text: import { h, Component } from '/js/web_modules/preact.js';
  import htm from '/js/web_modules/htm.js';
  const html = htm.bind(h);
  
  import { OwncastPlayer } from './components/player.js';
  import SocialIconsList from './components/social-icons-list.js';
  import UsernameForm from './components/chat/username.js';
  import VideoPoster from './components/video-poster.js';
  import Chat from './components/chat/chat.js';
  import Websocket from './utils/websocket.js';
  import { parseSecondsToDurationString, hasTouchScreen, getOrientation } from './utils/helpers.js';
  
  import {
    addNewlines,
    classNames,
    clearLocalStorage,
    debounce,
    generateUsername,
    getLocalStorage,
    pluralize,
    setLocalStorage,
  } from './utils/helpers.js';
  import {
    HEIGHT_SHORT_WIDE,
    KEY_CHAT_DISPLAYED,
    KEY_USERNAME,
    MESSAGE_OFFLINE,
    MESSAGE_ONLINE,
    ORIENTATION_PORTRAIT,
    OWNCAST_LOGO_LOCAL,
    TEMP_IMAGE,
    TIMER_DISABLE_CHAT_AFTER_OFFLINE,
    TIMER_STATUS_UPDATE,
    TIMER_STREAM_DURATION_COUNTER,
    URL_CONFIG,
    URL_OWNCAST,
    URL_STATUS,
    WIDTH_SINGLE_COL,
  } from './utils/constants.js';
  
  export default class App extends Component {
    constructor(props, context) {
      super(props, context);
  
      const chatStorage = getLocalStorage(KEY_CHAT_DISPLAYED);
      this.hasTouchScreen = hasTouchScreen();
  
      this.state = {
        websocket: new Websocket(),
        displayChat: chatStorage === null ? true : chatStorage,
        chatInputEnabled: false, // chat input box state
        username: getLocalStorage(KEY_USERNAME) || generateUsername(),
        touchKeyboardActive: false,
  
        configData: {},
        extraPageContent: '',
  
        playerActive: false, // player object is active
        streamOnline: false, // stream is active/online
        isPlaying: false, // player is actively playing video
  
        // status
        streamStatusMessage: MESSAGE_OFFLINE,
        viewerCount: '',
  
        // dom
        windowWidth: window.innerWidth,
        windowHeight: window.innerHeight,
        orientation: getOrientation(this.hasTouchScreen),
      };
  
      // timers
      this.playerRestartTimer = null;
      this.offlineTimer = null;
      this.statusTimer = null;
      this.disableChatTimer = null;
      this.streamDurationTimer = null;
  
      // misc dom events
      this.handleChatPanelToggle = this.handleChatPanelToggle.bind(this);
      this.handleUsernameChange = this.handleUsernameChange.bind(this);
      this.handleFormFocus = this.handleFormFocus.bind(this);
      this.handleFormBlur = this.handleFormBlur.bind(this);
      this.handleWindowResize = debounce(this.handleWindowResize.bind(this), 250);
  
      this.handleOfflineMode = this.handleOfflineMode.bind(this);
      this.handleOnlineMode = this.handleOnlineMode.bind(this);
      this.disableChatInput = this.disableChatInput.bind(this);
      this.setCurrentStreamDuration = this.setCurrentStreamDuration.bind(this);
  
      // player events
      this.handlePlayerReady = this.handlePlayerReady.bind(this);
      this.handlePlayerPlaying = this.handlePlayerPlaying.bind(this);
      this.handlePlayerEnded = this.handlePlayerEnded.bind(this);
      this.handlePlayerError = this.handlePlayerError.bind(this);
  
