<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

if ( ! class_exists( 'acf_admin_options_page' ) ) :

	class acf_admin_options_page {

		/** @var array Contains the current options page */
		var $page;


		/*
		*  __construct
		*
		*  Initialize filters, action, variables and includes
		*
		*  @type    function
		*  @date    23/06/12
		*  @since   5.0.0
		*
		*  @param   n/a
		*  @return  n/a
		*/

		function __construct() {

			// add menu items
			add_action( 'admin_menu', array( $this, 'admin_menu' ), 99, 0 );

		}


		/*
		*  admin_menu
		*
		*  description
		*
		*  @type    function
		*  @date    24/02/2014
		*  @since   5.0.0
		*
		*  @param
		*  @return
		*/

		function admin_menu() {

			// vars
			$pages = acf_get_options_pages();

			// bail early if no pages
			if ( empty( $pages ) ) {
				return;
			}

			// loop
			foreach ( $pages as $page ) {

				// vars
				$slug = '';

				// parent
				if ( empty( $page['parent_slug'] ) ) {

					$slug = add_menu_page( $page['page_title'], $page['menu_title'], $page['capability'], $page['menu_slug'], array( $this, 'html' ), $page['icon_url'], $page['position'] );

					// child
				} else {

					$slug = add_submenu_page( $page['parent_slug'], $page['page_title'], $page['menu_title'], $page['capability'], $page['menu_slug'], array( $this, 'html' ), $page['position'] );

				}

				// actions
				add_action( "load-{$slug}", array( $this, 'admin_load' ) );

			}

		}


		/*
		*  load
		*
		*  description
		*
		*  @type    function
		*  @date    2/02/13
		*  @since   3.6
		*
		*  @param   $post_id (int)
		*  @return  $post_id (int)
		*/

		function admin_load() {

			// globals
			global $plugin_page;

			// vars
			$this->page = acf_get_options_page( $plugin_page );

			// get post_id (allow lang modification)
			$this->page['post_id'] = acf_get_valid_post_id( $this->page['post_id'] );

			// verify and remove nonce
			if ( acf_verify_nonce( 'options' ) ) {

				// save data
				if ( acf_validate_save_post( true ) ) {

					// set autoload
					acf_update_setting( 'autoload', $this->page['autoload'] );

					// save
					acf_save_post( $this->page['post_id'] );

					// redirect
					wp_redirect( add_query_arg( array( 'message' => '1' ) ) );
					exit;

				}
			}

			// load acf scripts
			acf_enqueue_scripts();

			// actions
			add_action( 'acf/input/admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
			add_action( 'acf/input/admin_head', array( $this, 'admin_head' ) );

			// add columns support
			add_screen_option(
				'layout_columns',
				array(
					'max'     => 2,
					'default' => 2,
				)
			);

		}


		/*
		*  admin_enqueue_scripts
		*
		*  This function will enqueue the 'post.js' script which adds support for 'Screen Options' column toggle
		*
		*  @type    function
		*  @date    23/03/2016
		*  @since   5.3.2
		*
		*  @param
		*  @return
		*/

		function admin_enqueue_scripts() {

			wp_enqueue_script( 'post' );

		}


		/*
		*  admin_head
		*
		*  This action will find and add field groups to the current edit page
		*
		*  @type    action (admin_head)
		*  @date    23/06/12
		*  @since   3.1.8
		*
		*  @param   n/a
		*  @return  n/a
		*/

		function admin_head() {

			// get field groups
			$field_groups = acf_get_field_groups(
				array(
					'options_page' => $this->page['menu_slug'],
				)
			);

			// notices
			if ( ! empty( $_GET['message'] ) && $_GET['message'] == '1' ) {
				acf_add_admin_notice( $this->page['updated_message'], 'success' );
			}

