odoo.define('web.AbstractWebClient', function (require) {
"use strict";

var ActionManager = require('web.ActionManager');
var core = require('web.core');
var crash_manager = require('web.crash_manager');
var Loading = require('web.Loading');
var NotificationManager = require('web.notification').NotificationManager;
var session = require('web.session');
var utils = require('web.utils');
var Widget = require('web.Widget');

var _t = core._t;

var WebClient = Widget.extend({
    custom_events: {
        notification: function (e) {
            if(this.notification_manager) {
                this.notification_manager.notify(e.data.title, e.data.message, e.data.sticky);
            }
        },
        warning: function (e) {
            if(this.notification_manager) {
                this.notification_manager.warn(e.data.title, e.data.message, e.data.sticky);
            }
        },
        clear_uncommitted_changes: function (e) {
            this.clear_uncommitted_changes().then(e.data.callback);
        },
        toggle_fullscreen: function (event) {
            this.toggle_fullscreen(event.data.fullscreen);
        },
    },
    init: function(parent, client_options) {
        this.client_options = {};
        this._super(parent);
        this.origin = undefined;
        if (client_options) {
            _.extend(this.client_options, client_options);
        }
        this._current_state = null;
        this.menu_dm = new utils.DropMisordered();
        this.action_mutex = new utils.Mutex();
        this.set('title_part', {"zopenerp": "Odoo"});
    },
    start: function() {
        var self = this;

        this.on("change:title_part", this, this._title_changed);
        this._title_changed();

        return session.session_bind(this.origin)
            .then(function () {
                self.bind_events();
                return $.when(
                    self.set_action_manager(),
                    self.set_notification_manager(),
                    self.set_loading()
                );
            }).then(function () {
                if (session.session_is_valid()) {
                    return self.show_application();
                } else {
                    // database manager needs the webclient to keep going even
                    // though it has no valid session
                    return $.when();
                }
            }).then(function () {
                if (self.client_options.action) {
                    self.do_action(self.client_options.action);
                    delete(self.client_options.action);
                }
                core.bus.trigger('web_client_ready');
            });
    },
    bind_events: function() {
        var self = this;
        $('.oe_systray').show();
        this.$el.on('mouseenter', '.oe_systray > div:not([data-toggle=tooltip])', function() {
            $(this).attr('data-toggle', 'tooltip').tooltip().trigger('mouseenter');
        });
        this.$el.on('click', '.oe_dropdown_toggle', function(ev) {
            ev.preventDefault();
            var $toggle = $(this);
            var doc_width = $(document).width();
            var $menu = $toggle.siblings('.oe_dropdown_menu');
            $menu = $menu.size() >= 1 ? $menu : $toggle.find('.oe_dropdown_menu');
            var state = $menu.is('.oe_opened');
            setTimeout(function() {
                // Do not alter propagation
                $toggle.add($menu).toggleClass('oe_opened', !state);
                if (!state) {
                    // Move $menu if outside window's edge
                    var offset = $menu.offset();
                    var menu_width = $menu.width();
                    var x = doc_width - offset.left - menu_width - 2;
                    if (x < 0) {
                        $menu.offset({ left: offset.left + x }).width(menu_width);
                    }
                }
            }, 0);
        });
        core.bus.on('click', this, function(ev) {
            $('.tooltip').remove();
            if (!$(ev.target).is('input[type=file]')) {
                self.$('.oe_dropdown_menu.oe_opened, .oe_dropdown_toggle.oe_opened').removeClass('oe_opened');
            }
        });
        core.bus.on('connection_lost', this, this.on_connection_lost);
        core.bus.on('connection_restored', this, this.on_connection_restored);

        // crash manager integration
        session.on('error', crash_manager, crash_manager.rpc_error);
        window.onerror = function (message, file, line, col, error) {
            var traceback = error ? error.stack : '';
            crash_manager.show_error({
                type: _t("Client Error"),
                message: message,
                data: {debug: file + ':' + line + "\n" + _t('Traceback:') + "\n" + traceback}
            });
        };
    },
    set_action_manager: function() {
        this.action_manager = new ActionManager(this, {webclient: this});
        return this.action_manager.appendTo(this.$('.o_main_content'));
    },
    set_notification_manager: function() {
        this.notification_manager = new NotificationManager(this);
        return this.notification_manager.appendTo(this.$el);
    },
    set_loading: function() {
        this.loading = new Loading(this);
        return this.loading.appendTo(this.$el);
    },
    show_application: function() {
    },
    clear_uncommitted_changes: function() {
        var def = $.Deferred().resolve();
        core.bus.trigger('clear_uncommitted_changes', function chain_callbacks(callback) {
            def = def.then(callback);
        });
        return def;
    },
    destroy_content: function() {
        _.each(_.clone(this.getChildren()), function(el) {
            el.destroy();
        });
        this.$el.children().remove();
    },
    // --------------------------------------------------------------
    // Window title handling
    // --------------------------------------------------------------
    /**
       Sets the first part of the title of the window, dedicated to the current action.
    */
    set_title: function(title) {
       this.set_title_part("action", title);
    },
    /**
       Sets an arbitrary part of the title of the window. Title parts are identified by strings. Each time
       a title part is changed, all parts are gathered, ordered by alphabetical order and displayed in the
       title of the window separated by '-'.
    */
    set_title_part: function(part, title) {
        var tmp = _.clone(this.get("title_part"));
        tmp[part] = title;
        this.set("title_part", tmp);
    },
    _title_changed: function() {
        var parts = _.sortBy(_.keys(this.get("title_part")), function(x) { return x; });
        var tmp = "";
        _.each(parts, function(part) {
            var str = this.get("title_part")[part];
            if (str) {
                tmp = tmp ? tmp + " - " + str : str;
            }
        }, this);
        document.title = tmp;
    },
    // --------------------------------------------------------------
    // do_*
    // --------------------------------------------------------------
    /**
     * When do_action is performed on the WebClient, forward it to the main ActionManager
     * This allows to widgets that are not inside the ActionManager to perform do_action
     */
    do_action: function() {
        return this.action_manager.do_action.apply(this, arguments);
    },
    do_reload: function() {
        var self = this;
        return this.session.session_reload().then(function () {
            session.load_modules(true).then(
                self.menu.proxy('do_reload'));
        });
    },
    do_push_state: function(state) {
        if ('title' in state) {
            this.set_title(state.title);
            delete state.title;
        }
        var url = '#' + $.param(state);
        this._current_state = $.deparam($.param(state), false); // stringify all values
        $.bbq.pushState(url);
        this.trigger('state_pushed', state);
    },
    // --------------------------------------------------------------
    // Connection notifications
    // --------------------------------------------------------------
    on_connection_lost: function () {
        this.connection_notification = this.notification_manager.notify(
            _t('Connection lost'),
            _t('Trying to reconnect...'),
            true
        );
    },
    on_connection_restored: function () {
        if (this.connection_notification) {
            this.connection_notification.destroy();
            this.notification_manager.notify(
                _t('Connection restored'),
                _t('You are back online'),
                false
            );
            this.connection_notification = false;
        }
    },
    // --------------------------------------------------------------
    // Scrolltop handling
    // --------------------------------------------------------------
    get_scrollTop: function () {
    },
    //--------------------------------------------------------------
    // Misc.
    //--------------------------------------------------------------
    toggle_fullscreen: function(fullscreen) {
        this.$el.toggleClass('o_fullscreen', fullscreen);
    },
});

return WebClient;

});