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 * Contributor(s): Ilia Gromov

 */

package com.sun.tools.ide.analysis.modernize.impl;

import java.util.ArrayList;

import java.util.List;

import java.util.Optional;

import org.netbeans.modules.cnd.api.model.syntaxerr.CsmErrorInfo;

import org.netbeans.modules.cnd.api.model.syntaxerr.CsmErrorProvider;

/**

 *

 * @author Ilia Gromov

 */

public class CsmResponseMerger implements CsmErrorProvider.Response {

    private final List<ModernizeErrorInfo> bag = new ArrayList<>();

    private final CsmErrorProvider.Response delegate;

    public CsmResponseMerger(CsmErrorProvider.Response delegate) {

        this.delegate = delegate;

    }

    @Override

    public void addError(CsmErrorInfo errorInfo) {

        ModernizeErrorInfo o2 = (ModernizeErrorInfo) errorInfo;

        Optional<ModernizeErrorInfo> found = bag.stream()

                .filter(o1 -> isSame(o1, o2))

                .findAny();

        if (found.isPresent()) {

            found.get().addMessageInfixes(o2.getMessageInfixes());

        } else {

            bag.add(o2);

        }

    }

    @Override

    public void done() {

        bag.forEach(delegate::addError);

        delegate.done();

        bag.clear();

    }

    public boolean isSame(ModernizeErrorInfo o1, ModernizeErrorInfo o2) {

        return o1.getStartOffset() == o2.getStartOffset()

                && o1.getEndOffset() == o2.getEndOffset()

                && o1.getDiagnostics().getCheckName().equals(o2.getDiagnostics().getCheckName());

    }

}