<?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.
**/


function getSounds() {
	$file_list = [];
	$dir = scandir('./audio');

	foreach ($dir as $file) {
		$pos = strrpos($file, '.');
		if ($pos === false || mb_strtolower(substr($file, $pos + 1)) !== 'mp3') {
			continue;
		}

		$filename = substr($file, 0, $pos);
		$file_list[$filename] = $file;
	}

	return $file_list;
}

function getMessageSettings() {
	$defSeverities = [
		TRIGGER_SEVERITY_NOT_CLASSIFIED => 1,
		TRIGGER_SEVERITY_INFORMATION => 1,
		TRIGGER_SEVERITY_WARNING => 1,
		TRIGGER_SEVERITY_AVERAGE => 1,
		TRIGGER_SEVERITY_HIGH => 1,
		TRIGGER_SEVERITY_DISASTER => 1
	];

	$messages = [
		'enabled' => 0,
		'timeout' => 60,
		'last.clock' => 0,
		'triggers.recovery' => 1,
		'triggers.severities' => null,
		'sounds.mute' => 0,
		'sounds.repeat' => 1,
		'sounds.recovery' => 'alarm_ok.mp3',
		'sounds.'.TRIGGER_SEVERITY_NOT_CLASSIFIED => 'no_sound.mp3',
		'sounds.'.TRIGGER_SEVERITY_INFORMATION => 'alarm_information.mp3',
		'sounds.'.TRIGGER_SEVERITY_WARNING => 'alarm_warning.mp3',
		'sounds.'.TRIGGER_SEVERITY_AVERAGE => 'alarm_average.mp3',
		'sounds.'.TRIGGER_SEVERITY_HIGH => 'alarm_high.mp3',
		'sounds.'.TRIGGER_SEVERITY_DISASTER => 'alarm_disaster.mp3',
		'show_suppressed' => 0
	];

	$dbProfiles = DBselect(
		'SELECT p.idx,p.source,p.value_str'.
		' FROM profiles p'.
		' WHERE p.userid='.CWebUser::$data['userid'].
			' AND '.dbConditionString('p.idx', ['web.messages'])
	);
	while ($profile = DBfetch($dbProfiles)) {
		$messages[$profile['source']] = $profile['value_str'];
	}

	if (is_null($messages['triggers.severities'])) {
		$messages['triggers.severities'] = $defSeverities;
	}
	else {
		$messages['triggers.severities'] = unserialize($messages['triggers.severities']);
	}
	return $messages;
}

function updateMessageSettings($messages) {
	if (!isset($messages['enabled'])) {
		$messages['enabled'] = 0;
	}
	if (isset($messages['triggers.severities'])) {
		$messages['triggers.severities'] = serialize(array_filter($messages['triggers.severities'], function($v) {
			return $v == 1;
		}));
	}

	$dbProfiles = DBselect(
		'SELECT p.profileid,p.idx,p.source,p.value_str'.
		' FROM profiles p'.
		' WHERE p.userid='.CWebUser::$data['userid'].
			' AND '.dbConditionString('p.idx', ['web.messages'])
	);
	while ($profile = DBfetch($dbProfiles)) {
		$profile['value'] = $profile['value_str'];
		$dbMessages[$profile['source']] = $profile;
	}

	$inserts = [];
	$updates = [];

	foreach ($messages as $key => $value) {
		if ($key === 'timeout' && !validateTimeUnit($messages['timeout'], 30, SEC_PER_DAY, false, $error)) {
			error(_s('Incorrect value for field "%1$s": %2$s.', 'timeout', $error));

			return false;
		}

		$values = [
			'userid' => CWebUser::$data['userid'],
			'idx' => 'web.messages',
			'source' => $key,
			'value_str' =>  $value,
			'type' => PROFILE_TYPE_STR
		];

		if (!isset($dbMessages[$key])) {
			$inserts[] = $values;
		}
		elseif ($dbMessages[$key]['value'] != $value) {
			$updates[] = [
				'values' => $values,
				'where' => ['profileid' => $dbMessages[$key]['profileid']]
			];
		}
	}

	try {
		DB::insert('profiles', $inserts);
		DB::update('profiles', $updates);
	}
	catch (APIException $e) {
		error($e->getMessage());

		return false;
	}

	return true;
}
