<?php

use App\Models\Setting;
use App\Models\UserAbo;
use App\Models\UserAboOrder;
use App\Models\UserAboStatusHistory;
use App\Repositories\AboRepository;
use App\Services\AboHelper;
use App\User;
use Carbon\Carbon;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

uses(TestCase::class, RefreshDatabase::class);

beforeEach(function () {
    Carbon::setTestNow(Carbon::parse('2026-07-22'));
});

afterEach(function () {
    Carbon::setTestNow();
});

function aptMakeUser(): User
{
    return User::forceCreate([
        'email' => 'apt-'.uniqid('', true).'@example.com',
        'password' => bcrypt('secret'),
        'lang' => 'de',
        'm_level' => 1,
        'payment_account' => now()->addYear(),
    ]);
}

function aptMakeAbo(User $user, int $paidDeliveries = 6, string $nextDate = '2026-08-05', ?string $lastPauseDate = null): UserAbo
{
    $abo = UserAbo::create([
        'user_id' => $user->id,
        'member_id' => $user->id,
        'shopping_user_id' => 0,
        'email' => 'apt-abo-'.uniqid('', true).'@example.com',
        'is_for' => 'me',
        'payone_userid' => 0,
        'clearingtype' => 'cc',
        'amount' => 5000,
        'active' => true,
        'status' => 2,
        'abo_interval' => 5,
        'start_date' => '2026-01-05',
        'last_date' => '2026-07-05',
        'next_date' => $nextDate,
        'last_pause_date' => $lastPauseDate,
    ]);

    for ($i = 0; $i < $paidDeliveries; $i++) {
        UserAboOrder::create([
            'user_abo_id' => $abo->id,
            'shopping_order_id' => 0,
            'status' => 2,
            'paid' => true,
        ]);
    }

    return $abo->fresh();
}

function aptPause(UserAbo $abo, string $view = 'portal'): bool
{
    $repository = new AboRepository;
    $repository->setModel($abo);

    $data = [
        'action' => 'abo_update_settings',
        'id' => $abo->id,
        'view' => $view,
        'abo_interval' => $abo->abo_interval,
        'abo_pause' => 'true',
    ];

    if ($view === 'admin') {
        // Das Admin-Formular sendet den Ausfuehrungsmonat immer mit
        $data['abo_next_month'] = now()->addMonth()->format('Y-m');
    }

    return $repository->update($data);
}

it('pausiert ein Abo um einen Monat und protokolliert die Aktion', function (): void {
    $user = aptMakeUser();
    $abo = aptMakeAbo($user);

    expect(aptPause($abo))->toBeTrue();

    $abo = $abo->fresh();

    expect(Carbon::parse($abo->getRawOriginal('next_date'))->format('Y-m-d'))->toBe('2026-09-05')
        ->and(Carbon::parse($abo->getRawOriginal('last_pause_date'))->format('Y-m-d'))->toBe('2026-07-22')
        ->and($abo->pause_count)->toBe(1)
        ->and((int) $abo->status)->toBe(2)
        ->and($abo->active)->toBeTrue();

    $history = UserAboStatusHistory::where('user_abo_id', $abo->id)->get();
    expect($history)->toHaveCount(1)
        ->and($history[0]->action)->toBe(UserAboStatusHistory::ACTION_PAUSED)
        ->and($history[0]->view)->toBe('portal')
        ->and($history[0]->previous_next_date->format('Y-m-d'))->toBe('2026-08-05')
        ->and($history[0]->new_next_date->format('Y-m-d'))->toBe('2026-09-05');
});

it('lehnt die Pause vor Erreichen der Mindestlaufzeit ab', function (): void {
    $user = aptMakeUser();
    $abo = aptMakeAbo($user, paidDeliveries: 3); // Default-Mindestlaufzeit ist 6

    expect(aptPause($abo))->toBeFalse();

    expect(Carbon::parse($abo->fresh()->getRawOriginal('next_date'))->format('Y-m-d'))->toBe('2026-08-05')
        ->and($abo->fresh()->pause_count)->toBe(0)
        ->and(UserAboStatusHistory::count())->toBe(0);
});

it('lehnt die Pause innerhalb der Sperrfrist vor der Ausfuehrung ab', function (): void {
    $user = aptMakeUser();
    $abo = aptMakeAbo($user, nextDate: '2026-07-24'); // in 2 Tagen, Sperre = 3 Tage

    expect(aptPause($abo))->toBeFalse()
        ->and($abo->fresh()->pause_count)->toBe(0);
});

it('erlaubt die Pause nur einmal pro rollierendem Intervall', function (): void {
    $user = aptMakeUser();

