/*
 * Copyright 2018 Intel Corporation, Inc
 *
 * 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 backend

import (
	smsconfig "sms/config"
)

// SecretDomain is where Secrets are stored.
// A single domain can have any number of secrets
type SecretDomain struct {
	UUID string `json:"uuid"`
	Name string `json:"name"`
}

// SecretKeyValue is building block for a Secret
type SecretKeyValue struct {
	Key   string `json:"name"`
	Value string `json:"value"`
}

// Secret is the struct that defines the structure of a secret
// A single Secret can have any number of SecretKeyValue pairs
type Secret struct {
	Name   string            `json:"name"`
	Values map[string]string `json:"values"`
}

// SecretBackend interface that will be implemented for various secret backends
type SecretBackend interface {
	Init() error

	GetStatus() (bool, error)
	GetSecretDomain(name string) (SecretDomain, error)
	GetSecret(dom string, sec string) (Secret, error)

	CreateSecretDomain(name string) (SecretDomain, error)
	CreateSecret(dom string, sec Secret) (Secret, error)

	DeleteSecretDomain(name string) error
	DeleteSecret(dom string, name string) error
}

// InitSecretBackend returns an interface implementation
func InitSecretBackend() (SecretBackend, error) {
	backendImpl := &Vault{
		vaultAddress: smsconfig.SMSConfig.VaultAddress,
		vaultToken:   smsconfig.SMSConfig.VaultToken,
	}

	err := backendImpl.Init()
	if err != nil {
		return nil, err
	}

	return backendImpl, nil
}

// LoginBackend Interface that will be implemented for various login backends
type LoginBackend interface {
}