<?php
/*
	FusionPBX
	Version: MPL 1.1

	The contents of this file are subject to the Mozilla Public License Version
	1.1 (the "License"); you may not use this file except in compliance with
	the License. You may obtain a copy of the License at
	http://www.mozilla.org/MPL/

	Software distributed under the License is distributed on an "AS IS" basis,
	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
	for the specific language governing rights and limitations under the
	License.

	The Original Code is FusionPBX

	The Initial Developer of the Original Code is
	Mark J Crane <markjcrane@fusionpbx.com>
	Portions created by the Initial Developer are Copyright (C) 2008-2023
	the Initial Developer. All Rights Reserved.

	Contributor(s):
	Mark J Crane <markjcrane@fusionpbx.com>
*/

/**
 * switch class provides methods for copying switch_files
 */
class switch_files {

	private $config;

	/**
	 * Initializes the object with setting array.
	 *
	 * @param array $setting_array An array containing settings for domain, user, and database connections. Defaults to
	 *                             an empty array.
	 *
	 * @return void
	 */
	public function __construct(array $setting_array = []) {
		//set objects
		$this->config = $setting_array['config'] ?? config::load();
	}

	/**
	 * Converts the given path to a platform-agnostic format.
	 *
	 * @param string $path The path to be converted.
	 *
	 * @return string The converted path. If running on Windows, backslashes are replaced with forward slashes.
	 */
	private function correct_path($path) {
		global $IS_WINDOWS;
		if ($IS_WINDOWS == null) {
			if (stristr(PHP_OS, 'WIN')) {
				$IS_WINDOWS = true;
			} else {
				$IS_WINDOWS = false;
			}
		}
		if ($IS_WINDOWS) {
			return str_replace('\\', '/', $path);
		}
		return $path;
	}

	/**
	 * Copy the switch scripts to the switch directory
	 *
	 * The function attempts to find the source and destination directories by checking various system locations. If
	 * neither is found, it throws an exception.
	 *
	 * @return void
	 */
	public function copy_scripts() {

		//get the source directory
		if (file_exists('/usr/share/examples/fusionpbx/scripts')) {
			$source_directory = '/usr/share/examples/fusionpbx/scripts';
		} elseif (file_exists('/usr/local/www/fusionpbx/app/switch/resources/scripts')) {
			$source_directory = '/usr/local/www/fusionpbx/app/switch/resources/scripts';
		} elseif (file_exists('/var/www/fusionpbx/app/switch/resources/scripts')) {
			$source_directory = '/var/www/fusionpbx/app/switch/resources/scripts';
		} else {
			$source_directory = $_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . '/app/switch/resources/scripts';
		}

		//get the destination directory
		if (file_exists($this->config->get('switch.scripts.dir'))) {
			$destination_directory = $this->config->get('switch.scripts.dir');
		} elseif (file_exists('/etc/freeswitch/scripts')) {
			$destination_directory = '/etc/freeswitch/scripts';
		} elseif (file_exists('/usr/local/freeswitch/scripts')) {
			$destination_directory = '/usr/local/freeswitch/scripts';
		}

		//copy the scripts directory
		if (!empty($source_directory) && is_readable($source_directory)) {
			//copy the main scripts
			recursive_copy($source_directory, $destination_directory);
			unset($source_directory);

			//copy the app/*/resource/install/scripts
			$app_scripts = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . 'app/*/resource/scripts');
			foreach ($app_scripts as $app_script) {
				recursive_copy($app_script, $destination_directory);
			}
			unset($app_scripts);
		} else {
			throw new Exception("Cannot read from '$source_directory' to get the scripts");
		}
		chmod($destination_directory, 0775);
		unset($destination_directory);

	}

	/**
	 * Copy the switch languages to the switch directory
	 *
	 * @return void
	 */
	public function copy_languages() {

		//get the source directory
		if (file_exists('/usr/share/examples/freeswitch/conf/languages')) {
			$source_directory = '/usr/share/examples/fusionpbx/conf/languages';
		} elseif (file_exists('/usr/local/www/fusionpbx/app/switch/resources/conf/languages')) {
			$source_directory = '/usr/local/www/fusionpbx/app/switch/resources/conf/languages';
		} elseif (file_exists('/var/www/fusionpbx/app/switch/resources/conf/languages')) {
			$source_directory = '/var/www/fusionpbx/app/switch/resources/conf/languages';
		} else {
			$source_directory = $_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . '/app/switch/resources/conf/languages';
		}

		//get the destination directory
		if (file_exists($this->config->get('switch.conf.dir') . '/languages')) {
			$destination_directory = $this->config->get('switch.conf.dir') . '/languages';
		} elseif (file_exists('/etc/freeswitch/languages')) {
			$destination_directory = '/usr/local/share/freeswitch/languages';
		} elseif (file_exists('/usr/local/freeswitch/conf/languages')) {
			$destination_directory = '/usr/local/freeswitch/conf/languages';
		}

		//copy the languages directory
		if (!empty($source_directory) && is_readable($source_directory)) {
			//copy the main languages
			recursive_copy($source_directory, $destination_directory);
			unset($source_directory);
		} else {
			throw new Exception("Cannot read from '$source_directory' to get the scripts");
		}
		chmod($destination_directory, 0775);
		unset($destination_directory);

	}

}

/*
//example use

//update config.lua
	$obj = new app_switch;
	$obj->copy_scripts();
	$obj->copy_languages();
*/