<?php
	/**
	 * @package     Freemius
	 * @copyright   Copyright (c) 2015, Freemius, Inc.
	 * @license     https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
	 * @since       1.1.3
	 */

	if ( ! defined( 'ABSPATH' ) ) {
		exit;
	}

	class FS_Admin_Menu_Manager {

		#region Properties

		/**
		 * @since 1.2.2
		 *
		 * @var string
		 */
		protected $_module_unique_affix;

		/**
		 * @since 1.2.2
		 *
		 * @var number
		 */
		protected $_module_id;

		/**
		 * @since 1.2.2
		 *
		 * @var string
		 */
		protected $_module_type;

		/**
		 * @since 1.0.6
		 *
		 * @var string
		 */
		private $_menu_slug;
		/**
		 * @since 1.1.3
		 *
		 * @var string
		 */
		private $_parent_slug;
		/**
		 * @since 1.1.3
		 *
		 * @var string
		 */
		private $_parent_type;
		/**
		 * @since 1.1.3
		 *
		 * @var string
		 */
		private $_type;
		/**
		 * @since 1.1.3
		 *
		 * @var bool
		 */
		private $_is_top_level;
		/**
		 * @since 1.1.3
		 *
		 * @var bool
		 */
		private $_is_override_exact;
		/**
		 * @since 1.1.3
		 *
		 * @var array<string,bool>
		 */
		private $_default_submenu_items;
		/**
		 * @since 1.1.3
		 *
		 * @var string
		 */
		private $_first_time_path;
		/**
		 * @since 1.2.2
		 *
		 * @var bool
		 */
		private $_menu_exists;
		/**
		 * @since 2.0.0
		 *
		 * @var bool
		 */
		private $_network_menu_exists;

		#endregion Properties

		/**
		 * @var FS_Logger
		 */
		protected $_logger;

		#region Singleton

		/**
		 * @var FS_Admin_Menu_Manager[]
		 */
		private static $_instances = array();

		/**
		 * @param number $module_id
		 * @param string $module_type
		 * @param string $module_unique_affix
		 *
		 * @return FS_Admin_Menu_Manager
		 */
		static function instance( $module_id, $module_type, $module_unique_affix ) {
			$key = 'm_' . $module_id;

			if ( ! isset( self::$_instances[ $key ] ) ) {
				self::$_instances[ $key ] = new FS_Admin_Menu_Manager( $module_id, $module_type, $module_unique_affix );
			}

			return self::$_instances[ $key ];
		}

		protected function __construct( $module_id, $module_type, $module_unique_affix ) {
			$this->_logger = FS_Logger::get_logger( WP_FS__SLUG . '_' . $module_id . '_admin_menu', WP_FS__DEBUG_SDK, WP_FS__ECHO_DEBUG_SDK );

			$this->_module_id           = $module_id;
			$this->_module_type         = $module_type;
			$this->_module_unique_affix = $module_unique_affix;
		}

		#endregion Singleton

		#region Helpers

		private function get_option( &$options, $key, $default = false ) {
			return ! empty( $options[ $key ] ) ? $options[ $key ] : $default;
		}

		private function get_bool_option( &$options, $key, $default = false ) {
			return isset( $options[ $key ] ) && is_bool( $options[ $key ] ) ? $options[ $key ] : $default;
		}

		#endregion Helpers

		/**
		 * @param array $menu
		 * @param bool  $is_addon
		 */
		function init( $menu, $is_addon = false ) {
			$this->_menu_exists = ( isset( $menu['slug'] ) && ! empty( $menu['slug'] ) );
			$this->_network_menu_exists = ( ! empty( $menu['network'] ) && true === $menu['network'] );

			$this->_menu_slug = ( $this->_menu_exists ? $menu['slug'] : $this->_module_unique_affix );

			$this->_default_submenu_items = array();
			// @deprecated
			$this->_type              = 'page';
			$this->_is_top_level      = true;
			$this->_is_override_exact = false;
			$this->_parent_slug       = false;
			// @deprecated
			$this->_parent_type = 'page';

			if ( isset( $menu ) ) {
			    if ( ! $is_addon ) {
                    $this->_default_submenu_items = array(
                        'contact'     => $this->get_bool_option( $menu, 'contact', true ),
                        'support'     => $this->get_bool_option( $menu, 'support', true ),
                        'affiliation' => $this->get_bool_option( $menu, 'affiliation', true ),
                        'account'     => $this->get_bool_option( $menu, 'account', true ),
                        'pricing'     => $this->get_bool_option( $menu, 'pricing', true ),
                        'addons'      => $this->get_bool_option( $menu, 'addons', true ),
                    );

