<?php

/**
 * switch_settings class provides access methods related to FreeSWITCH
 *
 * @method settings will add missing switch directories to default settings
 */
class switch_settings {

	public $event_socket_ip_address;
	public $event_socket_port;
	public $event_socket_password;

	/**
	 * Set in the constructor. Must be a database object and cannot be null.
	 *
	 * @var database Database Object
	 */
	private $database;

	/**
	 * Settings object set in the constructor. Must be a settings object and cannot be null.
	 *
	 * @var settings Settings Object
	 */
	private $settings;

	/**
	 * User UUID set in the constructor. This can be passed in through the $settings_array associative array or set in
	 * the session global array
	 *
	 * @var string
	 */
	private $user_uuid;

	/**
	 * Username set in the constructor. This can be passed in through the $settings_array associative array or set in
	 * the session global array
	 *
	 * @var string
	 */
	private $username;

	/**
	 * Domain UUID set in the constructor. This can be passed in through the $settings_array associative array or set
	 * in the session global array
	 *
	 * @var string
	 */
	private $domain_uuid;

	/**
	 * Domain name set in the constructor. This can be passed in through the $settings_array associative array or set
	 * in the session global array
	 *
	 * @var string
	 */
	private $domain_name;

	/**
	 * Constructor for the class.
	 *
	 * This method initializes the object with setting_array and session data.
	 *
	 * @param array $setting_array An optional array of settings to override default values. Defaults to [].
	 */
	public function __construct(array $setting_array = []) {
		//set domain and user UUIDs
		$this->domain_uuid = $setting_array['domain_uuid'] ?? $_SESSION['domain_uuid'] ?? '';
		$this->domain_name = $setting_array['domain_name'] ?? $_SESSION['domain_name'] ?? '';
		$this->user_uuid = $setting_array['user_uuid'] ?? $_SESSION['user_uuid'] ?? '';
		$this->username = $setting_array['username'] ?? $_SESSION['username'] ?? '';

		//set objects
		$this->database = $setting_array['database'] ?? database::new();
		$this->settings = $setting_array['settings'] ?? new settings(['database' => $this->database, 'domain_uuid' => $this->domain_uuid, 'user_uuid' => $this->user_uuid]);

	}

	/**
	 * Get the default settings for the application.
	 *
	 * This method retrieves the default settings from the event socket and
	 * creates an array of default setting categories, subcategories, names,
	 * values, and descriptions.
	 *
	 * @return array An array of default settings.
	 */
	public function settings() {

		//connect to event socket
		$esl = event_socket::create($this->event_socket_ip_address, $this->event_socket_port, $this->event_socket_password);

		//run the api command
		$result = $esl->request('api global_getvar');

		//set the result as a named array
		$vars = [];
		foreach (explode("\n", $result) as $row) {
			$a = explode("=", $row);
			if (substr($a[0], -4) == "_dir") {
				$vars[$a[0]] = $a[1];
			}
		}

		//set defaults
		$vars['base_dir'] = $vars['base_dir'] ?? '';
		$vars['conf_dir'] = $vars['conf_dir'] ?? '';
		$vars['db_dir'] = $vars['db_dir'] ?? '';
		$vars['recordings_dir'] = $vars['recordings_dir'] ?? '';
		$vars['script_dir'] = $vars['script_dir'] ?? '';
		$vars['sounds_dir'] = $vars['sounds_dir'] ?? '';
		$vars['storage_dir'] = $vars['storage_dir'] ?? '';
		$vars['grammar_dir'] = $vars['grammar_dir'] ?? '';
		$vars['log_dir'] = $vars['log_dir'] ?? '';
		$vars['mod_dir'] = $vars['mod_dir'] ?? '';

		//set the bin directory
		if ($vars['base_dir'] == "/usr/local/freeswitch") {
			$bin = '/usr/local/freeswitch/bin';
		} else {
			$bin = '';
		}

		//create the default settings array
		$x = 0;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'bin';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $bin;
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'base';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['base_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'call_center';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['conf_dir'] . '/autoload_configs';
		$array[$x]['default_setting_enabled'] = 'false';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'conf';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['conf_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'db';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['db_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'dialplan';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['conf_dir'] . '/dialplan';
		$array[$x]['default_setting_enabled'] = 'false';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'extensions';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['conf_dir'] . '/directory';
		$array[$x]['default_setting_enabled'] = 'false';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'grammar';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['grammar_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'log';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['log_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'mod';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['mod_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'languages';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['conf_dir'] . '/languages';
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'recordings';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['recordings_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'scripts';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['script_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'sip_profiles';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['conf_dir'] . '/sip_profiles';
		$array[$x]['default_setting_enabled'] = 'false';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'sounds';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['sounds_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'storage';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['storage_dir'];
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;
		$array[$x]['default_setting_category'] = 'switch';
		$array[$x]['default_setting_subcategory'] = 'voicemail';
		$array[$x]['default_setting_name'] = 'dir';
		$array[$x]['default_setting_value'] = $vars['storage_dir'] . '/voicemail';
		$array[$x]['default_setting_enabled'] = 'true';
		$array[$x]['default_setting_description'] = '';
		$x++;

		//get an array of the default settings
		$sql = "select * from v_default_settings ";
		$sql .= "where default_setting_category = 'switch' ";
		$default_settings = $this->database->select($sql, null, 'all');
		unset($sql);

		//find the missing default settings
		$x = 0;
		foreach ($array as $setting) {
			$found = false;
			$missing[$x] = $setting;
			foreach ($default_settings as $row) {
				if (trim($row['default_setting_subcategory']) == trim($setting['default_setting_subcategory'])) {
					$found = true;
					//remove items from the array that were found
					unset($missing[$x]);
				}
			}
			$x++;
		}
		unset($array);

		//add the missing default settings
		if (count($missing) > 0) {
			$i = 1;
			foreach ($missing as $row) {
				//build insert array
				$array['default_settings'][$i]['default_setting_uuid'] = uuid();
				$array['default_settings'][$i]['default_setting_category'] = $row['default_setting_category'];
				$array['default_settings'][$i]['default_setting_subcategory'] = $row['default_setting_subcategory'];
				$array['default_settings'][$i]['default_setting_name'] = $row['default_setting_name'];
				$array['default_settings'][$i]['default_setting_value'] = $row['default_setting_value'];
				$array['default_settings'][$i]['default_setting_enabled'] = $row['default_setting_enabled'];
				$array['default_settings'][$i]['default_setting_description'] = $row['default_setting_description'];

				//increment the row id
				$i++;
			}
			if (is_array($array) && @sizeof($array) != 0) {
				//grant temporary permissions
				$p = permissions::new();
				$p->add('default_setting_add', 'temp');

				//execute insert
				$this->database->save($array);

				//clear the apcu cache
				settings::clear_cache();

				//revoke temporary permissions
				$p->delete('default_setting_add', 'temp');
			}
			unset($missing);
		}

		//set the default settings
		if (!empty($array) && is_array($array)) {
			foreach ($array as $row) {
				if (isset($row['default_setting_enabled']) && $row['default_setting_enabled'] == "true" && isset($row['default_setting_subcategory'])) {
					$_SESSION['switch'][$row['default_setting_subcategory']][$row['default_setting_name']] = $row['default_setting_value'] ?? '';
				}
			}
		}

		//unset the array variable
		unset($array);
	}
}