      // fetch events
      this.getConfig = this.getConfig.bind(this);
      this.getStreamStatus = this.getStreamStatus.bind(this);
    }
  
    componentDidMount() {
      this.getConfig();
      window.addEventListener('resize', this.handleWindowResize);
      if (this.hasTouchScreen) {
        window.addEventListener('orientationchange', this.handleWindowResize);
      }
      this.player = new OwncastPlayer();
      this.player.setupPlayerCallbacks({
        onReady: this.handlePlayerReady,
        onPlaying: this.handlePlayerPlaying,
        onEnded: this.handlePlayerEnded,
        onError: this.handlePlayerError,
      });
      this.player.init();
    }
  
    componentWillUnmount() {
      // clear all the timers
      clearInterval(this.playerRestartTimer);
      clearInterval(this.offlineTimer);
      clearInterval(this.statusTimer);
      clearTimeout(this.disableChatTimer);
      clearInterval(this.streamDurationTimer);
      window.removeEventListener('resize', this.handleWindowResize);
      if (this.hasTouchScreen) {
        window.removeEventListener('orientationchange', this.handleWindowResize);
      }
    }
  
    // fetch /config data
    getConfig() {
      fetch(URL_CONFIG)
        .then((response) => {
          if (!response.ok) {
            throw new Error(`Network response was not ok ${response.ok}`);
          }
          return response.json();
        })
        .then((json) => {
          this.setConfigData(json);
        })
        .catch((error) => {
          this.handleNetworkingError(`Fetch config: ${error}`);
        });
    }
  
    // fetch stream status
    getStreamStatus() {
      fetch(URL_STATUS)
        .then((response) => {
          if (!response.ok) {
            throw new Error(`Network response was not ok ${response.ok}`);
          }
          return response.json();
        })
        .then((json) => {
          this.updateStreamStatus(json);
        })
        .catch((error) => {
          this.handleOfflineMode();
          this.handleNetworkingError(`Stream status: ${error}`);
        });
    }
  
    setConfigData(data = {}) {
      const { title, summary } = data;
      window.document.title = title;
  
      this.setState({
        configData: {
          ...data,
          summary: summary && addNewlines(summary),
        },
      });
    }
  
    // handle UI things from stream status result
    updateStreamStatus(status = {}) {
      const { streamOnline: curStreamOnline } = this.state;
  
      if (!status) {
        return;
      }
      const {
        viewerCount,
        online,
        lastConnectTime,
      } = status;
  
      this.lastDisconnectTime = status.lastDisconnectTime;
  
      if (status.online && !curStreamOnline) {
        // stream has just come online.
        this.handleOnlineMode();
      } else if (!status.online && curStreamOnline) {
        // stream has just flipped offline.
        this.handleOfflineMode();
      }
  
      this.setState({
        viewerCount,
        lastConnectTime,
        streamOnline: online,
      });
    }
  
    // when videojs player is ready, start polling for stream
    handlePlayerReady() {
      this.getStreamStatus();
      this.statusTimer = setInterval(this.getStreamStatus, TIMER_STATUS_UPDATE);
    }
  
    handlePlayerPlaying() {
      this.setState({
        isPlaying: true,
      });
    }
  
    // likely called some time after stream status has gone offline.
    // basically hide video and show underlying "poster"
    handlePlayerEnded() {
      this.setState({
        playerActive: false,
        isPlaying: false,
      });
    }
  
    handlePlayerError() {
      // do something?
      this.handleOfflineMode();
      this.handlePlayerEnded();
    }
  
    // stop status timer and disable chat after some time.
    handleOfflineMode() {
      clearInterval(this.streamDurationTimer);
      const remainingChatTime =
        TIMER_DISABLE_CHAT_AFTER_OFFLINE -
        (Date.now() - new Date(this.lastDisconnectTime));
      const countdown = remainingChatTime < 0 ? 0 : remainingChatTime;
      this.disableChatTimer = setTimeout(this.disableChatInput, countdown);
      this.setState({
        streamOnline: false,
        streamStatusMessage: MESSAGE_OFFLINE,
      });
  
      if (this.player.vjsPlayer && this.player.vjsPlayer.paused()) {
        this.handlePlayerEnded();
      }
    }
  
