import { Timed } from 'Player';
import React, { useEffect, useMemo, useState } from 'react';
import { observer } from 'mobx-react-lite';
import { Tabs, Input, NoContent, Icon } from 'UI';
import { PlayerContext, MobilePlayerContext } from 'App/components/Session/playerContext';
import BottomBlock from '../BottomBlock';
import { useModal } from 'App/components/Modal';
import { useStore } from 'App/mstore';
import { typeList } from 'Types/session/stackEvent';
import StackEventRow from 'Shared/DevTools/StackEventRow';

import StackEventModal from '../StackEventModal';
import useAutoscroll, { getLastItemTime } from '../useAutoscroll';
import { useRegExListFilterMemo, useTabListFilterMemo } from '../useListFilter';
import { connect } from 'react-redux';
import { VList, VListHandle } from 'virtua';

const mapNames = (type: string) => {
  if (type === 'openreplay') return 'OpenReplay';
  return type;
};

const INDEX_KEY = 'stackEvent';
const ALL = 'ALL';
const TAB_KEYS = [ALL, ...typeList] as const;
const TABS = TAB_KEYS.map((tab) => ({ text: tab, key: tab }));

type EventsList = Array<Timed & { name: string; source: string; key: string; payload?: string[] }>;

const WebStackEventPanelComp = observer(
  ({
    zoomEnabled,
    zoomStartTs,
    zoomEndTs,
  }: {
    zoomEnabled: boolean;
    zoomStartTs: number;
    zoomEndTs: number;
  }) => {
    const { player, store } = React.useContext(PlayerContext);
    const jump = (t: number) => player.jump(t);
    const { currentTab, tabStates } = store.get();

    const { stackList: list = [], stackListNow: listNow = [] } = tabStates[currentTab];

    return (
      <EventsPanel
        list={list as EventsList}
        listNow={listNow as EventsList}
        jump={jump}
        zoomEnabled={zoomEnabled}
        zoomStartTs={zoomStartTs}
        zoomEndTs={zoomEndTs}
      />
    );
  }
);

export const WebStackEventPanel = connect((state: Record<string, any>) => ({
  zoomEnabled: state.getIn(['components', 'player']).timelineZoom.enabled,
  zoomStartTs: state.getIn(['components', 'player']).timelineZoom.startTs,
  zoomEndTs: state.getIn(['components', 'player']).timelineZoom.endTs,
}))(WebStackEventPanelComp);

const MobileStackEventPanelComp = observer(
  ({
    zoomEnabled,
    zoomStartTs,
    zoomEndTs,
  }: {
    zoomEnabled: boolean;
    zoomStartTs: number;
    zoomEndTs: number;
  }) => {
    const { player, store } = React.useContext(MobilePlayerContext);
    const jump = (t: number) => player.jump(t);
    const { eventList: list = [], eventListNow: listNow = [] } = store.get();

    return (
      <EventsPanel
        list={list as EventsList}
        listNow={listNow as EventsList}
        jump={jump}
        zoomEnabled={zoomEnabled}
        zoomStartTs={zoomStartTs}
        zoomEndTs={zoomEndTs}
      />
    );
  }
);

export const MobileStackEventPanel = connect((state: Record<string, any>) => ({
  zoomEnabled: state.getIn(['components', 'player']).timelineZoom.enabled,
  zoomStartTs: state.getIn(['components', 'player']).timelineZoom.startTs,
  zoomEndTs: state.getIn(['components', 'player']).timelineZoom.endTs,
}))(MobileStackEventPanelComp);

const EventsPanel = observer(({
  list,
  listNow,
  jump,
  zoomEnabled,
  zoomStartTs,
  zoomEndTs,
}: {
  list: EventsList;
  listNow: EventsList;
  jump: (t: number) => void;
  zoomEnabled: boolean;
  zoomStartTs: number;
  zoomEndTs: number;
}) => {
  const {
    sessionStore: { devTools },
  } = useStore();
  const { showModal } = useModal();
  const [isDetailsModalActive, setIsDetailsModalActive] = useState(false); // TODO:embed that into useModal
  const filter = devTools[INDEX_KEY].filter;
  const activeTab = devTools[INDEX_KEY].activeTab;
  const activeIndex = devTools[INDEX_KEY].index;

