fact

type Alert struct {
	ID      string         `json:"id"`
	Title   string         `json:"title"`
	Message string         `json:"message"`
	Trips   []TripSelector `json:"trips"`
}

type Container struct {
	Schema      string        `json:"$schema,omitempty"`
	Timestamp   time.Time     `json:"timestamp"`
	Alerts      []*Alert      `json:"alerts,omitempty"`
	TripUpdates []*TripUpdate `json:"trip_updates,omitempty"`
}

type StopTimeUpdate struct {
	Sequence  int       `json:"stop_sequence"`
	StopID    string    `json:"stop_id,omitempty"`
	Arrival   time.Time `json:"arrival,omitzero"`
	Departure time.Time `json:"departure,omitzero"`
	Cancelled bool      `json:"cancelled,omitempty"`
	Confirmed bool      `json:"confirmed,omitempty"`
	Platform  string    `json:"platform,omitempty"`
	Track     string    `json:"track,omitempty"`
}

type TripSelector struct {
	TripID        string     `json:"trip_id"`
	GTFSStartDate time2.Date `json:"start_date"`
}

type TripUpdate struct {
	ID string `json:"id"`
	TripSelector
	AgencyID  string            `json:"agency_id,omitempty"`
	Numbers   []string          `json:"numbers,omitempty"`
	StopTimes []*StopTimeUpdate `json:"stop_times,omitempty"`
	Cancelled bool              `json:"cancelled,omitempty"`
	Detour    bool              `json:"detour,omitempty"`
}