/*
 * Copyright 2015-present Open Networking Laboratory
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 ONOS GUI -- Port View Module
 */

(function () {
    'use strict';

    // injected references
    var $log, $scope, $location, fs, tbs, wss, ns, ps;

    var nz = 'nzFilter',
        del = 'showDelta';

    // internal state
    var nzFilter = true,
        showDelta = false;

    var defaultPortPrefsState = {
        nzFilter :  1,
        showDelta : 0,
    };

    var prefsState = {};

    function updatePrefsState(what, b) {
        prefsState[what] = b ? 1 : 0;
        ps.setPrefs('port_prefs', prefsState);
    }

    function toggleNZState(b) {
        if (b === undefined) {
            nzFilter = !nzFilter;
        } else {
            nzFilter = b;
        }
        updatePrefsState(nz, nzFilter);
    }

    function toggleDeltaState(b) {
        if (b === undefined) {
            showDelta = !showDelta;
        } else {
            showDelta = b;
        }
        updatePrefsState(del, b);
    }

    function restoreConfigFromPrefs() {
        prefsState = ps.asNumbers(
            ps.getPrefs('port_prefs', defaultPortPrefsState)
        );

        $log.debug('Port - Prefs State:', prefsState);
        toggleDeltaState(prefsState.showDelta);
        toggleNZState(prefsState.nzFilter);
    }

    angular.module('ovPort', [])
    .controller('OvPortCtrl',
        ['$log', '$scope', '$location',
            'FnService', 'TableBuilderService', 'WebSocketService', 'NavService',
            'PrefsService',

        function (_$log_, _$scope_, _$location_, _fs_, _tbs_, _wss_, _ns_, _ps_) {
            var params;
            var tableApi;
            $log = _$log_;
            $scope = _$scope_;
            $location = _$location_;
            fs = _fs_;
            tbs = _tbs_;
            wss = _wss_;
            ns = _ns_;
            ps = _ps_;

            $scope.deviceTip = 'Show device table';
            $scope.flowTip = 'Show flow view for this device';
            $scope.groupTip = 'Show group view for this device';
            $scope.meterTip = 'Show meter view for selected device';
            $scope.toggleDeltaTip = 'Toggle port delta statistics';
            $scope.toggleNZTip = 'Toggle non zero port statistics';

            params = $location.search();
            if (params.hasOwnProperty('devId')) {
                $scope.devId = params['devId'];
            }

            $scope.payloadParams = {
                nzFilter: nzFilter,
                showDelta: showDelta
            };

            tableApi = tbs.buildTable({
                scope: $scope,
                tag: 'port',
                query: params
            });

            function filterToggleState() {
                return {
                    nzFilter: nzFilter,
                    showDelta: showDelta
                };
            }

            $scope.nav = function (path) {
                if ($scope.devId) {
                    ns.navTo(path, { devId: $scope.devId });
                }
            };

            $scope.toggleNZ = function () {
                toggleNZState();
                $scope.payloadParams = filterToggleState();
                tableApi.forceRefesh();
            };

            $scope.toggleDelta = function () {
                toggleDeltaState();
                $scope.payloadParams = filterToggleState();
                tableApi.forceRefesh();
            };

            $scope.isDelta = function() {
                return showDelta;
            };

            $scope.isNZ = function() {
                return nzFilter;
            };

             Object.defineProperty($scope, "queryFilter", {
                 get: function() {
                     var out = {};
                     out[$scope.queryBy || "$"] = $scope.query;
                     return out;
                 }
             });

            restoreConfigFromPrefs();
            $log.log('OvPortCtrl has been created');
        }]);
}());