types

type Config struct {
	Type Type

	// NetworkName required to filter only requested network
	NetworkName string

	// Authentication
	CredentialsFile string // Path to service account key (fallback)

	// GCP specific
	GCPProjectID string

	// AWS specific (for future)
	AWSAccountID string

	// Azure specific (for future)
	AzureSubscriptionID string
}

type Metadata struct {
	Provider      Type
	Domain        string // Cloud domain (e.g., googleapis.com, amazonaws.com)
	VPCs          []VPC
	ServiceRanges []ServiceRanges // Cloud provider service IP ranges (e.g., GCP APIs)
}

type PeeredVPC struct {
	Name   string
	Ranges []PeeredVPCRange
}

type PeeredVPCRange struct {
	Zone   string
	Region string
	CIDR   netip.Prefix
}

type Provider interface {
	// GetMetadata returns the cached network metadata for the cluster's cloud environment.
	GetMetadata(ctx context.Context) (*Metadata, error)

	// RefreshMetadata updates cached metadata.
	RefreshMetadata(ctx context.Context) error

	// Type returns the cloud provider type.
	Type() Type

	// Close cleans up resources.
	Close() error
}

type SecondaryRange struct {
	Name string
	CIDR netip.Prefix
	Type string // "pods" or "services"
}

type ServiceRanges struct {
	Region string
	CIRDs  []netip.Prefix
}

type Subnet struct {
	ID              string
	Name            string
	CIDR            netip.Prefix
	Zone            string // AWS specific, GCP does not have zonal subnets
	Region          string
	SecondaryRanges []SecondaryRange // GCP specific
}

type Type string

type VPC struct {
	ID         string
	Name       string
	CIDRs      []netip.Prefix // GCP does not have CIDR on vpc level
	Subnets    []Subnet
	PeeredVPCs []PeeredVPC
}