package io.invertase.firebase.database;

/*
 * Copyright (c) 2016-present Invertase Limited & Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this library except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import com.google.firebase.database.DatabaseError;

public class UniversalDatabaseException extends Exception {

  private final String code;
  private final String message;

  // TODO error message already set?
  UniversalDatabaseException(int errorCode, String errorMessage, Throwable cause) {
    super(errorMessage, cause);

    String code = "unknown";
    String message = "An unknown error occurred";

    switch (errorCode) {
      case DatabaseError.DATA_STALE:
        code = "data-stale";
        message = "The transaction needs to be run again with current data.";
        break;
      case DatabaseError.OPERATION_FAILED:
        code = "failure";
        message = "The server indicated that this operation failed.";
        break;
      case DatabaseError.PERMISSION_DENIED:
        code = "permission-denied";
        message = "Client doesn't have permission to access the desired data.";
        break;
      case DatabaseError.DISCONNECTED:
        code = "disconnected";
        message = "The operation had to be aborted due to a network disconnect.";
        break;
      case DatabaseError.EXPIRED_TOKEN:
        code = "expired-token";
        message = "The supplied auth token has expired.";
        break;
      case DatabaseError.INVALID_TOKEN:
        code = "invalid-token";
        message = "The supplied auth token was invalid.";
        break;
      case DatabaseError.MAX_RETRIES:
        code = "max-retries";
        message = "The transaction had too many retries.";
        break;
      case DatabaseError.OVERRIDDEN_BY_SET:
        code = "overridden-by-set";
        message = "The transaction was overridden by a subsequent set.";
        break;
      case DatabaseError.UNAVAILABLE:
        code = "unavailable";
        message = "The service is unavailable.";
        break;
      case DatabaseError.NETWORK_ERROR:
        code = "network-error";
        message = "The operation could not be performed due to a network error.";
        break;
      case DatabaseError.WRITE_CANCELED:
        code = "write-cancelled";
        message = "The write was canceled by the user.";
        break;
    }

    this.code = code;
    this.message = message;
  }

  public String getCode() {
    return code;
  }

  @Override
  public String getMessage() {
    return message;
  }
}