/**

 * The MIT License (MIT)

 *

 * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

package org.apidesign.demo.chat.shared;

import net.java.html.json.ComputedProperty;

import net.java.html.json.Model;

import net.java.html.json.Property;

/** Generic model of communication between browser and a chat server.

 * The same code is then used on the server, on the client and even in unit 

 * tests.

 * 

 * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 */

@Model(className = "Message", properties = {

    @Property(name = "user", type = String.class),

    @Property(name = "comment", type = String.class),

    @Property(name = "since", type = long.class)    

})

class MessageImpl {

    @ComputedProperty static String at(long since) {

        long delta = since / 1000;

        if (delta <= 0) {

            return "Boot-time";

        }

        if (delta < 60) {

            return delta + "s";

        }

        delta /= 60;

        return delta + "min";

    }

    @Model(className = "Query", properties = {

        @Property(name = "messages", type = Message.class, array = true)

    })

    class QryMsgs {

    }

}