// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.

import $ from 'jquery';
import * as AsyncClient from 'utils/async_client.jsx';
import * as GlobalActions from 'action_creators/global_actions.jsx';
import UserStore from 'stores/user_store.jsx';
import ChannelStore from 'stores/channel_store.jsx';
import BrowserStore from 'stores/browser_store.jsx';
import PreferenceStore from 'stores/preference_store.jsx';
import * as Utils from 'utils/utils.jsx';
import Constants from 'utils/constants.jsx';
const TutorialSteps = Constants.TutorialSteps;
const Preferences = Constants.Preferences;
import ErrorBar from 'components/error_bar.jsx';
import * as Websockets from 'action_creators/websocket_actions.jsx';
import LoadingScreen from 'components/loading_screen.jsx';

import {browserHistory} from 'react-router';

import SidebarRight from 'components/sidebar_right.jsx';
import SidebarRightMenu from 'components/sidebar_right_menu.jsx';
import Navbar from 'components/navbar.jsx';

// Modals
import GetPostLinkModal from 'components/get_post_link_modal.jsx';
import GetTeamInviteLinkModal from 'components/get_team_invite_link_modal.jsx';
import EditPostModal from 'components/edit_post_modal.jsx';
import DeletePostModal from 'components/delete_post_modal.jsx';
import MoreChannelsModal from 'components/more_channels.jsx';
import TeamSettingsModal from 'components/team_settings_modal.jsx';
import RemovedFromChannelModal from 'components/removed_from_channel_modal.jsx';
import RegisterAppModal from 'components/register_app_modal.jsx';
import ImportThemeModal from 'components/user_settings/import_theme_modal.jsx';
import InviteMemberModal from 'components/invite_member_modal.jsx';
import SelectTeamModal from 'components/admin_console/select_team_modal.jsx';

const CLIENT_STATUS_INTERVAL = 30000;
const BACKSPACE_CHAR = 8;

import React from 'react';

export default class LoggedIn extends React.Component {
    constructor(params) {
        super(params);

        this.onUserChanged = this.onUserChanged.bind(this);

        this.state = {
            user: null,
            profiles: null
        };
    }
    isValidState() {
        return this.state.user != null && this.state.profiles != null;
    }
    onUserChanged() {
        // Grab the current user
        const user = UserStore.getCurrentUser();

        // Update segment indentify
        if (global.window.mm_config.SegmentDeveloperKey != null && global.window.mm_config.SegmentDeveloperKey !== '') {
            global.window.analytics.identify(user.id, {
                name: user.nickname,
                email: user.email,
                createdAt: user.create_at,
                username: user.username,
                team_id: user.team_id,
                id: user.id
            });
        }

        // Update CSS classes to match user theme
        if (user) {
            if ($.isPlainObject(user.theme_props) && !$.isEmptyObject(user.theme_props)) {
                Utils.applyTheme(user.theme_props);
            } else {
                Utils.applyTheme(Constants.THEMES.default);
            }
        }

        // Go to tutorial if we are first arrivign
        const tutorialStep = PreferenceStore.getInt(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), 999);
        if (tutorialStep <= TutorialSteps.INTRO_SCREENS) {
            browserHistory.push(Utils.getTeamURLFromAddressBar() + '/tutorial');
        }

        // Get profiles
        const profiles = UserStore.getProfiles();

        this.setState({
            user,
            profiles
        });
    }
    componentWillMount() {
        // Emit view action
        GlobalActions.viewLoggedIn();

        // Listen for user
        UserStore.addChangeListener(this.onUserChanged);

        // Initalize websockets
        Websockets.initialize();

        // Get all statuses regularally. (Soon to be switched to websocket)
        this.intervalId = setInterval(() => AsyncClient.getStatuses(), CLIENT_STATUS_INTERVAL);

        // Force logout of all tabs if one tab is logged out
        $(window).bind('storage', (e) => {
            // when one tab on a browser logs out, it sets __logout__ in localStorage to trigger other tabs to log out
            if (e.originalEvent.key === '__logout__' && e.originalEvent.storageArea === localStorage && e.originalEvent.newValue) {
                // make sure it isn't this tab that is sending the logout signal (only necessary for IE11)
                if (BrowserStore.isSignallingLogout(e.originalEvent.newValue)) {
                    return;
                }

                console.log('detected logout from a different tab'); //eslint-disable-line no-console
                browserHistory.push('/' + this.props.params.team);
            }

            if (e.originalEvent.key === '__login__' && e.originalEvent.storageArea === localStorage && e.originalEvent.newValue) {
                // make sure it isn't this tab that is sending the logout signal (only necessary for IE11)
                if (BrowserStore.isSignallingLogin(e.originalEvent.newValue)) {
                    return;
                }

                console.log('detected login from a different tab'); //eslint-disable-line no-console
                location.reload();
            }
        });

        // Because current CSS requires the root tag to have specific stuff
        $('#root').attr('class', 'channel-view');

