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<?php
/**
 * Utility functionality for the plugin
 *
 * @since      1.4.3
 *
 * @package    Better_Search_Replace
 * @subpackage Better_Search_Replace/includes
 */

// Prevent direct access.
if ( ! defined( 'BSR_PATH' ) ) {
	exit;
}

class BSR_Utils {
	const BSR_URL = 'https://bettersearchreplace.com';
	const WPE_URL = 'https://wpengine.com';

/**
	 * Create an external link for given URL.
	 *
	 * @param string $url
	 * @param string $text
	 *
	 * @return string
	 */
	public static function external_link( $url, $text ) {
		return sprintf( '<a href="%s" target="_blank">%s</a>', esc_url( $url ), esc_html( $text ) );
	}

/**
	 * Generate Better Search Replace site URL with correct UTM tags.
	 *
	 * @param string $path
	 * @param array  $args
	 * @param string $hash
	 *
	 * @return string
	 */
	public static function bsr_url( $path, $args = array(), $hash = '' ) {
		$args = wp_parse_args(
			$args,
			array( 'utm_medium' => 'insideplugin' )
		);
		$args = array_map( 'urlencode', $args );
		$url  = trailingslashit( self::BSR_URL ) . ltrim( $path, '/' );
		$url  = add_query_arg( $args, $url );
		if ( $hash ) {
			$url .= '#' . $hash;
		}

return $url;
	}

/**
	 * Generate WP Engine site URL with correct UTM tags.
	 *
	 * @param string $path
	 * @param array  $args
	 * @param string $hash
	 *
	 * @return string
	 */
	public static function wpe_url( $path = '', $args = array(), $hash = '' ) {
		$args = wp_parse_args(
			$args,
			[
				'utm_medium'   => 'referral',
				'utm_campaign' => 'bx_prod_referral',
			]
		);
		$args = array_map( 'urlencode', $args );
		$url  = trailingslashit( self::WPE_URL ) . ltrim( $path, '/' );
		$url  = add_query_arg( $args, $url );

if ( $hash ) {
			$url .= '#' . $hash;
		}

return $url;
	}

/**
	 * Get the plugin page url
	 *
	 * @return string
	 */
	public static function plugin_page_url() {
		return menu_page_url( 'better-search-replace', false );
	}

/**
	 * Is current admin screen for bsr.
	 *
	 * @return bool
	 */
	public static function is_bsr_screen() {
		$screen = get_current_screen();

return $screen->base === 'tools_page_better-search-replace';
	}

/**
	 * Ensures intent by verifying that a user was referred from another admin
	 * page with the correct security nonce, and that user has the capability
	 * level to use the plugin.
	 *
	 * @param int|string $action    The nonce action.
	 * @param string     $query_arg Key to check for nonce in `$_REQUEST`.
	 *
	 * @return bool
	 */
	public static function check_admin_referer( $action, $query_arg ) {
		return check_admin_referer( $action, $query_arg ) && bsr_enabled_for_user();
	}
}