<?php
/**
 * Admin CSS/JS — only on Atomic screens.
 *
 * @package ReactWoo\Atomic
 */

namespace ReactWoo\Atomic\Admin;

use ReactWoo\Atomic\Runtime\Script_Json;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Enqueues versioned admin assets.
 */
final class Assets {

	/**
	 * @return void
	 */
	public static function init() {
		add_action( 'admin_enqueue_scripts', array( __CLASS__, 'enqueue' ) );
	}

	/**
	 * @param string $hook_suffix Current admin page.
	 * @return void
	 */
	public static function enqueue( $hook_suffix ) {
		if ( ! self::is_atomic_screen( $hook_suffix ) ) {
			return;
		}

		$url = \ReactWoo\Atomic\Runtime\Env::url();
		$url = '' !== $url ? trailingslashit( $url ) : '';
		$ver = \ReactWoo\Atomic\Runtime\Env::version();
		if ( '' === $url ) {
			return;
		}

		wp_enqueue_style(
			'reactwoo-atomic-admin',
			$url . 'assets/admin/admin.css',
			array(),
			$ver
		);
		wp_enqueue_script(
			'reactwoo-atomic-admin',
			$url . 'assets/admin/admin.js',
			array(),
			$ver,
			true
		);

		$admin = Script_Json::encode(
			array(
				'i18n' => array(
					'unsaved'  => __( 'You have unsaved changes.', 'reactwoo-atomic' ),
					'enabled'  => __( 'Enabled', 'reactwoo-atomic' ),
					'disabled' => __( 'Disabled', 'reactwoo-atomic' ),
					'locked'   => __( 'Pro preview', 'reactwoo-atomic' ),
					'of'       => __( 'of', 'reactwoo-atomic' ),
					'elements' => __( 'elements enabled', 'reactwoo-atomic' ),
					'payload'  => __( 'Estimated frontend payload:', 'reactwoo-atomic' ),
					'kb'       => __( 'KB', 'reactwoo-atomic' ),
				),
			)
		);
		if ( '' !== $admin ) {
			wp_add_inline_script( 'reactwoo-atomic-admin', 'var reactwooAtomicAdmin=' . $admin . ';', 'before' );
		}
	}

	/**
	 * @param string $hook_suffix Hook.
	 * @return bool
	 */
	private static function is_atomic_screen( $hook_suffix ) {
		$hook_suffix = (string) $hook_suffix;
		if ( in_array( $hook_suffix, Menu::screen_slugs(), true ) ) {
			return true;
		}
		return false !== strpos( $hook_suffix, 'reactwoo-atomic' );
	}
}