package com.reactnativecompressor.Utils;

import android.annotation.SuppressLint;
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.provider.DocumentsContract;
import android.provider.MediaStore;

import androidx.loader.content.CursorLoader;

import java.io.File;

public class RealPathUtil {

  public static String getRealPath(Context context, Uri fileUri) {
    String realPath;
    // SDK < API11
    if (Build.VERSION.SDK_INT < 11) {
      realPath = RealPathUtil.getRealPathFromURI_BelowAPI11(context, fileUri);
    }
    // SDK >= 11 && SDK < 19
    else if (Build.VERSION.SDK_INT < 19) {
      realPath = RealPathUtil.getRealPathFromURI_API11to18(context, fileUri);
    }
    // SDK > 19 (Android 4.4) and up
    else {
      realPath = RealPathUtil.getRealPathFromURI_API19(context, fileUri);
    }
    return realPath;
  }


  @SuppressLint("NewApi")
  public static String getRealPathFromURI_API11to18(Context context, Uri contentUri) {
    String[] proj = {MediaStore.Images.Media.DATA};
    String result = null;

    CursorLoader cursorLoader = new CursorLoader(context, contentUri, proj, null, null, null);
    Cursor cursor = cursorLoader.loadInBackground();

    if (cursor != null) {
      int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
      cursor.moveToFirst();
      result = cursor.getString(column_index);
      cursor.close();
    }
    return result;
  }

  public static String getRealPathFromURI_BelowAPI11(Context context, Uri contentUri) {
    String[] proj = {MediaStore.Images.Media.DATA};
    Cursor cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
    int column_index = 0;
    String result = "";
    if (cursor != null) {
      column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
      cursor.moveToFirst();
      result = cursor.getString(column_index);
      cursor.close();
      return result;
    }
    return result;
  }

  /**
   * Get a file path from a Uri. This will get the the path for Storage Access
   * Framework Documents, as well as the _data field for the MediaStore and
   * other file-based ContentProviders.
   *
   * @param context The context.
   * @param uri     The Uri to query.
   * @author paulburke
   */
  @SuppressLint("NewApi")
  public static String getRealPathFromURI_API19(final Context context, final Uri uri) {

    final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

    // DocumentProvider
    if (isKitKat && 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];
        }

        String filePath = "";
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
          //getExternalMediaDirs() added in API 21
          File[] external = context.getExternalMediaDirs();
          if (external.length > 1) {
            filePath = external[1].getAbsolutePath();
            filePath = filePath.substring(0, filePath.indexOf("Android")) + split[1];
          }
        } else {
          filePath = "/storage/" + type + "/" + split[1];
        }
        return filePath;

        // 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);
      }
    }
    // 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;
  }

  /**
   * 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.
   */
  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, projection, 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 null;
  }


  /**
   * @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());
  }

}