v1alpha1

type AppliedResourceMeta struct {
	ResourceIdentifier `json:",inline"`

	// UID is set on successful deletion of the Kubernetes resource by controller. The
	// resource might be still visible on the managed cluster after this field is set.
	// It is not directly settable by a client.
	// +optional
	UID types.UID `json:"uid,omitempty"`
}

type AppliedWork struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// Spec represents the desired configuration of AppliedWork.
	// +kubebuilder:validation:Required
	// +required
	Spec AppliedWorkSpec `json:"spec"`

	// Status represents the current status of AppliedWork.
	// +optional
	Status AppliedtWorkStatus `json:"status,omitempty"`
}

type AppliedWorkList struct {
	metav1.TypeMeta `json:",inline"`
	// Standard list metadata.
	// +optional
	metav1.ListMeta `json:"metadata,omitempty"`
	// List of works.
	// +listType=set
	Items []AppliedWork `json:"items"`
}

type AppliedWorkSpec struct {
	// WorkName represents the name of the related work on the hub.
	// +kubebuilder:validation:Required
	// +required
	WorkName string `json:"workName"`

	// WorkNamespace represents the namespace of the related work on the hub.
	// +kubebuilder:validation:Required
	// +required
	WorkNamespace string `json:"workNamespace"`
}

type AppliedtWorkStatus struct {
	// AppliedResources represents a list of resources defined within the Work that are applied.
	// Only resources with valid GroupVersionResource, namespace, and name are suitable.
	// An item in this slice is deleted when there is no mapped manifest in Work.Spec or by finalizer.
	// The resource relating to the item will also be removed from managed cluster.
	// The deleted resource may still be present until the finalizers for that resource are finished.
	// However, the resource will not be undeleted, so it can be removed from this list and eventual consistency is preserved.
	// +optional
	AppliedResources []AppliedResourceMeta `json:"appliedResources,omitempty"`
}

type Manifest struct {
	// +kubebuilder:validation:EmbeddedResource
	// +kubebuilder:pruning:PreserveUnknownFields
	runtime.RawExtension `json:",inline"`
}

type ManifestCondition struct {
	// resourceId represents a identity of a resource linking to manifests in spec.
	// +required
	Identifier ResourceIdentifier `json:"identifier,omitempty"`

	// Conditions represents the conditions of this resource on spoke cluster
	// +required
	Conditions []metav1.Condition `json:"conditions"`
}

type ResourceIdentifier struct {
	// Ordinal represents an index in manifests list, so the condition can still be linked
	// to a manifest even thougth manifest cannot be parsed successfully.
	Ordinal int `json:"ordinal"`

	// Group is the group of the resource.
	Group string `json:"group,omitempty"`

	// Version is the version of the resource.
	Version string `json:"version,omitempty"`

	// Kind is the kind of the resource.
	Kind string `json:"kind,omitempty"`

	// Resource is the resource type of the resource
	Resource string `json:"resource,omitempty"`

	// Namespace is the namespace of the resource, the resource is cluster scoped if the value
	// is empty
	Namespace string `json:"namespace,omitempty"`

	// Name is the name of the resource
	Name string `json:"name,omitempty"`
}

type Work struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// spec defines the workload of a work.
	// +optional
	Spec WorkSpec `json:"spec,omitempty"`
	// status defines the status of each applied manifest on the spoke cluster.
	Status WorkStatus `json:"status,omitempty"`
}

type WorkList struct {
	metav1.TypeMeta `json:",inline"`
	// Standard list metadata.
	// +optional
	metav1.ListMeta `json:"metadata,omitempty"`
	// List of works.
	// +listType=set
	Items []Work `json:"items"`
}

type WorkSpec struct {
	// Workload represents the manifest workload to be deployed on spoke cluster
	Workload WorkloadTemplate `json:"workload,omitempty"`
}

type WorkStatus struct {
	// Conditions contains the different condition statuses for this work.
	// Valid condition types are:
	// 1. Applied represents workload in Work is applied successfully on the spoke cluster.
	// 2. Progressing represents workload in Work in the trasitioning from one state to another the on the spoke cluster.
	// 3. Available represents workload in Work exists on the spoke cluster.
	// 4. Degraded represents the current state of workload does not match the desired
	// state for a certain period.
	Conditions []metav1.Condition `json:"conditions"`

	// ManifestConditions represents the conditions of each resource in work deployed on
	// spoke cluster.
	// +optional
	ManifestConditions []ManifestCondition `json:"manifestConditions,omitempty"`
}

type WorkloadTemplate struct {
	// Manifests represents a list of kuberenetes resources to be deployed on the spoke cluster.
	// +optional
	Manifests []Manifest `json:"manifests,omitempty"`
}