    // play video!
    handleOnlineMode() {
      this.player.startPlayer();
      clearTimeout(this.disableChatTimer);
      this.disableChatTimer = null;
  
      this.streamDurationTimer = setInterval(
        this.setCurrentStreamDuration,
        TIMER_STREAM_DURATION_COUNTER
      );
  
      this.setState({
        playerActive: true,
        streamOnline: true,
        chatInputEnabled: true,
        streamStatusMessage: MESSAGE_ONLINE,
      });
    }
  
    setCurrentStreamDuration() {
      let streamDurationString = '';
      if (this.state.lastConnectTime) {
        const diff = (Date.now() - Date.parse(this.state.lastConnectTime)) / 1000;
        streamDurationString = parseSecondsToDurationString(diff);
      }
      this.setState({
        streamStatusMessage: `${MESSAGE_ONLINE} ${streamDurationString}`,
      });
  
    }
  
    handleUsernameChange(newName) {
      this.setState({
        username: newName,
      });
    }
  
    handleFormFocus() {
      if (this.hasTouchScreen) {
        this.setState({
          touchKeyboardActive: true,
        });
      }
    }
  
    handleFormBlur() {
      if (this.hasTouchScreen) {
        this.setState({
          touchKeyboardActive: false,
        });
      }
    }
  
    handleChatPanelToggle() {
      const { displayChat: curDisplayed } = this.state;
  
      const displayChat = !curDisplayed;
      if (displayChat) {
        setLocalStorage(KEY_CHAT_DISPLAYED, displayChat);
      } else {
        clearLocalStorage(KEY_CHAT_DISPLAYED);
      }
      this.setState({
        displayChat,
      });
    }
  
    disableChatInput() {
      this.setState({
        chatInputEnabled: false,
      });
    }
  
    handleNetworkingError(error) {
      console.log(`>>> App Error: ${error}`);
    }
  
    handleWindowResize() {
      this.setState({
        windowWidth: window.innerWidth,
        windowHeight: window.innerHeight,
        orientation: getOrientation(this.hasTouchScreen),
      });
    }
  
    render(props, state) {
      const {
        chatInputEnabled,
        configData,
        displayChat,
        isPlaying,
        orientation,
        playerActive,
        streamOnline,
        streamStatusMessage,
        touchKeyboardActive,
        username,
        viewerCount,
        websocket,
        windowHeight,
        windowWidth,
      } = state;
  
  
      const {
        version: appVersion,
        logo = TEMP_IMAGE,
        socialHandles = [],
        name: streamerName,
        summary,
        tags = [],
        title,
        extraPageContent,
      } = configData;
  
      const bgUserLogo = { backgroundImage: `url(${logo})` };
  
      const tagList = (tags !== null && tags.length > 0)
        ? tags.map(
            (tag, index) => html`
              <li
                key="tag${index}"
                class="tag rounded-sm text-gray-100 bg-gray-700 text-xs uppercase mr-3 p-2 whitespace-no-wrap"
              >
                ${tag}
              </li>
            `
          )
        : null;
  
      const mainClass = playerActive ? 'online' : '';
      const streamInfoClass = streamOnline ? 'online' : ''; // need?
      const isPortrait = this.hasTouchScreen && orientation === ORIENTATION_PORTRAIT;
      const shortHeight = windowHeight <= HEIGHT_SHORT_WIDE && !isPortrait;
      const singleColMode = windowWidth <= WIDTH_SINGLE_COL && !shortHeight;
  
      const extraAppClasses = classNames({
        chat: displayChat,
        'no-chat': !displayChat,
        'single-col': singleColMode,
        'bg-gray-800': singleColMode && displayChat,
        'short-wide': shortHeight && windowWidth > WIDTH_SINGLE_COL,
        'touch-screen': this.hasTouchScreen,
        'touch-keyboard-active': touchKeyboardActive,
      });
  
      const poster = isPlaying ? null : html`
        <${VideoPoster} offlineImage=${logo} active=${streamOnline} />
      `;
  