        // ???
        $('body').on('mouseenter mouseleave', '.post', function mouseOver(ev) {
            if (ev.type === 'mouseenter') {
                $(this).parent('div').prev('.date-separator, .new-separator').addClass('hovered--after');
                $(this).parent('div').next('.date-separator, .new-separator').addClass('hovered--before');
            } else {
                $(this).parent('div').prev('.date-separator, .new-separator').removeClass('hovered--after');
                $(this).parent('div').next('.date-separator, .new-separator').removeClass('hovered--before');
            }
        });

        $('body').on('mouseenter mouseleave', '.search-item__container .post', function mouseOver(ev) {
            if (ev.type === 'mouseenter') {
                $(this).closest('.search-item__container').find('.date-separator').addClass('hovered--after');
                $(this).closest('.search-item__container').next('div').find('.date-separator').addClass('hovered--before');
            } else {
                $(this).closest('.search-item__container').find('.date-separator').removeClass('hovered--after');
                $(this).closest('.search-item__container').next('div').find('.date-separator').removeClass('hovered--before');
            }
        });

        $('body').on('mouseenter mouseleave', '.post.post--comment.same--root', function mouseOver(ev) {
            if (ev.type === 'mouseenter') {
                $(this).parent('div').prev('.date-separator, .new-separator').addClass('hovered--comment');
                $(this).parent('div').next('.date-separator, .new-separator').addClass('hovered--comment');
            } else {
                $(this).parent('div').prev('.date-separator, .new-separator').removeClass('hovered--comment');
                $(this).parent('div').next('.date-separator, .new-separator').removeClass('hovered--comment');
            }
        });

        // Device tracking setup
        var iOS = (/(iPad|iPhone|iPod)/g).test(navigator.userAgent);
        if (iOS) {
            $('body').addClass('ios');
        }

        // Set up tracking for whether the window is active
        window.isActive = true;
        $(window).on('focus', () => {
            AsyncClient.updateLastViewedAt();
            ChannelStore.resetCounts(ChannelStore.getCurrentId());
            ChannelStore.emitChange();
            window.isActive = true;
        });
        $(window).on('blur', () => {
            window.isActive = false;
        });

        // if preferences have already been stored in local storage do not wait until preference store change is fired and handled in channel.jsx
        const selectedFont = PreferenceStore.get(Constants.Preferences.CATEGORY_DISPLAY_SETTINGS, 'selected_font', Constants.DEFAULT_FONT);
        Utils.applyFont(selectedFont);

        // Pervent backspace from navigating back a page
        $(window).on('keydown.preventBackspace', (e) => {
            if (e.which === BACKSPACE_CHAR && !$(e.target).is('input, textarea')) {
                e.preventDefault();
            }
        });
    }
    componentWillUnmount() {
        $('#root').attr('class', '');
        clearInterval(this.intervalId);

        $(window).off('focus');
        $(window).off('blur');

        Websockets.close();
        UserStore.removeChangeListener(this.onUserChanged);

        $('body').off('click.userpopover');
        $('body').off('mouseenter mouseleave', '.post');
        $('body').off('mouseenter mouseleave', '.post.post--comment.same--root');

        $('.modal').off('show.bs.modal');

        $(window).off('keydown.preventBackspace');
    }
    render() {
        if (!this.isValidState()) {
            return <LoadingScreen/>;
        }

        let content = [];
        if (this.props.children) {
            content = this.props.children;
        } else {
            content.push(
                this.props.navbar
            );
            content.push(
                this.props.sidebar
            );
            content.push(
                <div
                    key='inner-wrap'
                    className='inner-wrap channel__wrap'
                >
                    <div className='row header'>
                        <div id='navbar'>
                            <Navbar/>
                        </div>
                    </div>
                    <div className='row main'>
                        {React.cloneElement(this.props.center, {
                            user: this.state.user,
                            profiles: this.state.profiles
                        })}
                    </div>
                </div>
            );
        }
        return (
            <div className='channel-view'>
                <ErrorBar/>
                <div className='container-fluid'>
                    <SidebarRight/>
                    <SidebarRightMenu/>
                    {content}

                    <GetPostLinkModal/>
                    <GetTeamInviteLinkModal/>
                    <InviteMemberModal/>
                    <ImportThemeModal/>
                    <TeamSettingsModal/>
                    <MoreChannelsModal/>
                    <EditPostModal/>
                    <DeletePostModal/>
                    <RemovedFromChannelModal/>
                    <RegisterAppModal/>
                    <SelectTeamModal/>
                </div>
            </div>
        );
    }
}

LoggedIn.defaultProps = {
};

LoggedIn.propTypes = {
    children: React.PropTypes.oneOfType([
        React.PropTypes.arrayOf(React.PropTypes.element),
        React.PropTypes.element
    ]),
    navbar: React.PropTypes.element,
    sidebar: React.PropTypes.element,
    center: React.PropTypes.element,
    params: React.PropTypes.object
};