                    // @deprecated
                    $this->_type = $this->get_option( $menu, 'type', 'page' );
                }

				$this->_is_override_exact = $this->get_bool_option( $menu, 'override_exact' );

				if ( isset( $menu['parent'] ) ) {
					$this->_parent_slug = $this->get_option( $menu['parent'], 'slug' );
					// @deprecated
					$this->_parent_type = $this->get_option( $menu['parent'], 'type', 'page' );

					// If parent's slug is different, then it's NOT a top level menu item.
					$this->_is_top_level = ( $this->_parent_slug === $this->_menu_slug );
				} else {
					/**
					 * If no parent then top level if:
					 *  - Has custom admin menu ('page')
					 *  - CPT menu type ('cpt')
					 */
//					$this->_is_top_level = in_array( $this->_type, array(
//						'cpt',
//						'page'
//					) );
				}

				$first_path = $this->get_option( $menu, 'first-path', false );

                if ( ! empty( $first_path ) && is_string( $first_path ) ) {
                    $this->_first_time_path = $first_path;
                }
			}
		}

		/**
		 * Check if top level menu.
		 *
		 * @author Vova Feldman (@svovaf)
		 * @since  1.1.3
		 *
		 * @return bool False if submenu item.
		 */
		function is_top_level() {
			return $this->_is_top_level;
		}

		/**
		 * Check if the page should be override on exact URL match.
		 *
		 * @author Vova Feldman (@svovaf)
		 * @since  1.1.3
		 *
		 * @return bool False if submenu item.
		 */
		function is_override_exact() {
			return $this->_is_override_exact;
		}


        /**
         * Get the path of the page the user should be forwarded to after first activation.
         *
         * @author Vova Feldman (@svovaf)
         * @since  1.1.3
         *
         * @param bool $is_network Since 2.4.5
         *
         * @return string
         */
        function get_first_time_path( $is_network = false ) {
            if ( empty ( $this->_first_time_path ) ) {
                return $this->_first_time_path;
            }

            if ( $is_network ) {
                return network_admin_url( $this->_first_time_path );
            } else {
                return admin_url( $this->_first_time_path );
            }
        }

		/**
		 * Check if plugin's menu item is part of a custom top level menu.
		 *
		 * @author Vova Feldman (@svovaf)
		 * @since  1.1.3
		 *
		 * @return bool
		 */
		function has_custom_parent() {
			return ! $this->_is_top_level && is_string( $this->_parent_slug );
		}

		/**
		 * @author Leo Fajardo (@leorw)
		 * @since  1.2.2
		 *
		 * @return bool
		 */
		function has_menu() {
			return $this->_menu_exists;
		}

		/**
         * @author Vova Feldman (@svovaf)
		 * @since  2.0.0
		 *
		 * @return bool
		 */
		function has_network_menu() {
			return $this->_network_menu_exists;
		}

        /**
         * @author Leo Fajardo (@leorw)
         *
         * @param string $menu_slug
         *
         * @since 2.1.3
         */
		function set_slug_and_network_menu_exists_flag($menu_slug ) {
		    $this->_menu_slug           = $menu_slug;
		    $this->_network_menu_exists = false;
        }

		/**
		 * @author Vova Feldman (@svovaf)
		 * @since  1.1.3
		 *
		 * @param string $id
		 * @param bool   $default
		 * @param bool   $ignore_menu_existence Since 1.2.2.7 If true, check if the submenu item visible even if there's no parent menu.
		 *
		 * @return bool
		 */
		function is_submenu_item_visible( $id, $default = true, $ignore_menu_existence = false ) {
			if ( ! $ignore_menu_existence && ! $this->has_menu() ) {
				return false;
			}

			return fs_apply_filter(
				$this->_module_unique_affix,
				'is_submenu_visible',
				$this->get_bool_option( $this->_default_submenu_items, $id, $default ),
				$id
			);
		}

		/**
		 * Calculates admin settings menu slug.
		 * If plugin's menu slug is a file (e.g. CPT), uses plugin's slug as the menu slug.
		 *
		 * @author Vova Feldman (@svovaf)
		 * @since  1.1.3
		 *
		 * @param string $page
		 *
		 * @return string
		 */
		function get_slug( $page = '' ) {
			return ( ( false === strpos( $this->_menu_slug, '.php?' ) ) ?
				$this->_menu_slug :
				$this->_module_unique_affix ) . ( empty( $page ) ? '' : ( '-' . $page ) );
		}