package de.thedevstack.conversationsplus.ui.adapter;

import android.content.Context;
import android.graphics.Typeface;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

import de.thedevstack.conversationsplus.ConversationsPlusColors;
import de.thedevstack.conversationsplus.ConversationsPlusPreferences;
import de.thedevstack.conversationsplus.ui.listeners.ShowResourcesListDialogListener;
import de.thedevstack.conversationsplus.utils.ImageUtil;
import de.thedevstack.conversationsplus.utils.MessageUtil;
import de.tzur.conversations.Settings;
import de.thedevstack.conversationsplus.R;
import de.thedevstack.conversationsplus.entities.Account;
import de.thedevstack.conversationsplus.entities.Conversation;
import de.thedevstack.conversationsplus.entities.Message;
import de.thedevstack.conversationsplus.entities.Transferable;
import de.thedevstack.conversationsplus.services.AvatarService;
import de.thedevstack.conversationsplus.ui.ConversationActivity;
import de.thedevstack.conversationsplus.ui.XmppActivity;
import de.thedevstack.conversationsplus.utils.UIHelper;

public class ConversationAdapter extends ArrayAdapter<Conversation> {

	private XmppActivity activity;

	public ConversationAdapter(XmppActivity activity,
			List<Conversation> conversations) {
		super(activity, 0, conversations);
		this.activity = activity;
	}

	@Override
	public View getView(int position, View view, ViewGroup parent) {
		if (view == null) {
			LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			view = inflater.inflate(R.layout.conversation_list_row,parent, false);
		}
		Conversation conversation = getItem(position);
        // Highlight the currently selected conversation
		if (this.activity instanceof ConversationActivity) {
			ConversationActivity a = (ConversationActivity) this.activity;
			int c = conversation == a.getSelectedConversation() ? ConversationsPlusColors.secondaryBackground() : ConversationsPlusColors.primaryBackground();
			view.findViewById(R.id.conversationListRowContent).setBackgroundColor(c);
            view.findViewById(R.id.conversationListRowFrame).setBackgroundColor(c);
		}
		TextView convName = (TextView) view.findViewById(R.id.conversation_name);
		if (conversation.getMode() == Conversation.MODE_SINGLE || ConversationsPlusPreferences.useSubject()) {
			convName.setText(conversation.getName());
		} else {
			convName.setText(conversation.getJid().toBareJid().toString());
		}
		TextView mLastMessage = (TextView) view.findViewById(R.id.conversation_lastmsg);
		TextView mTimestamp = (TextView) view.findViewById(R.id.conversation_lastupdate);
		ImageView imagePreview = (ImageView) view.findViewById(R.id.conversation_lastimage);
		ImageView notificationStatus = (ImageView) view.findViewById(R.id.notification_status);
        TextView txtUnreadCount = (TextView) view.findViewById(R.id.conversation_unreadcount);

        if (Settings.SHOW_ONLINE_STATUS) {
            int color = ConversationsPlusColors.offline();
            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
                if (conversation.getMode() == Conversation.MODE_SINGLE) {
                    color = UIHelper.getStatusColor(conversation.getContact().getMostAvailableStatus());
                } else if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().online()) {
                    color = ConversationsPlusColors.online();
                }
            }
            TextView status = (TextView) view.findViewById(R.id.status);
            status.setBackgroundColor(color);
        }

		Message message = conversation.getLatestMessage();

        int txtUnreadCountVisibility = View.INVISIBLE;
		if (!conversation.isRead()) {
			convName.setTypeface(null, Typeface.BOLD);
            txtUnreadCountVisibility = View.VISIBLE;
            txtUnreadCount.setText(String.valueOf(conversation.unreadCount()));
		} else {
			convName.setTypeface(null, Typeface.NORMAL);
		}
        txtUnreadCount.setVisibility(txtUnreadCountVisibility);

		if ((null != message.getFileParams() && message.getFileParams().getWidth() > 0) // TODO: Use FileParams.getMimeType()
				&& (message.getTransferable() == null
				|| message.getTransferable().getStatus() != Transferable.STATUS_DELETED)) {
			mLastMessage.setVisibility(View.GONE);
			imagePreview.setVisibility(View.VISIBLE);
			ImageUtil.loadBitmap(message, imagePreview, mLastMessage, false);
		} else {
			Pair<String,Boolean> preview = UIHelper.getMessagePreview(activity,message);
			mLastMessage.setVisibility(View.VISIBLE);
			imagePreview.setVisibility(View.GONE);
            CharSequence msgText = preview.first;
            String msgPrefix = null;
            if (MessageUtil.isMessageSent(message)) {
                msgPrefix = activity.getString(R.string.cplus_me);
            } else if (conversation.getMode() == Conversation.MODE_MULTI) {
                msgPrefix = UIHelper.getMessageDisplayName(message);
            }
            String lastMessagePreview = ((null == msgPrefix || msgPrefix.isEmpty()) ? "" : (msgPrefix + ": ")) + msgText;
            mLastMessage.setText(lastMessagePreview);
            int lastMessageTypeface = Typeface.NORMAL;
            if (conversation.isRead()) {
                if (preview.second) {
                    lastMessageTypeface = Typeface.ITALIC;
                }
            } else {
                if (preview.second) {
                    lastMessageTypeface = Typeface.BOLD_ITALIC;
                } else {
                    lastMessageTypeface = Typeface.BOLD;
                }
            }
            mLastMessage.setTypeface(null, lastMessageTypeface);
        }

		long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL,0);
		if (muted_till == Long.MAX_VALUE) {
			notificationStatus.setVisibility(View.VISIBLE);
			notificationStatus.setImageResource(R.drawable.ic_notifications_off_grey600_24dp);
		} else if (muted_till >= System.currentTimeMillis()) {
			notificationStatus.setVisibility(View.VISIBLE);
			notificationStatus.setImageResource(R.drawable.ic_notifications_paused_grey600_24dp);
		} else if (conversation.alwaysNotify()) {
			notificationStatus.setImageResource(R.drawable.ic_notifications_grey600_24dp);
			if (conversation.getMode() == Conversation.MODE_SINGLE) {
				notificationStatus.setVisibility(View.GONE);
			} else {
				notificationStatus.setVisibility(View.VISIBLE);
			}
		} else {
			notificationStatus.setVisibility(View.VISIBLE);
			notificationStatus.setImageResource(R.drawable.ic_notifications_none_grey600_24dp);
		}

		mTimestamp.setText(UIHelper.readableTimeDifference(activity, message.getTimeSent()));
		ImageView profilePicture = (ImageView) view.findViewById(R.id.conversation_image);
        if (conversation.getMode() == Conversation.MODE_SINGLE) {
            profilePicture.setOnLongClickListener(new ShowResourcesListDialogListener(activity, conversation.getContact()));
        }
		AvatarService.getInstance().loadAvatar(conversation, profilePicture);

		return view;
	}
}