<?php
/**
 * Remove no needed script and faster theme
 *
 * Author: Gian MR - http://www.gianmr.com
 *
 * @since 1.0.0
 * @package Majalahpro Core
 */

/* Exit if accessed directly */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! function_exists( 'majalahpro_core_disable_emojis' ) ) :
	/**
	 * Disable the emoji's
	 */
	function majalahpro_core_disable_emojis() {
		$majpro_other = get_option( 'majpro_other' );

		if ( isset( $majpro_other['other_remove_emoji_script'] ) && ! empty( $majpro_other['other_remove_emoji_script'] ) ) {
			/* option section default */
			$option = $majpro_other['other_remove_emoji_script'];
		} else {
			$option = 'off';
		}
		if ( 'on' === $option ) {
			remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
			remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
			remove_action( 'wp_print_styles', 'print_emoji_styles' );
			remove_action( 'admin_print_styles', 'print_emoji_styles' );
			remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
			remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
			remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
			add_filter( 'tiny_mce_plugins', 'majalahpro_core_disable_emojis_tinymce' );
			add_filter( 'wp_resource_hints', 'majalahpro_core_disable_emojis_remove_dns_prefetch', 10, 2 );
		}
	}
endif; // endif majalahpro_core_disable_emojis.
add_action( 'init', 'majalahpro_core_disable_emojis' );

/**
 * Filter function used to remove the tinymce emoji plugin.
 *
 * @param  array $plugins Options.
 * @return array Difference betwen the two arrays
 */
function majalahpro_core_disable_emojis_tinymce( $plugins ) {
	if ( is_array( $plugins ) ) {
		return array_diff( $plugins, array( 'wpemoji' ) );
	} else {
		return array();
	}
}

/**
 * Remove emoji CDN hostname from DNS prefetching hints.
 *
 * @param  array  $urls          URLs to print for resource hints.
 * @param  string $relation_type The relation type the URLs are printed for.
 * @return array                 Difference betwen the two arrays.
 */
function majalahpro_core_disable_emojis_remove_dns_prefetch( $urls, $relation_type ) {
	if ( 'dns-prefetch' === $relation_type ) {
		/** This filter is documented in wp-includes/formatting.php */
		$emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2/svg/' );

		$urls = array_diff( $urls, array( $emoji_svg_url ) );
	}

	return $urls;
}

if ( ! function_exists( 'majalahpro_core_remove_script_version' ) ) :
	/**
	 * Remove script version
	 *
	 * @param  array $src SRC to print for version number.
	 * @return array Remove src version.
	 */
	function majalahpro_core_remove_script_version( $src ) {
		$majpro_other = get_option( 'majpro_other' );

		if ( isset( $majpro_other['other_remove_script_version'] ) && ! empty( $majpro_other['other_remove_script_version'] ) ) {
			/* option section default */
			$option = $majpro_other['other_remove_script_version'];
		} else {
			$option = 'off';
		}

		if ( 'on' === $option && strpos( $src, 'ver=' ) ) {
			$src = remove_query_arg( 'ver', $src );
		}
		return $src;
	}
endif; // endif majalahpro_core_remove_script_version.
add_filter( 'script_loader_src', 'majalahpro_core_remove_script_version', 15, 1 );
add_filter( 'style_loader_src', 'majalahpro_core_remove_script_version', 15, 1 );


/**
 * Disable embeds on init.
 *
 * - Removes the needed query vars.
 * - Disables oEmbed discovery.
 * - Completely removes the related JavaScript.
 *
 * @since 1.0.0
 */
function majalahpro_core_disable_embeds_init() {

	$majpro_other = get_option( 'majpro_other' );

	if ( isset( $majpro_other['other_remove_oembed'] ) && ! empty( $majpro_other['other_remove_oembed'] ) ) {
		/* option section default */
		$option = $majpro_other['other_remove_oembed'];
	} else {
		$option = 'off';
	}

	if ( 'on' === $option ) {
		/* var WP wp */
		global $wp;
		// Remove the embed query var.
		$wp->public_query_vars = array_diff(
			$wp->public_query_vars,
			array(
				'embed',
			)
		);

