import WebPlayer from 'Player/web/WebPlayer';
import MobilePlayer from 'Player/mobile/IOSPlayer';
import React, { useMemo, useState } from 'react';
import { observer } from 'mobx-react-lite';
import { Duration } from 'luxon';

import { Tooltip, Tabs, Input, NoContent, Icon, Toggler } from 'UI';
import { ResourceType, Timed } from 'Player';
import { formatBytes } from 'App/utils';
import { formatMs } from 'App/date';
import { useModal } from 'App/components/Modal';
import FetchDetailsModal from 'Shared/FetchDetailsModal';
import { MobilePlayerContext, PlayerContext } from 'App/components/Session/playerContext';
import { useStore } from 'App/mstore';
import { connect } from 'react-redux';
import TimeTable from '../TimeTable';
import BottomBlock from '../BottomBlock';
import InfoLine from '../BottomBlock/InfoLine';
import useAutoscroll, { getLastItemTime } from '../useAutoscroll';
import { useRegExListFilterMemo, useTabListFilterMemo } from '../useListFilter';

const INDEX_KEY = 'network';

const ALL = 'ALL';
const XHR = 'xhr';
const JS = 'js';
const CSS = 'css';
const IMG = 'img';
const MEDIA = 'media';
const OTHER = 'other';

const TYPE_TO_TAB = {
  [ResourceType.XHR]: XHR,
  [ResourceType.FETCH]: XHR,
  [ResourceType.SCRIPT]: JS,
  [ResourceType.CSS]: CSS,
  [ResourceType.IMG]: IMG,
  [ResourceType.MEDIA]: MEDIA,
  [ResourceType.OTHER]: OTHER,
};

const TAP_KEYS = [ALL, XHR, JS, CSS, IMG, MEDIA, OTHER] as const;
const TABS = TAP_KEYS.map((tab) => ({
  text: tab === 'xhr' ? 'Fetch/XHR' : tab,
  key: tab,
}));

const DOM_LOADED_TIME_COLOR = 'teal';
const LOAD_TIME_COLOR = 'red';

function compare(a: any, b: any, key: string) {
  if (a[key] > b[key]) return 1;
  if (a[key] < b[key]) return -1;
  return 0;
}

export function renderType(r: any) {
  return (
    <Tooltip style={{ width: '100%' }} title={<div>{r.type}</div>}>
      <div>{r.type}</div>
    </Tooltip>
  );
}

export function renderName(r: any) {
  return (
    <Tooltip style={{ width: '100%' }} title={<div>{r.url}</div>}>
      <div>{r.name}</div>
    </Tooltip>
  );
}

export function renderStart(r: any) {
  return (
    <div className="flex justify-between items-center grow-0 w-full">
      <span>{Duration.fromMillis(r.time).toFormat('mm:ss.SSS')}</span>
    </div>
  );
}

function renderSize(r: any) {
  if (r.responseBodySize) return formatBytes(r.responseBodySize);
  let triggerText;
  let content;
  if (r.decodedBodySize == null || r.decodedBodySize === 0) {
    triggerText = 'x';
    content = 'Not captured';
  } else {
    const headerSize = r.headerSize || 0;
    const showTransferred = r.headerSize != null;

    triggerText = formatBytes(r.decodedBodySize);
    content = (
      <ul>
        {showTransferred && (
          <li>{`${formatBytes(r.encodedBodySize + headerSize)} transferred over network`}</li>
        )}
        <li>{`Resource size: ${formatBytes(r.decodedBodySize)} `}</li>
      </ul>
    );
  }

  return (
    <Tooltip style={{ width: '100%' }} title={content}>
      <div>{triggerText}</div>
    </Tooltip>
  );
}

export function renderDuration(r: any) {
  if (!r.success) return 'x';

  const text = `${Math.floor(r.duration)}ms`;
  if (!r.isRed && !r.isYellow) return text;

  let tooltipText;
  let className = 'w-full h-full flex items-center ';
  if (r.isYellow) {
    tooltipText = 'Slower than average';
    className += 'warn color-orange';
  } else {
    tooltipText = 'Much slower than average';
    className += 'error color-red';
  }

  return (
    <Tooltip style={{ width: '100%' }} title={tooltipText}>
      <div> {text} </div>
    </Tooltip>
  );
}

function renderStatus({ status, cached }: { status: string; cached: boolean }) {
  return (
    <>
      {cached ? (
        <Tooltip title={'Served from cache'}>
          <div className="flex items-center">
            <span className="mr-1">{status}</span>
            <Icon name="wifi" size={16} />
          </div>
        </Tooltip>
      ) : (
        status
      )}
    </>
  );
}

function NetworkPanelCont({ startedAt }: { startedAt: number }) {
  const { player, store } = React.useContext(PlayerContext);

