import React, { useState, useEffect, Fragment } from 'react';
import {
  Box,
  Drawer,
  IconButton,
  Toolbar,
  Typography,
  AppBar,
  useMediaQuery,
  Divider,
  List,
  ListItem,
  ListItemText,
  useTheme,
  ListItemAvatar,
  Stack,
  Button,
  Checkbox,
  Skeleton,
  Backdrop,
  Chip
} from '@mui/material';

import MenuIcon from '@mui/icons-material/Menu';
import SearchBar from 'components/nearle_components/SearchBar';
import { useQuery } from '@tanstack/react-query';
import Loader from 'components/Loader';

import RiderLocationMap from './RiderLocationMap';
import MainCard from 'components/MainCard';
import dayjs from 'dayjs';
import TaskAltIcon from '@mui/icons-material/TaskAlt';

import error500 from 'assets/images/maintenance/Error500.png';
import { fetchRidersLogs } from '../api/api';
import CircularLoader from 'components/nearle_components/CircularLoader';

const drawerWidth = 350;

const RidersLogs = () => {
  const theme = useTheme();
  const isDesktop = useMediaQuery('(min-width:900px)');
  const [open, setOpen] = useState(false);
  const [selectedRiders, setSelectedRiders] = useState([]);
  const [riderSearch, setRiderSearch] = useState('');
  const appId = 1;
  const {
    data: riders,
    isLoading: ridersIsLoading,
    isFetching: riderIsFetching,
    refetch: riderLogsRefetch,
    error: riderLogsError
  } = useQuery({
    queryKey: [appId, dayjs().format('YYYY-MM-DD'), riderSearch],
    queryFn: fetchRidersLogs,
    refetchInterval: 5 * 60 * 1000
  });

  useEffect(() => {
    console.log('riders', riders);
    // const sortedRiders = riders?.sort((a, b) => a.firstname.localeCompare(b.firstname));
    setSelectedRiders(riders);
  }, [riders]);

  useEffect(() => {
    console.log('selectedRiders', selectedRiders);
  }, [selectedRiders]);

  useEffect(() => {
    setOpen(isDesktop);
  }, [isDesktop]);

  return (
    <Fragment>
      {
        <Backdrop
          sx={{
            color: '#fff',
            zIndex: (theme) => theme.zIndex.drawer + 1
          }}
          open={ridersIsLoading || riderIsFetching} // when loader = true, backdrop covers the page
        >
          <CircularLoader color="inherit" />
        </Backdrop>
      }
      <MainCard content={false}>
        <Box sx={{ display: 'flex', width: '100%', height: '100%', position: 'relative' }}>
          {/* Drawer */}
          <Drawer
            variant={isDesktop ? 'persistent' : 'temporary'}
            open={open}
            onClose={() => !isDesktop && setOpen(false)}
            ModalProps={{ keepMounted: true }}
            sx={{
              '& .MuiDrawer-paper': {
                width: drawerWidth,
                position: 'absolute',
                left: 0,
                top: 0,
                height: '100%',
                overflowY: 'auto',
                transition: 'transform 0.35s ease-in-out',
                zIndex: 13
              }
            }}
          >
            {/* Search */}
            <Box sx={{ position: 'sticky', top: 0, zIndex: 1 }}>
              <SearchBar
                value={riderSearch}
                placeholder="Search Rider"
                onChange={(e) => setRiderSearch(e.target.value)}
                sx={{
                  height: 60,
                  bgcolor: 'white',
                  '& .MuiOutlinedInput-notchedOutline': {
                    borderBottom: '1px solid',
                    borderColor: theme.palette.secondary.light
                  }
                }}
              />
              <List>
                <ListItem sx={{ cursor: 'pointer', '&:hover': { bgcolor: theme.palette.secondary.lighter }, bgcolor: 'white', mt: -1 }}>
                  <ListItemAvatar>
                    <Checkbox
                      checked={riders?.length == selectedRiders?.length}
                      onChange={(e) => {
                        if (e.target.checked) {
                          setSelectedRiders(riders);
                        }
                      }}
                    />
                  </ListItemAvatar>
                  <ListItemText primary="All" />
                </ListItem>
                <Divider />
              </List>
            </Box>
            {/* Rider List */}
            <List>
              {/* Individuals */}
              {ridersIsLoading || riderIsFetching
                ? Array.from({ length: 10 }).map((_, index) => (
                    <Fragment key={index}>
                      <ListItem sx={{ py: 1.5, px: 2 }}>
                        <ListItemAvatar>
                          <Skeleton variant="circular" width={24} height={24} />
                        </ListItemAvatar>

                        <ListItemText
                          primary={<Skeleton variant="text" width="60%" height={22} />}
                          secondary={<Skeleton variant="text" width="40%" height={18} />}
                        />

