import { BashColors } from "./BashColors.js";

export const asciify = (string: string) => {
  return string
    .replace(/[äåæáàâãöøœóòôõüúùûëéèêïíìîÿýñß]/g, function (s) {
      return s
        .replace(/[äæ]/, "ae")
        .replace(/[åáàâã]/, "a")
        .replace(/[öøœ]/, "oe")
        .replace(/[óòôõ]/, "o")
        .replace(/[ü]/, "ue")
        .replace(/[úùû]/, "u")
        .replace(/[ëéèê]/, "e")
        .replace(/[ïíìî]/, "i")
        .replace(/[ÿý]/, "y")
        .replace(/[ñ]/, "n")
        .replace(/[ß]/, "ss");
    })
    .replace(/[ÄÅÆÁÀÂÃÖØŒÓÒÔÕÜÚÙÛËÉÈÊÏÍÌΟÝÑ]/g, function (s) {
      return s
        .replace(/[ÄÆ]/, "AE")
        .replace(/[ÅÁÀÂÃ]/, "A")
        .replace(/[ÖØŒ]/, "OE")
        .replace(/[ÓÒÔÕ]/, "O")
        .replace(/[Ü]/, "UE")
        .replace(/[ÚÙÛ]/, "U")
        .replace(/[ËÉÈÊ]/, "E")
        .replace(/[ÏÍÌÎ]/, "I")
        .replace(/[ŸÝ]/, "Y")
        .replace(/[Ñ]/, "N");
    })
    .replace(/[!?.,'":;]/g, "")
    .replace(/\s/g, "_")
    .replace(/[^a-zA-Z0-9-_]/g, "-")
    .replace(/(-)-+/g, "$1")
    .replace(/(_)_+/g, "$1");
};

export class Arguments {
  source: string;
  target: string;
  garmin: string;
  msfs: string;
  xplane: string;
  gpx: string;
  tmc: string;
  title: string;
  description: string;
  ils: number;
  direction: number;
  help: boolean = false;
  missionOnly: boolean = false;
  geoJson: boolean = false;
  flightplan: boolean = false;
  useColors: number = BashColors.COLOR_BASH;
  skyVector: boolean = true;
  markdown: boolean = false;
  magneticDeclination?: number;

  constructor(process: NodeJS.Process) {
    const args = process.argv.slice(2);
    //const cwd = process.cwd();

    this.source = "./main.mcf";
    this.title = "Custom missions";
    this.description = "";
    this.target = "";
    this.garmin = "";
    this.msfs = "";
    this.xplane = "";
    this.gpx = "";
    this.tmc = "";
    this.direction = -1;
    this.ils = 0;
    this.magneticDeclination = undefined;

    let pointer = "title";
    args.forEach((a) => {
      const match = a.match(/^[-]+([a-z-]+)$/);
      if (match) {
        pointer = match[1].toLowerCase();
        switch (pointer) {
          case "help":
            this.help = true;
            break;
          case "m":
          case "mission-only":
            this.missionOnly = true;
            break;
          case "geo-json":
            this.geoJson = true;
            break;
          case "flightplan":
            this.flightplan = true;
            break;
          case "skyvector":
            this.skyVector = true;
            break;
          case "no-color":
            this.useColors = BashColors.COLOR_NONE;
            break;
          case "markdown":
            this.markdown = true;
            break;
        }
      } else {
        switch (pointer) {
          case "source":
          case "s":
            this.source = a;
            break;
          case "target":
          case "t":
            this.target = a;
            break;
          case "import":
            const fileEnding = a.replace(/^.*(\.[^.]+)$/, "$1");
            switch (fileEnding) {
              case ".pln":
                this.msfs = a;
                break;
              case ".fpl":
                this.garmin = a;
                break;
              case ".fms":
                this.xplane = a;
                break;
              case ".tmc":
                this.tmc = a;
                break;
              case ".gpx":
                this.gpx = a;
                break;
              default:
                throw new Error("Unknown file type: " + fileEnding);
            }
            break;
          case "title":
            this.title = a;
            break;
          case "description":
            this.description = a;
            break;
          case "direction":
          case "d":
            this.direction = Number(a);
            break;
          case "magnetic":
            this.magneticDeclination = Number(a);
            break;
          case "ils":
          case "i":
            this.ils = Number(a);
            break;
        }
      }
    });

    if (!this.target) {
      this.target = "./" + this.getSafeFilename(this.title) + ".tmc";
    }
  }

  protected getSafeFilename(filename: string): string {
    return asciify(filename).substring(0, 32);
  }

  helpText(c: BashColors): string {
    return `\
${c.lightBlue}Usage: nodejs index.js [PARAMETERS...]${c.reset}
  Convert Aerofly FS 4 main.mcf file into a custom_missions_user.tmc file.

Parameters:
${c.lightBlue}  -s, --source      ${c.reset} Location of the main.mcf; defaults to \`${this.source}\`
${c.lightBlue}  -t, --target      ${c.reset} Location of your target file; defaults to \`${this.target}\`
${c.lightBlue}      --title       ${c.reset} Title of your mission; defaults to \`${this.title}\`
${c.lightBlue}      --description ${c.reset} Description of your mission; line breaks allowed; defaults to \`${this.description}\`
${c.lightBlue}  -i, --ils         ${c.reset} ILS frequency like '123.45'; defaults to \`${this.ils}\`
${c.lightBlue}  -d, --direction   ${c.reset} True initial heading of aircraft; defaults to \`${this.direction}\`
${c.lightBlue}      --magnetic    ${c.reset} Magnetic declination used for waypoints; defaults to \`${this.magneticDeclination}\`
${c.lightBlue}      --import      ${c.reset} Location of an optional TMC, FPL, PLN, FMS or GPX file

Switches:
${c.lightBlue}  -m  --mission-only${c.reset} Do not export mission list with a single mission,
${c.lightBlue}                    ${c.reset} but add mission to already existing file
${c.lightBlue}      --flightplan  ${c.reset} Output flightplan
${c.lightBlue}      --skyvector   ${c.reset} Output Sky Vector URL
${c.lightBlue}      --geo-json    ${c.reset} Save GeoJSON file
${c.lightBlue}      --markdown    ${c.reset} Save Markdown file
${c.lightBlue}      --no-color    ${c.reset} Disable colors in output
${c.lightBlue}      --help        ${c.reset} This help

This tool will overwrite the target file without any further warning.
Some information can not be inferred from the main.mcf, and needs to
be added manually.
`;
  }
}