import { Component } from 'react';
import { connect } from 'react-redux';
import Avatar from '@mui/material/Avatar';
import Box from '@mui/material/Box';
import IconButton from '@mui/material/IconButton';
import Menu from '@mui/material/Menu';
import MenuItem from '@mui/material/MenuItem';
import ListItemIcon from '@mui/material/ListItemIcon';
import ListItemText from '@mui/material/ListItemText';
import LogoutIcon from '@mui/icons-material/Logout';
import BusinessIcon from '@mui/icons-material/Business';
import { StorageManagerContext } from '../api/storageManager';
import { logout } from '../store/authSlice';
import CompanySettingsDialog from './CompanySettingsDialog';
import { notifyError } from '../utils/notify';

class UserMenu extends Component {
  static contextType = StorageManagerContext;

  constructor(props) {
    super(props);
    this.state = {
      anchorEl: null,
      settingsOpen: false,
      user: null,
    };
    this.handleOpenMenu = this.handleOpenMenu.bind(this);
    this.handleCloseMenu = this.handleCloseMenu.bind(this);
    this.handleOpenSettings = this.handleOpenSettings.bind(this);
    this.handleCloseSettings = this.handleCloseSettings.bind(this);
    this.handleLogout = this.handleLogout.bind(this);
  }

  componentDidMount() {
    void this.loadUser();
  }

  async loadUser() {
    try {
      const session = await this.context.authMePromise;
      this.setState({ user: session.user });
    } catch (err) {
      notifyError(err);
    }
  }

  handleOpenMenu(event) {
    this.setState({ anchorEl: event.currentTarget });
  }

  handleCloseMenu() {
    this.setState({ anchorEl: null });
  }

  handleOpenSettings() {
    this.setState({ anchorEl: null, settingsOpen: true });
  }

  handleCloseSettings() {
    this.setState({ settingsOpen: false });
  }

  async handleLogout() {
    this.setState({ anchorEl: null });
    try {
      await this.props.logout().unwrap();
      await this.context.updateAuthMe();
    } catch (err) {
      notifyError(err);
    }
  }

  render() {
    const { user, anchorEl, settingsOpen } = this.state;
    const open = Boolean(anchorEl);

    return (
      <>
        <Box sx={{ px: 1.5, py: 1.5, alignSelf: 'flex-start' }}>
          <IconButton
            onClick={this.handleOpenMenu}
            onMouseDown={(e) => e.preventDefault()}
            sx={{ p: 0, width: 32, height: 32, borderRadius: '50%' }}
          >
            <Avatar src={user?.picture} alt={user?.email} sx={{ width: 32, height: 32 }}>
              {user?.email?.[0]?.toUpperCase()}
            </Avatar>
          </IconButton>
        </Box>
        <Menu
          anchorEl={anchorEl}
          open={open}
          onClose={this.handleCloseMenu}
          anchorOrigin={{ vertical: 'top', horizontal: 'left' }}
          transformOrigin={{ vertical: 'bottom', horizontal: 'left' }}
        >
          <MenuItem disabled>{user?.email}</MenuItem>
          <MenuItem disabled={!user?.selectedCompanyId} onClick={this.handleOpenSettings}>
            <ListItemIcon>
              <BusinessIcon fontSize="small" />
            </ListItemIcon>
            <ListItemText>Unternehmen</ListItemText>
          </MenuItem>
          <MenuItem onClick={this.handleLogout}>
            <ListItemIcon>
              <LogoutIcon fontSize="small" />
            </ListItemIcon>
            <ListItemText>Sign out</ListItemText>
          </MenuItem>
        </Menu>
        <CompanySettingsDialog open={settingsOpen} onClose={this.handleCloseSettings} />
      </>
    );
  }
}

const mapDispatchToProps = (dispatch) => ({
  logout: () => dispatch(logout()),
});

export default connect(null, mapDispatchToProps)(UserMenu);