    // Letzte Pause vor 2 Monaten, Default-Intervall 6 Monate -> gesperrt
    $abo = aptMakeAbo($user, lastPauseDate: '2026-05-22');
    expect(AboHelper::canPauseAbo($abo, 'portal'))->toBeFalse()
        ->and(aptPause($abo))->toBeFalse()
        ->and(AboHelper::nextPossiblePauseDate($abo)->format('Y-m-d'))->toBe('2026-11-22');

    // Verkuerztes Intervall per Setting -> wieder erlaubt
    Setting::setContentBySlug('abo-pause-interval-months', 2, 'int');
    expect(AboHelper::getPauseIntervalMonths())->toBe(2)
        ->and(AboHelper::canPauseAbo($abo->fresh(), 'portal'))->toBeTrue()
        ->and(aptPause($abo->fresh()))->toBeTrue();
});

it('erlaubt Admins die Pause ohne Regelpruefung', function (): void {
    $user = aptMakeUser();
    $abo = aptMakeAbo($user, paidDeliveries: 0, lastPauseDate: '2026-07-01');

    expect(AboHelper::canPauseAbo($abo, 'admin'))->toBeTrue()
        ->and(aptPause($abo, 'admin'))->toBeTrue()
        ->and(Carbon::parse($abo->fresh()->getRawOriginal('next_date'))->format('Y-m-d'))->toBe('2026-09-05');
});

it('lehnt die Pause fuer inaktive oder gekuendigte Abos ab', function (): void {
    $user = aptMakeUser();
    $abo = aptMakeAbo($user);
    $abo->update(['status' => 6, 'active' => false]);

    expect(AboHelper::canPauseAbo($abo->fresh(), 'portal'))->toBeFalse()
        ->and(aptPause($abo->fresh()))->toBeFalse();
});

it('protokolliert die Kuendigung in der Status-Historie', function (): void {
    $user = aptMakeUser();
    $abo = aptMakeAbo($user);

    $repository = new AboRepository;
    $repository->setModel($abo);
    $repository->update([
        'action' => 'abo_update_settings',
        'id' => $abo->id,
        'view' => 'portal',
        'abo_interval' => $abo->abo_interval,
        'abo_cancel' => 'true',
    ]);

    expect((int) $abo->fresh()->status)->toBe(4);

    $history = UserAboStatusHistory::where('user_abo_id', $abo->id)->get();
    expect($history)->toHaveCount(1)
        ->and($history[0]->action)->toBe(UserAboStatusHistory::ACTION_CANCELLED);
});

it('zeigt im Selfservice-Modal die Pause und Outline-Kuendigung ohne Aktiv-Schalter', function (): void {
    app('request')->setLaravelSession(app('session.store'));

    $user = aptMakeUser();
    $abo = aptMakeAbo($user);

    $html = view('admin.abo.modal_abo_update', [
        'user_abo' => $abo,
        'data' => ['action' => 'abo_update_settings', 'id' => $abo->id, 'view' => 'portal'],
        'route' => '/portal/abo/update',
    ])->render();

    expect($html)
        ->toContain('abo_pause')
        ->toContain('btn-outline-danger')
        ->toContain(__('abo.cancel_abo'))
        ->not->toContain('switcher-input');

    $adminHtml = view('admin.abo.modal_abo_update', [
        'user_abo' => $abo,
        'data' => ['action' => 'abo_update_settings', 'id' => $abo->id, 'view' => 'admin'],
        'route' => '/admin/abo/update',
    ])->render();

    expect($adminHtml)->toContain('switcher-input')
        ->not->toContain('abo_pause');
});

it('zeigt die Pause im Admin-Aenderungsprotokoll', function (): void {
    $user = aptMakeUser();
    $abo = aptMakeAbo($user);
    aptPause($abo);

    $html = view('admin.abo._change_history', [
        'user_abo' => $abo->fresh(),
        'isAdmin' => true,
    ])->render();

    expect($html)
        ->toContain(e(__('abo_history.status_history_title')))
        ->toContain(__('abo_history.status_paused'))
        ->toContain(__('abo_history.status_shift', ['from' => '05.08.2026', 'to' => '05.09.2026']))
        ->toContain(__('abo_history.channel_portal'));
});