<?php

use App\Console\Commands\ExpireGrandfathering;
use App\Enums\UserPaymentOptionStatus;
use App\Mail\GrandfatheringExpired;
use App\Models\BillingAddress;
use App\Models\PaymentOption;
use App\Models\User;
use App\Models\UserPaymentOption;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Mail;
use Tests\TestCase;

/**
 * Explizites Legacy-Vertragsende (Audit F06, Plan 5.2): Bestandsschutz mit
 * überschrittenem `grandfathered_until` wird beendet und der Kunde
 * informiert – bisher passierte das nur manuell über die Mahnung.
 */
function grandfatheredAgreement(?string $until = null, array $overrides = []): UserPaymentOption
{
    $user = User::factory()->create();
    BillingAddress::factory()->create(['user_id' => $user->id]);

    return UserPaymentOption::factory()->create([
        'user_id' => $user->id,
        'payment_option_id' => PaymentOption::factory()->create()->id,
        'status' => UserPaymentOptionStatus::Grandfathered->value,
        'stripe_subscription_id' => null,
        'grandfathered_until' => $until,
        'cancelled_at' => null,
        ...$overrides,
    ]);
}

test('grandfathering past its contract end is ended and the customer is told once', function () {
    /** @var TestCase $this */
    Mail::fake();
    Carbon::setTestNow('2026-09-18 04:15:00');

    $expired = grandfatheredAgreement('2026-09-17');
    $endsToday = grandfatheredAgreement('2026-09-18');
    $open = grandfatheredAgreement(null);
    $alreadyCancelled = grandfatheredAgreement('2026-09-01', ['status' => UserPaymentOptionStatus::Cancelled->value, 'cancelled_at' => now()->subDay()]);

    $this->artisan(ExpireGrandfathering::class)->assertSuccessful();

    expect($expired->fresh()->status)->toBe(UserPaymentOptionStatus::Cancelled)
        ->and($expired->fresh()->cancelled_at)->not->toBeNull()
        ->and($endsToday->fresh()->status)->toBe(UserPaymentOptionStatus::Grandfathered)
        ->and($open->fresh()->status)->toBe(UserPaymentOptionStatus::Grandfathered);

    Mail::assertQueued(GrandfatheringExpired::class, fn (GrandfatheringExpired $mail) => $mail->user->is($expired->user));
    Mail::assertQueuedCount(1);

    // Wiederholung ist wirkungslos.
    $this->artisan(ExpireGrandfathering::class)->assertSuccessful();
    Mail::assertQueuedCount(1);
    expect($alreadyCancelled->fresh()->cancelled_at->toDateString())->toBe('2026-09-17');

    Carbon::setTestNow();
});