import Debug from './conf/Debug';
import ExtensionMode from '../common/enums/ExtensionMode.enum';
import Settings from './lib/Settings';
import ActionHandler from './lib/ActionHandler';
import Comms from './lib/comms/Comms';
import CommsClient from './lib/comms/CommsClient';
import PageInfo from './lib/video-data/PageInfo';
import Logger, { baseLoggingOptions } from './lib/Logger';
import UWGlobals from './lib/UWGlobals';

export default class UWContent {
  pageInfo: PageInfo;
  comms: CommsClient;
  settings: Settings;
  actionHandler: ActionHandler;
  logger: Logger;

  commsHandlers: {
    [x: string]: ((a: any, b?: any) => void | Promise<void>)[]
  } = {
    'get-current-zoom': [() => this.pageInfo.requestCurrentZoom()],
    'set-ar': [(message) => this.pageInfo.setAr({type: message.arg, ratio: message.customArg}, message.playing)],
    'set-alignment': [(message) => {
      this.pageInfo.setVideoAlignment(message.arg, message.playing);
      this.pageInfo.restoreAr();
    }],
    'set-stretch': [(message) => this.pageInfo.setStretchMode(message.arg, message.playing, message.customArg)],
    'set-keyboard': [(message) => this.pageInfo.setKeyboardShortcutsEnabled(message.arg)],
    'autoar-start': [(message) => {
      if (message.enabled !== false) {
        this.pageInfo.initArDetection(message.playing);
        this.pageInfo.startArDetection(message.playing);
      } else {
        this.pageInfo.stopArDetection(message.playing);
      }
    }],
    'pause-processing': [(message) => this.pageInfo.pauseProcessing(message.playing)],
    'resume-processing': [(message) => this.pageInfo.resumeProcessing(message.autoArStatus, message.playing)],
    'set-zoom': [(message) => this.pageInfo.setZoom(message.arg, true, message.playing)],
    'change-zoom': [(message) => this.pageInfo.zoomStep(message.arg, message.playing)],
    'mark-player': [(message) => this.pageInfo.markPlayer(message.name, message.color)],
    'unmark-player': [() => this.pageInfo.unmarkPlayer()],
    'autoar-set-manual-tick': [(message) => this.pageInfo.setManualTick(message.arg)],
    'autoar-tick': [() => this.pageInfo.tick()],
    'set-ar-persistence': [(message) => this.pageInfo.setArPersistence(message.arg)],
  }

  constructor(){
  }

  reloadSettings() {
    try {
      this.logger.log('info', 'debug', 'Things happened in the popup. Will reload extension settings.');
      this.init();
    } catch (e) {
      console.warn('Ultrawidify: settings reload failed. This probably shouldn\'t outright kill the extension, but page reload is recommended.');
    }
  }

  async init(){
    try {
      if (Debug.debug) {
        console.log("[uw::main] loading configuration ...");
      }

      // logger init is the first thing that needs to run
      try {
        if (!this.logger) {

          this.logger = new Logger();
          await this.logger.init(baseLoggingOptions);

          // show popup if logging to file is enabled
          if (this.logger.isLoggingAllowed() && this.logger.isLoggingToFile()) {
            console.info("[uw::init] Logging is allowed! Initalizing vue and UI!");

            // CommsClient is not initiated yet, so we use static comms to send the command
            Comms.sendMessage({cmd: 'show-logger'});
          }
        }
      } catch (e) {
        console.error("logger init failed!", e)
      }

      // second — let's add some globals
      if (! (window as any).ultrawidify) {
        (window as any).ultrawidify = new UWGlobals();
        ((window as any).ultrawidify as UWGlobals).importSubscriptionsFromCommsHandlers(this.commsHandlers);
      }

      // init() is re-run any time settings change
      if (this.comms) {
        this.comms.destroy();
      }
      if (!this.settings) {
        this.settings = new Settings({
          onSettingsChanged: () => this.reloadSettings(),
          logger: this.logger
        });
        await this.settings.init();
      }

      this.comms = new CommsClient('content-main-port', this.logger, this.commsHandlers);

      // če smo razširitev onemogočili v nastavitvah, ne naredimo ničesar
      // If extension is soft-disabled, don't do shit

      var extensionMode = this.settings.getExtensionMode();

      this.logger.log('info', 'debug', "[uw::init] Extension mode:" + (extensionMode < 0 ? "disabled" : extensionMode == '1' ? 'basic' : 'full'));

      const isSiteDisabled = extensionMode === ExtensionMode.Disabled

      if (isSiteDisabled) {
        if (this.settings.getExtensionMode('@global') === ExtensionMode.Disabled) {
          this.logger.log('info', 'debug', "[uw::init] EXTENSION DISABLED, THEREFORE WONT BE STARTED")
          return;
        }
      }

      try {
        if (this.pageInfo) {
          this.logger.log('info', 'debug', '[uw.js::setup] An instance of pageInfo already exists and will be destroyed.');
          this.pageInfo.destroy();
        }
        this.pageInfo = new PageInfo(this.comms, this.settings, this.logger, extensionMode, isSiteDisabled);
        this.logger.log('info', 'debug', "[uw.js::setup] pageInfo initialized.");

        this.logger.log('info', 'debug', "[uw.js::setup] will try to initate ActionHandler.");

        // start action handler only if extension is enabled for this site
        if (!isSiteDisabled) {
          if (this.actionHandler) {
            this.actionHandler.destroy();
          }
          this.actionHandler = new ActionHandler(this.pageInfo);
          this.actionHandler.init();

          this.logger.log('info', 'debug', "[uw.js::setup] ActionHandler initiated.");
        }

      } catch (e) {
        console.error('Ultrawidify: failed to start extension. Error:', e)
        this.logger.log('error', 'debug', "[uw::init] FAILED TO START EXTENSION. Error:", e);
      }
    } catch (e) {
      console.error('Ultrawidify initalization failed for some reason:', e);
    }
  }
}