/*
 * ============LICENSE_START=======================================================
 * oom-certservice-k8s-external-provider
 * ================================================================================
 * Copyright (C) 2020 Nokia. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package cmpv2controller

import (
	"testing"

	"github.com/go-logr/logr"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"

	"onap.org/oom-certservice/k8s-external-provider/src/cmpv2api"
)

func Test_shouldBeValidCMPv2IssuerSpec_whenAllFieldsAreSet(t *testing.T) {
	spec := getValidCMPv2IssuerSpec()

	err := validateCMPv2IssuerSpec(spec, &MockLogger{})
	assert.Nil(t, err)
}

func Test_shouldBeInvalidCMPv2IssuerSpec_whenSpecIsEmpty(t *testing.T) {
	spec := cmpv2api.CMPv2IssuerSpec{}
	err := validateCMPv2IssuerSpec(spec, nil)
	assert.NotNil(t, err)
}

func Test_shouldBeInvalidCMPv2IssuerSpec_whenNotAllFieldsAreSet(t *testing.T) {
	setEmptyFieldFunctions := map[string]func(spec *cmpv2api.CMPv2IssuerSpec){
		"emptyUrl":            func(spec *cmpv2api.CMPv2IssuerSpec) { spec.URL = "" },
		"empryCaName":         func(spec *cmpv2api.CMPv2IssuerSpec) { spec.CaName = "" },
		"emptySecretName":     func(spec *cmpv2api.CMPv2IssuerSpec) { spec.CertSecretRef.Name = "" },
		"emptySecretKeyRef":   func(spec *cmpv2api.CMPv2IssuerSpec) { spec.CertSecretRef.KeyRef = "" },
		"emptySecretCertRef":  func(spec *cmpv2api.CMPv2IssuerSpec) { spec.CertSecretRef.CertRef = "" },
		"emptySecretCaertRef": func(spec *cmpv2api.CMPv2IssuerSpec) { spec.CertSecretRef.CacertRef = "" },
	}

	for caseName, setEmptyFieldFunction := range setEmptyFieldFunctions {
		t.Run(caseName, func(t *testing.T) {
			test_shouldBeInvalidCMPv2IssuerSpec_whenFunctionApplied(t, setEmptyFieldFunction)
		})
	}
}

func test_shouldBeInvalidCMPv2IssuerSpec_whenFunctionApplied(t *testing.T, transformSpec func(spec *cmpv2api.CMPv2IssuerSpec)) {
	spec := getValidCMPv2IssuerSpec()
	transformSpec(&spec)
	err := validateCMPv2IssuerSpec(spec, nil)
	assert.NotNil(t, err)
}

func getValidCMPv2IssuerSpec() cmpv2api.CMPv2IssuerSpec {
	issuerSpec := cmpv2api.CMPv2IssuerSpec{
		URL:    "https://oom-cert-service:8443/v1/certificate/",
		CaName: "RA",
		CertSecretRef: cmpv2api.SecretKeySelector{
			Name:      "issuer-cert-secret",
			KeyRef:    "cmpv2Issuer-key.pem",
			CertRef:   "cmpv2Issuer-cert.pem",
			CacertRef: "cacert.pem",
		},
	}
	return issuerSpec
}

type MockLogger struct {
	mock.Mock
}

func (m *MockLogger) Info(msg string, keysAndValues ...interface{})             {}
func (m *MockLogger) Error(err error, msg string, keysAndValues ...interface{}) {}
func (m *MockLogger) Enabled() bool                                             { return false }
func (m *MockLogger) V(level int) logr.Logger                                   { return m }
func (m *MockLogger) WithValues(keysAndValues ...interface{}) logr.Logger       { return m }
func (m *MockLogger) WithName(name string) logr.Logger                          { return m }