			// add submit div
			add_meta_box( 'submitdiv', __( 'Publish', 'acf' ), array( $this, 'postbox_submitdiv' ), 'acf_options_page', 'side', 'high' );

			if ( empty( $field_groups ) ) {

				acf_add_admin_notice( sprintf( __( 'No Custom Field Groups found for this options page. <a href="%s">Create a Custom Field Group</a>', 'acf' ), admin_url( 'post-new.php?post_type=acf-field-group' ) ), 'warning' );

			} else {

				foreach ( $field_groups as $i => $field_group ) {

					// vars
					$id       = "acf-{$field_group['key']}";
					$title    = $field_group['title'];
					$context  = $field_group['position'];
					$priority = 'high';
					$args     = array( 'field_group' => $field_group );

					// tweaks to vars
					if ( $context == 'acf_after_title' ) {

						$context = 'normal';

					} elseif ( $context == 'side' ) {

						$priority = 'core';

					}

					// filter for 3rd party customization
					$priority = apply_filters( 'acf/input/meta_box_priority', $priority, $field_group );

					// add meta box
					add_meta_box( $id, acf_esc_html( $title ), array( $this, 'postbox_acf' ), 'acf_options_page', $context, $priority, $args );

				}
				// foreach

			}
			// if
		}


		/*
		*  postbox_submitdiv
		*
		*  This function will render the submitdiv metabox
		*
		*  @type    function
		*  @date    23/03/2016
		*  @since   5.3.2
		*
		*  @param   n/a
		*  @return  n/a
		*/

		function postbox_submitdiv( $post, $args ) {

			/**
			*   Fires before the major-publishing-actions div.
			*
			*  @date    24/9/18
			*  @since   5.7.7
			*
			*  @param array $page The current options page.
			*/
			do_action( 'acf/options_page/submitbox_before_major_actions', $this->page );
			?>
		<div id="major-publishing-actions">

			<div id="publishing-action">
				<span class="spinner"></span>
				<input type="submit" accesskey="p" value="<?php echo $this->page['update_button']; ?>" class="button button-primary button-large" id="publish" name="publish">
			</div>
			
			<?php
			/**
			 *   Fires before the major-publishing-actions div.
			 *
			 *  @date    24/9/18
			 *  @since   5.7.7
			 *
			 *  @param array $page The current options page.
			 */
			do_action( 'acf/options_page/submitbox_major_actions', $this->page );
			?>
			<div class="clear"></div>
		
		</div>
			<?php
		}


		/**
		 * Renders a postbox on an ACF options page.
		 *
		 * @date    24/02/2014
		 * @since   5.0.0
		 *
		 * @param object $post
		 * @param array  $args
		 *
		 * @return void
		 */
		function postbox_acf( $post, $args ) {
			$id          = $args['id'];
			$field_group = $args['args']['field_group'];

			// vars
			$o = array(
				'id'         => $id,
				'key'        => $field_group['key'],
				'style'      => $field_group['style'],
				'label'      => $field_group['label_placement'],
				'editLink'   => '',
				'editTitle'  => __( 'Edit field group', 'acf' ),
				'visibility' => true,
			);

			// edit_url
			if ( $field_group['ID'] && acf_current_user_can_admin() ) {

				$o['editLink'] = admin_url( 'post.php?post=' . $field_group['ID'] . '&action=edit' );

			}

			// load fields
			$fields = acf_get_fields( $field_group );

			// render
			acf_render_fields( $fields, $this->page['post_id'], 'div', $field_group['instruction_placement'] );

			?>
<script type="text/javascript">
if( typeof acf !== 'undefined' ) {
		
	acf.newPostbox(<?php echo json_encode( $o ); ?>);	

}
</script>
			<?php
		}


		/*
		*  html
		*
		*  @description:
		*  @since: 2.0.4
		*  @created: 5/12/12
		*/

		function html() {

			// load view
			acf_get_view( dirname( __FILE__ ) . '/views/html-options-page.php', $this->page );

		}


	}


	// initialize
	new acf_admin_options_page();

endif;

?>