import React, { useEffect } from 'react';
import { connect } from 'react-redux';
import { NoContent, Loader, Pagination } from 'UI';
import { List } from 'immutable';
import SessionItem from 'Shared/SessionItem';
import withPermissions from 'HOCs/withPermissions'
import { KEYS } from 'Types/filter/customFilter';
import { applyFilter } from 'Duck/liveSearch';
import { FilterKey } from 'App/types/filter/filterType';
import { addFilterByKeyAndValue, updateCurrentPage } from 'Duck/liveSearch';
import Select from 'Shared/Select';
import SortOrderButton from 'Shared/SortOrderButton';
import { capitalize } from 'App/utils';
import LiveSessionReloadButton from 'Shared/LiveSessionReloadButton';

const AUTOREFRESH_INTERVAL = .5 * 60 * 1000
const PER_PAGE = 10;

interface Props {
  loading: boolean,
  metaListLoading: boolean
  list: List<any>,
  // fetchLiveList: () => Promise<void>,
  applyFilter: (filter: any) => void,
  filter: any,
  // addAttribute: (obj: any) => void,
  addFilterByKeyAndValue: (key: FilterKey, value: string) => void,
  updateCurrentPage: (page: number) => void,
  currentPage: number,
  totla: number,
  metaList: any,
  sort: any,
  total: number,
}

function LiveSessionList(props: Props) {
  const { loading, metaListLoading, filter, list, currentPage, total, metaList = [], sort } = props;
  var timeoutId: any;
  const { filters } = filter;
  const hasUserFilter = filters.map((i: any) => i.key).includes(KEYS.USERID);
  const sortOptions = metaList.map((i: any) => ({
    label: capitalize(i), value: i
  })).toJS();

  // useEffect(() => {
  //   if (metaListLoading || metaList.size === 0 || !!filter.sort) return;

  //   if (sortOptions[0]) {
  //     props.applyFilter({ sort: sortOptions[0].value });
  //   }
  // }, [metaListLoading]);

  // useEffect(() => {
  //   const filteredSessions = filters.size > 0 ? props.list.filter(session => {
  //     let hasValidFilter = true;
  //     filters.forEach(filter => {
  //       if (!hasValidFilter) return;

  //       const _values = filter.value.filter(i => i !== '' && i !== null && i !== undefined).map(i => i.toLowerCase());
  //       if (filter.key === FilterKey.USERID) {
  //         const _userId = session.userId ? session.userId.toLowerCase() : '';
  //         hasValidFilter = _values.length > 0 ? (_values.includes(_userId) && hasValidFilter) || _values.some(i => _userId.includes(i)) : hasValidFilter;
  //       }
  //       if (filter.category === FilterCategory.METADATA) {
  //         const _source = session.metadata[filter.key] ? session.metadata[filter.key].toLowerCase() : '';
  //         hasValidFilter = _values.length > 0 ? (_values.includes(_source) && hasValidFilter) || _values.some(i => _source.includes(i)) : hasValidFilter;
  //       }
  //     })
  //     return hasValidFilter;
  //   }) : props.list;
  //   setSessions(filteredSessions);
  // }, [filters, list]);

  useEffect(() => {
    props.applyFilter({ ...filter});
    timeout();
    return () => {
      clearTimeout(timeoutId)
    }
  }, [])

  const onUserClick = (userId: string, userAnonymousId: string) => {
    if (userId) {
      props.addFilterByKeyAndValue(FilterKey.USERID, userId);
    } else {
      props.addFilterByKeyAndValue(FilterKey.USERANONYMOUSID, userAnonymousId);
    }
  }

  const onSortChange = ({ value }: any) => {
    props.applyFilter({ sort: value.value });
  }

  const timeout = () => {
    timeoutId = setTimeout(() => {
      props.applyFilter({ ...filter});
      timeout();
    }, AUTOREFRESH_INTERVAL);
  }

  return (
    <div>
      <div className="flex mb-6 justify-between items-end">
        <div className="flex items-baseline">
          <h3 className="text-2xl capitalize">
            <span>Live Sessions</span>
            <span className="ml-2 font-normal color-gray-medium">{total}</span>
          </h3>

          <LiveSessionReloadButton onClick={() => props.applyFilter({ ...filter }) } />
        </div>
        <div className="flex items-center">
          <div className="flex items-center ml-6 mr-4">
            <span className="mr-2 color-gray-medium">Sort By</span>
            <Select
              plain
              right
              options={sortOptions}
              // defaultValue={sort.field}
              onChange={onSortChange}
              value={sortOptions.find((i: any) => i.value === filter.sort) || sortOptions[0]}
            />
          </div>
          <SortOrderButton onChange={(state: any) => props.applyFilter({ order: state })} sortOrder={filter.order} />
        </div>
      </div>
      <Loader loading={ loading }>
        <NoContent
            title={"No live sessions."}
            subtext={
              <span>
                See how to <a target="_blank" className="link" href="https://docs.openreplay.com/plugins/assist">{'enable Assist'}</a> and ensure you're using tracker-assist <span className="font-medium">v3.5.0</span> or higher.
              </span>
            }
            image={<img src="/assets/img/live-sessions.png"
            style={{ width: '70%', marginBottom: '30px' }}/>}
            show={ !loading && list.size === 0}
          >
            <div className="bg-white p-3 rounded border">
            
              {list.map(session => (
                <>
                  <SessionItem
                    key={ session.sessionId }
                    session={ session }
                    live
                    hasUserFilter={hasUserFilter}
                    onUserClick={onUserClick}
                    metaList={metaList}
                  />
                  <div className="border-b" />
                </>
              ))}

            <div className="w-full flex items-center justify-center py-6">
              <Pagination
                page={currentPage}
                totalPages={Math.ceil(total / PER_PAGE)}
                onPageChange={(page: any) => props.updateCurrentPage(page)}
                limit={PER_PAGE}
              />
            </div>
            </div>
          </NoContent>
        </Loader>
    </div>
  )
}

export default withPermissions(['ASSIST_LIVE'])(connect(
  (state: any) => ({
    list: state.getIn(['liveSearch', 'list']),
    loading: state.getIn([ 'liveSearch', 'fetchList', 'loading' ]),
    metaListLoading: state.getIn([ 'customFields', 'fetchRequest', 'loading' ]),
    filter: state.getIn([ 'liveSearch', 'instance' ]),
    total: state.getIn([ 'liveSearch', 'total' ]),
    currentPage: state.getIn(["liveSearch", "currentPage"]),
    metaList: state.getIn(['customFields', 'list']).map((i: any) => i.key),
    sort: state.getIn(['liveSearch', 'sort']),
  }),
  {
    applyFilter,
    addFilterByKeyAndValue,
    updateCurrentPage,
  }
)(LiveSessionList));