/*
 * Copyright 2021 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.kie.kogito.jitexecutor.dmn.utils;

import java.io.IOException;
import java.io.Reader;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import org.kie.api.io.Resource;

public class ResolveByKey {
    private final Map<String, Resource> resources;

    public ResolveByKey(Map<String, Resource> resources) {
        this.resources = new HashMap<>(resources);
    }

    public Reader readerByKey(String key) {
        try {
            return resources.get(key).getReader();
        } catch (IOException e) {
            throw new RuntimeException("Unable to operate ValidatorImportReaderResolver", e);
        }
    }

    public Collection<Reader> allReaders() {
        List<Reader> results = resources.values().stream().map(r -> {
            try {
                return r.getReader();
            } catch (IOException e) {
                throw new RuntimeException("Unable to open reader for resource.", e);
            }
        }).collect(Collectors.toList());
        return results;
    }
}
