import { type LonLatPoint } from '../../utils/projection'
import { type GameSessionStatus } from '../core/gameSessionState'

export interface TelemetryState {
  sessionStatus: GameSessionStatus
  sessionStartedAt: number | null
  sessionEndedAt: number | null
  elapsedMs: number
  distanceMeters: number
  currentSpeedKmh: number | null
  averageSpeedKmh: number | null
  distanceToTargetMeters: number | null
  targetControlId: string | null
  targetPoint: LonLatPoint | null
  lastGpsPoint: LonLatPoint | null
  lastGpsAt: number | null
  lastGpsAccuracyMeters: number | null
  heartRateBpm: number | null
  caloriesKcal: number | null
  calorieTrackingAt: number | null
}

export const EMPTY_TELEMETRY_STATE: TelemetryState = {
  sessionStatus: 'idle',
  sessionStartedAt: null,
  sessionEndedAt: null,
  elapsedMs: 0,
  distanceMeters: 0,
  currentSpeedKmh: null,
  averageSpeedKmh: null,
  distanceToTargetMeters: null,
  targetControlId: null,
  targetPoint: null,
  lastGpsPoint: null,
  lastGpsAt: null,
  lastGpsAccuracyMeters: null,
  heartRateBpm: null,
  caloriesKcal: null,
  calorieTrackingAt: null,
}