// Copyright 2018 The Operator-SDK 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
//
//     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 scaffold

import (
	"path/filepath"
	"strings"

	"github.com/operator-framework/operator-sdk/pkg/scaffold/input"
)

// Types is the input needed to generate a pkg/apis/<group>/<version>/<kind>_types.go file
type Types struct {
	input.Input

	// Resource defines the inputs for the new types file
	Resource *Resource
}

func (s *Types) GetInput() (input.Input, error) {
	if s.Path == "" {
		s.Path = filepath.Join(ApisDir,
			strings.ToLower(s.Resource.Group),
			strings.ToLower(s.Resource.Version),
			s.Resource.LowerKind+"_types.go")
	}
	// Error if this file exists.
	s.IfExistsAction = input.Error
	s.TemplateBody = typesTemplate
	return s.Input, nil
}

const typesTemplate = `package {{ .Resource.Version }}

import (
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

// EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
// NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.

// {{.Resource.Kind}}Spec defines the desired state of {{.Resource.Kind}}
// +k8s:openapi-gen=true
type {{.Resource.Kind}}Spec struct {
	// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
	// Important: Run "operator-sdk generate k8s" to regenerate code after modifying this file
	// Add custom validation using kubebuilder tags: https://book.kubebuilder.io/beyond_basics/generating_crd.html
}

// {{.Resource.Kind}}Status defines the observed state of {{.Resource.Kind}}
// +k8s:openapi-gen=true
type {{.Resource.Kind}}Status struct {
	// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
	// Important: Run "operator-sdk generate k8s" to regenerate code after modifying this file
	// Add custom validation using kubebuilder tags: https://book.kubebuilder.io/beyond_basics/generating_crd.html
}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// {{.Resource.Kind}} is the Schema for the {{ .Resource.Resource }} API
// +k8s:openapi-gen=true
type {{.Resource.Kind}} struct {
	metav1.TypeMeta   ` + "`" + `json:",inline"` + "`" + `
	metav1.ObjectMeta ` + "`" + `json:"metadata,omitempty"` + "`" + `

	Spec   {{.Resource.Kind}}Spec   ` + "`" + `json:"spec,omitempty"` + "`" + `
	Status {{.Resource.Kind}}Status ` + "`" + `json:"status,omitempty"` + "`" + `
}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// {{.Resource.Kind}}List contains a list of {{.Resource.Kind}}
type {{.Resource.Kind}}List struct {
	metav1.TypeMeta ` + "`" + `json:",inline"` + "`" + `
	metav1.ListMeta ` + "`" + `json:"metadata,omitempty"` + "`" + `
	Items           []{{ .Resource.Kind }} ` + "`" + `json:"items"` + "`" + `
}

func init() {
	SchemeBuilder.Register(&{{.Resource.Kind}}{}, &{{.Resource.Kind}}List{})
}
`
