<?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) 2008-2025
 the Initial Developer. All Rights Reserved.

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

//define the ivr_menu class
class ivr_menu {

	/**
	 * declare constant variables
	 */
	const app_name = 'ivr_menus';
	const app_uuid = 'a5788e9b-58bc-bd1b-df59-fff5d51253ab';

	/**
	 * 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
	 */
	public $domain_uuid;

	/**
	 * declare ivr menu primary uuid key
	 *
	 * @var string
	 */
	public $ivr_menu_uuid;

	/**
	 * declare order_by variables
	 *
	 * @var string
	 */
	public $order_by;

	/**
	 * 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;

	/**
	 * 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;

	/**
	 * declare private variables
	 */
	private $permission_prefix;
	private $list_page;
	private $table;
	private $uuid_prefix;
	private $toggle_field;
	private $toggle_values;

	/**
	 * 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 domain and user UUIDs
		$this->domain_uuid = $setting_array['domain_uuid'] ?? $_SESSION['domain_uuid'] ?? '';
		$this->domain_name = $setting_array['domain_name'] ?? $_SESSION['domain_name'] ?? '';

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

		//assign private variables
		$this->list_page = 'ivr_menus.php';
	}

	/**
	 * Finds records in the v_ivr_menus table.
	 *
	 * @return array An array of menu items or an empty array if no records are found.
	 */
	public function find() {
		$sql = "select * from v_ivr_menus ";
		$sql .= "where domain_uuid = :domain_uuid ";
		if (isset($this->ivr_menu_uuid)) {
			$sql                         .= "and ivr_menu_uuid = :ivr_menu_uuid ";
			$parameters['ivr_menu_uuid'] = $this->ivr_menu_uuid;
		}
		if (isset($this->order_by)) {
			$sql .= $this->order_by;
		}
		$parameters['domain_uuid'] = $this->domain_uuid;
		return $this->database->select($sql, $parameters, 'all');
	}

	/**
	 * Deletes one or more records.
	 *
	 * @param array $records An array of record IDs to delete, where each ID is an associative array
	 *                       containing 'uuid' and 'checked' keys. The 'checked' value indicates
	 *                       whether the corresponding checkbox was checked for deletion.
	 *
	 * @return void No return value; this method modifies the database state and sets a message.
	 */
	public function delete($records) {
		//assign private variables
		$this->permission_prefix = 'ivr_menu_';
		$this->table             = 'ivr_menus';
		$this->uuid_prefix       = 'ivr_menu_';

		//return if permission does not exist
		if (!permission_exists($this->permission_prefix . 'delete')) {
			return false;
		}

		//add multi-lingual support
		$language = new text;
		$text     = $language->get();

		//validate the token
		$token = new token;
		if (!$token->validate($_SERVER['PHP_SELF'])) {
			message::add($text['message-invalid_token'], 'negative');
			header('Location: ' . $this->list_page);
			exit;
		}

		//delete multiple records
		if (!empty($records)) {

			//filter out unchecked ivr menus, build where clause for below
			foreach ($records as $record) {
				if (!empty($record['checked']) && $record['checked'] == 'true' && is_uuid($record['uuid'])) {
					$uuids[] = "'" . $record['uuid'] . "'";
				}
			}

			//get necessary ivr menu details
			if (!empty($uuids)) {
				$sql                       = "select " . $this->uuid_prefix . "uuid as uuid, dialplan_uuid, ivr_menu_context from v_" . $this->table . " ";
				$sql                       .= "where (domain_uuid = :domain_uuid) ";
				$sql                       .= "and " . $this->uuid_prefix . "uuid in (" . implode(', ', $uuids) . ") ";
				$parameters['domain_uuid'] = $this->domain_uuid;
				$rows                      = $this->database->select($sql, $parameters, 'all');
				if (is_array($rows) && @sizeof($rows) != 0) {
					foreach ($rows as $row) {
						$ivr_menus[$row['uuid']]['dialplan_uuid'] = $row['dialplan_uuid'];
						$ivr_menu_contexts[]                      = $row['ivr_menu_context'];
					}
				}
				unset($sql, $parameters, $rows, $row);
			}

			//build the delete array
			$x = 0;
			foreach ($ivr_menus as $ivr_menu_uuid => $ivr_menu) {
				$array[$this->table][$x][$this->uuid_prefix . 'uuid'] = $ivr_menu_uuid;
				$array['ivr_menu_options'][$x]['ivr_menu_uuid']       = $ivr_menu_uuid;
				$array['dialplans'][$x]['dialplan_uuid']              = $ivr_menu['dialplan_uuid'];
				$x++;
			}

