import React from 'react';
import cn from 'classnames';
import { EscapeButton } from 'UI';
import {
  NONE,
  CONSOLE,
  NETWORK,
  STACKEVENTS,
  PERFORMANCE,
  EXCEPTIONS,
  OVERVIEW,
} from 'App/mstore/uiPlayerStore';
import { MobileNetworkPanel } from 'Shared/DevTools/NetworkPanel';
import { MobilePerformance } from 'Components/Session_/Performance';
import { MobileExceptions } from 'Components/Session_/Exceptions/Exceptions';
import stl from 'Components/Session_/Player/player.module.css';
import { MobileOverviewPanel } from 'Components/Session_/OverviewPanel';
import MobileConsolePanel from 'Shared/DevTools/ConsolePanel/MobileConsolePanel';
import { MobilePlayerContext } from 'App/components/Session/playerContext';
import { MobileStackEventPanel } from 'Shared/DevTools/StackEventPanel';
import ReplayWindow from 'Components/Session/Player/MobilePlayer/ReplayWindow';
import PerfWarnings from 'Components/Session/Player/MobilePlayer/PerfWarnings';
import {
  debounceUpdate,
  getDefaultPanelHeight,
} from 'Components/Session/Player/ReplayPlayer/PlayerInst';
import { observer } from 'mobx-react-lite';
import { useStore } from 'App/mstore';
import Overlay from './MobileOverlay';
import MobileControls from './MobileControls';

interface IProps {
  fullView: boolean;
  isMultiview?: boolean;
  activeTab: string;
  setActiveTab: (tab: string) => void;
  bottomBlock: any;
  fullscreen?: boolean;
}

function Player(props: IProps) {
  const defaultHeight = getDefaultPanelHeight();
  const [panelHeight, setPanelHeight] = React.useState(defaultHeight);
  const { activeTab, fullView } = props;
  const { uiPlayerStore, sessionStore } = useStore();
  const { nextId } = sessionStore;
  const { sessionId } = sessionStore.current;
  const { userDevice } = sessionStore.current;
  const { videoURL } = sessionStore.current;
  const { platform } = sessionStore.current;
  const isAndroid = platform === 'android';
  const screenWidth = sessionStore.current.screenWidth!;
  const screenHeight = sessionStore.current.screenHeight!;
  const { updateLastPlayedSession } = sessionStore;
  const { fullscreenOff } = uiPlayerStore;
  const { fullscreen } = uiPlayerStore;
  const { bottomBlock } = uiPlayerStore;
  const playerContext = React.useContext(MobilePlayerContext);
  const isReady = playerContext.store.get().ready;
  const screenWrapper = React.useRef<HTMLDivElement>(null);
  const bottomBlockIsActive = !fullscreen && bottomBlock !== NONE;
  const [isAttached, setAttached] = React.useState(false);

  React.useEffect(() => {
    updateLastPlayedSession(sessionId);
    const parentElement = screenWrapper.current; // TODO: good architecture
    if (parentElement && !isAttached) {
      playerContext.player.attach(parentElement);
      setAttached(true);
    }
  }, [isReady]);

  React.useEffect(() => {
    playerContext.player.scale();
  }, [
    bottomBlock,
    props.fullscreen,
    playerContext.player,
    activeTab,
    fullView,
  ]);

  React.useEffect(() => {
    playerContext.player.addFullscreenBoundary(props.fullscreen || fullView);
  }, [props.fullscreen, fullView]);
  if (!playerContext.player) return null;

  const maxWidth = activeTab ? 'calc(100vw - 270px)' : '100vw';

  const handleResize = (e: React.MouseEvent<HTMLDivElement>) => {
    e.preventDefault();
    const startY = e.clientY;
    const startHeight = panelHeight;

    const handleMouseUp = () => {
      document.removeEventListener('mousemove', handleMouseMove);
      document.removeEventListener('mouseup', handleMouseUp);
    };

    const handleMouseMove = (e: MouseEvent) => {
      const deltaY = e.clientY - startY;
      const diff = startHeight - deltaY;
      const max = diff > window.innerHeight / 2 ? window.innerHeight / 2 : diff;
      const newHeight = Math.max(50, max);
      setPanelHeight(newHeight);
      playerContext.player.scale();
      debounceUpdate(newHeight);
    };

    document.addEventListener('mousemove', handleMouseMove);
    document.addEventListener('mouseup', handleMouseUp);
  };

  return (
    <div
      className={cn(
        stl.playerBody,
        'flex-1 flex flex-col relative',
        fullscreen && 'pb-2',
      )}
      data-bottom-block={bottomBlockIsActive}
    >
      {fullscreen && <EscapeButton onClose={fullscreenOff} />}
      <div className="relative flex-1">
        <Overlay nextId={nextId} />

        <div className={cn(stl.mobileScreenWrapper)} ref={screenWrapper}>
          <ReplayWindow
            videoURL={videoURL}
            userDevice={userDevice}
            isAndroid={isAndroid}
            screenWidth={screenWidth}
            screenHeight={screenHeight}
          />
          <PerfWarnings userDevice={userDevice} />
        </div>
      </div>
      {!fullscreen && !!bottomBlock && (
        <div
          style={{
            height: panelHeight,
            maxWidth,
            width: '100%',
            position: 'relative',
            overflow: 'hidden',
          }}
        >
          <div
            onMouseDown={handleResize}
            className="w-full h-2 cursor-ns-resize absolute top-0 left-0 z-20"
          />
          {bottomBlock === OVERVIEW && <MobileOverviewPanel />}
          {bottomBlock === CONSOLE && <MobileConsolePanel />}
          {bottomBlock === STACKEVENTS && <MobileStackEventPanel />}
          {bottomBlock === NETWORK && (
            <MobileNetworkPanel panelHeight={panelHeight} />
          )}
          {bottomBlock === PERFORMANCE && <MobilePerformance />}
          {bottomBlock === EXCEPTIONS && <MobileExceptions />}
        </div>
      )}
      {!fullView ? (
        <MobileControls
          setActiveTab={(tab: string) =>
            activeTab === tab ? props.setActiveTab('') : props.setActiveTab(tab)
          }
          speedDown={playerContext.player.speedDown}
          speedUp={playerContext.player.speedUp}
          jump={playerContext.player.jump}
        />
      ) : null}
    </div>
  );
}

export default observer(Player);