<?php

namespace Anikeen\Id\Tests;

use Anikeen\Id\Enums\Scope;
use PHPUnit\Framework\Attributes\DataProvider;
use ReflectionClass;

class ScopeTest extends TestCase
{
    public static function newScopes(): array
    {
        return [
            'products' => [Scope::PRODUCTS, 'products'],
            'products:read' => [Scope::PRODUCTS_READ, 'products:read'],
            'reseller-customers' => [Scope::RESELLER_CUSTOMERS, 'reseller-customers'],
            'reseller-customers:read' => [Scope::RESELLER_CUSTOMERS_READ, 'reseller-customers:read'],
            'reseller-grants' => [Scope::RESELLER_GRANTS, 'reseller-grants'],
            'reseller-orders' => [Scope::RESELLER_ORDERS, 'reseller-orders'],
        ];
    }

    #[DataProvider('newScopes')]
    public function test_the_product_and_reseller_scopes_have_their_names(string $constant, string $expected): void
    {
        $this->assertSame($expected, $constant);
    }

    public function test_every_scope_follows_the_resource_and_level_schema(): void
    {
        $scopes = array_values((new ReflectionClass(Scope::class))->getConstants());

        $this->assertSame($scopes, array_values(array_unique($scopes)), 'scope values must be unique');

        foreach ($scopes as $scope) {
            // "resource" (full access), "resource:read" or "resource:client"; Anikeen ID groups by resource
            $this->assertMatchesRegularExpression('/^[a-z]+(-[a-z]+)*(:(read|client))?$/', $scope);
        }
    }

    public function test_each_reseller_resource_is_its_own_group(): void
    {
        $groups = collect((new ReflectionClass(Scope::class))->getConstants())
            ->filter(fn (string $scope) => str_starts_with($scope, 'reseller-'))
            ->groupBy(fn (string $scope) => explode(':', $scope)[0])
            ->map(fn ($scopes) => $scopes->sort()->values()->all())
            ->all();

        $this->assertSame([
            'reseller-customers' => ['reseller-customers', 'reseller-customers:read'],
            'reseller-grants' => ['reseller-grants'],
            'reseller-orders' => ['reseller-orders'],
        ], $groups);
    }
}