<?php

declare(strict_types=1);

namespace Shared\Models\ValueObjects;

/**
 * Represents raw, not a stored picture.
 */
final readonly class RawPicture
{
    public const array ALLOWED_EXTENSIONS = PicturePath::ALLOWED_EXTENSIONS;

    public const int MAX_SIZE_IN_BYTES = 5 * 1024 * 1024;

    /**
     * @param string $content      Binary content of the picture
     * @param string $originalName Original filename, used to infer the extension
     * @throws \DomainException
     */
    public function __construct(
        public string $content,
        public string $originalName,
    ) {
        if ($this->content === '') {
            throw new \DomainException('Raw picture content cannot be empty.');
        }

        if (strlen($this->content) > self::MAX_SIZE_IN_BYTES) {
            throw new \DomainException('Raw picture exceeds the maximum allowed size.');
        }

        $trimmedName = trim($this->originalName);

        if ($trimmedName === '') {
            throw new \DomainException('Raw picture original name cannot be empty.');
        }

        $extension = strtolower(pathinfo($trimmedName, PATHINFO_EXTENSION));
        if (! in_array($extension, self::ALLOWED_EXTENSIONS, true)) {
            throw new \DomainException('Raw picture must have one of these extensions: ' . implode(', ', self::ALLOWED_EXTENSIONS));
        }
    }
}