import type { LngLat } from "maplibre-gl";

class RoutePlanner {
  fromPlace: LngLat;
  toPlace: LngLat;
  date: Date;

  arriveBy = false;
  routerId = "default";
  optimize: OptimizeType = "QUICK";
  walkSpeed = 1.1112;
  walkReluctance = 10;
  locale: string = "fr";
  mode: Set<PlannerModes> = new Set(["WALK"]);
  otpUrl = new URL("https://data.mobilites-m.fr/api/routers/default/plan");

  showIntermediateStops?: boolean;
  minTransferTime?: number;
  transferPenalty?: number;
  numItineraries?: number;
  walkBoardCost?: number;
  bannedAgencies?: string;

  constructor(from: LngLat, to: LngLat) {
    this.fromPlace = from;
    this.toPlace = to;
    this.date = new Date();
  }

  toURLSearchParams() {
    const params: PlannerResource = {
      fromPlace: `${this.fromPlace.lng},${this.fromPlace.lat}`,
      toPlace: `${this.toPlace.lng},${this.toPlace.lat}`,
      arriveBy: this.arriveBy.toString(),
      date: this.date.toISOString().substring(0, 10),
      time: this.date.toISOString().substring(11, 16),
      routerId: this.routerId,
      optimize: this.optimize,
      walkSpeed: this.walkSpeed.toString(),
      walkReluctance: this.walkReluctance.toString(),
      locale: this.locale,
      mode: Array.from(this.mode.values()).join(","),
    };
    if (this.showIntermediateStops) {
      params["showIntermediateStops"] = this.showIntermediateStops.toString();
    }
    if (this.minTransferTime) {
      params["minTransferTime"] = this.minTransferTime.toString();
    }
    if (this.transferPenalty) {
      params["transferPenalty"] = this.transferPenalty.toString();
    }
    if (this.numItineraries) {
      params["numItineraries"] = this.numItineraries.toString();
    }
    if (this.walkBoardCost) {
      params["walkBoardCost"] = this.walkBoardCost.toString();
    }
    if (this.bannedAgencies) {
      params["bannedAgencies"] = this.bannedAgencies.toString();
    }
    return new URLSearchParams(params);
  }

  async request() {
    this.otpUrl.search = this.toURLSearchParams().toString();
    return await $fetch<OTPPlanOutput>(this.otpUrl.toString());
  }
}

class TransitRoutePlanner extends RoutePlanner {
  override mode = new Set<PlannerModes>(["WALK", "TRANSIT"]);
  override showIntermediateStops = true;
  override minTransferTime = 60;
  override transferPenalty = 60;
  override numItineraries = 2;
  override walkBoardCost = 300;
  override bannedAgencies = "MCO:MCO";
}

export { RoutePlanner, TransitRoutePlanner };