import React, { useState } from 'react';
import { TableContainer, Table, TableRow, TableCell, TableHead, TableBody, makeStyles, IconButton } from '@material-ui/core';
import MoreVertIcon from '@material-ui/icons/MoreVert';
import t from '../common/localization';
import { useEffectAsync } from '../reactHelper';
import EditCollectionView from '../EditCollectionView';

import positionAttributes from '../attributes/positionAttributes';
import { formatDistance, formatSpeed } from '../common/formatter';
import { useAttributePreference } from '../common/preferences';
import OptionsLayout from './OptionsLayout';

const useStyles = makeStyles(theme => ({
  columnAction: {
    width: theme.spacing(1),
    padding: theme.spacing(0, 1)
  }
}));

const MaintenancesView = ({ updateTimestamp, onMenuClick }) => {
  const classes = useStyles();

  const [items, setItems] = useState([]);
  const speedUnit = useAttributePreference('speedUnit');
  const distanceUnit = useAttributePreference('distanceUnit');

  useEffectAsync(async () => {
    const response = await fetch('/api/maintenance');
    if (response.ok) {
      setItems(await response.json());
    }
  }, [updateTimestamp]);

  const convertAttribute = (key, value) => {
    const attribute = positionAttributes[key];
    if (attribute && attribute.dataType) {
      switch (attribute.dataType) {
        case 'speed':
          return formatSpeed(value, speedUnit);
        case 'distance':        
          return formatDistance(value, distanceUnit);
        default:
          return value;
      }
    }

    return value;
  };

  return (
    <TableContainer>
    <Table>
      <TableHead>
        <TableRow>
          <TableCell className={classes.columnAction} />
          <TableCell>{t('sharedName')}</TableCell>
          <TableCell>{t('sharedType')}</TableCell>
          <TableCell>{t('maintenanceStart')}</TableCell>
          <TableCell>{t('maintenancePeriod')}</TableCell>
        </TableRow>
      </TableHead>
      <TableBody>
        {items.map(item => (
          <TableRow key={item.id}>
            <TableCell className={classes.columnAction} padding="none">
                <IconButton
                  onClick={event => onMenuClick(event.currentTarget, item.id)}
                >
                <MoreVertIcon />
              </IconButton>
            </TableCell>
            <TableCell>{item.name}</TableCell>
            <TableCell>{item.type}</TableCell>
            <TableCell>{convertAttribute(item.type, item.start)}</TableCell>
            <TableCell>{convertAttribute(item.type, item.period)}</TableCell>
          </TableRow>
        ))}
      </TableBody>
    </Table>
    </TableContainer>
  );
};

const MaintenacesPage = () => {
  return (
    <OptionsLayout>
      <EditCollectionView
        content={MaintenancesView}
        editPath="/settings/maintenance"
        endpoint="maintenance"
      />
    </OptionsLayout>
  );
};

export default MaintenacesPage;