  const { domContentLoadedTime, loadTime, domBuildingTime, tabStates, currentTab } = store.get();
  const {
    fetchList = [],
    resourceList = [],
    fetchListNow = [],
    resourceListNow = [],
  } = tabStates[currentTab];

  return (
    <NetworkPanelComp
      loadTime={loadTime}
      domBuildingTime={domBuildingTime}
      domContentLoadedTime={domContentLoadedTime}
      fetchList={fetchList}
      resourceList={resourceList}
      fetchListNow={fetchListNow}
      resourceListNow={resourceListNow}
      player={player}
      startedAt={startedAt}
    />
  );
}

function MobileNetworkPanelCont({ startedAt }: { startedAt: number }) {
  const { player, store } = React.useContext(MobilePlayerContext);

  const domContentLoadedTime = undefined;
  const loadTime = undefined;
  const domBuildingTime = undefined;
  const {
    fetchList = [],
    resourceList = [],
    fetchListNow = [],
    resourceListNow = [],
  } = store.get();

  return (
    <NetworkPanelComp
      isMobile
      loadTime={loadTime}
      domBuildingTime={domBuildingTime}
      domContentLoadedTime={domContentLoadedTime}
      fetchList={fetchList}
      resourceList={resourceList}
      fetchListNow={fetchListNow}
      resourceListNow={resourceListNow}
      player={player}
      startedAt={startedAt}
    />
  );
}

interface Props {
  domContentLoadedTime?: {
    time: number;
    value: number;
  };
  loadTime?: {
    time: number;
    value: number;
  };
  domBuildingTime?: number;
  fetchList: Timed[];
  resourceList: Timed[];
  fetchListNow: Timed[];
  resourceListNow: Timed[];
  player: WebPlayer | MobilePlayer;
  startedAt: number;
  isMobile?: boolean;
}

const NetworkPanelComp = observer(({
  loadTime,
  domBuildingTime,
  domContentLoadedTime,
  fetchList,
  resourceList,
  fetchListNow,
  resourceListNow,
  player,
  startedAt,
  isMobile
}: Props) => {
  const { showModal } = useModal();
  const [sortBy, setSortBy] = useState('time');
  const [sortAscending, setSortAscending] = useState(true);
  const [showOnlyErrors, setShowOnlyErrors] = useState(false);

  const [isDetailsModalActive, setIsDetailsModalActive] = useState(false);
  const {
    sessionStore: { devTools },
  } = useStore();
  const filter = devTools[INDEX_KEY].filter;
  const activeTab = devTools[INDEX_KEY].activeTab;
  const activeIndex = devTools[INDEX_KEY].index;

  const list = useMemo(
    () =>
      // TODO: better merge (with body size info) - do it in player
      resourceList
        .filter(
          (res) =>
            !fetchList.some((ft) => {
              // res.url !== ft.url doesn't work on relative URLs appearing within fetchList (to-fix in player)
              if (res.name === ft.name) {
                if (res.time === ft.time) return true;
                if (res.url.includes(ft.url)) {
                  return (
                    Math.abs(res.time - ft.time) < 350 ||
                    Math.abs(res.timestamp - ft.timestamp) < 350
                  );
                }
              }

              if (res.name !== ft.name) {
                return false;
              }
              if (Math.abs(res.time - ft.time) > 250) {
                return false;
              } // TODO: find good epsilons
              if (Math.abs(res.duration - ft.duration) > 200) {
                return false;
              }

              return true;
            })
        )
        .concat(fetchList)
        .sort((a, b) => a.time - b.time),
    [resourceList.length, fetchList.length]
  );

  let filteredList = useMemo(() => {
    if (!showOnlyErrors) {
      return list;
    }
    return list.filter((it) => parseInt(it.status) >= 400 || !it.success);
  }, [showOnlyErrors, list]);
  filteredList = useRegExListFilterMemo(
    filteredList,
    (it) => [it.status, it.name, it.type],
    filter
  );
  filteredList = useTabListFilterMemo(filteredList, (it) => TYPE_TO_TAB[it.type], ALL, activeTab);

  const onTabClick = (activeTab: (typeof TAP_KEYS)[number]) =>
    devTools.update(INDEX_KEY, { activeTab });
  const onFilterChange = ({ target: { value } }: React.ChangeEvent<HTMLInputElement>) =>
    devTools.update(INDEX_KEY, { filter: value });

