// Copyright (c) 2021 MillenniumEarl
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

/* istanbul ignore file */
"use strict";

// Core modules
import { tmpdir } from "os";
import { join } from "path";

// Public modules from npm
import log4js from "log4js";

// Modules from file
import Session from "./classes/session";

// Types declaration
export type TPrefixDict = { [n: number]: string };
type TPrefixKey = "engines" | "statuses" | "tags" | "others";
type TPrefixes = { [key in TPrefixKey]: TPrefixDict };

/**
 * Class containing variables shared between modules.
 */
export default abstract class Shared {
  //#region Fields

  private static _isLogged = false;
  private static _prefixes: TPrefixes = {} as TPrefixes;
  private static _logger: log4js.Logger = log4js.getLogger();
  private static _session = new Session(join(tmpdir(), "f95session.json"));

  //#endregion Fields

  //#region Getters

  /**
   * Indicates whether a user is logged in to the F95Zone platform or not.
   */
  static get isLogged(): boolean {
    return this._isLogged;
  }
  /**
   * List of platform prefixes and tags.
   */
  static get prefixes(): { [s: string]: TPrefixDict } {
    return this._prefixes;
  }
  /**
   * Logger object used to write to both file and console.
   */
  static get logger(): log4js.Logger {
    return this._logger;
  }
  /**
   * Path to the cache used by this module wich contains engines, statuses, tags...
   */
  static get cachePath(): string {
    return join(tmpdir(), "f95cache.json");
  }
  /**
   * Session on the F95Zone platform.
   */
  static get session(): Session {
    return this._session;
  }

  //#endregion Getters

  //#region Setters

  static setPrefixPair(key: TPrefixKey, val: TPrefixDict): void {
    this._prefixes[key] = val;
  }

  static setIsLogged(val: boolean): void {
    this._isLogged = val;
  }

  //#endregion Setters
}