import PropTypes from 'prop-types';

import React, { Component } from 'react';

import { connect } from 'react-redux';

import { bindActionCreators } from 'redux';

// import logo from './logo.svg';

import { Navbar, Nav, NavItem, NavDropdown, MenuItem } from 'react-bootstrap';

import * as authActions from '../actions/authActions';

class AppNavbar extends Component {

  onClickHome = (e) => {

    e.preventDefault();

    this.props.history.push('/');

  }

  onClickSessions = (e) => {

    e.preventDefault();

    this.props.history.push('/sessions');

  }

  onClickLogin = (e) => {

    e.preventDefault();

    this.props.history.push('/login');

  }

  onClickLogout = (e) => {

    e.preventDefault();

    this.props.authActions.logout();

  }

  renderLogin() {

    if (this.props.currentUser) {

      return (

        <NavDropdown title={ this.props.currentUser.username } id="user-dropdown">

          <MenuItem onClick={this.onClickLogout}>Logout</MenuItem>

        </NavDropdown>

      );

    }

    return (

      <NavItem onClick={this.onClickLogin} href="/login">Login</NavItem>

    );

  }

  render() {

    return (

      <Navbar fluid inverse fixedTop>

        <Navbar.Header>

          <Navbar.Brand>

            <a onClick={this.onClickHome} href="/">IRI Notes</a>

          </Navbar.Brand>

          <Navbar.Toggle />

        </Navbar.Header>

        <Navbar.Collapse>

          <Nav>

            <NavItem onClick={this.onClickSessions} href="/sessions">Sessions</NavItem>

          </Nav>

          <Nav pullRight>

            {this.renderLogin()}

          </Nav>

        </Navbar.Collapse>

      </Navbar>

    );

  }

}

AppNavbar.propTypes = {

  isAuthenticated: PropTypes.bool.isRequired

};

function mapStateToProps(state, props) {

  return {

    isAuthenticated: state.get('isAuthenticated'),

    currentUser: state.get('currentUser'),

  };

}

function mapDispatchToProps(dispatch) {

  return {

    authActions: bindActionCreators(authActions, dispatch),

  }

}

export default connect(mapStateToProps, mapDispatchToProps)(AppNavbar);