package etelligens.com.foodsafety.utils;

/**
 * Created by Manish on 10/2/2016.
 */

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.CursorLoader;
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 android.provider.OpenableColumns;
import android.util.Log;

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

public class FilePath {

    public static String getPath(Context context, Uri fileUri, String identify) {
        String realPath = "";
        // SDK < API11
        if (Build.VERSION.SDK_INT < 11) {
            // new code
            Log.e("RealPathUtils", "uriPath 11: " + fileUri);
            realPath = FilePath.getRealPathFromURI_BelowAPI11(context, fileUri);
        }
        // SDK >= 11 && SDK < 19
        else if (Build.VERSION.SDK_INT < 19) {
            Log.e("RealPathUtils", "uriPath 19: " + fileUri);
            realPath = FilePath.getRealPathFromURI_API11to18(context, fileUri);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
            Log.e("RealPathUtils", "uriPath KITKAT_WATCH: " + fileUri);

            if (identify.equals("profile") || identify.equals("crop")) {
                realPath = FilePath.getRealPathFromURI_API19(context, fileUri);
            } else {
                realPath = FilePath.getRealPathFromURI_Above29(context, fileUri);
            }
        }
        // SDK > 19 (Android 4.4) and up
        else {
            Log.e("RealPathUtils", "uriPath else: " + fileUri);
            realPath = FilePath.getRealPathFromURI_API19(context, fileUri);
        }
        Log.e("RealPathUtils", "realPath: " + realPath);
        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;
    }


    public static String getRealPathFromURI_Above29(Context context, Uri contentUri) {
       /* String[] projection = {MediaStore.MediaColumns.DISPLAY_NAME};
        Cursor cursor = null;
        try {
            cursor = context.getContentResolver().query(contentUri, projection, null, null, null);
            if (cursor != null && cursor.moveToFirst()) {
                String fileName = cursor.getString(0);
                String path = String.valueOf(Environment.getExternalStorageDirectory())+"/"+fileName;
                return path;
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;*/

        String path = copyFileToInternalStorage(context, contentUri);
        return path;
    }


    /**
     * 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 (uri != null) {
            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)) {
                String[] projection = {MediaStore.MediaColumns.DISPLAY_NAME};
                Cursor cursor = null;
                try {
                    cursor = context.getContentResolver().query(uri, projection, null, null, null);
                    if (cursor != null && cursor.moveToFirst()) {
                        String fileName = cursor.getString(0);
                        String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Download/" + fileName;
                        return path;
                    }
                } finally {
                    if (cursor != null)
                        cursor.close();
                }
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];
                Log.e("RealPathUtils", "uriPath: " + uri);


                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 {
            Log.e("RealPathUtils", "uriPath: " + uri);
            if (uri != null) {
                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());
    }

    /***
     * Used for Android Q+
     * @param uri
     * @return
     */
    public static String copyFileToInternalStorage(final Context context, Uri uri) {
        Uri returnUri = uri;
        String newDirName = "documents";
        Cursor returnCursor = context.getContentResolver().query(returnUri, new String[]{
                OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE
        }, null, null, null);


        /*
         * Get the column indexes of the data in the Cursor,
         *     * move to the first row in the Cursor, get the data,
         *     * and display it.
         * */
        int nameIndex = returnCursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
        int sizeIndex = returnCursor.getColumnIndex(OpenableColumns.SIZE);
        returnCursor.moveToFirst();
        String name = (returnCursor.getString(nameIndex));
        String size = (Long.toString(returnCursor.getLong(sizeIndex)));

        File output;
        if (!newDirName.equals("")) {
            File dir = new File(context.getFilesDir() + "/" + newDirName);
            if (!dir.exists()) {
                dir.mkdir();
            }
            output = new File(context.getFilesDir() + "/" + newDirName + "/" + name);
        } else {
            output = new File(context.getFilesDir() + "/" + name);
        }
        try {
            InputStream inputStream = context.getContentResolver().openInputStream(uri);
            FileOutputStream outputStream = new FileOutputStream(output);
            int read = 0;
            int bufferSize = 1024;
            final byte[] buffers = new byte[bufferSize];
            while ((read = inputStream.read(buffers)) != -1) {
                outputStream.write(buffers, 0, read);
            }

            inputStream.close();
            outputStream.close();

        } catch (Exception e) {

            Log.e("Exception", e.getMessage());
        }

        return output.getPath();
    }
}