<?php
/**
 * Shop settings.
 *
 * @package MadeCost
 */

namespace MadeCost;

defined( 'ABSPATH' ) || exit;

/**
 * Hourly rate, target margin and price rounding, kept in one option.
 */
final class Settings {

	const OPTION = 'madecost_settings';

	/**
	 * The defaults (same as DEFAULT_SETTINGS in src/engine/store-types.ts).
	 *
	 * @return array
	 */
	public static function defaults(): array {
		return array(
			'hourlyRateCents'       => 0,
			'targetMarginPercent'   => 50,
			'priceRounding'         => 'end99',
			'deleteDataOnUninstall' => false,
		);
	}

	/**
	 * Current settings, defaults filled in.
	 *
	 * @return array
	 */
	public function get(): array {
		$stored = get_option( self::OPTION, array() );
		$stored = is_array( $stored ) ? $stored : array();
		return array_merge( self::defaults(), array_intersect_key( $stored, self::defaults() ) );
	}

	/**
	 * Validate and save.
	 *
	 * @param mixed $input Decoded JSON.
	 * @return array Validator result.
	 */
	public function save( $input ): array {
		$result = Validator::settings( $input );
		if ( $result['ok'] ) {
			update_option( self::OPTION, $result['value'], false );
		}
		return $result;
	}
}