<?php

declare(strict_types=1);

namespace App\Services\Evidence;

use App\Models\EvidenceSnapshot;

final class EvidenceResolutionResult
{
    /**
     * @param  list<string>  $eligibleDimensions
     * @param  list<string>  $reasons
     */
    private function __construct(
        public readonly string $outcome,
        public readonly ?EvidenceSnapshot $snapshot,
        public readonly array $eligibleDimensions = [],
        public readonly array $reasons = [],
    ) {}

    public static function resolved(EvidenceSnapshot $snapshot, array $eligibleDimensions): self
    {
        return new self('resolved', $snapshot, $eligibleDimensions, []);
    }

    /**
     * @param  list<string>  $reasons
     */
    public static function missingSnapshot(array $reasons = []): self
    {
        return new self('missing_snapshot', null, [], $reasons);
    }

    /**
     * @param  list<string>  $reasons
     */
    public static function snapshotIneligible(EvidenceSnapshot $snapshot, array $reasons): self
    {
        return new self('snapshot_ineligible', $snapshot, [], $reasons);
    }

    public function isResolved(): bool
    {
        return $this->outcome === 'resolved' && $this->snapshot instanceof EvidenceSnapshot;
    }
}
