import { IPlugin } from './plugin/AbstractPlugin';
import Storage from './Storage';
import { NoticeManager } from './NoticeManager';
import PluginRepository from './plugin/PluginRepository';
import Log from './util/Log';
import Options from './Options';
import PresenceController from './PresenceController';
import PageVisibility from './PageVisibility';
import ChatWindowList from './ui/ChatWindowList';
import AccountManager from './AccountManager';
import Translation from '@util/Translation';
import Migration from './Migration';

export default class Client {
   private static storage: Storage;

   private static noticeManager: NoticeManager;

   private static presenceController: PresenceController;

   private static accountManager: AccountManager;

   private static initialized = false;

   private static options: Options;

   public static init(options?): number {
      if (Client.initialized) {
         Log.warn('JSXC was already initialized');

         return;
      }

      Client.initialized = true;

      if (typeof options === 'object' && options !== null) {
         Options.overwriteDefaults(options);
      }

      Translation.initialize();
      PageVisibility.init();

      let storage = Client.getStorage();

      Client.accountManager = new AccountManager(storage);
      Client.presenceController = new PresenceController(storage, () => Client.accountManager.getAccounts());

      Client.watchFileDrag();

      Migration.run(Client.getVersion(), storage);

      return Options.getDefault('automaticallyRestoreAccounts') ? Client.accountManager.restoreAccounts() : 0;
   }

   public static getVersion(): string {
      return __VERSION__;
   }

   public static addPlugin(Plugin: IPlugin) {
      try {
         PluginRepository.add(Plugin);
      } catch (err) {
         Log.warn('Error while adding Plugin: ' + err);
      }
   }

   public static hasTabFocus() {
      let hasFocus = true;

      if (typeof document.hasFocus === 'function') {
         hasFocus = document.hasFocus();
      }

      return hasFocus;
   }

   public static isVisible() {
      return PageVisibility.isVisible();
   }

   public static isExtraSmallDevice(): boolean {
      return $(window).width() < 500;
   }

   public static isDebugMode(): boolean {
      return Client.getStorage().getItem('debug') === true;
   }

   public static getStorage(): Storage {
      if (!Client.storage) {
         Client.storage = new Storage();
      }

      return Client.storage;
   }

   public static getAccountManager(): AccountManager {
      return Client.accountManager;
   }

   public static getNoticeManager(): NoticeManager {
      if (!Client.noticeManager) {
         Client.noticeManager = new NoticeManager(Client.getStorage());
      }

      return Client.noticeManager;
   }

   public static getPresenceController(): PresenceController {
      return Client.presenceController;
   }

   public static getChatWindowList(): ChatWindowList {
      return ChatWindowList.get();
   }

   public static getOptions(): Options {
      if (!Client.options) {
         Client.options = new Options(Client.getStorage());
      }

      return Client.options;
   }

   public static getOption<IOption = any>(key: string, defaultValue?: IOption): IOption {
      let value = Client.getOptions().get(key);

      return <IOption>(typeof value !== 'undefined' ? value : defaultValue);
   }

   public static setOption(key: string, value) {
      Client.getOptions().set(key, value);
   }

   private static watchFileDrag() {
      let enterCounter = 0;

      $(document).on('dragenter', ev => {
         enterCounter++;

         if (enterCounter === 1) {
            $('.jsxc-droppable').addClass('jsxc-dragactive');
         }
      });

      $(document).on('dragleave', ev => {
         enterCounter--;

         if (enterCounter === 0) {
            $('.jsxc-droppable').removeClass('jsxc-dragactive');
         }
      });

      $(document).on('dragover', ev => {
         ev.preventDefault();

         (<any>ev.originalEvent).dataTransfer.dropEffect = 'copy';
      });

      $(document).on('drop', () => {
         enterCounter = 0;

         $('.jsxc-droppable').removeClass('jsxc-dragactive jsxc-dragover');
      });
   }

   public static isTrustedDomain(url: URL): boolean {
      let trustedDomains = Client.getOption<string[]>('trustedDomains', []);

      return (
         trustedDomains.filter(domain => {
            let result = url.hostname === domain;

            if (!result && domain.indexOf('*.') > -1) {
               let wildcardtestdomain = domain.substring(domain.lastIndexOf('*.') + 2);
               result = url.hostname.endsWith(wildcardtestdomain);
            }

            return result;
         }).length > 0
      );
   }
}