// Copyright 2023 Versity Software
// This file is licensed under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package integration

import (
	"context"
	"fmt"
	"net/http"
	"time"

	"github.com/aws/aws-sdk-go-v2/service/s3"
	"github.com/versity/versitygw/s3err"
)

func DeleteBucket_non_existing_bucket(s *S3Conf) error {
	testName := "DeleteBucket_non_existing_bucket"
	runF(testName)
	bucket := getBucketName()
	s3client := s.GetClient()

	ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
	_, err := s3client.DeleteBucket(ctx, &s3.DeleteBucketInput{
		Bucket: &bucket,
	})
	cancel()
	if err := checkApiErr(err, s3err.GetAPIError(s3err.ErrNoSuchBucket)); err != nil {
		failF("%v: %v", testName, err)
		return fmt.Errorf("%v: %w", testName, err)
	}
	passF(testName)
	return nil
}

func DeleteBucket_non_empty_bucket(s *S3Conf) error {
	testName := "DeleteBucket_non_empty_bucket"
	return actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
		_, err := putObjects(s3client, []string{"foo"}, bucket)
		if err != nil {
			return err
		}
		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
		_, err = s3client.DeleteBucket(ctx, &s3.DeleteBucketInput{
			Bucket: &bucket,
		})
		cancel()
		if err := checkApiErr(err, s3err.GetAPIError(s3err.ErrBucketNotEmpty)); err != nil {
			return err
		}

		return nil
	})
}

func DeleteBucket_success_status_code(s *S3Conf) error {
	testName := "DeleteBucket_success_status_code"
	runF(testName)
	bucket := getBucketName()

	err := setup(s, bucket)
	if err != nil {
		failF("%v: %v", testName, err)
		return fmt.Errorf("%v: %w", testName, err)
	}

	req, err := createSignedReq(http.MethodDelete, s.endpoint, bucket, s.awsID, s.awsSecret, "s3", s.awsRegion, "", nil, time.Now(), nil)
	if err != nil {
		failF("%v: %v", testName, err)
		return fmt.Errorf("%v: %w", testName, err)
	}

	resp, err := s.httpClient.Do(req)
	if err != nil {
		failF("%v: %v", testName, err)
		return fmt.Errorf("%v: %w", testName, err)
	}

	if resp.StatusCode != http.StatusNoContent {
		failF("%v: expected response status to be %v, instead got %v", testName, http.StatusNoContent, resp.StatusCode)
		return fmt.Errorf("%v: expected response status to be %v, instead got %v", testName, http.StatusNoContent, resp.StatusCode)
	}

	passF(testName)
	return nil
}

func DeleteBucket_incorrect_expected_bucket_owner(s *S3Conf) error {
	testName := "DeleteBucket_incorrect_expected_bucket_owner"
	return actionHandler(s, testName, func(s3client *s3.Client, bucket string) error {
		ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
		_, err := s3client.DeleteBucket(ctx, &s3.DeleteBucketInput{
			Bucket:              &bucket,
			ExpectedBucketOwner: getPtr(s.awsID + "something"),
		})
		cancel()
		return checkApiErr(err, s3err.GetAPIError(s3err.ErrAccessDenied))
	})
}