package com.basic.security.utils;

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Build;
import android.text.TextUtils;
import android.widget.Toast;

import com.basic.security.base.BaseApplication;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;

/**
 * Created by EN on 2016/8/18.
 */
public class CommonUtils {
    private static final int FAIL = -1;
    private static final int EMPTY = 0;
    private static final int SUCCESS = 1;

    public static Resources getResource() {
        return BaseApplication.getApplication().getResources();
    }

    public static void shortToast(String content) {
        Toast.makeText(BaseApplication.getApplication(), content, Toast.LENGTH_SHORT).show();
    }

    public static void longToast(String content) {
        Toast.makeText(BaseApplication.getApplication(), content, Toast.LENGTH_LONG).show();
    }

    public static Bitmap isToBitmap(InputStream is) {
        return BitmapFactory.decodeStream(is);
    }

    public static String isToString(InputStream is) throws IOException, UnsupportedEncodingException {
        byte[] b = new byte[4096];
        int len;
        int sum = 0;
        StringBuffer sb = new StringBuffer();
        try {
            if (is == null) {
                return null;
            } else if (is.available() == 0) {
                return "";
            } else {
                while ((len = is.read(b)) != -1) {
                    sb.append(new String(b, 0, len));
                }
            }
            //result = new String(sb);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
//        Reader reader = null;
//        reader = new InputStreamReader(stream, "UTF-8");
//        char[] buffer = new char[len];
//        reader.read(buffer);
//        return new String(buffer);
        return sb.toString();
    }

    /**
     * dip转换px
     */
    public static int dip2px(int dip) {
        final float scale = getResource().getDisplayMetrics().density;
        return (int) (dip * scale + 0.5f);
    }

    /**
     * px转换dip
     */

    public static int px2dip(int px) {
        final float scale = getResource().getDisplayMetrics().density;
        return (int) (px / scale + 0.5f);
    }

//    public static void parseJosn(String json, List<Object> list) {
//        Gson gson = new Gson();
//    }
//
////    public static boolean checkPermission(Context context, String permName, String pkgName){
////        PackageManager pm = context.getPackageManager();
////        if(PackageManager.PERMISSION_GRANTED == pm.checkPermission(permName, pkgName)){
////            return true;
////        }else{
////            //PackageManager.PERMISSION_DENIED == pm.checkPermission(permName, pkgName)
////            System.out.println(pkgName + "not has permission : " + permName);
////            return false;
////        }
////    }

    public static boolean checkPermission(Context context, String permission) {
        int perm = context.checkCallingOrSelfPermission(permission);
        return perm == PackageManager.PERMISSION_GRANTED;
    }

    public static boolean checkAndGetPermission(Activity activity, String permission, int code) {
        int perm = activity.checkCallingOrSelfPermission(permission);
        if (perm != PackageManager.PERMISSION_GRANTED) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                activity.requestPermissions(new String[]{permission}, code);
            }
        }
        return perm == PackageManager.PERMISSION_GRANTED;
    }

    public static boolean hasQEmuFiles() {
        String[] known_files = {
                "/system/lib/libc_malloc_debug_qemu.so",
                "/sys/qemu_trace",
                "/system/bin/qemu-props"
        };

        for (String pipe : known_files) {
            File qemu_file = new File(pipe);
            if (qemu_file.exists())
                return true;
        }
        return false;

    }

    /**
     * 判断蓝牙是否有效来判断是否为模拟器
     *
     * @return true 为模拟器
     */
    public boolean notHasBlueTooth() {
        BluetoothAdapter ba = BluetoothAdapter.getDefaultAdapter();
        if (ba == null) {
            return true;
        } else {
            // 如果有蓝牙不一定是有效的。获取蓝牙名称，若为null 则默认为模拟器
            String name = ba.getName();
            if (TextUtils.isEmpty(name)) {
                return true;
            } else {
                return false;
            }
        }
    }

}