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package eu.siacs.conversations.entities;

import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;

public class Message extends AbstractEntity {

	public static final String TABLENAME = "messages";

	public static final int STATUS_RECEPTION_FAILED = -3;
	public static final int STATUS_RECEIVED_OFFER = -2;
	public static final int STATUS_RECEIVING = -1;
	public static final int STATUS_RECEIVED = 0;
	public static final int STATUS_UNSEND = 1;
	public static final int STATUS_SEND = 2;
	public static final int STATUS_SEND_FAILED = 3;
	public static final int STATUS_SEND_REJECTED = 4;
	public static final int STATUS_WAITING = 5;
	public static final int STATUS_OFFERED = 6;
	public static final int STATUS_SEND_RECEIVED = 7;
	public static final int STATUS_SEND_DISPLAYED = 8;

	public static final int ENCRYPTION_NONE = 0;
	public static final int ENCRYPTION_PGP = 1;
	public static final int ENCRYPTION_OTR = 2;
	public static final int ENCRYPTION_DECRYPTED = 3;
	public static final int ENCRYPTION_DECRYPTION_FAILED = 4;

	public static final int TYPE_TEXT = 0;
	public static final int TYPE_IMAGE = 1;
	public static final int TYPE_AUDIO = 2;
	public static final int TYPE_STATUS = 3;
	public static final int TYPE_PRIVATE = 4;

	public static String CONVERSATION = "conversationUuid";
	public static String COUNTERPART = "counterpart";
	public static String TRUE_COUNTERPART = "trueCounterpart";
	public static String BODY = "body";
	public static String TIME_SENT = "timeSent";
	public static String ENCRYPTION = "encryption";
	public static String STATUS = "status";
	public static String TYPE = "type";
	public static String REMOTE_MSG_ID = "remoteMsgId";

	protected String conversationUuid;
	protected String counterpart;
	protected String trueCounterpart;
	protected String body;
	protected String encryptedBody;
	protected long timeSent;
	protected int encryption;
	protected int status;
	protected int type;
	protected boolean read = true;
	protected String remoteMsgId = null;

	protected transient Conversation conversation = null;

	protected transient Downloadable downloadable = null;

	private Message() {

	}

	public Message(Conversation conversation, String body, int encryption) {
		this(java.util.UUID.randomUUID().toString(), conversation.getUuid(),
				conversation.getContactJid(), null, body, System
						.currentTimeMillis(), encryption,
				Message.STATUS_UNSEND, TYPE_TEXT, null);
		this.conversation = conversation;
	}

	public Message(Conversation conversation, String counterpart, String body,
			int encryption, int status) {
		this(java.util.UUID.randomUUID().toString(), conversation.getUuid(),
				counterpart, null, body, System.currentTimeMillis(),
				encryption, status, TYPE_TEXT, null);
		this.conversation = conversation;
	}

	public Message(String uuid, String conversationUUid, String counterpart,
			String trueCounterpart, String body, long timeSent, int encryption,
			int status, int type, String remoteMsgId) {
		this.uuid = uuid;
		this.conversationUuid = conversationUUid;
		this.counterpart = counterpart;
		this.trueCounterpart = trueCounterpart;
		this.body = body;
		this.timeSent = timeSent;
		this.encryption = encryption;
		this.status = status;
		this.type = type;
		this.remoteMsgId = remoteMsgId;
	}

	@Override
	public ContentValues getContentValues() {
		ContentValues values = new ContentValues();
		values.put(UUID, uuid);
		values.put(CONVERSATION, conversationUuid);
		values.put(COUNTERPART, counterpart);
		values.put(TRUE_COUNTERPART, trueCounterpart);
		values.put(BODY, body);
		values.put(TIME_SENT, timeSent);
		values.put(ENCRYPTION, encryption);
		values.put(STATUS, status);
		values.put(TYPE, type);
		values.put(REMOTE_MSG_ID, remoteMsgId);
		return values;
	}

	public String getConversationUuid() {
		return conversationUuid;
	}

	public Conversation getConversation() {
		return this.conversation;
	}

	public String getCounterpart() {
		return counterpart;
	}

	public Contact getContact() {
		if (this.conversation.getMode() == Conversation.MODE_SINGLE) {
			return this.conversation.getContact();
		} else {
			if (this.trueCounterpart == null) {
				return null;
			} else {
				Account account = this.conversation.getAccount();
				Contact contact = account.getRoster().getContact(
						this.trueCounterpart);
				if (contact.showInRoster()) {
					return contact;
				} else {
					return null;
				}
			}
		}
	}

	public String getBody() {
		return body;
	}

	public String getReadableBody(Context context) {
		if ((encryption == ENCRYPTION_PGP) && (type == TYPE_TEXT)) {
			return context.getText(R.string.encrypted_message_received)
					.toString();
		} else if ((encryption == ENCRYPTION_OTR) && (type == TYPE_IMAGE)) {
			return context.getText(R.string.encrypted_image_received)
					.toString();
		} else if (encryption == ENCRYPTION_DECRYPTION_FAILED) {
			return context.getText(R.string.decryption_failed).toString();
		} else if (type == TYPE_IMAGE) {
			return context.getText(R.string.image_file).toString();
		} else {
			return body.trim();
		}
	}

