package v1alpha1

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

// SnowIPPoolSpec defines the desired state of SnowIPPool.
type SnowIPPoolSpec struct {
	// IPPools defines a list of ip pool for the DNI.
	Pools []IPPool `json:"pools,omitempty"`
}

// IPPool defines an ip pool with ip range, subnet and gateway.
type IPPool struct {
	// IPStart is the start address of an ip range.
	IPStart string `json:"ipStart"`

	// IPEnd is the end address of an ip range.
	IPEnd string `json:"ipEnd"`

	// Subnet is used to determine whether an ip is within subnet.
	Subnet string `json:"subnet"`

	// Gateway is the gateway of the subnet for routing purpose.
	Gateway string `json:"gateway"`
}

// SnowIPPoolStatus defines the observed state of SnowIPPool.
type SnowIPPoolStatus struct{}

//+kubebuilder:object:root=true
//+kubebuilder:subresource:status

// SnowIPPool is the Schema for the SnowIPPools API.
type SnowIPPool struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	Spec   SnowIPPoolSpec   `json:"spec,omitempty"`
	Status SnowIPPoolStatus `json:"status,omitempty"`
}

// Validate validates the fields in a SnowIPPool object.
func (s *SnowIPPool) Validate() error {
	return validateSnowIPPool(s)
}

// ConvertConfigToConfigGenerateStruct converts a SnowIPPool to SnowIPPoolGenerate object.
func (s *SnowIPPool) ConvertConfigToConfigGenerateStruct() *SnowIPPoolGenerate {
	namespace := defaultEksaNamespace
	if s.Namespace != "" {
		namespace = s.Namespace
	}
	config := &SnowIPPoolGenerate{
		TypeMeta: s.TypeMeta,
		ObjectMeta: ObjectMeta{
			Name:        s.Name,
			Annotations: s.Annotations,
			Namespace:   namespace,
		},
		Spec: s.Spec,
	}

	return config
}

// +kubebuilder:object:generate=false

// SnowIPPoolGenerate is same as SnowIPPool except stripped down for generation of yaml file during generate clusterconfig.
type SnowIPPoolGenerate struct {
	metav1.TypeMeta `json:",inline"`
	ObjectMeta      `json:"metadata,omitempty"`

	Spec SnowIPPoolSpec `json:"spec,omitempty"`
}

//+kubebuilder:object:root=true

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

func init() {
	SchemeBuilder.Register(&SnowIPPool{}, &SnowIPPoolList{})
}