<?php

declare(strict_types=1);

namespace App\DTOs\Import;

readonly class VacationRowDto
{
    public function __construct(
        public string $employeeNumber,
        public ?string $type,
        public ?string $startDate,
        public ?string $endDate,
        public ?string $returnDate,
        public ?int $days,
        public ?string $status,
        public ?string $reason,
    ) {}

    /**
     * @param  array<string, mixed>  $row
     */
    public static function fromMappedRow(array $row): self
    {
        return new self(
            employeeNumber: (string) ($row['employee_number'] ?? ''),
            type: self::nullableString($row['type'] ?? null),
            startDate: self::nullableString($row['start_date'] ?? null),
            endDate: self::nullableString($row['end_date'] ?? null),
            returnDate: self::nullableString($row['return_date'] ?? null),
            days: isset($row['days']) && $row['days'] !== '' ? (int) $row['days'] : null,
            status: self::nullableString($row['status'] ?? null),
            reason: self::nullableString($row['reason'] ?? null),
        );
    }

    private static function nullableString(mixed $value): ?string
    {
        if ($value === null || $value === '') {
            return null;
        }

        return (string) $value;
    }
}