<?php

declare(strict_types=1);

namespace App\Services\Git;

use Carbon\CarbonImmutable;

/**
 * A provider-neutral open issue.
 */
final readonly class IssueSnapshot
{
    public function __construct(
        public int $number,
        public string $title,
        public string $htmlUrl,
        /** @var array<int, string> */
        public array $labels = [],
        public bool $isGoodFirstIssue = false,
        public bool $isHelpWanted = false,
        public ?string $author = null,
        public ?string $assignee = null,
        public int $comments = 0,
        public ?CarbonImmutable $createdAt = null,
        public ?CarbonImmutable $updatedAt = null,
    ) {}

    /**
     * Decide whether a label set marks an issue as newcomer-friendly, using
     * the spellings configured in config/git.php.
     *
     * @param  array<int, string>  $labels
     */
    public static function matchesLabelGroup(array $labels, string $group): bool
    {
        $wanted = array_map('mb_strtolower', config("git.labels.{$group}", []));
        $present = array_map('mb_strtolower', $labels);

        return array_intersect($wanted, $present) !== [];
    }

    /**
     * @return array<string, mixed>
     */
    public function toAttributes(): array
    {
        return [
            'number' => $this->number,
            'title' => $this->title,
            'html_url' => $this->htmlUrl,
            'labels' => $this->labels,
            'is_good_first_issue' => $this->isGoodFirstIssue,
            'is_help_wanted' => $this->isHelpWanted,
            'author' => $this->author,
            'assignee' => $this->assignee,
            'comments' => $this->comments,
            'issue_created_at' => $this->createdAt,
            'issue_updated_at' => $this->updatedAt,
        ];
    }
}