccessible'] = 0;
		}
		else {
			$data['creatorid'] = 0;
			$data['creator_name'] = _('Recipient');
			$data['creator_inaccessible'] = $data['recipient_inaccessible'];
		}

		return (new CControllerResponseData(['main_block' => json_encode($data)]))->disableView();
	}

	/**
	 * Prepare response data to render the subscription editing form.
	 *
	 * @return CControllerResponse
	 */
	protected function prepareViewResponse(): CControllerResponse {
		$data = [
			'action' => $this->getAction(),
			'edit' => 0,
			'recipientid' => 0,
			'old_recipientid' => 0,
			'recipient_type' => ZBX_REPORT_RECIPIENT_TYPE_USER,
			'recipient_name' => '',
			'recipient_inaccessible' => 0,
			'creatorid' => 0,
			'creator_type' => ZBX_REPORT_CREATOR_TYPE_USER,
			'creator_name' => ''
		];
		$this->getInputs($data, array_keys($data));

		if ($data['recipient_type'] == ZBX_REPORT_RECIPIENT_TYPE_USER) {
			$data['exclude'] = $this->getInput('exclude', ZBX_REPORT_EXCLUDE_USER_FALSE);
			$data['userids'] = $this->getInput('userids', []);
		}
		else {
			$data['usrgrpids'] = $this->getInput('usrgrpids', []);
		}

		$data['recipient_ms'] = ($data['recipientid'] != 0)
			? [['id' => $data['recipientid'], 'name' => $data['recipient_name']]]
			: [];

		$data += [
			'title' => _('Subscription'),
			'user' => [
				'debug_mode' => $this->getDebugMode()
			]
		];

		return new CControllerResponseData($data);
	}
}
