<?php

namespace App\Services\Mne;

use Illuminate\Support\Facades\DB;

/** Read-only comparison adapter. Does not hydrate a legacy model or grant authority. */
final class MneBusinessRepository
{
    /** @return array<string, mixed>|null */
    public function comparison(string $legacyId): ?array
    {
        $row = DB::table('mne.business_links as l')
            ->join('mne.existing_businesses as b', 'b.id', '=', 'l.canonical_business_id')
            ->join('mne.business_modalities as m', 'm.id', '=', 'b.modality_id')
            ->join('mne.workflow_states as s', 's.id', '=', 'b.status_id')
            ->join('mne.data_classifications as c', 'c.id', '=', 'b.confidentiality_id')
            ->where('l.legacy_business_id', $legacyId)->where('l.status', 'active')
            ->where('l.valid_from', '<=', now())->where(fn ($q) => $q->whereNull('l.valid_until')->orWhere('l.valid_until', '>', now()))
            ->whereNull('b.deleted_at')->first(['b.public_code as code', 'm.code as modality', 's.code as status',
                'c.code as classification', 'b.version as version_no']);

        return $row ? (array) $row : null;
    }
}