<?php

namespace Advanced_Columns\Helpers;

use Advanced_Columns\Core;
use Advanced_Columns\Data\QueryDTO;

class Queries
{
	/**
	 * Return the default desktop query.
	 *
	 * @since 1.0.0
	 * @return \Advanced_Columns\Data\QueryDTO
	 */
	public static function default(): QueryDTO
	{
		return QueryDTO::default();
	}

	/**
	 * Return a list of all defined queries.
	 *
	 * @since 1.0.0
	 * @return array<int,QueryDTO>
	 */
	public static function get(): array
	{
		return Core::instance()->getSettingsManager()->getProvider()->get()->queries;
	}

	public static function getBySlug( string $slug ): ?QueryDTO
	{
		$queries = self::get();

		$queries = array_values( array_filter( $queries, function( QueryDTO $q ) use ( $slug ) {
			return $q->slug === $slug;
		} ) );

		if ( ! empty( $queries ) ) {
			return $queries[0];
		}

		return null;
	}

	/**
	 * Return a list of all defined queries from a set of saved settings.
	 *
	 * @since 1.0.0
	 * @return array<int,QueryDTO>
	 */
	public static function getFromSettings( ?array $savedQueries ): array
	{
		$queries = array();
		$queries[] = self::default();

		if ( $savedQueries ) {
			foreach ( $savedQueries as $query ) {
				$queries[] = QueryDTO::fromSettings( $query );
			}
		}

		return $queries;
	}

	/**
	 * Build the query string.
	 *
	 * @since 1.0.0
	 * @param string $query The original query string.
	 * @return string
	 */
	public static function build( string $query ): string
	{
		if ( $query && ! str_starts_with( $query, '@media' ) ) {
			$query = '@media ' . $query;
		}

		return $query;
	}
}