package com.hdl.widget;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.support.annotation.NonNull;
import android.util.Log;
import java.util.List;

/**
 * Created by JLChen on 2019/9/23
 */
public final class HDLUtlisXM {
    public static final int DEFAULT_OFFLINE_COLOR = 0xC8E9E9EC;
    public static String MAuthority_NAME = "com.hdl.widgetxm.fileprovider";
    public static final String CROP_TYPE_KEY = "Type";
    public static final String CROP_NAME_KEY = "FileName";
    public static final String CROP_RATIO_X_KEY = "ImageRatioX";
    public static final String CROP_RATIO_Y_KEY = "ImageRatioY";
    public static final String CROP_OUTPUT_Y_KEY = "ImageUotputY";


    private HDLUtlisXM() {
        throw new UnsupportedOperationException("u can't instantiate me...");
    }


    /**
     * dp转px
     *
     * @param dpValue dp值
     * @return px值
     */
    public static int dp2px(Context context, final float dpValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dpValue * scale + 0.5f);
    }

    /**
     * px转dp
     *
     * @param pxValue px值
     * @return dp值
     */
    public static int px2dp(Context context, final float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }

    /**
     * Relaunch the application.
     */
    public static void relaunchApp(Context mContext) {
        relaunchApp(mContext, false);
    }

    /**
     * Relaunch the application.
     *
     * @param isKillProcess True to kill the process, false otherwise.
     */
    public static void relaunchApp(Context mContext, final boolean isKillProcess) {
        Intent intent = getLaunchAppIntent(mContext, mContext.getPackageName(), true);
        if (intent == null) {
            Log.e("AppUtils", "Didn't exist launcher activity.");
            return;
        }
        intent.addFlags(
                Intent.FLAG_ACTIVITY_NEW_TASK
                        | Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_CLEAR_TASK
        );
        mContext.startActivity(intent);
        if (!isKillProcess) return;
        android.os.Process.killProcess(android.os.Process.myPid());
        System.exit(0);
    }

    private static Intent getLaunchAppIntent(Context mContext, final String packageName) {
        return getLaunchAppIntent(mContext, packageName, false);
    }

    private static Intent getLaunchAppIntent(Context mContext, final String packageName, final boolean isNewTask) {
        String launcherActivity = getLauncherActivity(mContext, packageName);
        if (!launcherActivity.isEmpty()) {
            Intent intent = new Intent(Intent.ACTION_MAIN);
            intent.addCategory(Intent.CATEGORY_LAUNCHER);
            ComponentName cn = new ComponentName(packageName, launcherActivity);
            intent.setComponent(cn);
            return isNewTask ? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) : intent;
        }
        return null;
    }

    private static String getLauncherActivity(Context mContext, @NonNull final String pkg) {
        Intent intent = new Intent(Intent.ACTION_MAIN, null);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setPackage(pkg);
        PackageManager pm = mContext.getPackageManager();
        List<ResolveInfo> info = pm.queryIntentActivities(intent, 0);
        int size = info.size();
        if (size == 0) return "";
        for (int i = 0; i < size; i++) {
            ResolveInfo ri = info.get(i);
            if (ri.activityInfo.processName.equals(pkg)) {
                return ri.activityInfo.name;
            }
        }
        return info.get(0).activityInfo.name;
    }


//    /**
//     * 生成二维码，默认大小为500*500
//     *
//     * @param url  需要生成二维码的网址，也可以是文字
//     * @return bitmap
//     */
//    public static Bitmap createQRCode(String url) {
//        return createQRCode(url, 500);
//    }
//
//    /**
//     * 生成二维码，默认大小为500*500
//     *
//     * @param url  需要生成二维码的网址，也可以是文字
//     * @param size 需要生成二维码的大小（）
//     * @return bitmap
//     */
//    public static Bitmap createQRCode(String url, int size) {
//        try {
//            Hashtable<EncodeHintType, String> hints = new Hashtable<>();
//            hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
//            BitMatrix bitMatrix = new QRCodeWriter().encode(url,
//                    BarcodeFormat.QR_CODE, size, size, hints);
//            int[] pixels = new int[size * size];
//            for (int y = 0; y < size; y++) {
//                for (int x = 0; x < size; x++) {
//                    if (bitMatrix.get(x, y)) {
//                        pixels[y * size + x] = 0xff000000;
//                    } else {
//                        pixels[y * size + x] = 0xffffffff;
//                    }
//
//                }
//            }
//            Bitmap bitmap = Bitmap.createBitmap(size, size,
//                    Bitmap.Config.ARGB_8888);
//            bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
//            return bitmap;
//        } catch (WriterException e) {
//            e.printStackTrace();
//            return null;
//        }
//    }
//
//    /**
//     * @param url 需要生成二维码的文字、网址等
//     * @param size 需要生成二维码的大小（）
//     * @param mBitmap logo文件
//     * @return bitmap
//     */
//    private static int IMAGE_HALFWIDTH = 50;//宽度值，影响中间图片大小
//
//    public static Bitmap createQRCodeWithLogo(String url, Bitmap mBitmap) {
//        return createQRCodeWithLogo(url, 500, mBitmap);
//    }
//
//    public static Bitmap createQRCodeWithLogo(String url, int size, Bitmap mBitmap) {
//        try {
//            IMAGE_HALFWIDTH = size / 10;
//            Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
//            hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
//            /*
//             * 设置容错级别，默认为ErrorCorrectionLevel.L
//             * 因为中间加入logo所以建议你把容错级别调至H,否则可能会出现识别不了
//             */
//            hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
//            BitMatrix bitMatrix = new QRCodeWriter().encode(url,
//                    BarcodeFormat.QR_CODE, size, size, hints);
//
//            int width = bitMatrix.getWidth();//矩阵高度
//            int height = bitMatrix.getHeight();//矩阵宽度
//            int halfW = width / 2;
//            int halfH = height / 2;
//
//            Matrix m = new Matrix();
//            float sx = (float) 2 * IMAGE_HALFWIDTH / mBitmap.getWidth();
//            float sy = (float) 2 * IMAGE_HALFWIDTH
//                    / mBitmap.getHeight();
//            m.setScale(sx, sy);
//            //设置缩放信息
//            //将logo图片按martix设置的信息缩放
//            mBitmap = Bitmap.createBitmap(mBitmap, 0, 0,
//                    mBitmap.getWidth(), mBitmap.getHeight(), m, false);
//
//            int[] pixels = new int[size * size];
//            for (int y = 0; y < size; y++) {
//                for (int x = 0; x < size; x++) {
//                    if (x > halfW - IMAGE_HALFWIDTH && x < halfW + IMAGE_HALFWIDTH
//                            && y > halfH - IMAGE_HALFWIDTH
//                            && y < halfH + IMAGE_HALFWIDTH) {
//                        //该位置用于存放图片信息
//                        //记录图片每个像素信息
//                        pixels[y * width + x] = mBitmap.getPixel(x - halfW
//                                + IMAGE_HALFWIDTH, y - halfH + IMAGE_HALFWIDTH);
//                    } else {
//                        if (bitMatrix.get(x, y)) {
//                            pixels[y * size + x] = 0xff000000;
//                        } else {
//                            pixels[y * size + x] = 0xffffffff;
//                        }
//                    }
//                }
//            }
//            Bitmap bitmap = Bitmap.createBitmap(size, size,
//                    Bitmap.Config.ARGB_8888);
//            bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
//            return bitmap;
//        } catch (WriterException e) {
//            e.printStackTrace();
//            return null;
//        }
//    }


}