Lukasss93/laravel-larex

<?php

namespace Lukasss93\Larex\Linters;

use Lukasss93\Larex\Contracts\Linter;
use Lukasss93\Larex\Exceptions\LintException;
use Lukasss93\Larex\Support\CsvReader;

class ValidHeaderLinter implements Linter
{
    /**
     * @inheritDoc
     */
    public static function description(): string
    {
        return 'Validating header structure...';
    }

    /**
     * @inheritDoc
     */
    public function handle(CsvReader $reader): void
    {
        $header = $reader->getHeader();

        if (!isset($header[0])) {
            throw new LintException('First header column is missing.');
        }

        if ($header[0] !== 'group') {
            throw new LintException('First header column value is invalid. Must be "group".');
        }

        if (!isset($header[1])) {
            throw new LintException('Second header column is missing.');
        }

        if ($header[1] !== 'key') {
            throw new LintException('Second header column value is invalid. Must be "key".');
        }

        if (count($header) <= 2) {
            throw new LintException('No language columns found.');
        }
    }
}