/*

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 instance

import (
	meta "k8s.libre.sh/meta"
	"k8s.libre.sh/objects/configmap"
	secret "k8s.libre.sh/objects/secret"
	parameters "k8s.libre.sh/settings"
)

type Dependency interface {
	GetParameters() parameters.Interface
	//	GetSecretParameters() *parameters.Settings
	//	GetConfigParameters() *parameters.Settings
	SetDefaults(i Instance)
}

type Settings interface {
	GetMeta() Meta
	GetSecretMeta() Meta
	GetConfigMapMeta() Meta
	GetParameters() parameters.Interface
	//	GetSecretParameters() *parameters.Settings
	//	GetConfigParameters() *parameters.Settings
	//	GetSecret() secret.Mutate
	//	GetConfigMap() configmap.Mutate
	SetDefaults(i Instance)
}

func InitParametersFromSettings(s Settings, p parameters.Interface) {

	secretRefs := p.GetSecretRefs()
	configRefs := p.GetConfigRefs()

	for _, param := range *p.GetParameters() {
		if len(param.MountType) == 0 {
			param.MountType = parameters.MountFrom

			if len(param.ValueFrom.Ref) == 0 {
				if param.Type == parameters.SecretParameter {
					secretRefs = append(secretRefs, s.GetMeta().GetName())
				}
				configRefs = append(configRefs, s.GetMeta().GetName())
			}
		}

		if len(param.Type) == 0 {
			param.Type = parameters.ConfigParameter
		}
	}

	p.SetConfigRefs(Unique(configRefs))
	p.SetSecretRefs(Unique(secretRefs))
}

func Unique(stringSlice []string) []string {
	keys := make(map[string]bool)
	list := []string{}
	for _, entry := range stringSlice {
		if _, value := keys[entry]; !value {
			keys[entry] = true
			list = append(list, entry)
		}
	}
	return list
}

func GetObjects(s Settings) map[int]Object {

	cm := &configmap.ConfigMap{
		ObjectMeta: &meta.ObjectMeta{},
	}

	secret := &secret.Secret{
		ObjectMeta: &meta.ObjectMeta{},
	}

	objs := make(map[int]Object, 2)

	SetObjectMeta(s.GetMeta(), cm.ObjectMeta)
	SetObjectMeta(s.GetMeta(), secret.ObjectMeta)

	// TODO REPLACE BY GET SECRET PARAMETERS & GET CONFIG PARAMETERS
	params := s.GetParameters()

	for _, p := range *params.GetParameters() {
		// TODO check not mountLiteral ??
		if p.Type == parameters.SecretParameter && len(p.Value) > 0 {
			secret.Parameters = append(secret.Parameters, p)
		}
		if p.Type == parameters.ConfigParameter && len(p.Value) > 0 {
			cm.Parameters = append(cm.Parameters, p)
		}
	}

	// TODO IMPROVE
	if len(cm.Parameters) > 0 {
		//	cm.Parameters = cmParameters
		objs[0] = cm
	}

	if len(secret.Parameters) > 0 {
		//	secret.Parameters = secretParameters
		if objs[0] == nil {
			objs[0] = secret

		} else {
			objs[1] = secret
		}
	}

	return objs
}