import React, { Component, PropTypes } from 'react';
import { connect } from 'react-redux';
import LoadingBar from 'react-redux-loading-bar';
import { logoutUser } from 'redux/nodes/auth/actions';
import { push } from 'react-router-redux';
import classnames from 'classnames';

import configInterface from 'interfaces/config';
import FlashMessage from 'components/flash_messages/FlashMessage';
import PersistentFlash from 'components/flash_messages/PersistentFlash';
import SiteNavHeader from 'components/side_panels/SiteNavHeader';
import SiteNavSidePanel from 'components/side_panels/SiteNavSidePanel';
import userInterface from 'interfaces/user';
import notificationInterface from 'interfaces/notification';
import { hideFlash } from 'redux/nodes/notifications/actions';

export class CoreLayout extends Component {
  static propTypes = {
    children: PropTypes.node,
    config: configInterface,
    dispatch: PropTypes.func,
    user: userInterface,
    fullWidthFlash: PropTypes.bool,
    isSmallNav: PropTypes.bool,
    notifications: notificationInterface,
    persistentFlash: PropTypes.shape({
      showFlash: PropTypes.bool.isRequired,
      message: PropTypes.string.isRequired,
    }).isRequired,
  };

  onLogoutUser = () => {
    const { dispatch } = this.props;

    dispatch(logoutUser());

    return false;
  }

  onNavItemClick = (path) => {
    return (evt) => {
      evt.preventDefault();

      const { dispatch } = this.props;

      if (path.indexOf('http') !== -1) {
        global.window.open(path, '_blank');

        return false;
      }

      dispatch(push(path));

      return false;
    };
  }

  onRemoveFlash = () => {
    const { dispatch } = this.props;

    dispatch(hideFlash);

    return false;
  }

  onUndoActionClick = (undoAction) => {
    return (evt) => {
      evt.preventDefault();

      const { dispatch } = this.props;
      const { onRemoveFlash } = this;

      dispatch(undoAction);

      return onRemoveFlash();
    };
  }

  render () {
    const {
      fullWidthFlash,
      notifications,
      children,
      config,
      persistentFlash,
      user,
      isSmallNav,
    } = this.props;
    const { onRemoveFlash, onUndoActionClick } = this;

    if (!user) return false;

    const { onLogoutUser, onNavItemClick } = this;
    const { pathname } = global.window.location;

    const siteNavClasses = classnames('site-nav', {
      'site-nav--small': isSmallNav,
    });

    const coreWrapperClasses = classnames('core-wrapper', {
      'core-wrapper--small': isSmallNav,
    });

    return (
      <div className="app-wrap">
        <LoadingBar />
        <nav className={siteNavClasses}>
          <SiteNavHeader
            config={config}
            onLogoutUser={onLogoutUser}
            onNavItemClick={onNavItemClick}
            user={user}
          />
          <SiteNavSidePanel
            config={config}
            onNavItemClick={onNavItemClick}
            pathname={pathname}
            user={user}
          />
        </nav>
        <div className={coreWrapperClasses}>
          {persistentFlash.showFlash && <PersistentFlash message={persistentFlash.message} />}
          <FlashMessage
            fullWidth={fullWidthFlash}
            notification={notifications}
            onRemoveFlash={onRemoveFlash}
            onUndoActionClick={onUndoActionClick}
          />
          {children}
        </div>
      </div>
    );
  }
}

const mapStateToProps = (state) => {
  const {
    app: {
      config,
      isSmallNav,
    },
    auth: { user },
    notifications,
    persistentFlash,
  } = state;

  const fullWidthFlash = !user;

  return {
    config,
    fullWidthFlash,
    isSmallNav,
    notifications,
    persistentFlash,
    user,
  };
};

export default connect(mapStateToProps)(CoreLayout);