	public long getTimeSent() {
		return timeSent;
	}

	public int getEncryption() {
		return encryption;
	}

	public int getStatus() {
		return status;
	}

	public String getRemoteMsgId() {
		return this.remoteMsgId;
	}

	public void setRemoteMsgId(String id) {
		this.remoteMsgId = id;
	}

	public static Message fromCursor(Cursor cursor) {
		return new Message(cursor.getString(cursor.getColumnIndex(UUID)),
				cursor.getString(cursor.getColumnIndex(CONVERSATION)),
				cursor.getString(cursor.getColumnIndex(COUNTERPART)),
				cursor.getString(cursor.getColumnIndex(TRUE_COUNTERPART)),
				cursor.getString(cursor.getColumnIndex(BODY)),
				cursor.getLong(cursor.getColumnIndex(TIME_SENT)),
				cursor.getInt(cursor.getColumnIndex(ENCRYPTION)),
				cursor.getInt(cursor.getColumnIndex(STATUS)),
				cursor.getInt(cursor.getColumnIndex(TYPE)),
				cursor.getString(cursor.getColumnIndex(REMOTE_MSG_ID)));
	}

	public void setConversation(Conversation conv) {
		this.conversation = conv;
	}

	public void setStatus(int status) {
		this.status = status;
	}

	public boolean isRead() {
		return this.read;
	}

	public void markRead() {
		this.read = true;
	}

	public void markUnread() {
		this.read = false;
	}

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

	public void setEncryption(int encryption) {
		this.encryption = encryption;
	}

	public void setBody(String body) {
		this.body = body;
	}

	public String getEncryptedBody() {
		return this.encryptedBody;
	}

	public void setEncryptedBody(String body) {
		this.encryptedBody = body;
	}

	public void setType(int type) {
		this.type = type;
	}

	public int getType() {
		return this.type;
	}

	public void setPresence(String presence) {
		if (presence == null) {
			this.counterpart = this.counterpart.split("/")[0];
		} else {
			this.counterpart = this.counterpart.split("/")[0] + "/" + presence;
		}
	}

	public void setTrueCounterpart(String trueCounterpart) {
		this.trueCounterpart = trueCounterpart;
	}

	public String getPresence() {
		String[] counterparts = this.counterpart.split("/");
		if (counterparts.length == 2) {
			return counterparts[1];
		} else {
			if (this.counterpart.contains("/")) {
				return "";
			} else {
				return null;
			}
		}
	}

	public void setDownloadable(Downloadable downloadable) {
		this.downloadable = downloadable;
	}

	public Downloadable getDownloadable() {
		return this.downloadable;
	}

	public static Message createStatusMessage(Conversation conversation) {
		Message message = new Message();
		message.setType(Message.TYPE_STATUS);
		message.setConversation(conversation);
		return message;
	}

	public void setCounterpart(String counterpart) {
		this.counterpart = counterpart;
	}

	public boolean equals(Message message) {
		if ((this.remoteMsgId != null) && (this.body != null)
				&& (this.counterpart != null)) {
			return this.remoteMsgId.equals(message.getRemoteMsgId())
					&& this.body.equals(message.getBody())
					&& this.counterpart.equals(message.getCounterpart());
		} else {
			return false;
		}
	}

	public Message next() {
		int index = this.conversation.getMessages().indexOf(this);
		if (index < 0 || index >= this.conversation.getMessages().size() - 1) {
			return null;
		} else {
			return this.conversation.getMessages().get(index + 1);
		}
	}

	public Message prev() {
		int index = this.conversation.getMessages().indexOf(this);
		if (index <= 0 || index > this.conversation.getMessages().size()) {
			return null;
		} else {
			return this.conversation.getMessages().get(index - 1);
		}
	}

	public boolean mergable(Message message) {
		if (message == null) {
			return false;
		}
		return (message.getType() == Message.TYPE_TEXT
				&& message.getEncryption() != Message.ENCRYPTION_PGP
				&& this.getType() == message.getType()
				&& this.getEncryption() == message.getEncryption()
				&& this.getCounterpart().equals(message.getCounterpart())
				&& (message.getTimeSent() - this.getTimeSent()) <= (Config.MESSAGE_MERGE_WINDOW * 1000) && ((this
				.getStatus() == message.getStatus()) || ((this.getStatus() == Message.STATUS_SEND || this
				.getStatus() == Message.STATUS_SEND_RECEIVED) && (message
				.getStatus() == Message.STATUS_UNSEND
				|| message.getStatus() == Message.STATUS_SEND || message
					.getStatus() == Message.STATUS_SEND_DISPLAYED))));
	}

	public String getMergedBody() {
		Message next = this.next();
		if (this.mergable(next)) {
			return body.trim() + '\n' + next.getMergedBody();
		}
		return body.trim();
	}

	public int getMergedStatus() {
		Message next = this.next();
		if (this.mergable(next)) {
			return next.getMergedStatus();
		} else {
			return getStatus();
		}
	}

	public long getMergedTimeSent() {
		Message next = this.next();
		if (this.mergable(next)) {
			return next.getMergedTimeSent();
		} else {
			return getTimeSent();
		}
	}

	public boolean wasMergedIntoPrevious() {
		Message prev = this.prev();
		if (prev == null) {
			return false;
		} else {
			return prev.mergable(this);
		}
	}
}