		// Remove the REST API endpoint.
		remove_action( 'rest_api_init', 'wp_oembed_register_route' );

		// Turn off oEmbed auto discovery.
		add_filter( 'embed_oembed_discover', '__return_false' );

		// Don't filter oEmbed results.
		remove_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10 );

		// Remove oEmbed discovery links.
		remove_action( 'wp_head', 'wp_oembed_add_discovery_links' );

		// Remove oEmbed-specific JavaScript from the front-end and back-end.
		remove_action( 'wp_head', 'wp_oembed_add_host_js' );
		add_filter( 'tiny_mce_plugins', 'majalahpro_core_disable_embeds_tiny_mce_plugin' );

		// Remove all embeds rewrite rules.
		add_filter( 'rewrite_rules_array', 'majalahpro_core_disable_embeds_rewrites' );

		// Remove filter of the oEmbed result before any HTTP requests are made.
		remove_filter( 'pre_oembed_result', 'wp_filter_pre_oembed_result', 10 );
	}

	if ( isset( $majpro_other['other_wp_head_tag'] ) && ! empty( $majpro_other['other_wp_head_tag'] ) ) {
		/* option section default */
		$option_head = $majpro_other['other_wp_head_tag'];
	} else {
		$option_head = 'off';
	}

	if ( 'on' === $option_head ) {
		remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );

		// removes EditURI/RSD (Really Simple Discovery) link.
		remove_action( 'wp_head', 'rsd_link' );

		// removes wlwmanifest (Windows Live Writer) link.
		remove_action( 'wp_head', 'wlwmanifest_link' );

		// removes meta name generator.
		remove_action( 'wp_head', 'wp_generator' );

		// removes shortlink.
		remove_action( 'wp_head', 'wp_shortlink_wp_head' );

		// removes feed links.
		remove_action( 'wp_head', 'feed_links', 2 );

		// removes comments feed.
		remove_action( 'wp_head', 'feed_links_extra', 3 );
		remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head' );
	}
}
add_action( 'init', 'majalahpro_core_disable_embeds_init', 9999 );

/**
 * Dequeue jQuery Migrate script in WordPress.
 *
 * @param array $scripts URL.
 */
function majalahpro_core_dequeue_jquery_migrate( $scripts ) {
	if ( ! is_admin() && ! empty( $scripts->registered['jquery'] ) ) {
		$majpro_other = get_option( 'majpro_other' );

		if ( isset( $majpro_other['other_remove_jquery_migrate'] ) && ! empty( $majpro_other['other_remove_jquery_migrate'] ) ) {
			/* option section default */
			$option = $majpro_other['other_remove_jquery_migrate'];
		} else {
			$option = 'off';
		}

		if ( 'on' === $option ) {
			$jquery_dependencies                 = $scripts->registered['jquery']->deps;
			$scripts->registered['jquery']->deps = array_diff( $jquery_dependencies, array( 'jquery-migrate' ) );
		}
	}
}
add_action( 'wp_default_scripts', 'majalahpro_core_dequeue_jquery_migrate' );

/**
 * Removes the 'wpembed' TinyMCE plugin.
 *
 * @since 1.0.0
 *
 * @param array $plugins List of TinyMCE plugins.
 * @return array The modified list.
 */
function majalahpro_core_disable_embeds_tiny_mce_plugin( $plugins ) {
	return array_diff( $plugins, array( 'wpembed' ) );
}

/**
 * Remove all rewrite rules related to embeds.
 *
 * @since 1.2.0
 *
 * @param array $rules WordPress rewrite rules.
 * @return array Rewrite rules without embeds rules.
 */
function majalahpro_core_disable_embeds_rewrites( $rules ) {
	foreach ( $rules as $rule => $rewrite ) {
		if ( false !== strpos( $rewrite, 'embed=true' ) ) {
			unset( $rules[ $rule ] );
		}
	}

	return $rules;
}