content: /**
   * Portions adopted from react-native-image-crop-picker
   *
   * MIT License
  
   * Copyright (c) 2017 Ivan Pusic
  
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  package com.getcapacitor;
  
  import android.content.ContentUris;
  import android.content.Context;
  import android.content.res.AssetManager;
  import android.database.Cursor;
  import android.net.Uri;
  import android.os.Environment;
  import android.provider.DocumentsContract;
  import android.provider.MediaStore;
  import android.provider.OpenableColumns;
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.FileReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  
  /**
   * Common File utilities, such as resolve content URIs and
   * creating portable web paths from low-level files
   */
  public class FileUtils {
  
      private static String CapacitorFileScheme = Bridge.CAPACITOR_FILE_START;
  
      public enum Type {
          IMAGE("image");
  
          private String type;
  
          Type(String type) {
              this.type = type;
          }
      }
  
      public static String getPortablePath(Context c, String host, Uri u) {
          String path = getFileUrlForUri(c, u);
          if (path.startsWith("file://")) {
              path = path.replace("file://", "");
          }
          return host + Bridge.CAPACITOR_FILE_START + path;
      }
  
      public static String getFileUrlForUri(final Context context, final Uri uri) {
          // DocumentProvider
          if (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 legacyPrimaryPath(split[1]);
                  } else {
                      final int splitIndex = docId.indexOf(':', 1);
                      final String tag = docId.substring(0, splitIndex);
                      final String path = docId.substring(splitIndex + 1);
  
                      String nonPrimaryVolume = getPathToNonPrimaryVolume(context, tag);
                      if (nonPrimaryVolume != null) {
                          String result = nonPrimaryVolume + "/" + path;
                          File file = new File(result);
                          if (file.exists() && file.canRead()) {
                              return result;
                          }
                          return null;
                      }
                  }
              }
              // 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);
              }
          }
          // MediaStore (and general)
          else if ("content".equalsIgnoreCase(uri.getScheme())) {
              // Return the remote address
              if (isGooglePhotosUri(uri)) return uri.getLastPathSegment();
              return getDataColumn(context, uri, null, null);
          }
          // File
          else if ("file".equalsIgnoreCase(uri.getScheme())) {
              return uri.getPath();
          }
  
          return null;
      }
  
      @SuppressWarnings("deprecation")
      private static String legacyPrimaryPath(String pathPart) {
          return Environment.getExternalStorageDirectory() + "/" + pathPart;
      }
  
      /**
       * Read a plaintext file from the assets directory.
       *
       * @param assetManager Used to open the file.
       * @param fileName The path of the file to read.
       * @return The contents of the file path.
       * @throws IOException Thrown if any issues reading the provided file path.
       */
      static String readFileFromAssets(AssetManager assetManager, String fileName) throws IOException {
          try (BufferedReader reader = new BufferedReader(new InputStreamReader(assetManager.open(fileName)))) {
              StringBuilder buffer = new StringBuilder();
              String line;
              while ((line = reader.readLine()) != null) {
                  buffer.append(line).append("\n");
              }
  
              return buffer.toString();
          }
      }
  
      /**
       * Read a plaintext file from within the app disk space.
       *
       * @param file The file to read.
       * @return The contents of the file path.
       * @throws IOException Thrown if any issues reading the provided file path.
       */
      static String readFileFromDisk(File file) throws IOException {
          try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
              StringBuilder buffer = new StringBuilder();
              String line;
              while ((line = reader.readLine()) != null) {
                  buffer.append(line).append("\n");
              }
  
              return buffer.toString();
          }
      }
  
      /**
       * Get the value of the data column for this Uri. This is useful for
       * MediaStore Uris, and other file-based ContentProviders.
       *
       * @param context The context.
       * @param uri The Uri to query.
       * @param selection (Optional) Filter used in the query.
       * @param selectionArgs (Optional) Selection arguments used in the query.
       * @return The value of the _data column, which is typically a file path.
       */
      private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
          String path = null;
          Cursor cursor = null;
          final String column = "_data";
          final String[] projection = { column };
  
          try {
              cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
              if (cursor != null && cursor.moveToFirst()) {
                  final int index = cursor.getColumnIndexOrThrow(column);
                  path = cursor.getString(index);
              }
          } catch (IllegalArgumentException ex) {
              return getCopyFilePath(uri, context);
          } finally {
              if (cursor != null) cursor.close();
          }
          if (path == null) {
              return getCopyFilePath(uri, context);
          }
          return path;
      }
  
      private static String getCopyFilePath(Uri uri, Context context) {
          Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
          int nameIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
          cursor.moveToFirst();
          String name = (cursor.getString(nameIndex));
          File file = new File(context.getFilesDir(), name);
          try {
              InputStream inputStream = context.getContentResolver().openInputStream(uri);
              FileOutputStream outputStream = new FileOutputStream(file);
              int read = 0;
              int maxBufferSize = 1024 * 1024;
              int bufferSize = Math.min(inputStream.available(), maxBufferSize);
              final byte[] buffers = new byte[bufferSize];
              while ((read = inputStream.read(buffers)) != -1) {
                  outputStream.write(buffers, 0, read);
              }
              inputStream.close();
              outputStream.close();
          } catch (Exception e) {
              return null;
          } finally {
              if (cursor != null) cursor.close();
          }
          return file.getPath();
      }
  
      /**
       * @param uri The Uri to check.
       * @return Whether the Uri authority is ExternalStorageProvider.
       */
      private 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.
       */
      private 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.
       */
      private 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.
       */
      private static boolean isGooglePhotosUri(Uri uri) {
          return "com.google.android.apps.photos.content".equals(uri.getAuthority());
      }
  
      private static String getPathToNonPrimaryVolume(Context context, String tag) {
          File[] volumes = context.getExternalCacheDirs();
          if (volumes != null) {
              for (File volume : volumes) {
                  if (volume != null) {
                      String path = volume.getAbsolutePath();
                      if (path != null) {
                          int index = path.indexOf(tag);
                          if (index != -1) {
                              return path.substring(0, index) + tag;
                          }
                      }
                  }
              }
          }
          return null;
      }
  }
  