      return html`
        <div
          id="app-container"
          class="flex w-full flex-col justify-start relative ${extraAppClasses}"
        >
          <div id="top-content" class="z-50">
            <header
              class="flex border-b border-gray-900 border-solid shadow-md fixed z-10 w-full top-0	left-0 flex flex-row justify-between flex-no-wrap"
            >
              <h1
                class="flex flex-row items-center justify-start p-2 uppercase text-gray-400 text-xl	font-thin tracking-wider overflow-hidden whitespace-no-wrap"
              >
                <span
                  id="logo-container"
                  class="inline-block	rounded-full bg-white w-8 min-w-8 min-h-8 h-8 mr-2 bg-no-repeat bg-center"
                >
                  <img class="logo visually-hidden" src=${OWNCAST_LOGO_LOCAL} alt="owncast logo" />
                </span>
                <span class="instance-title overflow-hidden truncate"
                  >${title}</span
                >
              </h1>
              <div
                id="user-options-container"
                class="flex flex-row justify-end items-center flex-no-wrap"
              >
                <${UsernameForm}
                  username=${username}
                  onUsernameChange=${this.handleUsernameChange}
                  onFocus=${this.handleFormFocus}
                  onBlur=${this.handleFormBlur}
                />
                <button
                  type="button"
                  id="chat-toggle"
                  onClick=${this.handleChatPanelToggle}
                  class="flex cursor-pointer text-center justify-center items-center min-w-12 h-full bg-gray-800 hover:bg-gray-700"
                >
                  💬
                </button>
              </div>
            </header>
          </div>
  
          <main class=${mainClass}>
            <div
              id="video-container"
              class="flex owncast-video-container bg-black w-full bg-center bg-no-repeat flex flex-col items-center justify-start"
            >
              <video
                class="video-js vjs-big-play-centered display-block w-full h-full"
                id="video"
                preload="auto"
                controls
                playsinline
              ></video>
              ${poster}
            </div>
  
            <section
              id="stream-info"
              aria-label="Stream status"
              class="flex text-center flex-row justify-between font-mono py-2 px-8 bg-gray-900 text-indigo-200 shadow-md border-b border-gray-100 border-solid ${streamInfoClass}"
            >
              <span>${streamStatusMessage}</span>
              <span>${viewerCount} ${pluralize('viewer', viewerCount)}.</span>
            </section>
          </main>
  
          <section id="user-content" aria-label="User information" class="p-8">
            <div class="user-content flex flex-row p-8">
              <div
                class="user-image rounded-full bg-white p-4 mr-8 bg-no-repeat bg-center"
                style=${bgUserLogo}
              >
                <img class="logo visually-hidden" alt="" src=${logo} />
              </div>
              <div
                class="user-content-header border-b border-gray-500 border-solid"
              >
                <h2 class="font-semibold text-5xl">
                  <span class="streamer-name text-indigo-600"
                    >${streamerName}</span
                  >
                </h2>
                <${SocialIconsList} handles=${socialHandles} />
                <div
                  id="stream-summary"
                  class="stream-summary my-4"
                  dangerouslySetInnerHTML=${{ __html: summary }}
                ></div>
                <ul id="tag-list" class="tag-list flex flex-row my-4">
                  ${tagList}
                </ul>
              </div>
            </div>
            <div
              id="extra-user-content"
              class="extra-user-content px-8"
              dangerouslySetInnerHTML=${{ __html: extraPageContent }}
            ></div>
          </section>
  
          <footer class="flex flex-row justify-start p-8 opacity-50 text-xs">
            <span class="mx-1 inline-block">
              <a href="${URL_OWNCAST}" target="_blank">About Owncast</a>
            </span>
            <span class="mx-1 inline-block">Version ${appVersion}</span>
          </footer>
  
          <${Chat}
            websocket=${websocket}
            username=${username}
            chatInputEnabled=${chatInputEnabled}
          />
        </div>
      `;
    }
  }
  
  