<?php

namespace App\Models;

use App\Services\Billing\DunningSchedule;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * Eine Rückstands-Episode: von der ersten gescheiterten Abbuchung bis zur
 * Begleichung oder zur Sperre.
 */
class DunningCase extends Model
{
    protected $fillable = [
        'subscription_id', 'stripe_invoice_id', 'level',
        'opened_at', 'next_step_at', 'settled_at', 'fee_invoice_ids', 'note',
    ];

    protected function casts(): array
    {
        return [
            'level' => 'integer',
            'opened_at' => 'datetime',
            'next_step_at' => 'datetime',
            'settled_at' => 'datetime',
            'fee_invoice_ids' => 'array',
        ];
    }

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

    /** Läuft noch — weder beglichen noch von Hand geschlossen. */
    public function isOpen(): bool
    {
        return $this->settled_at === null;
    }

    public function isSuspended(): bool
    {
        return $this->level >= DunningSchedule::SUSPENDED;
    }
}