/*
 *  Copyright 2017 TWO SIGMA OPEN SOURCE, LLC
 *
 *  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.
 */
package com.twosigma.jupyter;

import java.util.Map;
import java.util.Optional;

import static com.google.common.base.Preconditions.checkNotNull;
import static org.apache.commons.lang3.builder.EqualsBuilder.reflectionEquals;
import static org.apache.commons.lang3.builder.HashCodeBuilder.reflectionHashCode;
import static org.apache.commons.lang3.builder.ToStringBuilder.reflectionToString;

public class KernelParameters {

  public static final String KERNEL_PARAMETERS = "beakerx_kernel_parameters";

  private Map<String, Object> params;

  public KernelParameters(Map<String, Object> params) {
    this.params = checkNotNull(params);
  }

  public Map<String, Object> getParams() {
    return params;
  }

  public <T> Optional<T> getParam(String key, Class<T> clazz) {
    if (params.containsKey(key)) {
      return Optional.of(clazz.cast(params.get(key)));
    }
    return Optional.empty();
  }

  @Override
  public boolean equals(Object o) {
    return reflectionEquals(this, o);
  }

  @Override
  public int hashCode() {
    return reflectionHashCode(this);
  }

  @Override
  public String toString() {
    return reflectionToString(this);
  }
}