<?php
/**
 * This file is part of the Cloudinary PHP package.
 *
 * (c) Cloudinary
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Cloudinary\Test\Integration\Admin;

use Cloudinary\Api\Exception\ApiError;
use Cloudinary\Test\Integration\IntegrationTestCase;
use PHPUnit_Framework_Constraint_IsType as IsType;

/**
 * Class UsageTest
 */
final class UsageTest extends IntegrationTestCase
{
    /**
     * Get cloud usage details.
     *
     * @throws ApiError
     */
    public function testGetCloudUsageDetails()
    {
        $result = self::$adminApi->usage();

        self::assertUsageResult($result);
    }

    /**
     * Get cloud usage details for a specific date.
     *
     * @throws ApiError
     */
    public function testGetCloudUsageDetailsForDate()
    {
        $date = date('d-m-Y', strtotime("-1 days"));

        $result = self::$adminApi->usage(['date' => $date]);

        self::assertUsageResult($result);

        self::assertArrayNotHasKey('limit', $result['bandwidth']);
        self::assertArrayNotHasKey('used_percent', $result['bandwidth']);
    }

    /**
     * Tests that different Admin API calls all include the rate limits
     *
     * For each Admin API call, standard HTTP headers are returned with details on your current usage statistics,
     * including your per-hour limit, remaining number of actions and the time the hourly count will be reset.
     * These HTTP headers are made part of the ApiResponse by the SDK.
     */
    public function testRateLimits()
    {
        $results[] = self::$adminApi->ping();
        $results[] = self::$adminApi->rootFolders();
        $results[] = self::$adminApi->assetTypes();

        foreach ($results as $result) {
            self::assertObjectStructure(
                $result,
                [
                    'rateLimitResetAt' => IsType::TYPE_INT,
                    'rateLimitAllowed' => IsType::TYPE_INT,
                    'rateLimitRemaining' => IsType::TYPE_INT
                ]
            );

            self::assertGreaterThan(0, $result->rateLimitAllowed);
            self::assertGreaterThan(0, $result->rateLimitRemaining);
            self::assertGreaterThan(0, $result->rateLimitResetAt);
        }
    }

    /**
     * Asserts a valid usage api response.
     *
     * @param \Cloudinary\Api\ApiResponse $result returned from a usage api request.
     */

    private static function assertUsageResult($result)
    {
        self::assertNotEmpty($result);
        self::assertObjectStructure(
            $result,
            [
                'plan' => IsType::TYPE_STRING,
                'last_updated' => IsType::TYPE_STRING,
                'transformations' => IsType::TYPE_ARRAY,
                'objects' => IsType::TYPE_ARRAY,
                'bandwidth' => IsType::TYPE_ARRAY,
                'storage' => IsType::TYPE_ARRAY,
                'requests' => IsType::TYPE_INT,
                'resources' => IsType::TYPE_INT,
                'derived_resources' => IsType::TYPE_INT,
                'media_limits' => IsType::TYPE_ARRAY,
            ]
        );
    }
}