			//delete the checked rows
			if (!empty($array)) {

				//grant temporary permissions
				$p = permissions::new();
				$p->add('ivr_menu_option_delete', 'temp');
				$p->add('dialplan_delete', 'temp');

				//execute delete
				$this->database->delete($array);
				unset($array);

				//revoke temporary permissions
				$p->delete('ivr_menu_option_delete', 'temp');
				$p->delete('dialplan_delete', 'temp');

				//clear the cache
				if (is_array($ivr_menu_contexts) && @sizeof($ivr_menu_contexts) != 0) {
					$ivr_menu_contexts = array_unique($ivr_menu_contexts);
					$cache             = new cache;
					foreach ($ivr_menu_contexts as $ivr_menu_context) {
						$cache->delete("dialplan:" . $ivr_menu_context);
					}
				}

				//clear the destinations session array
				if (isset($_SESSION['destinations']['array'])) {
					unset($_SESSION['destinations']['array']);
				}

				//set message
				message::add($text['message-delete']);
			}
			unset($records, $ivr_menus);
		}

	}

	/**
	 * Deletes one or more ivr menu options.
	 *
	 * @param array $records An associative array containing the uuids and checked status of the records to delete.
	 *
	 * @return bool True if the operation was successful, false otherwise.
	 */
	public function delete_options($records) {
		//assign private variables
		$this->permission_prefix = 'ivr_menu_option_';
		$this->table             = 'ivr_menu_options';
		$this->uuid_prefix       = 'ivr_menu_option_';

		//return if permission does not exist
		if (!permission_exists($this->permission_prefix . 'delete')) {
			return false;
		}

		//add multi-lingual support
		$language = new text;
		$text     = $language->get();

		//validate the token
		$token = new token;
		if (!$token->validate($_SERVER['PHP_SELF'])) {
			message::add($text['message-invalid_token'], 'negative');
			header('Location: ' . $this->list_page);
			exit;
		}

		//delete multiple records
		if (!empty($records)) {

			//filter out unchecked ivr menu options, build delete array
			$x = 0;
			foreach ($records as $record) {
				if (!empty($record['checked']) && $record['checked'] == 'true' && !empty($record['uuid']) && is_uuid($record['uuid'])) {
					$array[$this->table][$x][$this->uuid_prefix . 'uuid'] = $record['uuid'];
					$array[$this->table][$x]['ivr_menu_uuid']             = $this->ivr_menu_uuid;
					$x++;
				}
			}

			//get ivr menu context
			if (!empty($array) && !empty($this->ivr_menu_uuid) && is_uuid($this->ivr_menu_uuid)) {
				$sql                         = "select ivr_menu_context from v_ivr_menus ";
				$sql                         .= "where (domain_uuid = :domain_uuid) ";
				$sql                         .= "and ivr_menu_uuid = :ivr_menu_uuid ";
				$parameters['domain_uuid']   = $this->domain_uuid;
				$parameters['ivr_menu_uuid'] = $this->ivr_menu_uuid;
				$ivr_menu_context            = $this->database->select($sql, $parameters, 'column');
				unset($sql, $parameters);
			}

			//delete the checked rows
			if (!empty($array)) {

				//execute delete
				$this->database->delete($array);
				unset($array);

				//clear the cache
				if (!empty($ivr_menu_context)) {
					$cache = new cache;
					$cache->delete("dialplan:" . $ivr_menu_context);
				}

			}
			unset($records);
		}
	}

	/**
	 * Toggles the state of one or more records.
	 *
	 * @param array $records  An array of record IDs to delete, where each ID is an associative array
	 *                        containing 'uuid' and 'checked' keys. The 'checked' value indicates
	 *                        whether the corresponding checkbox was checked for deletion.
	 *
	 * @return void No return value; this method modifies the database state and sets a message.
	 */
	public function toggle($records) {
		//assign private variables
		$this->permission_prefix = 'ivr_menu_';
		$this->table             = 'ivr_menus';
		$this->uuid_prefix       = 'ivr_menu_';
		$this->toggle_field      = 'ivr_menu_enabled';
		$this->toggle_values     = ['true', 'false'];

		//return if permission does not exist
		if (!permission_exists($this->permission_prefix . 'edit')) {
			return false;
		}

