<?php
/**
 * One site language: code (uk), URL slug (uk), WordPress locale (uk), name and flag.
 */

declare( strict_types = 1 );

namespace AddBlack\Lang\Language;

defined( 'ABSPATH' ) || exit;

final class Language {

	public function __construct(
		public readonly string $code,
		public readonly string $slug,
		public readonly string $name,
		public readonly string $locale,
		public readonly string $flag = '',
		public readonly bool $rtl = false
	) {}

	/**
	 * @param array<string, mixed> $data Shape stored in the blocklingo_settings option.
	 */
	public static function from_array( array $data ): self {
		$code = (string) ( $data['code'] ?? '' );
		return new self(
			$code,
			(string) ( $data['slug'] ?? $code ),
			(string) ( $data['name'] ?? $code ),
			(string) ( $data['locale'] ?? $code ),
			(string) ( $data['flag'] ?? '' ),
			! empty( $data['rtl'] )
		);
	}

	/** @return array{code: string, slug: string, name: string, locale: string, flag: string, rtl: int} */
	public function to_array(): array {
		return array(
			'code'   => $this->code,
			'slug'   => $this->slug,
			'name'   => $this->name,
			'locale' => $this->locale,
			'flag'   => $this->flag,
			'rtl'    => $this->rtl ? 1 : 0,
		);
	}

	/** "🇺🇦 Українська" */
	public function label(): string {
		return trim( $this->flag . ' ' . $this->name );
	}
}