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package io.resys.thena.docdb.spi.support;

/*-
 * #%L
 * thena-docdb-api
 * %%
 * Copyright (C) 2021 Copyright 2021 ReSys OÜ
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file 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.
 * #L%
 */

import java.util.function.Supplier;

import io.resys.thena.docdb.api.exceptions.RepoException;

public class RepoAssert {
  private static final String NAME_PATTER = "^([a-zA-Z0-9 +_/-]|\\\\\\\\)+";
  
  public static void isName(String value, Supplier message) {
    RepoAssert.isTrue(value.matches(NAME_PATTER), () -> message.get() + " => Valid name pattern: '" + NAME_PATTER + "'!");
  }
  
  public static void notEmpty(String object, Supplier message) {
    if (object == null || object.isBlank()) {
      throw new RepoException(getMessage(message));
    }
  }
  public static void isEmpty(String object, Supplier message) {
    if (object == null || object.isBlank()) {
      return;
    }
    throw new RepoException(getMessage(message));
  }
  public static void notNull(Object object, Supplier message) {
    if (object == null) {
      throw new RepoException(getMessage(message));
    }
  }
  public static void isTrue(boolean expression, Supplier message) {
    if (!expression) {
      throw new RepoException(getMessage(message));
    }
  }
  private static String getMessage(Supplier supplier) {
    return (supplier != null ? supplier.get() : null);
  }

}