import {
  DeesElement,
  html,
  css,
  customElement,
  property,
  query,
} from '@design.estate/dees-element';
import * as rrwebMod from 'rrweb';
import rrwebPlayerMod from 'rrweb-player';

const rrweb: any = rrwebMod;
const rrwebPlayer: typeof rrwebPlayerMod.default = rrwebPlayerMod as any;

/**
 * Use rrweb's eventWithTime if you like strict typing:
 *
 *   import { eventWithTime } from 'rrweb';
 *   export interface IRecordingEvent extends eventWithTime {}
 *
 * Here, for brevity, we define an empty interface
 * and cast all events to any. 
 */
export interface IRecordingEvent {}

@customElement('sio-recorder')
export class SioRecorder extends DeesElement {
  public static demo = () => html`<sio-recorder></sio-recorder>`;

  /**
   * Holds all recorded events from rrweb.
   */
  private events: IRecordingEvent[] = [];

  /**
   * A reference to rrweb's stop recording function.
   * We'll store it when we begin a record session so we can call it later.
   */
  private stopFn: (() => void) | null = null;

  /**
   * Query for the div in our template that will be used for playback.
   */
  @query('#playback')
  private playbackDiv!: HTMLDivElement;

  static styles = css`
    :host {
      display: block;
    }
    /* The playback container: set a fixed size for demonstration. */
    #playback {
      width: 800px;
      height: 600px;
      border: 1px solid #ccc;
      background-color: #fff;
      position: relative;
    }
  `;

  render() {
    return html`
      <div id="playback"></div>
    `;
  }

  /**
   * Lifecycle: Called when the element is inserted into the DOM.
   */
  async connectedCallback(): Promise<void> {
    super.connectedCallback();
    console.log('sio-recorder connectedCallback');

    // Start recording immediately
    this.startRecording();

    // Use the domtools-based approach you have (Ctrl+H):
    const domtools = await this.domtoolsPromise;
    domtools.keyboard
      .on([domtools.keyboard.keyEnum.Ctrl, domtools.keyboard.keyEnum.H])
      .subscribe(this.handleKeydown);
    await this.domtoolsPromise;
    this.domtools.convenience.smartdelay.delayFor(2000).then(() => {
      // this.handleKeydown();
    });
  }

  /**
   * Lifecycle: Called when the element is removed from the DOM.
   */
  public async disconnectedCallback(): Promise<void> {
    super.disconnectedCallback();

    // Stop recording if it's still running
    this.stopRecording();

    // Clean up your subscription or any global listeners if needed
  }

  /**
   * Starts an rrweb recording session that tracks the entire DOM,
   * including canvases and cross-origin iframes (if permissible).
   */
  private startRecording(): void {
    this.events = [];

    // For capturing "everything," enable advanced flags:
    this.stopFn = rrweb.record({
      emit: (event: any) => {
        // If you have a stricter type: 
        //   this.events.push(event as IRecordingEvent);
        // else store as any:
        this.events.push(event);
      },
      // Some recommended settings to capture the "complete" page:
      recordCanvas: true,            // record canvas elements
      recordCrossOriginIframes: true, // attempt capturing cross-origin iframes
      // checkoutEveryNms: 1000,        // check every N milliseconds
    });

    console.log('Recording has started...');
  }

  /**
   * Stops the rrweb recording session
   */
  private stopRecording(): void {
    if (this.stopFn) {
      this.stopFn();
      this.stopFn = null;
      console.log('Recording has stopped.');
    }
  }

  /**
   * Plays back the recorded events in the `playbackDiv`
   */
  private async playRecording(): Promise<void> {
    await this.domtoolsPromise;
    if (!this.playbackDiv) return;
    const replayer =new rrwebPlayer({
      target: this.playbackDiv, // customizable root element
      props: {
        events: this.events as any,
        root: this.playbackDiv,
        showController: false,
        width: this.playbackDiv.offsetWidth,
        height: this.playbackDiv.offsetHeight,

      },
    });
    this.domtools.convenience.smartdelay.delayFor(0).then(async () => {
      while (true) {
        await this.domtools.convenience.smartdelay.delayFor(30000);
        await replayer.play();
        await this.domtools.convenience.smartdelay.delayFor(0);
        // this.fixPosition();
      }
    });
    this.fixPosition();
  }

  public async fixPosition() {
    await this.domtoolsPromise;
    await this.domtools.convenience.smartdelay.delayFor(0);
    const iframe = this.shadowRoot.querySelector('iframe');
    const replayerWrapper = this.shadowRoot.querySelector('.replayer-wrapper') as HTMLElement;
    const replayerMouse = this.shadowRoot.querySelector('.replayer-mouse') as HTMLElement;
    const replayerMouseTail = this.shadowRoot.querySelector('.replayer-mouse-tail') as HTMLElement;
    replayerWrapper.style.position = 'absolute';
    replayerWrapper.style.top = '0px';
    replayerWrapper.style.left = '0px';
    replayerWrapper.style.transformOrigin = 'center center';
    replayerMouse.style.position = 'absolute';
    replayerMouseTail.style.position = 'absolute';
    iframe.style.position = 'absolute';
    iframe.style.top = '0px';
    iframe.style.left = '0px';
  }

  /**
   * Keydown handler. If Ctrl + H is pressed, stop the recording and replay the session
   */
  private handleKeydown = (): void => {
    this.stopRecording();
    this.playRecording();
  };
}