/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
// @flow
import React from 'react';
import { connect } from 'react-redux';
import GlobalLoading from './GlobalLoading';
import { fetchCurrentUser } from '../../store/users/actions';
import { fetchLanguages, fetchAppState, fetchOrganizations } from '../../store/rootActions';

class App extends React.Component {
  mounted: boolean;

  static propTypes = {
    fetchAppState: React.PropTypes.func.isRequired,
    fetchCurrentUser: React.PropTypes.func.isRequired,
    fetchLanguages: React.PropTypes.func.isRequired,
    fetchOrganizations: React.PropTypes.func.isRequired,
    children: React.PropTypes.element.isRequired
  };

  state = {
    loading: true
  };

  finishLoading = () => {
    if (this.mounted) {
      this.setState({ loading: false });
    }
  };

  componentDidMount() {
    this.mounted = true;

    this.props
      .fetchCurrentUser()
      .then(() =>
        Promise.all([
          this.props.fetchAppState(),
          this.props.fetchOrganizations(),
          this.props.fetchLanguages()
        ]))
      .then(this.finishLoading, this.finishLoading);
  }

  componentWillUnmount() {
    this.mounted = false;
  }

  render() {
    if (this.state.loading) {
      return <GlobalLoading />;
    }

    return this.props.children;
  }
}

export default connect(null, {
  fetchAppState,
  fetchCurrentUser,
  fetchLanguages,
  fetchOrganizations
})(App);