/*
ImdnFragment.java
Copyright (C) 2010-2018  Belledonne Communications, Grenoble, France

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

package org.linphone.chat;

import android.app.Fragment;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

import org.linphone.LinphoneManager;
import org.linphone.LinphoneUtils;
import org.linphone.R;
import org.linphone.activities.LinphoneActivity;
import org.linphone.compatibility.Compatibility;
import org.linphone.contacts.ContactsManager;
import org.linphone.contacts.LinphoneContact;
import org.linphone.core.Address;
import org.linphone.core.ChatMessage;
import org.linphone.core.ChatMessageListenerStub;
import org.linphone.core.ChatRoom;
import org.linphone.core.ChatRoomSecurityLevel;
import org.linphone.core.Core;
import org.linphone.core.ParticipantImdnState;
import org.linphone.core.PresenceActivity;
import org.linphone.core.PresenceModel;
import org.linphone.core.ProxyConfig;
import org.linphone.core.ZrtpPeerStatus;

import static org.linphone.LinphoneUtils.getSecurityLevelForSipUri;
import static org.linphone.LinphoneUtils.getZrtpStatus;

public class ImdnFragment extends Fragment {
	private LayoutInflater mInflater;
	private LinearLayout mRead, mReadHeader, mDelivered, mDeliveredHeader, mSent, mSentHeader, mUndelivered, mUndeliveredHeader;
	private ImageView mBackButton;
	private ChatBubbleViewHolder mBubble;
	private ViewGroup mContainer;

	private String mRoomUri, mMessageId;
	private Address mRoomAddr;
	private ChatRoom mRoom;
	private ChatMessage mMessage;
	private ChatMessageListenerStub mListener;

	@Nullable
	@Override
	public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		LinphoneActivity.instance().hideTabBar(true);

		if (getArguments() != null) {
			mRoomUri = getArguments().getString("SipUri");
			mRoomAddr = LinphoneManager.getLc().createAddress(mRoomUri);
			mMessageId = getArguments().getString("MessageId");
		}
		Core core = LinphoneManager.getLcIfManagerNotDestroyedOrNull();
		Address proxyConfigContact = core.getDefaultProxyConfig().getContact();
		if (proxyConfigContact != null) {
			mRoom = core.findOneToOneChatRoom(proxyConfigContact, mRoomAddr);
		}
		if (mRoom == null) {
			mRoom = core.getChatRoomFromUri(mRoomAddr.asStringUriOnly());
		}

		mInflater = inflater;
		mContainer = container;
		View view = mInflater.inflate(R.layout.chat_imdn, container, false);

		mBackButton = view.findViewById(R.id.back);
		mBackButton.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View view) {
				if (LinphoneActivity.instance().isTablet()) {
					LinphoneActivity.instance().goToChat(mRoomUri, null);
				} else {
					LinphoneActivity.instance().popBackStack();
				}
			}
		});

		mRead = view.findViewById(R.id.read_layout);
		mDelivered = view.findViewById(R.id.delivered_layout);
		mSent = view.findViewById(R.id.sent_layout);
		mUndelivered = view.findViewById(R.id.undelivered_layout);
		mReadHeader = view.findViewById(R.id.read_layout_header);
		mDeliveredHeader = view.findViewById(R.id.delivered_layout_header);
		mSentHeader = view.findViewById(R.id.sent_layout_header);
		mUndeliveredHeader = view.findViewById(R.id.undelivered_layout_header);

		mBubble = new ChatBubbleViewHolder(view.findViewById(R.id.bubble));
		mBubble.eventLayout.setVisibility(View.GONE);
		mBubble.bubbleLayout.setVisibility(View.VISIBLE);
		mBubble.delete.setVisibility(View.GONE);
		mBubble.messageText.setVisibility(View.GONE);
		mBubble.messageImage.setVisibility(View.GONE);
		mBubble.fileTransferLayout.setVisibility(View.GONE);
		mBubble.fileName.setVisibility(View.GONE);
		mBubble.openFileButton.setVisibility(View.GONE);
		mBubble.messageStatus.setVisibility(View.GONE);
		mBubble.messageSendingInProgress.setVisibility(View.GONE);
		mBubble.imdmLayout.setVisibility(View.INVISIBLE);
		mBubble.contactPicture.setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());

		mMessage = mRoom.findMessage(mMessageId);
		mListener = new ChatMessageListenerStub() {
			@Override
			public void onParticipantImdnStateChanged(ChatMessage msg, ParticipantImdnState state) {
				refreshInfo();
			}
		};
		mMessage.setListener(mListener);

		RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
		layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
		layoutParams.setMargins(100, 10, 10, 10);
		if (mMessage.isOutgoing()) {
			mBubble.background.setBackgroundColor(0x26ff6600);
			Compatibility.setTextAppearance(mBubble.contactName, getActivity(), R.style.font3);
			Compatibility.setTextAppearance(mBubble.fileTransferAction, getActivity(), R.style.font15);
			mBubble.fileTransferAction.setBackgroundResource(R.drawable.resizable_confirm_delete_button);
			mBubble.contactPictureMask.setImageResource(R.drawable.avatar_chat_mask_outgoing);
		} else {
			mBubble.background.setBackgroundColor(0x19595959);
			Compatibility.setTextAppearance(mBubble.contactName, getActivity(), R.style.font9);
			Compatibility.setTextAppearance(mBubble.fileTransferAction, getActivity(), R.style.font8);
			mBubble.fileTransferAction.setBackgroundResource(R.drawable.resizable_assistant_button);
			mBubble.contactPictureMask.setImageResource(R.drawable.avatar_chat_mask);
		}

		return view;
	}

	@Override
	public void onResume() {
		super.onResume();

		refreshInfo();
	}

	private void setPictureForContact(ImageView img, Address sipUri, LinphoneContact contact) {
		ProxyConfig prx = LinphoneManager.getLc().getDefaultProxyConfig();
		Address ourUri = (prx != null) ? prx.getIdentityAddress() : null;
		ChatRoomSecurityLevel securityLevel = getSecurityLevelForSipUri(LinphoneManager.getLc(), ourUri, sipUri);
		if (securityLevel == ChatRoomSecurityLevel.Safe) {
			img.setImageResource(R.drawable.avatar_big_secure2);
		} else if (securityLevel == ChatRoomSecurityLevel.Unsafe) {
			img.setImageResource(R.drawable.avatar_big_unsecure);
		} else if (securityLevel == ChatRoomSecurityLevel.Encrypted) {
			img.setImageResource(R.drawable.avatar_big_secure1);
		} else {
			ZrtpPeerStatus zrtpStatus = getZrtpStatus(LinphoneManager.getLc(), contact.getFriend().getAddress().asStringUriOnly());
			if (zrtpStatus == ZrtpPeerStatus.Valid) {
				img.setImageResource(R.drawable.avatar_medium_secure2);
			} else if (zrtpStatus == ZrtpPeerStatus.Invalid) {
				img.setImageResource(R.drawable.avatar_medium_unsecure);
			} else {
				if (!ContactsManager.getInstance().isContactPresenceDisabled() && contact != null && contact.getFriend() != null) {
					PresenceModel presenceModel = contact.getFriend().getPresenceModel();
					if (presenceModel != null) {
						img.setImageResource(R.drawable.avatar_medium_secure1);
					} else {
						img.setImageResource(R.drawable.avatar_medium_unregistered);
					}
				} else {
					img.setImageResource(R.drawable.avatar_medium_unregistered);
				}
			}
		}
	}

	private void refreshInfo() {
		Address remoteSender = mMessage.getFromAddress();
		LinphoneContact contact = ContactsManager.getInstance().findContactFromAddress(remoteSender);
		String displayName;

		if (contact != null) {
			if (contact.getFullName() != null) {
				displayName = contact.getFullName();
			} else {
				displayName = LinphoneUtils.getAddressDisplayName(remoteSender);
			}

			mBubble.contactPicture.setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
			if (contact.hasPhoto()) {
				LinphoneUtils.setThumbnailPictureFromUri(getActivity(), mBubble.contactPicture, contact.getThumbnailUri());
			}
		} else {
			displayName = LinphoneUtils.getAddressDisplayName(remoteSender);
			mBubble.contactPicture.setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
		}
		mBubble.contactName.setText(LinphoneUtils.timestampToHumanDate(getActivity(), mMessage.getTime(), R.string.messages_date_format, true) + " - " + displayName);

		if (mMessage.hasTextContent()) {
			String msg = mMessage.getTextContent();
			Spanned text = LinphoneUtils.getTextWithHttpLinks(msg);
			mBubble.messageText.setText(text);
			mBubble.messageText.setMovementMethod(LinkMovementMethod.getInstance());
			mBubble.messageText.setVisibility(View.VISIBLE);
		}

		String appData = (mMessage.getContents().length > 0) ? mMessage.getContents()[0].getFilePath() : "";
		if (appData != null) { // Something to display
			mBubble.fileName.setVisibility(View.VISIBLE);
			mBubble.fileName.setText(LinphoneUtils.getNameFromFilePath(appData));
			// We purposely chose not to display the image
		}

		mRead.removeAllViews();
		mDelivered.removeAllViews();
		mSent.removeAllViews();
		mUndelivered.removeAllViews();

