package probe

type SyncAction uint8

const (
	// SyncActionReplace indicates a full sync where the provided configs should replace all existing probes for the system.
	SyncActionReplace SyncAction = iota
	// SyncActionUpsert indicates an incremental sync where the provided config should be added or updated.
	SyncActionUpsert
	// SyncActionDelete indicates an incremental sync where the provided config should be removed.
	SyncActionDelete
)

// Config defines a network probe task sent from hub to agent.
type Config struct {
	// ID is the stable network_probes record ID generated by the hub.
	ID       string `cbor:"0,keyasint"`
	Target   string `cbor:"1,keyasint"`
	Protocol string `cbor:"2,keyasint"` // "icmp", "tcp", or "http"
	Port     uint16 `cbor:"3,keyasint,omitempty"`
	Interval uint16 `cbor:"4,keyasint"` // seconds
}

// SyncRequest defines an incremental or full probe sync request sent to the agent.
type SyncRequest struct {
	Action  SyncAction `cbor:"0,keyasint"`
	Config  Config     `cbor:"1,keyasint,omitempty"`
	Configs []Config   `cbor:"2,keyasint,omitempty"`
	RunNow  bool       `cbor:"3,keyasint,omitempty"`
}

// SyncResponse returns the immediate result for an upsert when requested.
type SyncResponse struct {
	Result Result `cbor:"0,keyasint,omitempty"`
}

// Result holds aggregated probe results for a single target.
//
// 0: avg response in ms
//
// 1: average response over the last hour in ms
//
// 2: min response over the last hour in ms
//
// 3: max response over the last hour in ms
//
// 4: packet loss percentage over the last hour (0-100)
type Result []float64

// Get returns the value at the specified index or 0 if the index is out of range.
func (r Result) Get(index int) float64 {
	if index < len(r) {
		return r[index]
	}
	return 0
}