<?php

/**
 * Wizard-Payment: Da Radio Buttons nur eine Produktauswahl erlauben,
 * darf nach dem Absenden des Formulars immer nur exakt ein Produkt
 * im Warenkorb liegen — auch wenn der Nutzer per Browser-Zurück-Button
 * mehrfach einreicht.
 */

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

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

beforeEach(function () {
    Schema::connection('sqlite')->table('products', function ($table) {
        if (! Schema::connection('sqlite')->hasColumn('products', 'slug')) {
            $table->string('slug')->nullable();
        }
        if (! Schema::connection('sqlite')->hasColumn('products', 'free_shipping_consultant')) {
            $table->boolean('free_shipping_consultant')->default(false)->nullable();
        }
    });
});

function makeWizardProduct(string $name, float $price = 69.90, int $pos = 1): Product
{
    return Product::forceCreate([
        'name' => $name,
        'title' => $name,
        'price' => $price,
        'tax' => 19.00,
        'active' => true,
        'is_membership_only' => false,
        'pos' => $pos,
        'show_at' => 3,
        'show_on' => '["7","8"]',
        'identifier' => 'show_order',
        'action' => '["0","1"]',
        'no_commission' => false,
        'no_free_shipping' => false,
        'free_shipping_consultant' => false,
        'weight' => 0,
        'points' => 0,
        'slug' => \Illuminate\Support\Str::slug($name).'-'.uniqid(),
    ]);
}

it('entfernt vorhandene Produkte aus dem Wizard-Warenkorb wenn ein neues ausgewaehlt wird', function () {
    $productA = makeWizardProduct('Starter-Paket A', 49.90, 1);
    $productB = makeWizardProduct('Starter-Paket B', 99.90, 2);

    $instance = 'shopping';

    \Yard::instance($instance)->destroy();

    // Produkt A ist bereits im Warenkorb (simuliert den Zustand nach erstem Absenden)
    \Yard::instance($instance)->add(
        $productA->id,
        $productA->name,
        1,
        $productA->price,
        false,
        false,
        [
            'slug' => $productA->slug,
            'weight' => 0,
            'points' => 0,
            'no_commission' => false,
            'no_free_shipping' => false,
            'free_shipping_consultant' => false,
            'show_on' => $productA->show_on,
        ]
    );

    expect(\Yard::instance($instance)->count())->toBe(1);

    // Nutzer geht zurück und wählt Produkt B — die neue Logik soll Produkt A entfernen
    $cartItemB = \Yard::instance($instance)->add(
        $productB->id,
        $productB->name,
        1,
        $productB->price,
        false,
        false,
        [
            'slug' => $productB->slug,
            'weight' => 0,
            'points' => 0,
            'no_commission' => false,
            'no_free_shipping' => false,
            'free_shipping_consultant' => false,
            'show_on' => $productB->show_on,
        ]
    );

    // Schutzlogik aus WizardController::storePayment()
    foreach (\Yard::instance($instance)->content() as $existingItem) {
        if ($existingItem->rowId !== $cartItemB->rowId) {
            \Yard::instance($instance)->remove($existingItem->rowId);
        }
    }

    expect(\Yard::instance($instance)->count())->toBe(1);
    expect(\Yard::instance($instance)->content()->first()->id)->toBe($productB->id);

    \Yard::instance($instance)->destroy();
});

it('behaelt das Produkt bei qty=1 wenn dasselbe Produkt erneut abgesendet wird', function () {
    $product = makeWizardProduct('Starter-Paket A', 49.90, 1);

    $instance = 'shopping';

    \Yard::instance($instance)->destroy();

    \Yard::instance($instance)->add(
        $product->id,
        $product->name,
        1,
        $product->price,
        false,
        false,
        [
            'slug' => $product->slug,
            'weight' => 0,
            'points' => 0,
            'no_commission' => false,
            'no_free_shipping' => false,
            'free_shipping_consultant' => false,
            'show_on' => $product->show_on,
        ]
    );

    // Zweites Absenden desselben Produkts
    $cartItemAgain = \Yard::instance($instance)->add(
        $product->id,
        $product->name,
        1,
        $product->price,
        false,
        false,
        [
            'slug' => $product->slug,
            'weight' => 0,
            'points' => 0,
            'no_commission' => false,
            'no_free_shipping' => false,
            'free_shipping_consultant' => false,
            'show_on' => $product->show_on,
        ]
    );

    if ($cartItemAgain->qty > 1) {
        \Yard::instance($instance)->update($cartItemAgain->rowId, 1);
    }

    foreach (\Yard::instance($instance)->content() as $existingItem) {
        if ($existingItem->rowId !== $cartItemAgain->rowId) {
            \Yard::instance($instance)->remove($existingItem->rowId);
        }
    }

    expect(\Yard::instance($instance)->count())->toBe(1);
    expect(\Yard::instance($instance)->get($cartItemAgain->rowId)->qty)->toBe(1);

    \Yard::instance($instance)->destroy();
});