package models

// TelemetryBatch is the payload of POST /back/telemetry. The client lives in
// the telemetry/ module; keep both definitions in sync.
type TelemetryBatch struct {
	Service              string            `json:"service"`
	Instance             string            `json:"instance"`
	Version              string            `json:"version"`
	StartedAt            int64             `json:"startedAt"`
	HeartbeatIntervalSec int               `json:"heartbeatIntervalSec"`
	Status               string            `json:"status"`
	StatusMessage        string            `json:"statusMessage"`
	Meta                 map[string]any    `json:"meta"`
	Metrics              []TelemetryMetric `json:"metrics"`
	Events               []TelemetryEvent  `json:"events"`
}

// TelemetryMetric is one sample. Type "counter" carries a delta since the last
// push, "gauge" the current value, "summary" client-side pre-aggregated
// Count/Sum/Min/Max. Ts is unix seconds or milliseconds, optional.
type TelemetryMetric struct {
	Name   string            `json:"name"`
	Type   string            `json:"type"`
	Help   string            `json:"help"`
	Value  float64           `json:"value"`
	Count  int64             `json:"count"`
	Sum    float64           `json:"sum"`
	Min    float64           `json:"min"`
	Max    float64           `json:"max"`
	Labels map[string]string `json:"labels"`
	Ts     int64             `json:"ts"`
}

type TelemetryEvent struct {
	Level   string         `json:"level"`
	Message string         `json:"message"`
	Ts      int64          `json:"ts"`
	Fields  map[string]any `json:"fields"`
}