<?php

namespace Ulmus\QueryBuilder;

use Ulmus\Query\QueryFragmentInterface;

# TODO -> Extract from MysqlQueryBuilder to build an ISO/IEC 9075:2023 compatible layer for a basic SQL QueryBuilder
abstract class SqlQueryBuilder implements QueryBuilderInterface
{
    protected string $rendered;

    protected string $hash;

    public function push(QueryFragmentInterface $queryFragment): QueryBuilderInterface
    {
        // TODO: Implement push() method.
    }

    public function pull(QueryFragmentInterface $queryFragment): QueryBuilderInterface
    {
        // TODO: Implement pull() method.
    }

    public function render(bool $skipToken = false) : mixed
    {
        // TODO: Implement render() method.
    }

    public function reset(): void
    {
        // TODO: Implement reset() method.
    }

    public function getFragment(string $class, int $index = 0): ?QueryFragmentInterface
    {
        // TODO: Implement getFragment() method.
    }

    public function removeFragment(QueryFragmentInterface|\Stringable|array|string $fragment): void
    {
        // TODO: Implement removeFragment() method.
    }

    public function hashSerializedQuery(): string
    {
        return $this->hash ??= md5(sprintf("%s:%s", $this->render(), serialize($this->parameters)));
    }
}