package resources

import (
	"reflect"

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"

	v1etcd "edge-infra.dev/pkg/sds/etcd/operator/apis/etcdmember/v1"
	kubeclienttypes "edge-infra.dev/pkg/sds/lib/k8s/retryclient/types"
)

// secretMod is a function which modifies the Secret object
type secretMod func(*corev1.Secret)

// SecretHandlerBuilder is the builder object for SecretHandler
type SecretHandlerBuilder struct {
	secretHandler *SecretHandler
	actions       []secretMod
}

// SecretBuilder is the builder object for the Secret object within
// the SecretHandlerBuilder
type SecretBuilder struct {
	SecretHandlerBuilder
}

// NewSecretHandlerBuilder returns a new empty SecretHandlerBuilder
func NewSecretHandlerBuilder() *SecretHandlerBuilder {
	return &SecretHandlerBuilder{
		secretHandler: &SecretHandler{},
		actions:       []secretMod{},
	}
}

// Build is the method which creates SecretHandler
func (b *SecretHandlerBuilder) Build() *SecretHandler {
	b.secretHandler.Secret = newSecret()
	for _, action := range b.actions {
		action(b.secretHandler.Secret)
	}
	return b.secretHandler
}

// WithClient is a builder method to set the field Client in SecretHandlerBuilder
func (b *SecretHandlerBuilder) WithClient(v kubeclienttypes.Retrier) *SecretHandlerBuilder {
	b.secretHandler.Client = v
	return b
}

// WithKey is a builder method to set the field Key in SecretHandlerBuilder
func (b *SecretHandlerBuilder) WithKey(v types.NamespacedName) *SecretHandlerBuilder {
	b.secretHandler.Key = v
	return b
}

// HandlesSecret returns the SecretBuilder
func (b *SecretHandlerBuilder) HandlesSecret() *SecretBuilder {
	return &SecretBuilder{*b}
}

// Named is a builder method to set the field Name in SecretBuilder
func (b *SecretBuilder) Named(v string) *SecretBuilder {
	b.SecretHandlerBuilder.actions = append(b.SecretHandlerBuilder.actions, func(s *corev1.Secret) {
		s.Name = v
	})
	return b
}

// InNamespace is a builder method to set the field Namespace in SecretBuilder
func (b *SecretBuilder) InNamespace(v string) *SecretBuilder {
	b.SecretHandlerBuilder.actions = append(b.SecretHandlerBuilder.actions, func(s *corev1.Secret) {
		s.Namespace = v
	})
	return b
}

// WithOwner is a builder method to set the field OwnerReferences in SecretBuilder
func (b *SecretBuilder) WithOwner(v *v1etcd.EtcdMember) *SecretBuilder {
	b.SecretHandlerBuilder.actions = append(b.SecretHandlerBuilder.actions, func(s *corev1.Secret) {
		s.OwnerReferences = []metav1.OwnerReference{
			*metav1.NewControllerRef(
				v,
				v1etcd.GroupVersion.WithKind(reflect.TypeOf(v1etcd.EtcdMember{}).Name()),
			),
		}
	})
	return b
}

// WithData is a builder method to set the field Data["etcd-tar-gz"] in SecretBuilder
func (b *SecretBuilder) WithData(v []byte) *SecretBuilder {
	b.SecretHandlerBuilder.actions = append(b.SecretHandlerBuilder.actions, func(s *corev1.Secret) {
		if s.Data == nil {
			s.Data = make(map[string][]byte)
		}
		s.Data["etcd-tar-gz"] = v
	})
	return b
}

// newSecret creates a new default base Secret.
func newSecret() *corev1.Secret {
	return &corev1.Secret{
		TypeMeta: metav1.TypeMeta{
			Kind:       "Secret",
			APIVersion: "v1",
		},
		Type: "Opaque",
	}
}