/***************** APP *******************/
var app: OlympusApp;

export function setupApp() {
  if (app === undefined) {
    app = new OlympusApp();
    app.start();
  }
}

export function getApp() {
  return app;
}

import { Map } from "./map/map";
import { MissionManager } from "./mission/missionmanager";
import { ShortcutManager } from "./shortcut/shortcutmanager";
import { UnitsManager } from "./unit/unitsmanager";
import { WeaponsManager } from "./weapon/weaponsmanager";
import { ServerManager } from "./server/servermanager";

import {
  BLUE_COMMANDER,
  DEFAULT_CONTEXT,
  GAME_MASTER,
  RED_COMMANDER,
} from "./constants/constants";
import { aircraftDatabase } from "./unit/databases/aircraftdatabase";
import { helicopterDatabase } from "./unit/databases/helicopterdatabase";
import { groundUnitDatabase } from "./unit/databases/groundunitdatabase";
import { navyUnitDatabase } from "./unit/databases/navyunitdatabase";
import { Coalition, Context } from "./types/types";

export var VERSION = "{{OLYMPUS_VERSION_NUMBER}}";
export var IP = window.location.toString();
export var connectedToServer = true; // Temporary

export class OlympusApp {
  /* Global data */
  #activeCoalition: Coalition = "blue";
  #latestVersion: string | undefined = undefined;
  #config: any = {};

  /* Main leaflet map, extended by custom methods */
  #map: Map | null = null;

  /* Managers */
  #missionManager: MissionManager | null = null;
  #serverManager: ServerManager | null = null;
  #shortcutManager: ShortcutManager | null = null;
  #unitsManager: UnitsManager | null = null;
  #weaponsManager: WeaponsManager | null = null;
  //#pluginsManager: // TODO

  /* Current context */
  #context: Context = DEFAULT_CONTEXT;

  constructor() {}

  getCurrentContext() {
    return this.#context;
  }

  getMap() {
    return this.#map as Map;
  }

  getServerManager() {
    return this.#serverManager as ServerManager;
  }

  getShortcutManager() {
    return this.#shortcutManager as ShortcutManager;
  }

  getUnitsManager() {
    return this.#unitsManager as UnitsManager;
  }

  getWeaponsManager() {
    return this.#weaponsManager as WeaponsManager;
  }

  getMissionManager() {
    return this.#missionManager as MissionManager;
  }

  /* TODO
    getPluginsManager() {
        return null //  this.#pluginsManager as PluginsManager;
    }
    */

  /** Set the active coalition, i.e. the currently controlled coalition. A game master can change the active coalition, while a commander is bound to his/her coalition
   *
   * @param newActiveCoalition
   */
  setActiveCoalition(newActiveCoalition: Coalition) {
    if (
      this.getMissionManager().getCommandModeOptions().commandMode ==
      GAME_MASTER
    ) {
      this.#activeCoalition = newActiveCoalition;
      document.dispatchEvent(new CustomEvent("activeCoalitionChanged"));
    }
  }

  /**
   *
   * @returns The active coalition
   */
  getActiveCoalition(): Coalition {
    if (
      this.getMissionManager().getCommandModeOptions().commandMode ==
      GAME_MASTER
    )
      return this.#activeCoalition;
    else {
      if (
        this.getMissionManager().getCommandModeOptions().commandMode ==
        BLUE_COMMANDER
      )
        return "blue";
      else if (
        this.getMissionManager().getCommandModeOptions().commandMode ==
        RED_COMMANDER
      )
        return "red";
      else return "neutral";
    }
  }

  /**
   *
   * @returns The aircraft database
   */
  getAircraftDatabase() {
    return aircraftDatabase;
  }

  /**
   *
   * @returns The helicopter database
   */
  getHelicopterDatabase() {
    return helicopterDatabase;
  }

  /**
   *
   * @returns The ground unit database
   */
  getGroundUnitDatabase() {
    return groundUnitDatabase;
  }

  /**
   *
   * @returns The navy unit database
   */
  getNavyUnitDatabase() {
    return navyUnitDatabase;
  }

  start() {
    /* Initialize base functionalitites */
    this.#map = new Map("map-container");

    this.#missionManager = new MissionManager();
    this.#serverManager = new ServerManager();
    this.#shortcutManager = new ShortcutManager();
    this.#unitsManager = new UnitsManager();
    this.#weaponsManager = new WeaponsManager();

    /* Set the address of the server */
    this.getServerManager().setAddress(
      window.location.href.split("?")[0].replace("vite/", "")
    );

    /* Setup all global events */
    this.#setupEvents();

    /* Check if we are running the latest version */
    const request = new Request(
      "https://raw.githubusercontent.com/Pax1601/DCSOlympus/main/version.json"
    );
    fetch(request)
      .then((response) => {
        if (response.status === 200) {
          return response.json();
        } else {
          throw new Error(
            "Error connecting to Github to retrieve latest version"
          );
        }
      })
      .then((res) => {
        this.#latestVersion = res["version"];
        const latestVersionSpan = document.getElementById(
          "latest-version"
        ) as HTMLElement;
        if (latestVersionSpan) {
          latestVersionSpan.innerHTML = this.#latestVersion ?? "Unknown";
          latestVersionSpan.classList.toggle(
            "new-version",
            this.#latestVersion !== VERSION
          );
        }
      });

    /* Load the config file from the server */
    const configRequest = new Request(
      window.location.href.split("?")[0].replace("/vite", "/") +
        "resources/config"
    );
    fetch(configRequest)
      .then((response) => {
        if (response.status === 200) {
          return response.json();
        } else {
          throw new Error("Error retrieving config file");
        }
      })
      .then((res) => {
        this.#config = res;
        document.dispatchEvent(new CustomEvent("configLoaded"));
      });
  }

  getConfig() {
    return this.#config;
  }

  #setupEvents() {
    /* Reload the page, used to mimic a restart of the app */
    document.addEventListener("reloadPage", () => {
      location.reload();
    });
  }
}