import { Test } from "../Cli/Test.js";
import { MsfsPlnExport, MsfsPln, Msfs2024Export } from "../Import/MsfsPln.js";
import * as fs from "node:fs";
import { Mission } from "../Aerofly/Mission.js";
import { MissionCheckpoint } from "../Aerofly/MissionCheckpoint.js";
import { Units } from "../World/Units.js";

export class MsfsPlnTest extends Test {
  constructor(protected process: NodeJS.Process, protected dieOnError = false) {
    super(process, dieOnError);
    this.testEGOV();
    this.testLittleNavMap();
    this.testGarminParse();
    this.testRunway();
  }

  testEGOV() {
    // Parse PLN
    const pln = new MsfsPln(fs.readFileSync("./src/Tests/fixtures/EGOV.pln", "utf8"));
    this.group(MsfsPln.name);
    {
      this.assertEquals(pln.waypoints.length, 16);
      this.assertEquals(pln.waypoints[0].identifier, "EGOV");
      this.assertEquals(pln.waypoints[0].type, "AIRPORT");
      this.assertEquals(pln.waypoints[1].type, "USER WAYPOINT");
      this.assertEquals(pln.waypoints[1].lat, 52.717475);
      this.assertEquals(pln.waypoints[1].elevationMeter, 2500 / Units.feetPerMeter);
      this.assertEqualsRounded(pln.waypoints[1].lon, -4.05834167, 8);
      this.assertEquals(pln.cruisingAltFt, 2500);
      this.assertEquals(pln.departureRunway, undefined);
      this.assertEquals(pln.destinationRunway, undefined);
    }

    // Convert PLN to Mission
    const mission = new Mission("", "").fromGarminFpl(pln);
    this.group(MsfsPln.name + ": Mission conversion");
    {
      this.assertEquals(mission.checkpoints.length, 16);
      this.assertEquals(mission.flight_setting, Mission.FLIGHT_SETTING_TAXI);
      this.assertEqualsRounded(mission.origin_dir, 151.3, 1);
    }

    // Export Mission to XML
    const exportPln = new MsfsPlnExport(mission);
    this.group(MsfsPlnExport.name + ": Mission conversion");
    {
      this.assert(exportPln.toString() !== "", "Not empty flight plan");
    }

    const exportPln2 = new Msfs2024Export(mission);
    this.group(Msfs2024Export.name + ": Mission conversion");
    {
      this.assert(exportPln2.toString() !== "", "Not empty flight plan");
    }

    // Reimport XML to PLN
    const secondPln = new MsfsPln(exportPln.toString());
    this.group(MsfsPln.name);
    {
      this.assertEquals(secondPln.waypoints.length, pln.waypoints.length);
      secondPln.waypoints.forEach((wp, index) => {
        this.assertEquals(wp.identifier, pln.waypoints[index].identifier);
        this.assertEquals(wp.type, pln.waypoints[index].type);
        this.assertEquals(wp.lat, pln.waypoints[index].lat);
        this.assertEquals(wp.lon, pln.waypoints[index].lon);
      });
      this.assertEquals(secondPln.cruisingAltFt, pln.cruisingAltFt);
    }
  }

  testLittleNavMap() {
    this.group(MsfsPln.name + ": Little Nav Map");
    {
      const pln = new MsfsPln(fs.readFileSync("./src/Tests/fixtures/egov-lnavmap.pln", "utf8"));
      this.assertEquals(pln.waypoints.length, 16);
      this.assertEquals(pln.waypoints[0].identifier, "EGOV");
      this.assertEquals(pln.waypoints[0].type, "AIRPORT");
      this.assertEquals(pln.waypoints[1].type, "USER WAYPOINT");
      this.assertEqualsRounded(pln.waypoints[1].elevationMeter ?? 0, 762, 0);
      this.assertEqualsRounded(pln.waypoints[2].elevationMeter ?? 0, 762, 0);
      this.assertEquals(pln.cruisingAltFt, 2500);
    }
  }

  testGarminParse() {
    const pln = new MsfsPln(fs.readFileSync("./src/Tests/fixtures/EFMA-lnavmap.pln", "utf8"));
    this.group(MsfsPln.name + ": Little Nav Map to Mission");
    {
      this.assertEquals(pln.waypoints.length, 11);
      this.assertEquals(pln.waypoints[0].identifier, "EFMA");
      this.assertEquals(pln.waypoints[0].type, "AIRPORT");
      this.assertEquals(pln.waypoints[1].type, "USER WAYPOINT");
      this.assertEquals(pln.waypoints[3].identifier, "RATSO");
      this.assertEquals(pln.waypoints[3].countryCode, "EF");
      this.assertEquals(pln.waypoints[4].type, "VOR");
      this.assertEquals(pln.waypoints[5].type, "NDB");
      this.assertEqualsRounded(pln.waypoints[1].elevationMeter ?? 0, 68.22, 2);
      this.assertEquals(pln.cruisingAltFt, 2500);
    }

    // Convert FMS to Mission
    const mission = new Mission("", "").fromGarminFpl(pln);
    this.group(MsfsPln.name + ": Mission conversion");
    {
      this.assertEquals(mission.checkpoints.length, 11);
      this.assertEquals(mission.flight_setting, Mission.FLIGHT_SETTING_TAXI);
      this.assertEquals(mission.checkpoints[0].type, MissionCheckpoint.TYPE_ORIGIN);
      this.assertEquals(mission.checkpoints[0].icao_region, "EF");
      this.assertEquals(mission.checkpoints[1].type, MissionCheckpoint.TYPE_DEPARTURE_RUNWAY);
      this.assertEquals(mission.checkpoints[9].type, MissionCheckpoint.TYPE_DESTINATION_RUNWAY);
      this.assertEquals(mission.checkpoints[10].type, MissionCheckpoint.TYPE_DESTINATION);
      this.assertEquals(mission.checkpoints[10].icao_region, "EF");
    }

    // Export Mission to XML
    const exportPln = new MsfsPlnExport(mission);
    this.group(MsfsPlnExport.name + ": Mission conversion");
    {
      this.assert(exportPln.toString() !== "", "Not empty flight plan");
    }

    const exportPln2 = new Msfs2024Export(mission);
    this.group(Msfs2024Export.name + ": Mission conversion");
    {
      this.assert(exportPln2.toString() !== "", "Not empty flight plan");
    }
  }

  testRunway() {
    const pln = new MsfsPln(fs.readFileSync("./src/Tests/fixtures/ENHD_local_flight.pln", "utf8"));
    this.group(MsfsPln.name + ": Runway check");
    {
      this.assertEquals(pln.departureRunway, "13");
      this.assertEquals(pln.destinationRunway, "31");

      const mission = new Mission("", "").fromGarminFpl(pln);
      this.assertEquals(mission.checkpoints.length, 9);
    }
  }
}