import { normalizeDistanceKm, normalizeDurationSeconds } from '../../../utils/format';
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import { TripStatus } from '../../../constants/trip-status';
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export type RouteDistance = { value: number; unit: 'km' | 'm' };
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export type RoutePoint = {
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latitude: number;
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longitude: number;
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};
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export type VehiclePointMode =
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| 'first'
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| 'last'
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| 'served_last_then_first'
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| 'first_then_served_last';
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export type RouteSnapshot = {
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points: RoutePoint[];
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distance: RouteDistance | null;
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duration: number | null;
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direction: number | null;
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timestamp: number | null;
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routeKey: string;
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vehicleMoveAlongPoints: RoutePoint[];
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forceFullRedraw: boolean;
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eraseVehiclePointMode: VehiclePointMode;
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normalVehiclePointMode: VehiclePointMode;
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};
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// 归一化路线点。
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export function normalizeRoutePoints(rawPoints: any): RoutePoint[] {
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if (!Array.isArray(rawPoints)) {
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return [];
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}
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return rawPoints
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.map((item: any) => ({
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longitude: Number(item?.longitude),
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latitude: Number(item?.latitude),
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}))
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.filter((item: RoutePoint) => Number.isFinite(item.longitude) && Number.isFinite(item.latitude));
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}
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// 归一化方向角到 0-359。
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export function normalizeDirection(rawDirection: any) {
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const direction = Number(rawDirection);
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if (!Number.isFinite(direction)) {
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return null;
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}
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return ((direction % 360) + 360) % 360;
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}
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// 将分享页轮询返回的数据统一为路线快照。
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export function buildShareRouteSnapshot(payload: {
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points: any[];
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servedPoints: any[];
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distance: any;
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duration: any;
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direction: any;
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timestamp?: any;
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routeKey?: any;
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forceFullRedraw?: boolean;
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}): RouteSnapshot {
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const timestamp = Number(payload?.timestamp);
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return {
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points: normalizeRoutePoints(payload?.points),
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distance: normalizeDistanceKm(Number(payload?.distance)),
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duration: normalizeDurationSeconds(Number(payload?.duration)),
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direction: normalizeDirection(payload?.direction),
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timestamp: Number.isFinite(timestamp) ? timestamp : Date.now(),
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routeKey: String(payload?.routeKey || ''),
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vehicleMoveAlongPoints: normalizeRoutePoints(payload?.servedPoints),
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forceFullRedraw: payload?.forceFullRedraw === true,
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eraseVehiclePointMode: 'first_then_served_last',
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normalVehiclePointMode: 'served_last_then_first',
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};
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}
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// 判断当前状态是否属于平滑补帧态。
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export function isSmoothMotionTripStatus(tripStatus: TripStatus | number) {
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return tripStatus === TripStatus.VehicleApproaching || tripStatus === TripStatus.InService;
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}
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