<?php

namespace App\Console\Commands;

use App\Services\Mne\CompatibilityBackfill;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

final class BackfillMneCompatibility extends Command
{
    protected $signature = 'mne:backfill-compatibility {--batch=100} {--dry-run : Execute validation and roll back all changes}';

    protected $description = 'Reconcile compatibility identifiers without copying canonical business records';

    public function handle(CompatibilityBackfill $backfill): int
    {
        $batch = filter_var($this->option('batch'), FILTER_VALIDATE_INT, ['options' => ['min_range' => 1, 'max_range' => 1000]]);
        if ($batch === false) {
            $this->error('Batch must be between 1 and 1000');

            return self::FAILURE;
        }
        if ($this->option('dry-run')) {
            DB::beginTransaction();
            try {
                $counts = $backfill->run($batch);
            } finally {
                DB::rollBack();
            }
            $this->line(json_encode(['dry_run' => true, 'rolled_back' => true, 'counts' => $counts], JSON_THROW_ON_ERROR));
        } else {
            $this->line(json_encode($backfill->run($batch), JSON_THROW_ON_ERROR));
        }

        return self::SUCCESS;
    }
}