<?php

/**
 * League.Csv (https://csv.thephpleague.com)
 *
 * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace League\Csv;

/**
 * A class to insert records into a CSV Document.
 */
interface TabularDataWriter
{
    /**
     * Adds multiple records to the CSV document.
     *
     * @see TabularDataWriter::insertOne
     *
     * @throws CannotInsertRecord If the record can not be inserted
     * @throws Exception          If the record can not be inserted
     */
    public function insertAll(iterable $records): int;

    /**
     * Adds a single record to a CSV document.
     *
     * A record is an array that can contain scalar type values, NULL values
     * or objects implementing the __toString method.
     *
     * @throws CannotInsertRecord If the record can not be inserted
     * @throws Exception          If the record can not be inserted
     */
    public function insertOne(array $record): int;
}