/*
Copyright © The ESO Authors

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

    https://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 scaleway

import (
	"github.com/external-secrets/external-secrets-e2e/framework"
	"github.com/onsi/gomega"
	smapi "github.com/scaleway/scaleway-sdk-go/api/secret/v1beta1"
	"github.com/scaleway/scaleway-sdk-go/scw"
)

const remoteRefPrefix = "name:"
const cleanupTag = "eso-e2e" // tag for easy cleanup

type secretStoreProvider struct {
	api *smapi.API
	cfg *config
}

func (p *secretStoreProvider) init(cfg *config) {

	p.cfg = cfg

	options := []scw.ClientOption{
		scw.WithDefaultRegion(scw.Region(cfg.region)),
		scw.WithDefaultProjectID(cfg.projectId),
		scw.WithAuth(cfg.accessKey, cfg.secretKey),
	}

	if cfg.apiUrl != nil {
		options = append(options, scw.WithAPIURL(*cfg.apiUrl))
	}

	scwClient, err := scw.NewClient(options...)
	gomega.Expect(err).ToNot(gomega.HaveOccurred())

	p.api = smapi.NewAPI(scwClient)
}

// cleanup prevents accumulation of secrets after aborted runs.
func (p *secretStoreProvider) cleanup() {

	for {
		listResp, err := p.api.ListSecrets(&smapi.ListSecretsRequest{
			ProjectID: &p.cfg.projectId,
			Tags:      []string{cleanupTag},
		})
		gomega.Expect(err).ToNot(gomega.HaveOccurred())

		for _, secret := range listResp.Secrets {
			err := p.api.DeleteSecret(&smapi.DeleteSecretRequest{
				SecretID: secret.ID,
			})
			gomega.Expect(err).ToNot(gomega.HaveOccurred())
		}

		if uint64(len(listResp.Secrets)) == listResp.TotalCount {
			break
		}
	}
}

func (p *secretStoreProvider) CreateSecret(key string, val framework.SecretEntry) {

	gomega.Expect(key).To(gomega.HavePrefix(remoteRefPrefix))
	secretName := key[len(remoteRefPrefix):]

	var tags []string
	for tag := range val.Tags {
		tags = append(tags, tag)
	}

	tags = append(tags, cleanupTag)

	secret, err := p.api.CreateSecret(&smapi.CreateSecretRequest{
		Name: secretName,
		Tags: tags,
	})
	gomega.Expect(err).ToNot(gomega.HaveOccurred())

	_, err = p.api.CreateSecretVersion(&smapi.CreateSecretVersionRequest{
		SecretID: secret.ID,
		Data:     []byte(val.Value),
	})
	gomega.Expect(err).ToNot(gomega.HaveOccurred())
}

func (p *secretStoreProvider) DeleteSecret(key string) {

	gomega.Expect(key).To(gomega.HavePrefix(remoteRefPrefix))
	secretName := key[len(remoteRefPrefix):]

	p.api.GetSecret(&smapi.GetSecretRequest{
		Region:   "",
		SecretID: "",
	})
	res, err := p.api.ListSecrets(&smapi.ListSecretsRequest{
		Name: &secretName,
	})
	if _, isErrNotFound := err.(*scw.ResourceNotFoundError); isErrNotFound {
		return
	}
	gomega.Expect(err).ToNot(gomega.HaveOccurred())

	for _, secret := range res.Secrets {
		err = p.api.DeleteSecret(&smapi.DeleteSecretRequest{
			SecretID: secret.ID,
		})
		if _, isErrNotFound := err.(*scw.ResourceNotFoundError); isErrNotFound {
			return
		}
		gomega.Expect(err).ToNot(gomega.HaveOccurred())
	}
}