/*
 * Copyright © 2024-2026 Apple Inc. and the Pkl project authors. All rights reserved.
 *
 * 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
 *
 *     https://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 org.pkl.config.java;

import static org.pkl.config.java.ConfigUtils.createConfig;

import org.pkl.config.java.mapper.ValueMapper;
import org.pkl.core.Evaluator;
import org.pkl.core.ModuleSource;

final class ConfigEvaluatorImpl implements ConfigEvaluator {
  private final Evaluator evaluator;
  private final ValueMapper mapper;

  ConfigEvaluatorImpl(Evaluator evaluator, ValueMapper mapper) {
    this.evaluator = evaluator;
    this.mapper = mapper;
  }

  @Override
  public Config evaluate(ModuleSource moduleSource) {
    var module = evaluator.evaluate(moduleSource);
    return new CompositeConfig("", mapper, module);
  }

  @Override
  public Config evaluateOutputValue(ModuleSource moduleSource) {
    var value = evaluator.evaluateOutputValue(moduleSource);
    return createConfig(value, mapper);
  }

  @Override
  public Config evaluateExpression(ModuleSource moduleSource, String expression) {
    var value = evaluator.evaluateExpression(moduleSource, expression);
    return createConfig(value, mapper);
  }

  @Override
  public ValueMapper getValueMapper() {
    return mapper;
  }

  @Override
  public ConfigEvaluator setValueMapper(ValueMapper mapper) {
    return new ConfigEvaluatorImpl(evaluator, mapper);
  }

  @Override
  public void close() {
    evaluator.close();
  }
}
