<?php

use App\Enums\EmailNotificationType;
use App\Enums\PressReleaseStatus;
use App\Mail\PressReleasePublished;
use App\Mail\PressReleaseRejected;
use App\Models\EmailNotificationOptOut;
use App\Models\PressRelease;
use App\Models\User;
use App\Services\PressRelease\PressReleaseService;
use Database\Seeders\RolesAndPermissionsSeeder;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\URL;
use Livewire\Volt\Volt as LivewireVolt;
use Tests\TestCase;

/**
 * Abbestellbare Benachrichtigungs-Mails: Hinweis + One-Click-Unsubscribe im
 * Mail-Footer, öffentliche Abmelde-Seite ohne Login (signierte URL) und das
 * Opt-out-Gate vor dem Versand.
 */
function signedUnsubscribeUrl(User $user, EmailNotificationType $type): string
{
    return URL::signedRoute('email-preferences.unsubscribe', [
        'user' => $user->id,
        'type' => $type->value,
    ]);
}

test('notification mails contain the reason hint and a signed unsubscribe link', function () {
    $pressRelease = PressRelease::factory()->published()->create();
    $user = $pressRelease->user;

    $html = (new PressReleasePublished($user, $pressRelease))->render();

    expect($html)
        ->toContain('Warum erhalten Sie diese E-Mail?')
        ->toContain('Sie wurden als Pressekontakt hinterlegt')
        ->toContain('hier mit einem Klick austragen')
        ->toContain('e-mail-benachrichtigungen/abmelden/'.$user->id.'/'.EmailNotificationType::PressReleasePublished->value)
        ->toContain('signature=');

    $rejectedHtml = (new PressReleaseRejected($user, $pressRelease, 'Bitte Quellen ergänzen.'))->render();

    expect($rejectedHtml)
        ->toContain('Warum erhalten Sie diese E-Mail?')
        ->toContain('e-mail-benachrichtigungen/abmelden/'.$user->id.'/'.EmailNotificationType::PressReleaseRejected->value);
});

test('notification mails carry rfc 8058 list-unsubscribe headers', function () {
    $pressRelease = PressRelease::factory()->published()->create();

    $mailable = new PressReleasePublished($pressRelease->user, $pressRelease);

    $headers = $mailable->headers();

    expect($headers->text['List-Unsubscribe'])
        ->toContain('e-mail-benachrichtigungen/abmelden/')
        ->and($headers->text['List-Unsubscribe-Post'])
        ->toBe('List-Unsubscribe=One-Click');
});

test('the signed unsubscribe link opts the user out without login and shows a confirmation', function () {
    /** @var TestCase $this */
    $user = User::factory()->create();

    $this->get(signedUnsubscribeUrl($user, EmailNotificationType::PressReleasePublished))
        ->assertSuccessful()
        ->assertSee('Erfolgreich abgemeldet')
        ->assertSee('Pressemitteilung veröffentlicht')
        ->assertSee('Abmeldung rückgängig machen');

    expect($user->fresh()->wantsEmailNotification(EmailNotificationType::PressReleasePublished))->toBeFalse()
        ->and($user->fresh()->wantsEmailNotification(EmailNotificationType::PressReleaseRejected))->toBeTrue();
});

test('an unsubscribe link with a tampered signature does not opt out', function () {
    /** @var TestCase $this */
    $user = User::factory()->create();

    $url = route('email-preferences.unsubscribe', [
        'user' => $user->id,
        'type' => EmailNotificationType::PressReleasePublished->value,
    ]).'?signature=manipuliert';

    $this->get($url)
        ->assertSuccessful()
        ->assertSee('Dieser Abmelde-Link ist ungültig.');

    expect($user->fresh()->wantsEmailNotification(EmailNotificationType::PressReleasePublished))->toBeTrue();
});

test('mail clients can one-click unsubscribe via post without a csrf token', function () {
    /** @var TestCase $this */
    $user = User::factory()->create();

