import React, { useState } from 'react';
import {
  FormControl, InputLabel, Select, MenuItem, TableContainer, Table, TableHead, TableRow, TableBody, TableCell,
} from '@material-ui/core';
import {
  formatDistance, formatHours, formatDate, formatSpeed, formatVolume,
} from '../common/util/formatter';
import ReportFilter, { useFilterStyles } from './components/ReportFilter';
import { useAttributePreference } from '../common/util/preferences';
import { useTranslation } from '../common/components/LocalizationProvider';
import PageLayout from '../common/components/PageLayout';
import ReportsMenu from './components/ReportsMenu';
import usePersistedState from '../common/util/usePersistedState';
import ColumnSelect from './components/ColumnSelect';

const columnsArray = [
  ['startTime', 'reportStartDate'],
  ['distance', 'sharedDistance'],
  ['startOdometer', 'reportStartOdometer'],
  ['endOdometer', 'reportEndOdometer'],
  ['averageSpeed', 'reportAverageSpeed'],
  ['maxSpeed', 'reportMaximumSpeed'],
  ['engineHours', 'reportEngineHours'],
  ['spentFuel', 'reportSpentFuel'],
];
const columnsMap = new Map(columnsArray);

const SummaryReportPage = () => {
  const classes = useFilterStyles();
  const t = useTranslation();

  const distanceUnit = useAttributePreference('distanceUnit');
  const speedUnit = useAttributePreference('speedUnit');
  const volumeUnit = useAttributePreference('volumeUnit');

  const [columns, setColumns] = usePersistedState('summaryColumns', ['startTime', 'startOdometer', 'distance', 'averageSpeed']);
  const [daily, setDaily] = useState(false);
  const [items, setItems] = useState([]);

  const handleSubmit = async (deviceId, from, to, mail, headers) => {
    const query = new URLSearchParams({
      deviceId, from, to, daily, mail,
    });
    const response = await fetch(`/api/reports/summary?${query.toString()}`, { headers });
    if (response.ok) {
      const contentType = response.headers.get('content-type');
      if (contentType) {
        if (contentType === 'application/json') {
          setItems(await response.json());
        } else {
          window.location.assign(window.URL.createObjectURL(await response.blob()));
        }
      }
    }
  };

  const formatValue = (item, key) => {
    switch (key) {
      case 'startTime':
        return item[key] ? formatDate(item[key], 'YYYY-MM-DD') : null;
      case 'startOdometer':
      case 'endOdometer':
      case 'distance':
        return formatDistance(item[key], distanceUnit, t);
      case 'averageSpeed':
      case 'maxSpeed':
        return formatSpeed(item[key], speedUnit, t);
      case 'engineHours':
        return formatHours(item[key]);
      case 'spentFuel':
        return formatVolume(item[key], volumeUnit, t);
      default:
        return item[key];
    }
  };

  return (
    <PageLayout menu={<ReportsMenu />} breadcrumbs={['reportTitle', 'reportSummary']}>
      <ReportFilter handleSubmit={handleSubmit}>
        <div className={classes.item}>
          <FormControl variant="filled" fullWidth>
            <InputLabel>{t('sharedType')}</InputLabel>
            <Select value={daily} onChange={(e) => setDaily(e.target.value)}>
              <MenuItem value={false}>{t('reportSummary')}</MenuItem>
              <MenuItem value>{t('reportDaily')}</MenuItem>
            </Select>
          </FormControl>
        </div>
        <ColumnSelect columns={columns} setColumns={setColumns} columnsArray={columnsArray} />
      </ReportFilter>
      <TableContainer>
        <Table>
          <TableHead>
            <TableRow>
              {columns.map((key) => (<TableCell>{t(columnsMap.get(key))}</TableCell>))}
            </TableRow>
          </TableHead>
          <TableBody>
            {items.map((item) => (
              <TableRow key={item.id}>
                {columns.map((key) => (
                  <TableCell>
                    {formatValue(item, key)}
                  </TableCell>
                ))}
              </TableRow>
            ))}
          </TableBody>
        </Table>
      </TableContainer>
    </PageLayout>
  );
};

export default SummaryReportPage;