package com.rehome.zhdcoa.vpn;

import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.os.FileUtils;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.provider.OpenableColumns;

import androidx.annotation.RequiresApi;

import com.sangfor.sdk.utils.SFLogN;

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

/**
 * Created by sangfor on 17-9-28.
 */
public class CertUtils {
    private static final String TAG = "CertUtils";

    /**
     * 根据Uri的不同Scheme解析出在本机的路径
     * @param context
     * @param uri
     * @return Uri的真实路径
     */
    @TargetApi(19)
    public static String fromUriGetRealPath(Context context, Uri uri) {
        if (uri == null) {
            return "";
        }

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
        // DocumentProvider
        if (isKitKat && Build.VERSION.SDK_INT < Build.VERSION_CODES.Q && DocumentsContract.isDocumentUri(context, uri) ) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }

                // TODO handle non-primary volumes
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {
                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[]{split[1]};

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
            return uriToFileApiQ(context, uri);
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {

            // Return the remote address
            if (isGooglePhotosUri(uri))
                return uri.getLastPathSegment();
            SFLogN.info(TAG, "uri authority is "+uri.getAuthority());
            if (isHuaWeiUri(uri)) {
                String uriPath = uri.getPath();
                // content://com.huawei.filemanager.share.fileprovider/root/storage/emulated/0/hbz1.p12
                if (uriPath != null && uriPath.startsWith("/root")) {
                    return uriPath.replaceAll("/root", "");
                }
            }

            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }

        return "";
    }
    /**
     * Android 10 以上适配
     * @param context
     * @param uri
     * @return
     */
    @RequiresApi(api = Build.VERSION_CODES.Q)
    private static String uriToFileApiQ(Context context, Uri uri) {
        File file = null;
        //android10以上转换
        if (uri.getScheme().equals(ContentResolver.SCHEME_FILE)) {
            file = new File(uri.getPath());
        } else if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) {
            //把文件复制到沙盒目录
            ContentResolver contentResolver = context.getContentResolver();
            Cursor cursor = contentResolver.query(uri, null, null, null, null);
            if (cursor.moveToFirst()) {
                @SuppressLint("Range")
                String displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
                try {
                    InputStream is = contentResolver.openInputStream(uri);
                    File file1 = new File(context.getExternalCacheDir().getAbsolutePath()+"/"+System.currentTimeMillis());
                    if (!file1.exists())
                    {
                        file1.mkdir();
                    }
                    File cache = new File(file1.getPath(), displayName);
                    FileOutputStream fos = new FileOutputStream(cache);
                    FileUtils.copy(is, fos);
                    file = cache;
                    fos.close();
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return file.getAbsolutePath();
    }

    public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {column};

        try {
            cursor = context.getContentResolver().query(uri, null, selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return "";
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is Google Photos.
     */
    public static boolean isGooglePhotosUri(Uri uri) {
        return "com.google.android.apps.photos.content".equals(uri.getAuthority());
    }

    /**
     * 适配 华为手机
     * @param uri
     * @return
     */
    public static boolean isHuaWeiUri(Uri uri) {
        return "com.huawei.filemanager.share.fileprovider".equals(uri.getAuthority());
    }
}