package jetbrains.buildServer.serverSide;

import org.jetbrains.annotations.NotNull;
import org.json.JSONException;
import org.json.JSONWriter;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;

/**
 * @author Eugene Petrenko
 *         Created: 31.03.2010 13:04:57
 */
public class ChatMessagesCollection implements JSONAble{
  private final Collection<ChatMessage> myMessages;
  private final int myLastMessageId;
  private final UserContext myUserNames;
  private final TimeFactory myTimeFactory;
  private final Collection<Integer> myRoomIds;

  public ChatMessagesCollection(int lastMessageId, Collection<ChatMessage> messages, UserContext userNames, TimeFactory timeFactory, Collection<Integer> roomIds) {
    myLastMessageId = lastMessageId;
    myMessages = messages;
    myUserNames = userNames;
    myTimeFactory = timeFactory;
    myRoomIds = new ArrayList<Integer>(roomIds);
  }

  public int getLastMessageId() {
    return myLastMessageId;
  }

  private boolean getDisableChat() {
    for (ChatMessage message : myMessages) {

      if (message.isDisableChat() && myUserNames.isMe(message.getToUser())) return true;
    }
    return false;
  }

  @NotNull
  public Collection<ChatMessage> getMessages() {
    return Collections.unmodifiableCollection(myMessages);
  }

  public void writeJSON(JSONWriter w) throws JSONException {
    w.object();
    w.key("nextRequestId").value(getLastMessageId());
    w.key("disableChat").value(getDisableChat());
    w.key("messages").array();
    for (ChatMessage message : myMessages) {
      message.writeJSON(myUserNames, myTimeFactory, w);
    }
    w.endArray();
    w.key("rooms").array();
    for (Integer id : myRoomIds) {
      w.value(id);
    }
    w.endArray();
    w.endObject();
  }
}