/*
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 = &Types{}

// Types scaffolds the file that defines the schema for a CRD
//

type Types struct {
	machinery.TemplateMixin
	machinery.MultiGroupMixin
	machinery.BoilerplateMixin
	machinery.ResourceMixin

	Force bool

	// SkipApplyConfig adds the +kubebuilder:ac:generate=false marker so this kind is
	// excluded from ApplyConfiguration generation when another kind in the same
	// group/version has SSA enabled.
	SkipApplyConfig bool
}

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

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

	f.TemplateBody = typesTemplate

	if f.Force {
		f.IfExistsAction = machinery.OverwriteFile
	} else {
		f.IfExistsAction = machinery.Error
	}

	return nil
}

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

package {{ .Resource.Version }}

import (
	"k8s.io/apimachinery/pkg/runtime"
	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 }}
type {{ .Resource.Kind }}Spec struct {
	// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
	// Important: Run "make" to regenerate code after modifying this file
	// The following markers will use OpenAPI v3 schema to validate the value
	// More info: https://book.kubebuilder.io/reference/markers/crd-validation.html

	// foo is an example field of {{ .Resource.Kind }}. Edit {{ lower .Resource.Kind }}_types.go to remove/update
	// +optional	
	Foo *string ` + "`" + `json:"foo,omitempty"` + "`" + `
}

// {{ .Resource.Kind }}Status defines the observed state of {{ .Resource.Kind }}.
type {{ .Resource.Kind }}Status struct {
	// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
	// Important: Run "make" to regenerate code after modifying this file

	// For Kubernetes API conventions, see:
	// https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md#typical-status-properties

	// conditions represent the current state of the {{ .Resource.Kind }} resource.
	// Each condition has a unique type and reflects the status of a specific aspect of the resource.
	//
	// Standard condition types include:
	// - "Available": the resource is fully functional
	// - "Progressing": the resource is being created or updated
	// - "Degraded": the resource failed to reach or maintain its desired state
	//
	// The status of each condition is one of True, False, or Unknown.
	// +listType=map
	// +listMapKey=type
	// +optional
	Conditions []metav1.Condition ` + "`" + `json:"conditions,omitempty"` + "`" + `
}

{{- if .Resource.API.SSA }}
// +genclient
{{- if not .Resource.API.Namespaced }}
// +genclient:nonNamespaced
{{- end }}
{{- else if .SkipApplyConfig }}
// +kubebuilder:ac:generate=false
{{- end }}
// +kubebuilder:object:root=true
// +kubebuilder:subresource:status
{{- if and (not .Resource.API.Namespaced) (or (not .Resource.IsRegularPlural) .Resource.API.SSA) }}
// +kubebuilder:resource:path={{ .Resource.Plural }},scope=Cluster
{{- else if not .Resource.API.Namespaced }}
// +kubebuilder:resource:scope=Cluster
{{- else if not .Resource.IsRegularPlural }}
// +kubebuilder:resource:path={{ .Resource.Plural }}
{{- else if .Resource.API.SSA }}
// +kubebuilder:resource:path={{ .Resource.Plural }}
{{- end }}

// {{ .Resource.Kind }} is the Schema for the {{ .Resource.Plural }} API
type {{ .Resource.Kind }} struct {
	metav1.TypeMeta   ` + "`" + `json:",inline"` + "`" + `

	// metadata is a standard object metadata
	// +optional
	metav1.ObjectMeta ` + "`" + `json:"metadata,omitzero"` + "`" + `

	// spec defines the desired state of {{ .Resource.Kind }}
	// +required
	Spec   {{ .Resource.Kind }}Spec   ` + "`" + `json:"spec"` + "`" + `

	// status defines the observed state of {{ .Resource.Kind }}
	// +optional
	Status {{ .Resource.Kind }}Status ` + "`" + `json:"status,omitzero"` + "`" + `
}

// +kubebuilder:object:root=true

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

func init() {
	SchemeBuilder.Register(func(s *runtime.Scheme) error {
		s.AddKnownTypes(SchemeGroupVersion, &{{ .Resource.Kind }}{}, &{{ .Resource.Kind }}List{})
		return nil
	})
}
`