		//add multi-lingual support
		$language = new text;
		$text     = $language->get();

		//validate the token
		$token = new token;
		if (!$token->validate($_SERVER['PHP_SELF'])) {
			message::add($text['message-invalid_token'], 'negative');
			header('Location: ' . $this->list_page);
			exit;
		}

		//toggle the checked records
		if (!empty($records)) {

			//get current toggle state
			foreach ($records as $x => $record) {
				if (!empty($record['checked']) && $record['checked'] == 'true' && !empty($record['uuid']) && is_uuid($record['uuid'])) {
					$uuids[] = "'" . $record['uuid'] . "'";
				}
			}
			if (!empty($uuids)) {
				$sql                       = "select " . $this->uuid_prefix . "uuid as uuid, " . $this->toggle_field . " as toggle, dialplan_uuid from v_" . $this->table . " ";
				$sql                       .= "where domain_uuid = :domain_uuid ";
				$sql                       .= "and " . $this->uuid_prefix . "uuid in (" . implode(', ', $uuids) . ") ";
				$parameters['domain_uuid'] = $this->domain_uuid;
				$rows                      = $this->database->select($sql, $parameters, 'all');
				if (is_array($rows) && @sizeof($rows) != 0) {
					foreach ($rows as $row) {
						$ivr_menus[$row['uuid']]['state']         = $row['toggle'];
						$ivr_menus[$row['uuid']]['dialplan_uuid'] = $row['dialplan_uuid'];
					}
				}
				unset($sql, $parameters, $rows, $row);
			}

			//build update array
			$x = 0;
			foreach ($ivr_menus as $uuid => $ivr_menu) {
				$array[$this->table][$x][$this->uuid_prefix . 'uuid'] = $uuid;
				$array[$this->table][$x][$this->toggle_field]         = $ivr_menu['state'] == $this->toggle_values[0] ? $this->toggle_values[1] : $this->toggle_values[0];
				$array['dialplans'][$x]['dialplan_uuid']              = $ivr_menu['dialplan_uuid'];
				$array['dialplans'][$x]['dialplan_enabled']           = $ivr_menu['state'] == $this->toggle_values[0] ? $this->toggle_values[1] : $this->toggle_values[0];
				$x++;
			}

			//save the changes
			if (!empty($array)) {

				//grant temporary permissions
				$p = permissions::new();
				$p->add('dialplan_edit', 'temp');

				//save the array
				$this->database->save($array);
				unset($array);

				//revoke temporary permissions
				$p->delete('dialplan_edit', 'temp');

				//clear the cache
				$cache = new cache;
				$cache->delete("dialplan:" . $this->domain_name);
				foreach ($ivr_menus as $ivr_menu_uuid => $ivr_menu) {
					$cache->delete("configuration:ivr.conf:" . $ivr_menu_uuid);
				}

				//clear the destinations session array
				if (isset($_SESSION['destinations']['array'])) {
					unset($_SESSION['destinations']['array']);
				}

				//set message
				message::add($text['message-toggle']);
			}
			unset($records, $states);
		}

	}

	/**
	 * Copies one or more records
	 *
	 * @param array $records  An array of record IDs to delete, where each ID is an associative array
	 *                        containing 'uuid' and 'checked' keys. The 'checked' value indicates
	 *                        whether the corresponding checkbox was checked for deletion.
	 *
	 * @return void No return value; this method modifies the database state and sets a message.
	 */
	public function copy($records) {
		//assign private variables
		$this->permission_prefix = 'ivr_menu_';
		$this->table             = 'ivr_menus';
		$this->uuid_prefix       = 'ivr_menu_';

		//return if permission does not exist
		if (!permission_exists($this->permission_prefix . 'add')) {
			return false;
		}

		//add multi-lingual support
		$language = new text;
		$text     = $language->get();

		//validate the token
		$token = new token;
		if (!$token->validate($_SERVER['PHP_SELF'])) {
			message::add($text['message-invalid_token'], 'negative');
			header('Location: ' . $this->list_page);
			exit;
		}

		//copy the checked records
		if (!empty($records)) {

			//get checked records
			foreach ($records as $x => $record) {
				if (!empty($record['checked']) && $record['checked'] == 'true' && !empty($record['uuid']) && is_uuid($record['uuid'])) {
					$uuids[] = "'" . $record['uuid'] . "'";
				}
			}

