import { useEffect, useRef, useState } from 'react';

// material-ui
import { useTheme } from '@mui/material/styles';
import { AppBar, Box, ClickAwayListener, IconButton, Paper, Popper, Toolbar } from '@mui/material';

// project import
import Search from './Search';
import Profile from './Profile';
import Transitions from 'components/@extended/Transitions';

// assets
import { MoreOutlined } from '@ant-design/icons';

// ==============================|| HEADER CONTENT - MOBILE ||============================== //

const MobileSection = () => {
  const theme = useTheme();

  const [open, setOpen] = useState(false);
  const anchorRef = useRef(null);

  const handleToggle = () => {
    setOpen((prevOpen) => !prevOpen);
  };

  const handleClose = (event) => {
    if (anchorRef.current && anchorRef.current.contains(event.target)) {
      return;
    }

    setOpen(false);
  };

  const prevOpen = useRef(open);
  useEffect(() => {
    if (prevOpen.current === true && open === false) {
      anchorRef.current.focus();
    }

    prevOpen.current = open;
  }, [open]);

  return (
    <>
      <Box sx={{ flexShrink: 0, ml: 0.75 }}>
        <IconButton
        component="span"
        disableRipple
        sx={{
          bgcolor: open ? 'grey.300' : 'grey.100',

          /* WCAG 2.4.7 – visible keyboard focus */
          '&:focus-visible': {
            outline: '3px solid #0C489E',
            outlineOffset: '2px',
            borderRadius: '6px'
          }
        }}
        ref={anchorRef}
        aria-controls={open ? 'menu-list-grow' : undefined}
        aria-haspopup="true"
        onClick={handleToggle}
        color="inherit"
      >
        <MoreOutlined />
      </IconButton>
      </Box>
      <Popper
        placement="bottom-end"
        open={open}
        anchorEl={anchorRef.current}
        role={undefined}
        transition
        disablePortal
        style={{
          width: '100%'
        }}
        popperOptions={{
          modifiers: [
            {
              name: 'offset',
              options: {
                offset: [0, 9]
              }
            }
          ]
        }}
      >
        {({ TransitionProps }) => (
          <Transitions type="fade" in={open} {...TransitionProps}>
            <Paper sx={{ boxShadow: theme.customShadows.z1 }}>
              <ClickAwayListener onClickAway={handleClose}>
                <AppBar color="inherit">
                  <Toolbar>
                    <Search />
                    <Profile />
                  </Toolbar>
                </AppBar>
              </ClickAwayListener>
            </Paper>
          </Transitions>
        )}
      </Popper>
    </>
  );
};

export default MobileSection;