                        <Stack spacing={0.5} textAlign="right">
                          <Skeleton variant="text" width={50} height={18} />
                          <Skeleton variant="text" width={80} height={16} />
                        </Stack>
                      </ListItem>

                      <Divider />
                    </Fragment>
                  ))
                : riders?.map((row) => {
                    return (
                      <Fragment key={row.userid}>
                        <ListItem
                          sx={{
                            cursor: 'pointer',
                            py: 1,
                            px: 2,
                            borderRadius: 1,
                            '&:hover': { bgcolor: theme.palette.secondary.lighter }
                          }}
                          secondaryAction={
                            <Stack textAlign="right" spacing={0.5}>
                              <Typography variant="body2" noWrap sx={{ color: row.status == 'active' ? 'success.main' : 'error.main' }}>
                                {row.userid}
                              </Typography>
                              <Typography variant="caption" color="text.secondary" noWrap>
                                {dayjs(row.logdate).format('DD/MM/YYYY hh:mm A')}
                              </Typography>
                            </Stack>
                          }
                        >
                          <ListItemAvatar>
                            <Checkbox
                              sx={{
                                color: row.status == 'active' ? 'green' : 'red',
                                '&.Mui-checked': {
                                  color: row.status == 'active' ? 'green' : 'red'
                                }
                              }}
                              checked={
                                // INDIVIDUAL CHECKED CONDITION
                                selectedRiders?.length === 1 && selectedRiders[0]?.userid === row?.userid
                              }
                              onChange={(e) => {
                                if (e.target.checked) {
                                  // SELECT ONE RIDER
                                  setSelectedRiders([row]);
                                } else {
                                  // UNCHECK -> SELECT ALL
                                  setSelectedRiders(riders);
                                }
                              }}
                            />
                          </ListItemAvatar>

                          <ListItemText
                            primary={
                              row.username ? (
                                <Typography noWrap>
                                  {row.username?.slice(0, 25) || ''}
                                  {row.username?.length > 25 && '...'}
                                  {/* {row.status === 'active' && <TaskAltIcon fontSize="small" color="success" sx={{ ml: 1 }} />} */}
                                </Typography>
                              ) : (
                                <Typography noWrap>
                                  {row.firstname || ''}
                                  {row.lastname ? ` ${row.lastname}` : ''}
                                </Typography>
                              )
                            }
                            secondary={
                              <Typography variant="caption" color="text.secondary" noWrap>
                                {row.contactno || '##########'}
                              </Typography>
                            }
                          />
                        </ListItem>

                        <Divider />
                      </Fragment>
                    );
                  })}
            </List>
          </Drawer>

          {/* AppBar */}
          <AppBar
            elevation={0}
            position="absolute"
            sx={{
              top: 0,
              left: open && isDesktop ? `${drawerWidth}px` : 0,
              width: open && isDesktop ? `calc(100% - ${drawerWidth}px)` : '100%',
              transition: 'left 0.3s ease, width 0.3s ease',
              backgroundColor: 'white',
              borderBottom: '1px solid',
              borderColor: theme.palette.secondary.light
            }}
          >
            <Toolbar>
              <Stack direction="row" alignItems="center" justifyContent="space-between" sx={{ width: '100%' }}>
                <Stack direction="row" alignItems="center">
                  <IconButton color="primary" onClick={() => setOpen(!open)}>
                    <MenuIcon />
                  </IconButton>

                  <Typography variant="h5" color="primary" sx={{ ml: 2 }}>
                    Riders Locations
                  </Typography>
                </Stack>

                <Button
                  variant="outlined"
                  color="primary"
                  onClick={() => {
                    riderLogsRefetch();
                  }}
                >
                  Refresh
                </Button>
              </Stack>
            </Toolbar>
          </AppBar>

          {/* Map */}
          <Box
            sx={{
              flexGrow: 1,
              overflow: 'auto',
              pt: '64px',
              pl: open && isDesktop ? `${drawerWidth}px` : 0,
              transition: 'padding-left 0.3s ease',
              minHeight: '80vh'
            }}
          >
            {(ridersIsLoading || riderIsFetching) && (
              <Box position="relative" width="100%" height="80vh" display="grid" placeItems="center">
                {/* <CircularLoader /> */}
                <Skeleton
                  variant="rectangular"
                  width="100%"
                  height="100%"
                  animation="wave"
                  sx={{
                    position: 'absolute',
                    top: 0,
                    left: 0,
                    borderRadius: 1,
                    zIndex: 1
                  }}
                />
              </Box>
            )}

            {selectedRiders?.length > 0 && <RiderLocationMap riderLocations={selectedRiders} />}
            {riderLogsError && (
              <Box sx={{ width: '100% ', height: '100%' }}>
                <img src={error500} alt="mantis" style={{ height: '100%', width: '100%' }} />
              </Box>
            )}
          </Box>
        </Box>
      </MainCard>
    </Fragment>
  );
};

export default RidersLogs;