package cl.json;

import android.app.Application;
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.annotation.NonNull;
import androidx.loader.content.CursorLoader;
import androidx.core.content.FileProvider;
import android.text.TextUtils;

import com.facebook.react.bridge.ReactContext;

import java.io.File;
import java.util.ArrayList;

public class RNSharePathUtil {
    private static final ArrayList<String> authorities = new ArrayList<>();

    public static void compileAuthorities(ReactContext reactContext) {
        if (authorities.size() == 0) {
            Application application = (Application) reactContext.getApplicationContext();
            if (application instanceof ShareApplication) {
                authorities.add(((ShareApplication) application).getFileProviderAuthority());
            }

            authorities.add(reactContext.getPackageName() + ".rnshare.fileprovider");
        }
    }

    public static Uri compatUriFromFile(@NonNull final ReactContext context, @NonNull final File file) {
        compileAuthorities(context);
        String existingAuthority = Uri.fromFile(file).getAuthority();

        // Authority is already set on this uri, no need to set it again
        if (!TextUtils.isEmpty(existingAuthority) && authorities.contains(existingAuthority)) {
            return Uri.fromFile(file);
        }

        // Already a content uri, cannot set authority on this
        if (file.getAbsolutePath().startsWith("content://")) {
            return Uri.fromFile(file);
        }

        // No authority present, getting FileProvider uri
        Uri result = null;
        for (int i = 0; i < authorities.size(); i++) {
            try {
                String authority = authorities.get(i);
                result = FileProvider.getUriForFile(context, authority, file);
                if (result != null) {
                    break;
                }
            } catch (Exception e) {
                System.out.println("RNSharePathUtil::compatUriFromFile ERROR " + e.getMessage());
            }
        }
        return result;
    }

    public static String getRealPathFromURI(final Context context, final Uri uri, Boolean useInternalStorage) {

        String filePrefix = "";
        // DocumentProvider
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && 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) || "0".equalsIgnoreCase(type)) {
                    File cacheDir = useInternalStorage ? context.getCacheDir() : context.getExternalCacheDir();
                    return filePrefix + cacheDir + "/" + split[1];
                } else if ("raw".equalsIgnoreCase(type)) {
                    return filePrefix + split[1];
                } else if (!TextUtils.isEmpty(type)) {
                    return filePrefix + "/storage/" + type + "/" + split[1];
                }

                // TODO handle non-primary volumes
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);
                if (id.startsWith("raw:")) {
                    return filePrefix + id.replaceFirst("raw:", "");
                }
                final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return filePrefix + 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;
                } else if ("raw".equalsIgnoreCase(type)) {
                    return filePrefix + split[1];
                }

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

                return filePrefix + 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 filePrefix + 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 = MediaStore.MediaColumns.DATA;
        final String[] projection = { column };

        try {
            CursorLoader loader = new CursorLoader(context, uri, projection, selection, selectionArgs, null);
            cursor = loader.loadInBackground();
            if (cursor != null && cursor.moveToFirst()) {
                final int index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(index);
            }
        } catch (Exception ex) {
            ex.printStackTrace();
            return null;
        } 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());
    }

}