<?php

declare(strict_types=1);

namespace KTXC\Models\Tenant;

use InvalidArgumentException;
use KTXF\Preview\MimeType;

final readonly class TenantPreviewVariant
{
    public string $format;

    public function __construct(
        public int $width,
        public int $height,
        string $format,
        public int $quality,
    ) {
        if ($this->width < 1 || $this->height < 1) {
            throw new InvalidArgumentException('Preview variant dimensions must be positive');
        }
        if ($this->quality < 1 || $this->quality > 100) {
            throw new InvalidArgumentException('Preview variant quality must be between 1 and 100');
        }
        $this->format = MimeType::normalize($format);
    }

    public static function fromArray(array $data, ?self $defaults = null): self
    {
        $width = $data['width'] ?? $defaults?->width;
        $height = $data['height'] ?? $defaults?->height;
        $format = $data['format'] ?? $defaults?->format;
        $quality = $data['quality'] ?? $defaults?->quality;

        if (!is_int($width) || !is_int($height) || !is_string($format) || !is_int($quality)) {
            throw new InvalidArgumentException('Preview variants require integer dimensions and quality plus a MIME format');
        }

        return new self($width, $height, $format, $quality);
    }

    /** @return array{width:int,height:int,format:string,quality:int} */
    public function toArray(): array
    {
        return [
            'width' => $this->width,
            'height' => $this->height,
            'format' => $this->format,
            'quality' => $this->quality,
        ];
    }
}