import * as path from "node:path";
import { fileURLToPath } from "node:url";
import { ConfigurationAbstract } from "../general/ConfigurationAbstract.js";

export class Configuration extends ConfigurationAbstract {
  geoJsonFile: string;
  environmentId: string;
  aircraft: string;
  livery: string;
  numberOfMissions: number;
  callsign: string;
  icaoCode: string;
  directoryMode: boolean;
  noGuides: boolean;
  isColdAndDark: boolean;
  canTransfer: boolean;
  withApproaches: boolean;
  doNotGeneratePois: boolean;

  constructor(args: string[]) {
    super();

    this._arguments = [
      {
        name: "GEOJSON_FILE",
        description: "GeoJSON file containing possible mission locations.",
      },
      { name: "AFS_AIRCRAFT_CODE", description: "Internal aircraft code in Aerofly FS 4.", default: "ec135" },
      { name: "AFS_LIVERY_CODE", description: "Internal livery code in Aerofly FS 4", default: "adac" },
    ];

    this._options = {
      "metar-icao": {
        type: "string",
        short: "m",
        default: "",
        description: "Use this ICAO station code to find weather reports",
        example: "EHAM",
      },
      missions: {
        type: "string",
        default: "10",
        description: "Number of missions in file.",
      },
      callsign: {
        type: "string",
        default: "MEDEVAC",
        description: "Optional callsign, else default callsign will be used.",
      },
      "no-guides": {
        type: "boolean",
        default: false,
        description: "Try to remove virtual guides from missions.",
      },
      "cold-dark": {
        type: "boolean",
        short: "c",
        default: false,
        description: "Start cold & dark.",
      },
      transfer: {
        type: "boolean",
        short: "t",
        default: false,
        description: "Mission types can also be transfers.",
      },
      approach: {
        type: "boolean",
        short: "a",
        default: false,
        description: "Add approach guides to flight plan.",
      },
      "no-poi": {
        type: "boolean",
        short: "p",
        default: false,
        description: "Do not generate POI files.",
      },
      directory: {
        type: "boolean",
        short: "d",
        default: false,
        description: "Create files in another directory instead of current directory.",
      },
      help: {
        type: "boolean",
        short: "h",
        default: false,
        description: "Will output the help.",
      },
    };

    const { values, positionals } = this.parseArgs(args);

    this.geoJsonFile =
      positionals[0] ??
      path.join(path.dirname(fileURLToPath(import.meta.url)), "../../../src/data/hems/san_francisco.geojson");
    if (!path.isAbsolute(this.geoJsonFile)) {
      this.geoJsonFile = path.join(process.cwd(), this.geoJsonFile);
    }

    /**
     * @type {string} an identifier for the environment
     */
    this.environmentId = path
      .basename(this.geoJsonFile, path.extname(this.geoJsonFile))
      .toLowerCase()
      .replace(/[^a-z0-9_]/, "_");

    /**
     * @type {string} as in Aerofly Aircraft Codes
     */
    this.aircraft = (positionals[1] ?? "ec135").toLowerCase().replace(/[^a-z0-9]/, "");

    /**
     * @type {string} as in Aerofly Aircraft Codes
     */
    this.livery = (positionals[2] ?? (this.aircraft === "ec135" ? "adac" : "")).toLowerCase().replace(/[^a-z0-9]/, "");

    this.numberOfMissions = Number(values["missions"]);
    this.callsign = String(values["callsign"] ?? "")
      .toUpperCase()
      .replace(/[^A-Z0-9]/, "");

    /**
     * @type {string} use this instead of starting point from GeoJSON
     */
    this.icaoCode = String(values["metar-icao"] ?? "")
      .toUpperCase()
      .replace(/[^A-Z0-9]/, "");

    /**
     * @type {boolean} if files should be created in subfolder
     */
    this.directoryMode = Boolean(values["directory"]);

    /**
     * @type {boolean} if guides should be removed from missions
     */
    this.noGuides = Boolean(values["no-guides"]);

    /**
     * @type {boolean} aircraft starts cold & dark
     */
    this.isColdAndDark = Boolean(values["cold-dark"]);

    /**
     * @type {boolean} missions types can also be "transfer"
     */
    this.canTransfer = Boolean(values["transfer"]);

    /**
     * @type {boolean} Add approach guides to flight plan.
     */
    this.withApproaches = Boolean(values["approach"]);

    /**
     * @type {boolean} Do not generate POI files.
     */
    this.doNotGeneratePois = Boolean(values["no-poi"]);

    this.help = Boolean(values["help"]);
  }
}