/*
Copyright 2022 The Kubernetes 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 api

import (
	log "log/slog"
	"path/filepath"

	"sigs.k8s.io/kubebuilder/v4/pkg/machinery"
)

var _ machinery.Template = &Group{}

// Group scaffolds the file that defines the registration methods for a certain group and version
type Group struct {
	machinery.TemplateMixin
	machinery.MultiGroupMixin
	machinery.BoilerplateMixin
	machinery.ResourceMixin
}

// SetTemplateDefaults implements machinery.Template
func (f *Group) SetTemplateDefaults() error {
	if f.Path == "" {
		if f.MultiGroup && f.Resource.Group != "" {
			f.Path = filepath.Join("api", "%[group]", "%[version]", "groupversion_info.go")
		} else {
			f.Path = filepath.Join("api", "%[version]", "groupversion_info.go")
		}
	}

	f.Path = f.Resource.Replacer().Replace(f.Path)
	log.Info(f.Path)
	f.TemplateBody = groupTemplate

	return nil
}

//nolint:lll
const groupTemplate = `{{ .Boilerplate }}

// Package {{ .Resource.Version }} contains API Schema definitions for the {{ .Resource.Group }} {{ .Resource.Version }} API group.
// +kubebuilder:object:generate=true
{{- if .Resource.API.SSA }}
// +kubebuilder:ac:generate=true
{{- end }}
// +groupName={{ .Resource.QualifiedGroup }}
package {{ .Resource.Version }}

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

var (
	// SchemeGroupVersion is group version used to register these objects.
	// This name is used by applyconfiguration generators (e.g. controller-gen).
	SchemeGroupVersion = schema.GroupVersion{Group: "{{ .Resource.QualifiedGroup }}", Version: "{{ .Resource.Version }}"}

	// GroupVersion is an alias for SchemeGroupVersion, for backward compatibility.
	GroupVersion = SchemeGroupVersion

	// SchemeBuilder is used to add go types to the GroupVersionKind scheme.
	SchemeBuilder = runtime.NewSchemeBuilder(func(scheme *runtime.Scheme) error {
		metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
		return nil
	})

	// AddToScheme adds the types in this group-version to the given scheme.
	AddToScheme = SchemeBuilder.AddToScheme
)
`
