package de.tudarmstadt.informatik.hostage.ui2.adapter;

import java.util.List;

import android.annotation.TargetApi;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Build;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CompoundButton;
import android.widget.Switch;
import android.widget.TextView;
import de.tudarmstadt.informatik.hostage.R;
import de.tudarmstadt.informatik.hostage.commons.HelperUtils;
import de.tudarmstadt.informatik.hostage.ui2.activity.MainActivity;
import de.tudarmstadt.informatik.hostage.ui2.model.ServicesListItem;

/**
 * Created by Daniel Lazar on 06.02.14.
 */
public class ServicesListAdapter extends ArrayAdapter<ServicesListItem> {

	private class ViewHolder {

		public TextView protocolName;

		public TextView recordedAttacks;

		public Switch activated;

		public View circle;
	}

	private Context mActivity;

	private Switch mServicesSwitch;

	private CompoundButton.OnCheckedChangeListener mListener;

	private final Context context;

	private final List<ServicesListItem> values;

	int sdk = Build.VERSION.SDK_INT;

	public ServicesListAdapter(Context context, List<ServicesListItem> objects) {
		super(context, R.layout.services_list_item, objects);

		this.context = context;
		this.values = objects;
	}

	public void setActivity(Context activity, Switch servicesSwitch, CompoundButton.OnCheckedChangeListener mainListener) {
		mActivity = activity;
		mServicesSwitch = servicesSwitch;
		mListener = mainListener;
	}

	@Override
	public View getView(final int position, View convertView, ViewGroup parent) {
		LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		View rowView = convertView;

		ViewHolder holder;

		final ServicesListItem item = values.get(position);

		if (rowView == null) {
			rowView = inflater.inflate(R.layout.services_list_item, parent, false);

			holder = new ViewHolder();
			assert rowView != null;
			holder.protocolName = (TextView) rowView.findViewById(R.id.services_item_name);
			holder.recordedAttacks = (TextView) rowView.findViewById(R.id.services_item_rec_attacks);
			holder.activated = (Switch) rowView.findViewById(R.id.services_item_switch);
			holder.circle = rowView.findViewById(R.id.services_circle);
			rowView.setTag(holder);
		} else {
			holder = (ViewHolder) rowView.getTag();
		}

		holder.protocolName.setText(item.protocol);
		holder.activated.setTag(item);

		this.updateStatus(item, holder);

		holder.activated.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
			public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
				ServicesListItem item = (ServicesListItem) buttonView.getTag();

				if (!HelperUtils.isWifiConnected(mActivity)) {
					new AlertDialog.Builder(mActivity).setTitle(R.string.information).setMessage(R.string.wifi_not_connected_msg)
							.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
								public void onClick(DialogInterface dialog, int which) {
								}
							}).setIcon(android.R.drawable.ic_dialog_info).show();

					buttonView.setChecked(false);
				} else {
					// check if switch is set to ON and start the concrete
					// listener for the protocol
					if (isChecked) {
						if (!MainActivity.getInstance().getHostageService().isRunning(item.protocol)) {
							MainActivity.getInstance().getHostageService().startListener(item.protocol);

							// set the main switch to null, so that he won't
							// react and starts all protocols
							mServicesSwitch.setOnCheckedChangeListener(null);
							mServicesSwitch.setChecked(true);
							mServicesSwitch.setOnCheckedChangeListener(mListener);
							buttonView.setChecked(true);
						} else if (MainActivity.getInstance().getHostageService().isRunning(item.protocol)) {
							buttonView.setChecked(true);
						}
					} else {
						if (MainActivity.getInstance().getHostageService().isRunning(item.protocol)) {
							MainActivity.getInstance().getHostageService().stopListener(item.protocol);
						}
						buttonView.setChecked(false);
					}
				}
			}
		});
		return rowView;
	}

	private void updateStatus(ServicesListItem item, ViewHolder holder) {
		if (MainActivity.getInstance().getHostageService().isRunning(item.protocol)) {
			holder.activated.setChecked(true);
			if (!(MainActivity.getInstance().getHostageService().getNumberOfActiveConnections(item.protocol) > 0)) {
				if (item.attacks > 0) {
					setBackground(holder, R.drawable.services_circle_yellow);
				} else {
					setBackground(holder, R.drawable.services_circle_green);
				}

			} else {
				if (MainActivity.getInstance().getHostageService().getNumberOfActiveConnections(item.protocol) > 0) {
					setBackground(holder, R.drawable.services_circle_red);
				}
			}
		} else if (item.attacks > 0) {
			holder.activated.setChecked(false);
			setBackground(holder, R.drawable.services_circle_yellow);
		} else {
			holder.activated.setChecked(false);
			setBackground(holder, R.drawable.services_circle);
		}
		holder.recordedAttacks.setText(String.format(MainActivity.getContext().getResources().getString(R.string.recorded_attacks) + "  %d",
				Integer.valueOf(item.attacks)));
	}

	@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
	private void setBackground(ViewHolder holder, int drawable) {
		if (sdk < Build.VERSION_CODES.JELLY_BEAN) {
			holder.circle.setBackgroundDrawable(MainActivity.getInstance().getResources().getDrawable(drawable));
		} else {
			holder.circle.setBackground(MainActivity.getInstance().getResources().getDrawable(drawable));
		}
	}
}