  const inZoomRangeList = list.filter(({ time }) =>
    zoomEnabled ? zoomStartTs <= time && time <= zoomEndTs : true
  );
  const inZoomRangeListNow = listNow.filter(({ time }) =>
    zoomEnabled ? zoomStartTs <= time && time <= zoomEndTs : true
  );

  let filteredList = useRegExListFilterMemo(inZoomRangeList, (it) => {
    const searchBy = [it.name]
    if (it.payload) {
    const payload = Array.isArray(it.payload) ? it.payload.join(',') : JSON.stringify(it.payload);
      searchBy.push(payload);
    }
    return searchBy
  }, filter);
  filteredList = useTabListFilterMemo(filteredList, (it) => it.source, ALL, activeTab);

  const onTabClick = (activeTab: (typeof TAB_KEYS)[number]) =>
    devTools.update(INDEX_KEY, { activeTab });
  const onFilterChange = ({ target: { value } }: React.ChangeEvent<HTMLInputElement>) => devTools.update(INDEX_KEY, { filter: value });
  const tabs = useMemo(
    () => TABS.filter(({ key }) => key === ALL || inZoomRangeList.some(({ source }) => key === source)),
    [inZoomRangeList.length]
  );

  const [timeoutStartAutoscroll, stopAutoscroll] = useAutoscroll(
    filteredList,
    getLastItemTime(inZoomRangeListNow),
    activeIndex,
    (index) => devTools.update(INDEX_KEY, { index })
  );
  const onMouseEnter = stopAutoscroll;
  const onMouseLeave = () => {
    if (isDetailsModalActive) {
      return;
    }
    timeoutStartAutoscroll();
  };

  const showDetails = (item: any) => {
    setIsDetailsModalActive(true);
    showModal(<StackEventModal event={item} />, {
      right: true,
      width: 500,
      onClose: () => {
        setIsDetailsModalActive(false);
        timeoutStartAutoscroll();
      },
    });
    devTools.update(INDEX_KEY, { index: filteredList.indexOf(item) });
    stopAutoscroll();
  };

  const _list = React.useRef<VListHandle>(null);
  useEffect(() => {
    if (_list.current) {
      _list.current.scrollToIndex(activeIndex);
    }
  }, [activeIndex]);

  return (
    <BottomBlock style={{ height: '100%' }} onMouseEnter={onMouseEnter} onMouseLeave={onMouseLeave}>
      <BottomBlock.Header>
        <div className="flex items-center">
          <span className="font-semibold color-gray-medium mr-4">Stack Events</span>
          <Tabs
            renameTab={mapNames}
            tabs={tabs}
            active={activeTab}
            onClick={onTabClick}
            border={false}
          />
        </div>
        <Input
          className="input-small h-8"
          placeholder="Filter by keyword"
          icon="search"
          name="filter"
          height={28}
          onChange={onFilterChange}
          value={filter}
        />
      </BottomBlock.Header>
      <BottomBlock.Content className="overflow-y-auto">
        <NoContent
          title={
            <div className="capitalize flex items-center mt-16">
              <Icon name="info-circle" className="mr-2" size="18" />
              No Data
            </div>
          }
          size="small"
          show={filteredList.length === 0}
        >
          <VList
            ref={_list}
            count={filteredList.length || 1}
          >
            {filteredList.map((item, index) => (
              <StackEventRow
                isActive={activeIndex === index}
                key={item.key}
                event={item}
                onJump={() => {
                  stopAutoscroll();
                  devTools.update(INDEX_KEY, { index: filteredList.indexOf(item) });
                  jump(item.time);
                }}
                onClick={() => showDetails(item)}
              />
            ))}
          </VList>
        </NoContent>
      </BottomBlock.Content>
    </BottomBlock>
  );
});