/**
 * Created by robin on 12/11/16.
 */

(function () {
    'use strict';
    angular.module('luticate2Utils')
        .factory('luWebApiCrudDataAccess', ['luWebApiDataAccess', '$q', 'luUtilsDataAccess', 'luDataInitializer',
            function (luWebApiDataAccess, $q, luUtilsDataAccess, luDataInitializer) {

            var luWebApiCrudDataAccess = {};

            luWebApiCrudDataAccess.create = function (entry_point) {
                var DataAccess = luWebApiDataAccess.create(entry_point);

                DataAccess.OP_EDIT = 'OP_EDIT';
                DataAccess.OP_ADD = 'OP_ADD';

                DataAccess.TYPE_DBO = 'TYPE_DBO';
                DataAccess.TYPE_MODEL = 'TYPE_MODEL';

                DataAccess.defaultDbo = {
                    id: null,
                    createdAt: null,
                    updatedAt: null,
                    toString: function()
                    {
                        return this.id;
                    }
                };


                DataAccess.modelInitializer = luDataInitializer.create(function(model, op)
                {
                    return DataAccess.initModel(model, op);
                });

                DataAccess.dboInitializer = luDataInitializer.create(function(dbo, type)
                {
                    return DataAccess.initDbo(dbo, type);
                });


                DataAccess._initModel = function(model, op)
                {
                    if (model == null) {
                        return null;
                    }
                    model = angular.copy(model);
                    delete model.id;
                    delete model.updatedAt;
                    delete model.createdAt;
                    delete model._itemType;
                    delete model.toString;
                    return model;
                };

                DataAccess.initModel = function(model, op)
                {
                    return DataAccess._initModel(model, op);
                };


                DataAccess._initDbo = function(model, type)
                {
                    if (model == null) {
                        return null;
                    }
                    var dbo = DataAccess.extendDeep({}, angular.copy(DataAccess.defaultDbo), model);
                    if (type == DataAccess.TYPE_MODEL) {
                        dbo.createdAt = luUtilsDataAccess.stringToMomentDateTime(dbo.createdAt);
                        dbo.updatedAt = luUtilsDataAccess.stringToMomentDateTime(dbo.updatedAt);
                    }
                    return dbo;
                };

                DataAccess.initDbo = function(model, type)
                {
                    return DataAccess._initDbo(model, type);
                };

                DataAccess.extendDeep = function extendDeep(dst) {
                    angular.forEach(arguments, function(obj) {
                        if (obj !== dst) {
                            angular.forEach(obj, function(value, key) {
                                if (dst[key] && dst[key].constructor && dst[key].constructor === Object) {
                                    extendDeep(dst[key], value);
                                } else {
                                    dst[key] = value;
                                }
                            });
                        }
                    });
                    return dst;
                };
                
                
                
                DataAccess.getSingleById = function (id, luBusyGroups) {
                    return DataAccess.dboInitializer.thenInitData(DataAccess.get(id, null, luBusyGroups), DataAccess.TYPE_MODEL);
                };

                DataAccess.getMultiple = function (orderBy, filter, page, perPage, luBusyGroups) {
                    return DataAccess.dboInitializer.thenInitPaginatedData(DataAccess.get('', {
                        orderBy: orderBy,
                        filter: filter,
                        page: page,
                        perPage: perPage
                    }, luBusyGroups), DataAccess.TYPE_MODEL);
                };

                DataAccess.addDbo = function(data, luBusyGroups) {
                    var model = DataAccess.modelInitializer.initData(data, DataAccess.OP_ADD);
                    return DataAccess.dboInitializer.thenInitData(DataAccess.post('', null, model, luBusyGroups), DataAccess.TYPE_MODEL);
                };

                DataAccess.editSingleByIdDbo = function(id, data, luBusyGroups) {
                    var model = DataAccess.modelInitializer.initData(data, DataAccess.OP_EDIT);
                    return DataAccess.dboInitializer.thenInitData(DataAccess.post(id, null, model, luBusyGroups), DataAccess.TYPE_MODEL);
                };

                DataAccess.deleteDbo = function(id, luBusyGroups) {
                    return DataAccess.dboInitializer.thenInitData(DataAccess.delete(id, null, null, luBusyGroups), DataAccess.TYPE_MODEL);
                };

                return DataAccess;
            };

            return luWebApiCrudDataAccess;

        }]);
})();