2 files changed, 102 insertions, 1 deletions
diff --git a/src/frontend/app/api/planner.ts b/src/frontend/app/api/planner.ts
new file mode 100644
index 0000000..86f44f0
--- /dev/null
+++ b/src/frontend/app/api/planner.ts
@@ -0,0 +1,34 @@
+import { RoutePlanSchema, type RoutePlan } from "./schema";
+
+export const fetchPlan = async (
+  fromLat: number,
+  fromLon: number,
+  toLat: number,
+  toLon: number,
+  time?: Date,
+  arriveBy: boolean = false
+): Promise<RoutePlan> => {
+  let url = `/api/planner/plan?fromLat=${fromLat}&fromLon=${fromLon}&toLat=${toLat}&toLon=${toLon}&arriveBy=${arriveBy}`;
+  if (time) {
+    url += `&time=${time.toISOString()}`;
+  }
+
+  const resp = await fetch(url, {
+    headers: {
+      Accept: "application/json",
+    },
+  });
+
+  if (!resp.ok) {
+    throw new Error(`HTTP ${resp.status}: ${resp.statusText}`);
+  }
+
+  const data = await resp.json();
+  try {
+    return RoutePlanSchema.parse(data);
+  } catch (e) {
+    console.error("Zod parsing failed for route plan:", e);
+    console.log("Received data:", data);
+    throw e;
+  }
+};
diff --git a/src/frontend/app/api/schema.ts b/src/frontend/app/api/schema.ts
index 9cc5bd4..05f3a87 100644
--- a/src/frontend/app/api/schema.ts
+++ b/src/frontend/app/api/schema.ts
@@ -8,7 +8,7 @@ export const RouteInfoSchema = z.object({
 
 export const HeadsignInfoSchema = z.object({
   badge: z.string().optional().nullable(),
-  destination: z.string(),
+  destination: z.string().nullable(),
   marquee: z.string().optional().nullable(),
 });
 
@@ -108,3 +108,70 @@ export const ConsolidatedCirculationSchema = z.object({
 export type ConsolidatedCirculation = z.infer<
   typeof ConsolidatedCirculationSchema
 >;
+
+// Route Planner
+export const PlannerPlaceSchema = z.object({
+  name: z.string().optional().nullable(),
+  lat: z.number(),
+  lon: z.number(),
+  stopId: z.string().optional().nullable(),
+  stopCode: z.string().optional().nullable(),
+});
+
+export const PlannerGeometrySchema = z.object({
+  type: z.string(),
+  coordinates: z.array(z.array(z.number())),
+});
+
+export const PlannerStepSchema = z.object({
+  distanceMeters: z.number(),
+  relativeDirection: z.string().optional().nullable(),
+  absoluteDirection: z.string().optional().nullable(),
+  streetName: z.string().optional().nullable(),
+  lat: z.number(),
+  lon: z.number(),
+});
+
+export const PlannerLegSchema = z.object({
+  mode: z.string().optional().nullable(),
+  routeName: z.string().optional().nullable(),
+  routeShortName: z.string().optional().nullable(),
+  routeLongName: z.string().optional().nullable(),
+  routeColor: z.string().optional().nullable(),
+  routeTextColor: z.string().optional().nullable(),
+  headsign: z.string().optional().nullable(),
+  agencyName: z.string().optional().nullable(),
+  from: PlannerPlaceSchema.optional().nullable(),
+  to: PlannerPlaceSchema.optional().nullable(),
+  startTime: z.string(),
+  endTime: z.string(),
+  distanceMeters: z.number(),
+  geometry: PlannerGeometrySchema.optional().nullable(),
+  steps: z.array(PlannerStepSchema),
+  intermediateStops: z.array(PlannerPlaceSchema),
+});
+
+export const ItinerarySchema = z.object({
+  durationSeconds: z.number(),
+  startTime: z.string(),
+  endTime: z.string(),
+  walkDistanceMeters: z.number(),
+  walkTimeSeconds: z.number(),
+  transitTimeSeconds: z.number(),
+  waitingTimeSeconds: z.number(),
+  legs: z.array(PlannerLegSchema),
+  cashFareEuro: z.number().optional().nullable(),
+  cardFareEuro: z.number().optional().nullable(),
+});
+
+export const RoutePlanSchema = z.object({
+  itineraries: z.array(ItinerarySchema),
+  timeOffsetSeconds: z.number().optional().nullable(),
+});
+
+export type PlannerPlace = z.infer<typeof PlannerPlaceSchema>;
+export type PlannerGeometry = z.infer<typeof PlannerGeometrySchema>;
+export type PlannerStep = z.infer<typeof PlannerStepSchema>;
+export type PlannerLeg = z.infer<typeof PlannerLegSchema>;
+export type Itinerary = z.infer<typeof ItinerarySchema>;
+export type RoutePlan = z.infer<typeof RoutePlanSchema>;