<?php
namespace Akram;

defined( 'ABSPATH' ) || exit;

/**
 * Translations for the JavaScript apps. The build lists every UI string (assets/build/strings.json);
 * they are translated here with the plugin's WordPress.org language pack, so one translation project covers PHP and JS.
 */
final class I18n {

	/** @return array<string,string> English source => translation (only strings that differ). */
	public static function js_map() {
		$locale = function_exists( 'determine_locale' ) ? determine_locale() : get_locale();
		$brand  = self::brand();
		// English sites without a white-label name need no map at all.
		if ( ( 0 === strpos( $locale, 'en_' ) || 'en' === $locale ) && 'Akram' === $brand ) {
			return array();
		}
		$mo     = WP_LANG_DIR . '/plugins/akram-' . $locale . '.mo';
		// Updated translation files or strings invalidate the cache on their own.
		$key    = 'akram_i18n_'
			. md5( $locale . AKRAM_VERSION . $brand . ( file_exists( $mo ) ? filemtime( $mo ) : 0 ) . @filemtime( AKRAM_DIR . 'assets/build/strings.json' ) );
		$cached = get_transient( $key );
		if ( is_array( $cached ) ) {
			return $cached;
		}
		$file    = AKRAM_DIR . 'assets/build/strings.json';
		$strings = file_exists( $file ) ? json_decode( (string) file_get_contents( $file ), true ) : array();
		$map     = array();
		foreach ( (array) $strings as $s ) {
			$tr = translate( (string) $s, 'akram' ); // phpcs:ignore WordPress.WP.I18n
			if ( $tr !== $s ) {
				$map[ $s ] = $tr;
			}
		}
		set_transient( $key, $map, DAY_IN_SECONDS );
		return $map;
	}

	/** Product name shown to users (white label). */
	public static function brand() {
		$b = trim( (string) Options::get( 'brand_name', '' ) );
		return '' === $b ? 'Akram' : $b;
	}

	public static function brand_logo() {
		return esc_url_raw( (string) Options::get( 'brand_logo', '' ) );
	}

	public static function is_rtl() {
		return function_exists( 'is_rtl' ) && is_rtl();
	}
}