<?php

// remove campaigns from Visual Composer
add_filter( 'vc_settings_exclude_post_type', 'mailster_vc_settings_exclude_post_type' );
function mailster_vc_settings_exclude_post_type( $post_types ) {
	$post_types[] = 'newsletter';
	return $post_types;
};

// add Visual Composer shortcodes
if ( defined( 'WPB_VC_VERSION' ) ) {
	add_filter( 'mailster_strip_shortcode_tags', 'mailster_add_vc_shortcode_tags' );
	function mailster_add_vc_shortcode_tags( $shortcode_tags ) {
		$shortcode_tags[] = 'vc_([a-z_]+)';
		return $shortcode_tags;
	};
}

// do not cache newsletter homepage on WP Rocket
add_filter( 'rocket_cache_reject_uri', 'mailster_rocket_cache_reject_uri' );
function mailster_rocket_cache_reject_uri( $uri ) {

	if ( $link = get_permalink( mailster_option( 'homepage' ) ) ) {
		$uri[] = '(.*)/' . basename( $link ) . '/(.*)';
	}
	return $uri;
};


// do stuff on newsletter homepage updated
add_action( 'mailster_update_homepage', 'mailster_maybe_flush_rocket_cache' );
function mailster_maybe_flush_rocket_cache( $post ) {

	// WP Rocket
	function_exists( 'flush_rocket_htaccess' ) && flush_rocket_htaccess();
	function_exists( 'rocket_generate_config_file' ) && rocket_generate_config_file();

};

// WP Offload S3 - disabled
add_action( '_as3cf_init', 'mailster_disable_as3cf_on_content' );
function mailster_disable_as3cf_on_content( $as3cf ) {
	// remove this filter so images paths stay the same
	remove_filter( 'content_save_pre', array( $as3cf->filter_s3, 'filter_post' ) );
};


// no support for Elementor Page Builder.
add_filter( 'pre_update_option_elementor_cpt_support', 'mailster_pre_update_option_elementor_cpt_support' );
function mailster_pre_update_option_elementor_cpt_support( $cpt_support ) {

	if ( $pos = array_search( 'newsletter', $cpt_support ) ) {
		mailster_notice( sprintf( esc_html__( 'Mailster Campaigns do not support the %s.', 'mailster' ), 'Elementor Page Builder' ), 'error', true );
		unset( $cpt_support[ $pos ] );
		$cpt_support = array_values( $cpt_support );
	}

	return $cpt_support;
};

// no support for Beaver Builder.
add_filter( 'fl_builder_admin_settings_post_types', 'mailster_fl_builder_admin_settings_post_types' );
function mailster_fl_builder_admin_settings_post_types( $post_types ) {

	if ( isset( $post_types['newsletter'] ) ) {
		unset( $post_types['newsletter'] );
	}

	return $post_types;
};

// no support for Fusion Builder.
add_filter( 'pre_update_option_fusion_builder_settings', 'mailster_pre_update_option_fusion_builder_settings' );
function mailster_pre_update_option_fusion_builder_settings( $settings ) {

	if ( isset( $settings['post_types'] ) && $pos = array_search( 'newsletter', $settings['post_types'] ) ) {
		unset( $settings['post_types'][ $pos ] );
		$settings['post_types'] = array_values( $settings['post_types'] );
	}

	return $settings;
};

// no support for Cornerstone Page Builder.
add_filter( 'pre_update_option_cornerstone_settings', 'mailster_pre_update_option_cornerstone_settings' );
function mailster_pre_update_option_cornerstone_settings( $settings ) {

	if ( isset( $settings['allowed_post_types'] ) && $pos = array_search( 'newsletter', $settings['allowed_post_types'] ) ) {
		mailster_notice( sprintf( esc_html__( 'Mailster Campaigns do not support the %s.', 'mailster' ), 'Cornerstone Page Builder' ), 'error', true );
		unset( $settings['allowed_post_types'][ $pos ] );
		$settings['allowed_post_types'] = array_values( $settings['allowed_post_types'] );
	}

	return $settings;
};

// support for Offload Media Lite
add_action( 'as3cf_init', 'mailster_fix_for_as3cf' );
function mailster_fix_for_as3cf( $as3cf ) {

	// this removes a filter which replaces amazon links back to local ones in campaigns
	add_filter(
		'pre_post_content',
		function( $value ) use ( $as3cf ) {

			if ( 'newsletter' == get_post_type() ) {
				remove_filter( 'content_save_pre', array( $as3cf->filter_provider, 'filter_post' ) );
			}

			return $value;

		}
	);

}

// do not add share buttons from jetpack in the content
add_action( 'sharing_show', 'mailster_jetpack_sharing_show' );
function mailster_jetpack_sharing_show( $show ) {

	if ( defined( 'MAILSTER_DOING_CRON' ) ) {
		return false;
	}

	return $show;

}


// replace any Google fonts with LGF
add_filter( 'mailster_do_placeholder', 'mailster_maybe_use_lgf' );
function mailster_maybe_use_lgf( $content ) {
	return apply_filters( 'local_google_fonts_replace_in_content', $content );
}


// stuff for Advanced Custom Fields
if ( class_exists( 'ACF' ) ) {
	add_filter( 'mailster_editor_tags', 'mailster_add_acf_tags' );
	// replace Advanced Custom Fields
	add_filter( 'mailster_replace_acf', 'mailster_replace_acf', 10, 5 );
}

function mailster_replace_acf( $replace_to, $selector, $fallback, $campaign_id, $subscriber_id ) {
	$object = get_field_object( $selector, $campaign_id );

	if ( $object['value'] == '' ) {
		return $fallback;
	}

	return $object['value'];
}
function mailster_add_acf_tags( $tags ) {

	global $post_id;

	$fields = get_field_objects( $post_id, false, false );

	if ( empty( $fields ) ) {
		return $tags;
	}

	$tags['acf'] = array(
		'name' => esc_html__( 'Advanced Custom Fields', 'mailster' ),
		'tags' => array(),
	);

	foreach ( $fields as $key => $field ) {
		$tags['acf']['tags'][ 'acf:' . $key ] = $field['label'];
	}

	return $tags;
}