<?php

namespace Tests\Unit\Catalog;

use App\Domains\Catalog\Enums\AvailabilitySubject;
use App\Domains\Catalog\Services\CatalogItemAllowanceService;
use App\Domains\Purchase\Services\UserPurchaseLimitService;
use Mockery;
use Tests\TestCase;

class CatalogItemAllowanceServiceTest extends TestCase
{
    public function test_it_composes_stock_and_quota_into_restrictions_and_capabilities(): void
    {
        $service = new CatalogItemAllowanceService(
            Mockery::mock(UserPurchaseLimitService::class),
        );

        $availability = $service->availability(0, 0, AvailabilitySubject::Variant);

        $this->assertSame('variant', $availability['subject']);
        $this->assertSame(0, $availability['maximum_quantity']);
        $this->assertSame(
            ['user_quota_reached', 'out_of_stock'],
            array_column($availability['restrictions'], 'code'),
        );
        $this->assertSame([
            'display' => false,
            'select_variant' => false,
            'change_quantity' => false,
            'add_to_cart' => false,
            'buy_now' => false,
        ], $availability['capabilities']);
    }

    public function test_it_keeps_all_capabilities_when_no_restriction_applies(): void
    {
        $service = new CatalogItemAllowanceService(
            Mockery::mock(UserPurchaseLimitService::class),
        );

        $availability = $service->availability(5, 3);

        $this->assertSame('product', $availability['subject']);
        $this->assertSame(3, $availability['maximum_quantity']);
        $this->assertSame([], $availability['restrictions']);
        $this->assertNotContains(false, $availability['capabilities'], true);
    }

    public function test_reaching_the_user_quota_keeps_the_product_visible(): void
    {
        $service = new CatalogItemAllowanceService(
            Mockery::mock(UserPurchaseLimitService::class),
        );

        $availability = $service->availability(5, 0);

        $this->assertTrue($availability['capabilities']['display']);
        $this->assertFalse($availability['capabilities']['add_to_cart']);
        $this->assertSame('user_quota_reached', $availability['restrictions'][0]['code']);
    }

    public function test_it_describes_a_requested_quantity_that_exceeds_the_remaining_quota(): void
    {
        $service = new CatalogItemAllowanceService(
            Mockery::mock(UserPurchaseLimitService::class),
        );

        $availability = $service->purchaseLimitExceededAvailability(1, 'Solo podés agregar una unidad.');

        $this->assertSame(1, $availability['maximum_quantity']);
        $this->assertSame(
            'requested_quantity_exceeds_user_quota',
            $availability['restrictions'][0]['code'],
        );
        $this->assertTrue($availability['capabilities']['display']);
        $this->assertTrue($availability['capabilities']['change_quantity']);
    }
}