import React, { useState } from 'react';
import { useNavigate } from 'react-router-dom';
import {
  Table, TableRow, TableCell, TableHead, TableBody,
} from '@mui/material';
import LinkIcon from '@mui/icons-material/Link';
import PublishIcon from '@mui/icons-material/Publish';
import { useEffectAsync } from '../reactHelper';
import { useTranslation } from '../common/components/LocalizationProvider';
import PageLayout from '../common/components/PageLayout';
import SettingsMenu from './components/SettingsMenu';
import CollectionFab from './components/CollectionFab';
import CollectionActions from './components/CollectionActions';
import TableShimmer from '../common/components/TableShimmer';
import SearchHeader, { filterByKeyword } from './components/SearchHeader';
import { useRestriction } from '../common/util/permissions';
import useSettingsStyles from './common/useSettingsStyles';

const GroupsPage = () => {
  const classes = useSettingsStyles();
  const navigate = useNavigate();
  const t = useTranslation();

  const limitCommands = useRestriction('limitCommands');

  const [timestamp, setTimestamp] = useState(Date.now());
  const [items, setItems] = useState([]);
  const [searchKeyword, setSearchKeyword] = useState('');
  const [loading, setLoading] = useState(false);

  useEffectAsync(async () => {
    setLoading(true);
    try {
      const response = await fetch('/api/groups');
      if (response.ok) {
        setItems(await response.json());
      } else {
        throw Error(await response.text());
      }
    } finally {
      setLoading(false);
    }
  }, [timestamp]);

  const actionCommand = {
    key: 'command',
    title: t('deviceCommand'),
    icon: <PublishIcon fontSize="small" />,
    handler: (groupId) => navigate(`/settings/group/${groupId}/command`),
  };

  const actionConnections = {
    key: 'connections',
    title: t('sharedConnections'),
    icon: <LinkIcon fontSize="small" />,
    handler: (groupId) => navigate(`/settings/group/${groupId}/connections`),
  };

  return (
    <PageLayout menu={<SettingsMenu />} breadcrumbs={['settingsTitle', 'settingsGroups']}>
      <SearchHeader keyword={searchKeyword} setKeyword={setSearchKeyword} />
      <Table className={classes.table}>
        <TableHead>
          <TableRow>
            <TableCell>{t('sharedName')}</TableCell>
            <TableCell className={classes.columnAction} />
          </TableRow>
        </TableHead>
        <TableBody>
          {!loading ? items.filter(filterByKeyword(searchKeyword)).map((item) => (
            <TableRow key={item.id}>
              <TableCell>{item.name}</TableCell>
              <TableCell className={classes.columnAction} padding="none">
                <CollectionActions
                  itemId={item.id}
                  editPath="/settings/group"
                  endpoint="groups"
                  setTimestamp={setTimestamp}
                  customActions={limitCommands ? [actionConnections] : [actionConnections, actionCommand]}
                />
              </TableCell>
            </TableRow>
          )) : (<TableShimmer columns={2} endAction />)}
        </TableBody>
      </Table>
      <CollectionFab editPath="/settings/group" />
    </PageLayout>
  );
};

export default GroupsPage;