/*
 * Copyright 2008-2022 Async-IO.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.
 */
package org.nettosphere.samples.chat;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.atmosphere.config.service.Get;
import org.atmosphere.config.service.ManagedService;
import org.atmosphere.config.service.Message;
import org.atmosphere.cpr.AtmosphereResource;
import org.atmosphere.cpr.AtmosphereResourceEvent;
import org.atmosphere.cpr.AtmosphereResourceEventListenerAdapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.Date;

@ManagedService(path = "/chat")
public class Chat {
    private final ObjectMapper mapper = new ObjectMapper();
    private final Logger logger = LoggerFactory.getLogger(Chat.class);

    @Get
    public void onOpen(final AtmosphereResource r) {
        r.addEventListener(new AtmosphereResourceEventListenerAdapter() {
            @Override
            public void onSuspend(AtmosphereResourceEvent event) {
                logger.info("User {} connected.", r.uuid());
            }

            @Override
            public void onDisconnect(AtmosphereResourceEvent event) {
                if (event.isCancelled()) {
                    logger.info("User {} unexpectedly disconnected", r.uuid());
                } else if (event.isClosedByClient()) {
                    logger.info("User {} closed the connection", r.uuid());
                }
            }
        });
    }

    @Message
    public String onMessage(String message) throws IOException {
        return mapper.writeValueAsString(mapper.readValue(message, Data.class));
    }

    public final static class Data {

        private String message;
        private String author;
        private long time;

        public Data() {
            this("", "");
        }

        public Data(String author, String message) {
            this.author = author;
            this.message = message;
            this.time = new Date().getTime();
        }

        public String getMessage() {
            return message;
        }

        public String getAuthor() {
            return author;
        }

        public void setAuthor(String author) {
            this.author = author;
        }

        public void setMessage(String message) {
            this.message = message;
        }

        public long getTime() {
            return time;
        }

        public void setTime(long time) {
            this.time = time;
        }

    }
}
