<?php

declare(strict_types=1);

namespace LinkCheckup\Shared\Database;

use UnexpectedValueException;

final class RowColumns {

	/** @param array<string, string|null> $row */
	public static function text( array $row, string $column ): string {
		$value = $row[ $column ] ?? null;

		if ( null === $value ) {
			throw new UnexpectedValueException(
				esc_html( 'The database row has no value in ' . $column . '.' )
			);
		}

		return $value;
	}

	/** @param array<string, string|null> $row */
	public static function whole_number( array $row, string $column ): int {
		return (int) self::text( $row, $column );
	}

	/** @param array<string, string|null> $row */
	public static function optional_number(
		array $row,
		string $column
	): int|null {
		$value = $row[ $column ] ?? null;

		return null === $value ? null : (int) $value;
	}
}