package meta

import (
	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/clients/generated/apis/k8s/v1alpha1"
	v1 "k8s.io/api/core/v1"
)

// These constants define Condition reasons for K8s Config Connector resources
// https://cloud.google.com/config-connector/docs/how-to/monitoring-your-resources
const (
	// Occurs when a resource's underlying resource is being updated.
	UpdatingReason string = "Updating"

	// Occurs when a resource's reconciliation has succeeded.
	UpToDateReason string = "UpToDate"

	// Occurs when a resource's reconciliation has failed.
	UpdateFailedReason string = "UpdateFailed"

	// Occurs when a referenced resource is not ready.
	DependencyNotReadyReason string = "DependencyNotReady"

	// Occurs when a referenced resource or Kubernetes Secret is not found.
	DependencyNotFoundReason string = "DependencyNotFound"

	// Occurs when a reference is invalid.
	// For example, suppose a resource that references a Kubernetes Secret. If the Secret exists, but if it does not contain the key that is being referenced, then the reference is said to be invalid.
	DependencyInvalidReason string = "DependencyInvalid"

	// Occurs when a resource is being deleted from the Kubernetes API Server.
	DeletingReason string = "Deleting"

	// Occurs when a resource has successfully been deleted from the Kubernetes API Server.
	DeletedReason string = "Deleted"

	// Occurs when a resource has failed to be deleted from the Kubernetes API Server.
	DeleteFailedReason string = "DeleteFailed"

	// Occurs when a resource fails to take ownership of the underlying resource.
	ManagementConflictReason string = "ManagementConflict"

	// Occurs when a resource fails to perform pre-actuation transformations. This event type likely means that the resource configuration is invalid.
	PreActuationTransformFailedReason string = "PreActuationTransformFailed"

	// Occurs when a resource fails to perform post-actuation transformations.
	PostActuationTransformFailedReason string = "PostActuationTransformFailed"
)

// IsReady determines if a GCP resource is Ready.
func IsReady(conditions []v1alpha1.Condition) (bool, string) {
	return IsCondition(conditions, "Ready", v1.ConditionTrue)
}

// IsCondition generically determines if the provided conditions contains
// a condition of the provided type with the provided status
func IsCondition(conditions []v1alpha1.Condition, conditionType string, conditionStatus v1.ConditionStatus) (bool, string) {
	reason := ""
	for _, condition := range conditions {
		if condition.Type == conditionType {
			return condition.Status == conditionStatus, condition.Reason
		}
	}
	return false, reason
}