import React, { Fragment } from 'react';
import { useDispatch, useSelector } from 'react-redux';
import { makeStyles } from '@material-ui/core/styles';
import Avatar from '@material-ui/core/Avatar';
import Divider from '@material-ui/core/Divider';
import IconButton from '@material-ui/core/IconButton';
import List from '@material-ui/core/List';
import ListItem from '@material-ui/core/ListItem';
import ListItemAvatar from '@material-ui/core/ListItemAvatar';
import ListItemSecondaryAction from '@material-ui/core/ListItemSecondaryAction';
import ListItemText from '@material-ui/core/ListItemText';
import LocationOnIcon from '@material-ui/icons/LocationOn';
import MoreVertIcon from '@material-ui/icons/MoreVert';

import { devicesActions } from './store';
import EditCollectionView from './EditCollectionView';
import { useEffectAsync } from './reactHelper';

const useStyles = makeStyles(() => ({
  list: {
    maxHeight: '100%',
    overflow: 'auto',
  },
}));

const DeviceView = ({ updateTimestamp, onMenuClick }) => {
  const classes = useStyles();
  const dispatch = useDispatch();

  const items = useSelector(state => Object.values(state.devices.items));

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

  return (
    <List className={classes.list}>
      {items.map((item, index, list) => (
        <Fragment key={item.id}>
          <ListItem button key={item.id} onClick={() => dispatch(devicesActions.select(item))}>
            <ListItemAvatar>
              <Avatar>
                <LocationOnIcon />
              </Avatar>
            </ListItemAvatar>
            <ListItemText primary={item.name} secondary={item.uniqueId} />
            <ListItemSecondaryAction>
              <IconButton onClick={(event) => onMenuClick(event.currentTarget, item.id)}>
                <MoreVertIcon />
              </IconButton>
            </ListItemSecondaryAction>
          </ListItem>
          {index < list.length - 1 ? <Divider /> : null}
        </Fragment>
      ))}
    </List>
  );
}

const DevicesList = () => {
  return (
    <EditCollectionView content={DeviceView} editPath="/device" endpoint="devices" />
  );
}

export default DevicesList;