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/*
 * Juick
 * Copyright (C) 2008-2011, Ugnich Anton
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.juick.json;

import com.juick.Message;
import com.juick.Photo;
import com.juick.Tag;
import com.juick.util.DateFormattersHolder;
import org.apache.commons.lang3.StringUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.ParseException;
import java.util.stream.Collectors;

/**
 * @author Ugnich Anton
 */
public class MessageSerializer extends JSONSerializer<Message> {
    private final static Logger LOGGER = LoggerFactory.getLogger(MessageSerializer.class);

    UserSerializer userSerializer = new UserSerializer();
    PlaceSerializer placeSerializer = new PlaceSerializer();

    public MessageSerializer() {
    }

    @Override
    public Message deserialize(JSONObject json) throws JSONException, ParseException {
        com.juick.Message jmsg = new com.juick.Message();
        jmsg.setMid(json.getInt("mid"));
        if (json.has("rid")) {
            jmsg.setRid(json.getInt("rid"));
        }
        if (json.has("replyto")) {
            jmsg.setReplyto(json.getInt("replyto"));
        }

        jmsg.FriendsOnly = json.has("friendsonly");
        jmsg.ReadOnly = json.has("readonly");

        jmsg.setText(json.getString("body").replace("&quot;", "\""));
        jmsg.setUser(userSerializer.deserialize(json.getJSONObject("user")));

        jmsg.setDate(DateFormattersHolder.getMessageFormatterInstance().parse(json.getString("timestamp")));

        if (json.has("tags")) {
            JSONArray tags = json.getJSONArray("tags");
            for (int n = 0; n < tags.length(); n++) {
                jmsg.getTags().add(new Tag(tags.getString(n).replace("&quot;", "\"")));
            }
        }

        if (json.has("replies")) {
            jmsg.setReplies(json.getInt("replies"));
        }

        if (json.has("photo")) {
            JSONObject obj = json.getJSONObject("photo");
            Photo photo = new Photo();
            photo.setSmall(obj.getString("small"));
            photo.setMedium(obj.getString("medium"));
            photo.setThumbnail(obj.getString("thumbnail"));
            jmsg.setPhoto(photo);
        }

        return jmsg;
    }

    @Override
    public JSONObject serialize(Message msg) {
        JSONObject json = new JSONObject();

        try {
            if (msg.getMid() > 0) {
                json.put("mid", msg.getMid());
            }
            if (msg.getRid() > 0) {
                json.put("rid", msg.getRid());
            }
            if (msg.getReplyto() > 0) {
                json.put("replyto", msg.getReplyto());
            }
            if (msg.FriendsOnly) {
                json.put("friendsonly", 1);
            }
            if (msg.ReadOnly) {
                json.put("readonly", 1);
            }
            if (msg.getText() != null) {
                json.put("body", msg.getText());
            }
            if (msg.getDate() != null) {
                json.put("timestamp", DateFormattersHolder.getMessageFormatterInstance().format(msg.getDate()));
            }
            if (msg.getUser() != null) {
                json.put("user", userSerializer.serialize(msg.getUser()));
            }
            if (msg.getTags() != null && msg.getTags().size() > 0) {
                json.put("tags", new JSONArray(msg.getTags().stream().map(Tag::getName).collect(Collectors.toList())));
            }
            if (msg.getReplies() > 0) {
                json.put("replies", msg.getReplies());
            }
            if (msg.Place != null) {
                json.put("place", placeSerializer.serialize(msg.Place));
            }
            if (msg.getAttachmentType() != null) {
                json.put("attach", msg.getAttachmentType());
                String fname = msg.getMid() + (msg.getRid() > 0 ? "-" + msg.getRid() : StringUtils.EMPTY) + "." + msg.getAttachmentType();
                JSONObject photo = new JSONObject();
                String protocol = getUriScheme() == URIScheme.Plain ? "http:" : "https:";
                photo.put("thumbnail", protocol + "//i.juick.com/ps/" + fname);
                photo.put("small", protocol + "//i.juick.com/photos-512/" + fname);
                photo.put("medium", protocol + "//i.juick.com/photos-1024/" + fname);
                json.put("photo", photo);
            }
        } catch (JSONException e) {
            LOGGER.error("JSON Exception", e);
        }

        return json;
    }
}