<?php

use App\Models\Product;
use App\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

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

function wpnMakeUser(): User
{
    $user = User::query()->create([
        'email' => uniqid('wpn_', true).'@test.example',
        'password' => bcrypt('password'),
    ]);
    $user->forceFill([
        'admin' => 1,
        'confirmed' => true,
        'active' => true,
        'wizard' => 100,
        'blocked' => false,
    ])->save();

    return $user->fresh();
}

test('leere wp_number wird aus der artikelnummer abgeleitet (nur ziffern)', function () {
    $this->actingAs(wpnMakeUser(), 'user');

    $response = $this->post(route('admin_product_store'), [
        'id' => 'new',
        'name' => 'WPN-Ableitung',
        'number' => 'GS-10 234',
        'wp_number' => '',
    ]);

    $response->assertRedirect();

    $product = Product::query()->where('name', 'WPN-Ableitung')->firstOrFail();
    expect($product->wp_number)->toBe(10234);
});

test('gesetzte wp_number bleibt unangetastet', function () {
    $this->actingAs(wpnMakeUser(), 'user');

    $response = $this->post(route('admin_product_store'), [
        'id' => 'new',
        'name' => 'WPN-Gesetzt',
        'number' => 'GS-10234',
        'wp_number' => '555',
    ]);

    $response->assertRedirect();

    $product = Product::query()->where('name', 'WPN-Gesetzt')->firstOrFail();
    expect($product->wp_number)->toBe(555);
});

test('artikelnummer ohne ziffern setzt keine wp_number', function () {
    $this->actingAs(wpnMakeUser(), 'user');

    $response = $this->post(route('admin_product_store'), [
        'id' => 'new',
        'name' => 'WPN-OhneZiffern',
        'number' => 'GS-XL',
        'wp_number' => '',
    ]);

    $response->assertRedirect();

    $product = Product::query()->where('name', 'WPN-OhneZiffern')->firstOrFail();
    expect($product->wp_number)->toBeNull();
});

test('abgeleitete wp_number unterliegt der unique-pruefung', function () {
    $this->actingAs(wpnMakeUser(), 'user');

    Product::query()->create([
        'name' => 'WPN-Bestand',
        'title' => 'WPN-Bestand',
        'active' => true,
        'wp_number' => 10234,
    ]);

    $response = $this->post(route('admin_product_store'), [
        'id' => 'new',
        'name' => 'WPN-Kollision',
        'number' => 'GS-10234',
        'wp_number' => '',
    ]);

    // Bei Validierungsfehlern rendert der Controller die Edit-View direkt (kein Redirect).
    $response->assertOk();
    $response->assertViewHas('errors', fn ($errors) => $errors->has('wp_number'));
    expect(Product::query()->where('name', 'WPN-Kollision')->exists())->toBeFalse();
});