/*
    Copyright (C) 2016  PencilBlue, LLC

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';

//dependencies
var util = require('../util.js');

module.exports = function ReadOnlySimpleLayeredServiceModule(pb) {

    /**
     * Service to set storage services as read only
     *
     * @module Services
     * @submodule Storage
     * @class ReadOnlySimpleLayeredService
     * @constructor
     * @param {Array} services Array of services
     * @param {String} [name]  The name to assign to this service
     */
    function ReadOnlySimpleLayeredService(services, name){
        this.services = services;
        this.name     = name ? name : 'ReadOnlySimpleLayeredService';

        //convert services
        for (var i = 0; i < this.services.length; i++) {
            ReadOnlySimpleLayeredService.makeReadOnly(this.services[i]);
        }

        if (pb.log.isDebug()) {
            this.logInitialization();
        }
    }

    //inheritance
    util.inherits(ReadOnlySimpleLayeredService, pb.SimpleLayeredService);

    /**
     *
     * @method set
     * @param {String} key
     * @param {*} value
     * @param {Function} cb
     */
    ReadOnlySimpleLayeredService.prototype.set = function(key, value, cb) {
        cb(new Error(this.name+": This service is readonly"), null);
    };

    /**
     *
     * @static
     * @method makeReadOnly
     * @param {EntityService} serviceInstance
     */
    ReadOnlySimpleLayeredService.makeReadOnly = function(serviceInstance) {
        serviceInstance.set = function(key, value, cb) {
            cb(new Error(this.name+": This service is readonly"), null);
        };
    };

    return ReadOnlySimpleLayeredService;
};