package com.hjx.personalcenter.util;

import android.content.Context;
import android.os.Build;
import android.util.Log;

import com.hjx.personalcenter.model.DeviceInfo;

import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.io.Reader;


public class GetDevicesUtil {
	private final static String LOG_TAG = "GetDevicesUtil";

	public static DeviceInfo getDevicesInfo(Context context){
		DeviceInfo mDeviceInfo = new DeviceInfo();
		initDevicesInfo(mDeviceInfo,context);

		return mDeviceInfo;
	}

	public static void initDevicesInfo(DeviceInfo mDeviceInfo,Context context){
		//if (PermissionUtil.hasReadExternalStoragePermission((Activity) context))
		mDeviceInfo.setDeviceModel(android.os.Build.MODEL);
		Log.e(LOG_TAG,"" + mDeviceInfo.getDeviceModel());
		mDeviceInfo.setMac(getMacAddress(context));
		Log.e(LOG_TAG,"" + mDeviceInfo.getMac());

		mDeviceInfo.setDeviceNumber(getCPUSerial(context));
		Log.e(LOG_TAG,"" + mDeviceInfo.getDeviceNumber());
	}	 

	private static String getCPUSerial(Context context) {
			//String androidID = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
			String cpuAddress =  Build.SERIAL;
//		String cpuAddress = null;
//		TelephonyManager mTelephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
//		//if (PermissionUtil.hasReadExternalStoragePermission((Activity) context))
//		if (mTelephony.getDeviceId() != null) {
//			cpuAddress = mTelephony.getDeviceId();
//		} else {
//			//android.provider.Settings;
//			cpuAddress = Settings.Secure.getString(context.getApplicationContext().getContentResolver(), Settings.Secure.ANDROID_ID);
//		}
		return cpuAddress;
	}

	private static String getMacAddress(Context mContext){

		String str = "";
		String macSerial = "";
		try {
			Process pp = Runtime.getRuntime().exec(
					"cat /sys/class/net/wlan0/address ");
			InputStreamReader ir = new InputStreamReader(pp.getInputStream());
			LineNumberReader input = new LineNumberReader(ir);

			for (; null != str;) {
				str = input.readLine();
				if (str != null) {
					macSerial = str.trim();// 去空格
					break;
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		if (macSerial == null || "".equals(macSerial)) {
			try {
				return loadFileAsString("/sys/class/net/eth0/address")
						.toUpperCase().substring(0, 17);
			} catch (Exception e) {
				e.printStackTrace();

			}

		}
		return macSerial;
	}

	public static String loadFileAsString(String fileName) throws Exception {
		FileReader reader = new FileReader(fileName);
		String text = loadReaderAsString(reader);
		reader.close();
		return text;
	}

	public static String loadReaderAsString(Reader reader) throws Exception {
		StringBuilder builder = new StringBuilder();
		char[] buffer = new char[4096];
		int readLength = reader.read(buffer);
		while (readLength >= 0) {
			builder.append(buffer, 0, readLength);
			readLength = reader.read(buffer);
		}
		return builder.toString();
	}
}