/*
This software is subject to the license described in the License.txt file
included with this software distribution. You may not use this file except in compliance
with this license.

Copyright (c) Dynastream Innovations Inc. 2014
All rights reserved.
 */

package com.rubenvandeven.heartbeatstreamer.multidevicesearch;

import java.util.ArrayList;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.rubenvandeven.heartbeatstreamer.multidevicesearch.Activity_MultiDeviceSearchSampler.MultiDeviceSearchResultWithRSSI;
import com.rubenvandeven.heartbeatstreamer.R;

/**
 * Adapter that displays MultiDeviceSearchResultWithRSSI in a List View with
 * layout R.layout.layout_multidevice_searchresult
 */
public class ArrayAdapter_MultiDeviceSearchResult extends
    ArrayAdapter<MultiDeviceSearchResultWithRSSI>
{
    private static final int DEFAULT_MIN_RSSI = -1;

    private ArrayList<MultiDeviceSearchResultWithRSSI> mData;
    private String[] mDeviceTypes;
    private int mMinRSSI = DEFAULT_MIN_RSSI;

    public ArrayAdapter_MultiDeviceSearchResult(Context context,
        ArrayList<MultiDeviceSearchResultWithRSSI> data)
    {
        super(context, R.layout.layout_multidevice_searchresult, data);
        mData = data;
        mDeviceTypes = context.getResources().getStringArray(R.array.device_types);
    }

    /**
     * Update the display with new data for the specified position
     */
    public View getView(int position, View convertView, ViewGroup parent)
    {
        if (convertView == null)
        {
            LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
                Context.LAYOUT_INFLATER_SERVICE);
            convertView = inflater.inflate(R.layout.layout_multidevice_searchresult, null);
        }

        MultiDeviceSearchResultWithRSSI i = mData.get(position);

        if (i != null)
        {
            TextView tv_deviceType = (TextView) convertView
                .findViewById(R.id.textView_multiDeviceType);
            TextView tv_deviceName = (TextView) convertView
                .findViewById(R.id.textView_multiDeviceName);
            ProgressBar pb_RSSI = (ProgressBar) convertView
                .findViewById(R.id.progressBar_multiDeviceRSSI);

            if (tv_deviceType != null)
            {
                tv_deviceType.setText(mDeviceTypes[i.mDevice.getAntDeviceType().ordinal()]);
            }
            if (tv_deviceName != null)
            {
                tv_deviceName.setText(i.mDevice.getDeviceDisplayName());
            }

            // only update once i.mRSSI value has been populated
            if (pb_RSSI != null && i.mRSSI != Integer.MIN_VALUE)
            {
                // display RSSI data
                if (pb_RSSI.getVisibility() != View.VISIBLE)
                {
                    convertView.findViewById(R.id.label_RSSI).setVisibility(View.VISIBLE);
                    pb_RSSI.setVisibility(View.VISIBLE);
                }

                // Device is nearest it can be, cap to zero
                if (i.mRSSI >= 0)
                {
                    i.mRSSI = 0;
                }

                // 0 is farthest away, (- mMinRSSI) is nearest
                int nearness = i.mRSSI - mMinRSSI;

                // find the new farthest
                if (nearness < 0)
                {
                    mMinRSSI = i.mRSSI;
                    nearness = 0;
                }

                int display = 100 * nearness / -mMinRSSI;
                pb_RSSI.setProgress(display);
            }
        }

        return convertView;
    }
}