package eu.siacs.conversations.ui;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.utils.UIHelper;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

public class ShareWithActivity extends XmppActivity {

	private LinearLayout conversations;
	private LinearLayout contacts;
	private boolean isImage = false;

	private UiCallback<Message> attachImageCallback = new UiCallback<Message>() {

		@Override
		public void userInputRequried(PendingIntent pi, Message object) {
			// TODO Auto-generated method stub

		}

		@Override
		public void success(Message message) {
			xmppConnectionService.sendMessage(message);
		}

		@Override
		public void error(int errorCode, Message object) {
			// TODO Auto-generated method stub

		}
	};

	@Override
	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.share_with);
		setTitle(getString(R.string.title_activity_sharewith));

		contacts = (LinearLayout) findViewById(R.id.contacts);
		conversations = (LinearLayout) findViewById(R.id.conversations);

	}

	public View createContactView(String name, String msgTxt, Bitmap bm) {
		View view = (View) getLayoutInflater().inflate(R.layout.contact, null);
		view.setBackgroundResource(R.drawable.greybackground);
		TextView contactName = (TextView) view
				.findViewById(R.id.contact_display_name);
		contactName.setText(name);
		TextView msg = (TextView) view.findViewById(R.id.contact_jid);
		msg.setText(msgTxt);
		ImageView imageView = (ImageView) view.findViewById(R.id.contact_photo);
		imageView.setImageBitmap(bm);
		return view;
	}

	@Override
	void onBackendConnected() {
		this.isImage = (getIntent().getType() != null && getIntent().getType()
				.startsWith("image/"));
		SharedPreferences preferences = PreferenceManager
				.getDefaultSharedPreferences(this);
		boolean useSubject = preferences.getBoolean("use_subject_in_muc", true);

		Set<Contact> displayedContacts = new HashSet<Contact>();
		conversations.removeAllViews();
		List<Conversation> convList = new ArrayList<Conversation>();
		xmppConnectionService.populateWithOrderedConversations(convList);
		Collections.sort(convList, new Comparator<Conversation>() {
			@Override
			public int compare(Conversation lhs, Conversation rhs) {
				return (int) (rhs.getLatestMessage().getTimeSent() - lhs
						.getLatestMessage().getTimeSent());
			}
		});
		for (final Conversation conversation : convList) {
			if (!isImage || conversation.getMode() == Conversation.MODE_SINGLE) {
				View view = createContactView(
						conversation.getName(useSubject),
						conversation.getLatestMessage().getBody().trim(),
						UIHelper.getContactPicture(conversation, 48,
								this.getApplicationContext(), false));
				view.setOnClickListener(new OnClickListener() {

					@Override
					public void onClick(View v) {
						share(conversation);
					}
				});
				conversations.addView(view);
				displayedContacts.add(conversation.getContact());
			}
		}
		contacts.removeAllViews();
		List<Contact> contactsList = new ArrayList<Contact>();
		for (Account account : xmppConnectionService.getAccounts()) {
			for (Contact contact : account.getRoster().getContacts()) {
				if (!displayedContacts.contains(contact)
						&& (contact.showInRoster())) {
					contactsList.add(contact);
				}
			}
		}

		Collections.sort(contactsList, new Comparator<Contact>() {
			@Override
			public int compare(Contact lhs, Contact rhs) {
				return lhs.getDisplayName().compareToIgnoreCase(
						rhs.getDisplayName());
			}
		});

		for (int i = 0; i < contactsList.size(); ++i) {
			final Contact con = contactsList.get(i);
			View view = createContactView(
					con.getDisplayName(),
					con.getJid(),
					UIHelper.getContactPicture(con, 48,
							this.getApplicationContext(), false));
			view.setOnClickListener(new OnClickListener() {

				@Override
				public void onClick(View v) {
					Conversation conversation = xmppConnectionService
							.findOrCreateConversation(con.getAccount(),
									con.getJid(), false);
					share(conversation);
				}
			});
			contacts.addView(view);
		}
	}

	private void share(final Conversation conversation) {
		String sharedText = null;
		if (isImage) {
			final Uri uri = (Uri) getIntent().getParcelableExtra(
					Intent.EXTRA_STREAM);
			selectPresence(conversation, new OnPresenceSelected() {
				@Override
				public void onPresenceSelected() {
					Toast.makeText(getApplicationContext(),
							getText(R.string.preparing_image),
							Toast.LENGTH_LONG).show();
					ShareWithActivity.this.xmppConnectionService
							.attachImageToConversation(conversation, uri,
									attachImageCallback);
					switchToConversation(conversation, null, true);
					finish();
				}
			});

		} else {
			sharedText = getIntent().getStringExtra(Intent.EXTRA_TEXT);
			switchToConversation(conversation, sharedText, true);
			finish();
		}

	}

}