		ParticipantImdnState[] participants = mMessage.getParticipantsByImdnState(ChatMessage.State.Displayed);
		mReadHeader.setVisibility(participants.length == 0 ? View.GONE : View.VISIBLE);
		boolean first = true;
		for (ParticipantImdnState participant : participants) {
			Address address = participant.getParticipant().getAddress();

			LinphoneContact participantContact = ContactsManager.getInstance().findContactFromAddress(address);
			String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);

			View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
			v.findViewById(R.id.separator).setVisibility(View.VISIBLE);
			((TextView)v.findViewById(R.id.time)).setText(LinphoneUtils.timestampToHumanDate(getActivity(), participant.getStateChangeTime(), R.string.messages_date_format, true));
			((TextView)v.findViewById(R.id.name)).setText(participantDisplayName);
			/*if (participantContact != null && participantContact.hasPhoto()) {
				LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView)v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
			} else {
				((ImageView)v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
			}*/
			setPictureForContact(((ImageView)v.findViewById(R.id.contact_picture)), address, participantContact);

			mRead.addView(v);
			first = false;
		}

		participants = mMessage.getParticipantsByImdnState(ChatMessage.State.DeliveredToUser);
		mDeliveredHeader.setVisibility(participants.length == 0 ? View.GONE : View.VISIBLE);
		first = true;
		for (ParticipantImdnState participant : participants) {
			Address address = participant.getParticipant().getAddress();

			LinphoneContact participantContact = ContactsManager.getInstance().findContactFromAddress(address);
			String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);

			View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
			v.findViewById(R.id.separator).setVisibility(View.VISIBLE);
			((TextView)v.findViewById(R.id.time)).setText(LinphoneUtils.timestampToHumanDate(getActivity(), participant.getStateChangeTime(), R.string.messages_date_format, true));
			((TextView)v.findViewById(R.id.name)).setText(participantDisplayName);
			/*if (participantContact != null && participantContact.hasPhoto()) {
				LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView)v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
			} else {
				((ImageView)v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
			}*/
			setPictureForContact(((ImageView)v.findViewById(R.id.contact_picture)), address, participantContact);

			mDelivered.addView(v);
			first = false;
		}

		participants = mMessage.getParticipantsByImdnState(ChatMessage.State.Delivered);
		mSentHeader.setVisibility(participants.length == 0 ? View.GONE : View.VISIBLE);
		first = true;
		for (ParticipantImdnState participant : participants) {
			Address address = participant.getParticipant().getAddress();

			LinphoneContact participantContact = ContactsManager.getInstance().findContactFromAddress(address);
			String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);

			View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
			v.findViewById(R.id.separator).setVisibility(View.VISIBLE);
			((TextView)v.findViewById(R.id.time)).setText(LinphoneUtils.timestampToHumanDate(getActivity(), participant.getStateChangeTime(), R.string.messages_date_format, true));
			((TextView)v.findViewById(R.id.name)).setText(participantDisplayName);
			/*if (participantContact != null && participantContact.hasPhoto()) {
				LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView)v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
			} else {
				((ImageView)v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
			}*/
			setPictureForContact(((ImageView)v.findViewById(R.id.contact_picture)), address, participantContact);

			mSent.addView(v);
			first = false;
		}

		participants = mMessage.getParticipantsByImdnState(ChatMessage.State.NotDelivered);
		mUndeliveredHeader.setVisibility(participants.length == 0 ? View.GONE : View.VISIBLE);
		first = true;
		for (ParticipantImdnState participant : participants) {
			Address address = participant.getParticipant().getAddress();

			LinphoneContact participantContact = ContactsManager.getInstance().findContactFromAddress(address);
			String participantDisplayName = participantContact != null ? participantContact.getFullName() : LinphoneUtils.getAddressDisplayName(address);

			View v = mInflater.inflate(R.layout.chat_imdn_cell, mContainer, false);
			v.findViewById(R.id.separator).setVisibility(View.VISIBLE);
			((TextView)v.findViewById(R.id.name)).setText(participantDisplayName);
			/*if (participantContact != null && participantContact.hasPhoto()) {
				LinphoneUtils.setThumbnailPictureFromUri(getActivity(), ((ImageView)v.findViewById(R.id.contact_picture)), participantContact.getThumbnailUri());
			} else {
				((ImageView)v.findViewById(R.id.contact_picture)).setImageBitmap(ContactsManager.getInstance().getDefaultAvatarBitmap());
			}*/
			setPictureForContact(((ImageView)v.findViewById(R.id.contact_picture)), address, participantContact);

			mUndelivered.addView(v);
			first = false;
		}
	}
}