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

  const resourcesSize = useMemo(
    () => resourceList.reduce((sum, { decodedBodySize }) => sum + (decodedBodySize || 0), 0),
    [resourceList.length]
  );
  const transferredSize = useMemo(
    () =>
      resourceList.reduce(
        (sum, { headerSize, encodedBodySize }) => sum + (headerSize || 0) + (encodedBodySize || 0),
        0
      ),
    [resourceList.length]
  );

  const referenceLines = useMemo(() => {
    const arr = [];

    if (domContentLoadedTime != null) {
      arr.push({
        time: domContentLoadedTime.time,
        color: DOM_LOADED_TIME_COLOR,
      });
    }
    if (loadTime != null) {
      arr.push({
        time: loadTime.time,
        color: LOAD_TIME_COLOR,
      });
    }

    return arr;
  }, [domContentLoadedTime, loadTime]);

  const showDetailsModal = (item: any) => {
    setIsDetailsModalActive(true);
    showModal(
      <FetchDetailsModal
        time={item.time + startedAt}
        resource={item}
        rows={filteredList}
        fetchPresented={fetchList.length > 0}
      />,
      {
        right: true,
        width: 500,
        onClose: () => {
          setIsDetailsModalActive(false);
          timeoutStartAutoscroll();
        },
      }
    );
    devTools.update(INDEX_KEY, { index: filteredList.indexOf(item) });
    stopAutoscroll();
  };

  return (
    <React.Fragment>
      <BottomBlock
        style={{ height: '300px' }}
        className="border"
        onMouseEnter={onMouseEnter}
        onMouseLeave={onMouseLeave}
      >
        <BottomBlock.Header>
          <div className="flex items-center">
            <span className="font-semibold color-gray-medium mr-4">Network</span>
            {isMobile ? null :
              <Tabs
                className="uppercase"
                tabs={TABS}
                active={activeTab}
                onClick={onTabClick}
                border={false}
              />
            }
          </div>
          <Input
            className="input-small"
            placeholder="Filter by name, type or value"
            icon="search"
            name="filter"
            onChange={onFilterChange}
            height={28}
            width={230}
            value={filter}
          />
        </BottomBlock.Header>
        <BottomBlock.Content>
          <div className="flex items-center justify-between px-4">
            <div>
              <Toggler
                checked={showOnlyErrors}
                name="test"
                onChange={() => setShowOnlyErrors(!showOnlyErrors)}
                label="4xx-5xx Only"
              />
            </div>
            <InfoLine>
              <InfoLine.Point label={filteredList.length + ''} value=" requests" />
              <InfoLine.Point
                label={formatBytes(transferredSize)}
                value="transferred"
                display={transferredSize > 0}
              />
              <InfoLine.Point
                label={formatBytes(resourcesSize)}
                value="resources"
                display={resourcesSize > 0}
              />
              <InfoLine.Point
                label={formatMs(domBuildingTime)}
                value="DOM Building Time"
                display={domBuildingTime != null}
              />
              <InfoLine.Point
                label={domContentLoadedTime && formatMs(domContentLoadedTime.value)}
                value="DOMContentLoaded"
                display={domContentLoadedTime != null}
                dotColor={DOM_LOADED_TIME_COLOR}
              />
              <InfoLine.Point
                label={loadTime && formatMs(loadTime.value)}
                value="Load"
                display={loadTime != null}
                dotColor={LOAD_TIME_COLOR}
              />
            </InfoLine>
          </div>
          <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}
          >
            <TimeTable
              rows={filteredList}
              referenceLines={referenceLines}
              renderPopup
              onRowClick={showDetailsModal}
              sortBy={sortBy}
              sortAscending={sortAscending}
              onJump={(row: any) => {
                devTools.update(INDEX_KEY, { index: filteredList.indexOf(row) });
                player.jump(row.time);
              }}
              activeIndex={activeIndex}
            >
              {[
                // {
                //   label: 'Start',
                //   width: 120,
                //   render: renderStart,
                // },
                {
                  label: 'Status',
                  dataKey: 'status',
                  width: 90,
                  render: renderStatus,
                },
                {
                  label: 'Type',
                  dataKey: 'type',
                  width: 90,
                  render: renderType,
                },
                {
                  label: 'Name',
                  width: 240,
                  dataKey: 'name',
                  render: renderName,
                },
                {
                  label: 'Size',
                  width: 80,
                  dataKey: 'decodedBodySize',
                  render: renderSize,
                  hidden: activeTab === XHR,
                },
                {
                  label: 'Duration',
                  width: 80,
                  dataKey: 'duration',
                  render: renderDuration,
                },
              ]}
            </TimeTable>
          </NoContent>
        </BottomBlock.Content>
      </BottomBlock>
    </React.Fragment>
  );
})

const WebNetworkPanel = connect((state: any) => ({
  startedAt: state.getIn(['sessions', 'current']).startedAt,
}))(observer(NetworkPanelCont));

const MobileNetworkPanel = connect((state: any) => ({
  startedAt: state.getIn(['sessions', 'current']).startedAt,
}))(observer(MobileNetworkPanelCont));

export {
    WebNetworkPanel,
    MobileNetworkPanel
}