<?php
/**
 * @package WPSEO\Admin
 */

if ( ! defined( 'WPSEO_VERSION' ) ) {
	header( 'Status: 403 Forbidden' );
	header( 'HTTP/1.1 403 Forbidden' );
	exit();
}

add_filter( 'yoast_option_tab_help_center_metas', 'yoast_option_tab_help_center_metas' );
add_filter( 'yoast_option_tab_help_center_metas_general', 'yoast_option_tab_help_center_metas_general' );
add_filter( 'yoast_option_tab_help_center_metas_home', 'yoast_option_tab_help_center_metas_home' );
add_filter( 'yoast_option_tab_help_center_metas_post-types', 'yoast_option_tab_help_center_metas_post_types' );
add_filter( 'yoast_option_tab_help_center_metas_taxonomies', 'yoast_option_tab_help_center_metas_taxonomies' );
add_filter( 'yoast_option_tab_help_center_metas_archives', 'yoast_option_tab_help_center_metas_archives' );
add_filter( 'yoast_option_tab_help_center_metas_other', 'yoast_option_tab_help_center_metas_other' );

$options = WPSEO_Options::get_options( array( 'wpseo_titles', 'wpseo_permalinks', 'wpseo_internallinks' ) );

$yform = Yoast_Form::get_instance();
$yform->admin_header( true, 'wpseo_titles' );

$tabs = new WPSEO_Option_Tabs( 'metas' );
$tabs->add_tab( new WPSEO_Option_Tab( 'general', __( 'General', 'wordpress-seo' ), array( 'video_url' => 'https://yoa.st/screencast-metas' ) ) );
$tabs->add_tab( new WPSEO_Option_Tab( 'home', __( 'Homepage', 'wordpress-seo' ), array( 'video_url' => 'https://yoa.st/screencast-metas-homepage' ) ) );
$tabs->add_tab( new WPSEO_Option_Tab( 'post-types', __( 'Post Types', 'wordpress-seo' ), array( 'video_url' => 'https://yoa.st/screencast-metas-post-types' ) ) );
$tabs->add_tab( new WPSEO_Option_Tab( 'taxonomies', __( 'Taxonomies', 'wordpress-seo' ), array( 'video_url' => 'https://yoa.st/screencast-metas-taxonomies' ) ) );
$tabs->add_tab( new WPSEO_Option_Tab( 'archives', __( 'Archives', 'wordpress-seo' ), array( 'video_url' => 'https://yoa.st/screencast-metas-archives' ) ) );
$tabs->add_tab( new WPSEO_Option_Tab( 'other', __( 'Other', 'wordpress-seo' ), array( 'video_url' => 'https://yoa.st/screencast-metas-other' ) ) );
$tabs->display( $yform, $options );

$yform->admin_footer();

/**
 * Add help tabs
 *
 * @param array $tabs Current help center tabs.
 *
 * @return array
 */
function yoast_option_tab_help_center_metas( $tabs ) {
	$tabs[] = new WPSEO_Help_Center_Item(
		'basic-help',
		__( 'Template explanation', 'wordpress-seo' ),
		array(
			'content' => '<p>' . sprintf( __( 'The title &amp; metas settings for %1$s are made up of variables that are replaced by specific values from the page when the page is displayed. The tabs on the left explain the available variables.', 'wordpress-seo' ), 'Yoast SEO' ) . '</p>' . '<p>' . __( 'Note that not all variables can be used in every template.', 'wordpress-seo' ) . '</p>',
		)
	);

	$tabs[] = new WPSEO_Help_Center_Item(
		'title-vars',
		__( 'Basic Variables', 'wordpress-seo' ),
		array(
			'content' => '<h2>' . __( 'Basic Variables', 'wordpress-seo' ) . '</h2>' . WPSEO_Replace_Vars::get_basic_help_texts(),
		)
	);

	$tabs[] = new WPSEO_Help_Center_Item(
		'title-vars-advanced',
		__( 'Advanced Variables', 'wordpress-seo' ),
		array(
			'content' => '<h2>' . __( 'Advanced Variables', 'wordpress-seo' ) . '</h2>' . WPSEO_Replace_Vars::get_advanced_help_texts(),
		)
	);

	return $tabs;
}

/**
 * Add video tab
 *
 * @param array $tabs Current help center tabs.
 *
 * @return mixed
 */
function yoast_option_tab_help_center_metas_home( $tabs ) {
	array_unshift( $tabs, yoast_create_help_center_video( 'https://yoa.st/screencast-metas-homepage' ) );

	return $tabs;
}

/**
 * Add video tab
 *
 * @param array $tabs Current help center tabs.
 *
 * @return mixed
 */
function yoast_option_tab_help_center_metas_general( $tabs ) {
	array_unshift( $tabs, yoast_create_help_center_video( 'https://yoa.st/screencast-metas' ) );

	return $tabs;
}

/**
 * Add video tab
 *
 * @param array $tabs Current help center tabs.
 *
 * @return mixed
 */
function yoast_option_tab_help_center_metas_post_types( $tabs ) {
	array_unshift( $tabs, yoast_create_help_center_video( 'https://yoa.st/screencast-metas-post-types' ) );

	return $tabs;
}

/**
 * Add video tab
 *
 * @param array $tabs Current help center tabs.
 *
 * @return mixed
 */
function yoast_option_tab_help_center_metas_taxonomies( $tabs ) {
	array_unshift( $tabs, yoast_create_help_center_video( 'https://yoa.st/screencast-metas-taxonomies' ) );

	return $tabs;
}

/**
 * Add video tab
 *
 * @param array $tabs Current help center tabs.
 *
 * @return mixed
 */
function yoast_option_tab_help_center_metas_archives( $tabs ) {
	array_unshift( $tabs, yoast_create_help_center_video( 'https://yoa.st/screencast-metas-archives' ) );

	return $tabs;
}

/**
 * Add video tab
 *
 * @param array $tabs Current help center tabs.
 *
 * @return mixed
 */
function yoast_option_tab_help_center_metas_other( $tabs ) {
	array_unshift( $tabs, yoast_create_help_center_video( 'https://yoa.st/screencast-metas-other' ) );

	return $tabs;
}

/**
 * Create video help center item
 *
 * @param string $url Add video link.
 *
 * @return WPSEO_Help_Center_Item
 */
function yoast_create_help_center_video( $url ) {
	return new WPSEO_Help_Center_Item(
		'video',
		'Video tutorial',
		array(
			'view'           => 'partial-help-center-video',
			'view_arguments' => array(
				'tab_video_url' => $url,
			),
		)
	);
}