<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * Whether one invoice reached one destination.
 *
 * A row per pair rather than a flag on the invoice: an invoice is not
 * "exported", it is on this target and not yet on that one — which is the only
 * interesting question once there is more than one, and the only thing the
 * sweep can act on.
 */
class InvoiceExport extends Model
{
    protected $fillable = ['invoice_id', 'export_target_id', 'exported_at', 'error', 'attempts'];

    protected function casts(): array
    {
        return ['exported_at' => 'datetime', 'attempts' => 'integer'];
    }

    public function invoice(): BelongsTo
    {
        return $this->belongsTo(Invoice::class);
    }

    public function target(): BelongsTo
    {
        return $this->belongsTo(ExportTarget::class, 'export_target_id');
    }
}