    $this->post(signedUnsubscribeUrl($user, EmailNotificationType::PressReleaseRejected))
        ->assertSuccessful();

    expect($user->fresh()->wantsEmailNotification(EmailNotificationType::PressReleaseRejected))->toBeFalse();
});

test('the confirmation page allows undoing the unsubscribe', function () {
    /** @var TestCase $this */
    $user = User::factory()->create();
    $user->optOutOfEmailNotification(EmailNotificationType::PressReleasePublished);

    $resubscribeUrl = URL::signedRoute('email-preferences.resubscribe', [
        'user' => $user->id,
        'type' => EmailNotificationType::PressReleasePublished->value,
    ]);

    $this->post($resubscribeUrl)
        ->assertSuccessful()
        ->assertSee('Wieder angemeldet');

    expect($user->fresh()->wantsEmailNotification(EmailNotificationType::PressReleasePublished))->toBeTrue();
});

test('an unknown notification type returns 404', function () {
    /** @var TestCase $this */
    $user = User::factory()->create();

    $this->get(URL::signedRoute('email-preferences.unsubscribe', [
        'user' => $user->id,
        'type' => 'gibt_es_nicht',
    ]))->assertNotFound();
});

test('the published notification is not sent to an opted-out author', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = PressRelease::factory()->create(['status' => PressReleaseStatus::Review->value]);
    $pressRelease->user->optOutOfEmailNotification(EmailNotificationType::PressReleasePublished);

    app(PressReleaseService::class)->publish($pressRelease);

    expect($pressRelease->fresh()->status)->toBe(PressReleaseStatus::Published);
    Mail::assertNothingOutgoing();
    Mail::assertNotQueued(PressReleasePublished::class);
});

test('the published notification is still sent to an author without opt-out', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = PressRelease::factory()->create(['status' => PressReleaseStatus::Review->value]);

    app(PressReleaseService::class)->publish($pressRelease);

    Mail::assertQueued(PressReleasePublished::class, fn (PressReleasePublished $mail) => $mail->hasTo($pressRelease->user->email));
});

test('the rejected notification is not sent to an opted-out author', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = PressRelease::factory()->create(['status' => PressReleaseStatus::Review->value]);
    $pressRelease->user->optOutOfEmailNotification(EmailNotificationType::PressReleaseRejected);

    app(PressReleaseService::class)->reject($pressRelease, 'Bitte überarbeiten.');

    expect($pressRelease->fresh()->status)->toBe(PressReleaseStatus::Rejected);
    Mail::assertNotQueued(PressReleaseRejected::class);
});

test('customers can manage their email notification preferences in the profile', function () {
    /** @var TestCase $this */
    $this->seed(RolesAndPermissionsSeeder::class);

    $customer = User::factory()->create(['is_active' => true]);
    $customer->assignRole('customer');

    $this->actingAs($customer);

    LivewireVolt::test('customer.profile')
        ->set('emailNotifications.'.EmailNotificationType::PressReleasePublished->value, false)
        ->call('saveProfile')
        ->assertHasNoErrors();

    expect($customer->fresh()->wantsEmailNotification(EmailNotificationType::PressReleasePublished))->toBeFalse();

    LivewireVolt::test('customer.profile')
        ->set('emailNotifications.'.EmailNotificationType::PressReleasePublished->value, true)
        ->call('saveProfile')
        ->assertHasNoErrors();

    expect($customer->fresh()->wantsEmailNotification(EmailNotificationType::PressReleasePublished))->toBeTrue();
});

test('opting out twice keeps a single opt-out row', function () {
    $user = User::factory()->create();

    $user->optOutOfEmailNotification(EmailNotificationType::PressReleasePublished);
    $user->optOutOfEmailNotification(EmailNotificationType::PressReleasePublished);

    expect(EmailNotificationOptOut::query()->where('user_id', $user->id)->count())->toBe(1);
});