/*
 * Copyright 2005-2007 WSO2, Inc. http://www.wso2.org
 *
 * 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.
 */

this.documentation =
    <div>The RESTSample service demonstrate the use of httpmethod and httpLocation annotations to develop RESTy mashups.</div>;
this.scope="application";
var cities;

initialise.visible = false;
function initialise()
{
    cities = session.get("cities");
    if ( cities == null )
    {
        var cities = [];
        session.put( "cities", cities );
    }
}

getWeather.safe = true;
getWeather.httpMethod = "GET";
getWeather.httpLocation = "weather";
getWeather.inputTypes = "none";
getWeather.outputType = "string";
function listWeather()
{
    initialise();

    var weatherlist = new XML();
    weatherlist = <weatherlist/>;

    cities = session.get("cities");
    for ( var i = 0; i < cities.length; i++ )
    {
        var weatheritem = new XML();
        weatheritem = <weatheritem/>;
        weatheritem.@city = cities[i];
        weatheritem.@weather = session.get(cities[i]);
        weatherlist.appendChild( weatheritem );
    }

    return weatherlist.toXMLString();
}

getWeather.safe = true;
getWeather.httpMethod = "GET";
getWeather.httpLocation = "weather/{city}";
getWeather.inputTypes = "string";
getWeather.outputType = "string";
function getWeather(city)
{
    initialise();
    var details = session.get(city);
    if (details == null) {
       throw ("Cannot find weather details of city " + city + ".")
    }
    return details;
}

postWeather.httpMethod = "POST";
postWeather.httpLocation = "weather/{city}";
postWeather.inputTypes = {"city" : "string",
"weatherDetails" : "string"};
postWeather.outputType = "string";
function postWeather(city, weatherDetails)
{
    initialise();
    var details = session.get(city);
    if (details != null) {
       throw ("Weather details of city " + city + " already exists.")
    }
    session.put(city ,weatherDetails);

    cities = session.get("cities");
    cities[cities.length] = city;

    return city;
}

deleteWeather.httpMethod = "DELETE";
deleteWeather.httpLocation = "weather/{city}";
deleteWeather.inputTypes = "string";
deleteWeather.outputType = "string";
function deleteWeather(city)
{
    initialise();
    var details = session.get(city);
    if (details == null) {
       throw ("Cannot find weather details of city " + city + " to delete.")
    }
    session.remove(city);

    cities = session.get("cities");
    for ( var i = 0; i < cities.length; i++ )
    {
        if ( cities[i] == city )
        {
            cities.splice(i,1);
            break;
        }
    }

    return city;
}

putWeather.httpMethod = "PUT";
putWeather.httpLocation = "weather/{city}";
putWeather.inputTypes = {"city" : "string",
"weatherDetails" : "string"};
putWeather.outputType = "string";
function putWeather(city, weatherDetails)
{
    initialise();
    var details = session.get(city);
    if (details == null) {
       throw ("Cannot find weather details of city " + city + " to update.")
    }
    session.put(city ,weatherDetails);
    return city;
}