			//create insert array from existing data
			if (!empty($uuids)) {

				//primary table
				$sql                       = "select * from v_" . $this->table . " ";
				$sql                       .= "where domain_uuid = :domain_uuid ";
				$sql                       .= "and " . $this->uuid_prefix . "uuid in (" . implode(', ', $uuids) . ") ";
				$parameters['domain_uuid'] = $this->domain_uuid;
				$rows                      = $this->database->select($sql, $parameters, 'all');
				if (!empty($rows)) {
					$y = $z = 0;
					foreach ($rows as $x => $row) {
						$new_ivr_menu_uuid = uuid();
						$new_dialplan_uuid = uuid();

						//convert boolean values to a string
						foreach ($row as $key => $value) {
							if (gettype($value) == 'boolean') {
								$value     = $value ? 'true' : 'false';
								$row[$key] = $value;
							}
						}

						//copy data
						$array[$this->table][$x] = $row;

						//overwrite
						$array[$this->table][$x][$this->uuid_prefix . 'uuid'] = $new_ivr_menu_uuid;
						$array[$this->table][$x]['dialplan_uuid']             = $new_dialplan_uuid;
						$array[$this->table][$x]['ivr_menu_description']      = trim($row['ivr_menu_description'] . ' (' . $text['label-copy'] . ')');

						//ivr menu options sub table
						$sql_2                         = "select * from v_ivr_menu_options where ivr_menu_uuid = :ivr_menu_uuid";
						$parameters_2['ivr_menu_uuid'] = $row['ivr_menu_uuid'];
						$rows_2                        = $this->database->select($sql_2, $parameters_2, 'all');
						if (!empty($rows_2)) {
							foreach ($rows_2 as $row_2) {
								//convert boolean values to a string
								foreach ($row_2 as $key => $value) {
									if (gettype($value) == 'boolean') {
										$value       = $value ? 'true' : 'false';
										$row_2[$key] = $value;
									}
								}

								//copy data
								$array['ivr_menu_options'][$y] = $row_2;

								//overwrite
								$array['ivr_menu_options'][$y]['ivr_menu_option_uuid'] = uuid();
								$array['ivr_menu_options'][$y]['ivr_menu_uuid']        = $new_ivr_menu_uuid;

								//increment
								$y++;

							}
						}
						unset($sql_2, $parameters_2, $rows_2, $row_2);

						//ivr menu dialplan record
						$sql_3                         = "select * from v_dialplans where dialplan_uuid = :dialplan_uuid";
						$parameters_3['dialplan_uuid'] = $row['dialplan_uuid'];
						$dialplan                      = $this->database->select($sql_3, $parameters_3, 'row');
						if (!empty($dialplan)) {
							//convert boolean values to a string
							foreach ($dialplan as $key => $value) {
								if (gettype($value) == 'boolean') {
									$value          = $value ? 'true' : 'false';
									$dialplan[$key] = $value;
								}
							}

							//copy data
							$array['dialplans'][$z] = $dialplan;

							//overwrite
							$array['dialplans'][$z]['dialplan_uuid']        = $new_dialplan_uuid;
							$dialplan_xml                                   = $dialplan['dialplan_xml'];
							$dialplan_xml                                   = str_replace($row['ivr_menu_uuid'], $new_ivr_menu_uuid, $dialplan_xml); //replace source ivr_menu_uuid with new
							$dialplan_xml                                   = str_replace($dialplan['dialplan_uuid'], $new_dialplan_uuid, $dialplan_xml); //replace source dialplan_uuid with new
							$array['dialplans'][$z]['dialplan_xml']         = $dialplan_xml;
							$array['dialplans'][$z]['dialplan_description'] = trim($dialplan['dialplan_description'] . ' (' . $text['label-copy'] . ')');

							//increment
							$z++;
						}
						unset($sql_3, $parameters_3, $dialplan);

					}
				}
				unset($sql, $parameters, $rows, $row);
			}

			//save the changes and set the message
			if (!empty($array)) {

				//grant temporary permissions
				$p = permissions::new();
				$p->add('ivr_menu_option_add', 'temp');
				$p->add('dialplan_add', 'temp');

				//save the array
				$this->database->save($array);
				unset($array);

				//revoke temporary permissions
				$p = permissions::new();
				$p->delete('ivr_menu_option_add', 'temp');
				$p->delete('dialplan_add', 'temp');

				//clear the cache
				$cache = new cache;
				$cache->delete("dialplan:" . $this->domain_name);

				//set message
				message::add($text['message-copy']);

			}
			unset($records);
		}

	}

}