<?php

namespace App\Support\Qr;

use Carbon\Carbon;

class QrDateFormatter
{
    public static function forInput(?string $value): string
    {
        if ($value === null || trim($value) === '') {
            return '';
        }

        try {
            return Carbon::parse($value)->format('Y-m-d');
        } catch (\Throwable) {
            return '';
        }
    }

    public static function forDisplay(?string $value): string
    {
        if ($value === null || trim($value) === '') {
            return '';
        }

        $value = trim($value);

        if (preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) {
            try {
                return Carbon::createFromFormat('Y-m-d', $value)->format('D, j M Y');
            } catch (\Throwable) {
                return $value;
            }
        }

        return $value;
    }

    public static function normalize(?string $value, int $maxLength = 60): string
    {
        if ($value === null || trim($value) === '') {
            return '';
        }

        $value = trim($value);

        try {
            return Carbon::parse($value)->format('Y-m-d');
        } catch (\Throwable) {
            return mb_substr($value, 0, $maxLength);
        }
    }
}