import org.xmlunit.builder.DiffBuilder;
import org.xmlunit.builder.Input;
import org.xmlunit.diff.Diff;
import org.xmlunit.diff.Difference;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import static org.junit.Assert.assertEquals;

public class SolDifferenceEvaluatorChain {
    public static void main(String[] args) {
        String control = "<Parent>\n" +
                "    <Costum>\n" +
                "        <Work>\n" +
                "            <Person>\n" +
                "                <FirstName>John</FirstName>\n" +
                "                <LastName>Doe</LastName>\n" +
                "                <Email>johndoe@email.com</Email>\n" +
                "            </Person>\n" +
                "            <Person>\n" +
                "                <FirstName>Mickey</FirstName>\n" +
                "                <LastName>Mouse</LastName>\n" +
                "                <Email>mm@email.com</Email>\n" +
                "            </Person>\n" +
                "            <Person>\n" +
                "                <FirstName>HO</FirstName>\n" +
                "                <LastName>FRT</LastName>\n" +
                "                <Email>mm@email.com</Email>\n" +
                "            </Person>\n" +
                "        </Work>\n" +
                "    </Costum>\n" +
                "</Parent>";
        String test = "<Parent>\n" +
                "    <Costum>\n" +
                "        <Work>\n" +
                "            <Person>\n" +
                "                <FirstName>John</FirstName>\n" +
                "                <LastName>Doe</LastName>\n" +
                "                <Email>johndoe@email.com</Email>\n" +
                "            </Person>\n" +

                "            <Person>\n" +
                "                <FirstName>HO</FirstName>\n" +
                "                <LastName>FRT</LastName>\n" +
                "                <Email>mm@email.com</Email>\n" +
                "            </Person>\n" +
                "            <Person>\n" +
                "                <FirstName>Mickey</FirstName>\n" +
                "                <LastName>Mouse</LastName>\n" +
                "                <Email>mm@email.com</Email>\n" +
                "            </Person>\n" +
                "        </Work>\n" +
                "    </Costum>\n" +
                "</Parent>";

        Diff myDiff = DiffBuilder.compare(Input.fromString(control))
                .withTest(Input.fromString(test))
                .ignoreWhitespace()
                .checkForSimilar()
                .build();

        ArrayList<String> arrayOfDiff = new ArrayList<String>();
        for (Difference di : myDiff.getDifferences()) {
            System.out.println(di);

            //Micky
            String valueControl = di.getComparison().getControlDetails().getTarget().getNodeValue();
            String valueTest = di.getComparison().getTestDetails().getTarget().getNodeValue();

            //Firstname
            String nodeControl = di.getComparison().getControlDetails().getTarget().getParentNode().getLocalName();
            String nodeTest = di.getComparison().getTestDetails().getTarget().getParentNode().getLocalName();

            //Person
            String ownerNode = di.getComparison().getControlDetails().getTarget().getParentNode().getParentNode().getLocalName();
            String ownerTest = di.getComparison().getTestDetails().getTarget().getParentNode().getParentNode().getLocalName();

            String pathControl = ownerNode + "/" + nodeControl + "/" + valueControl;
            String pathTest = ownerTest + "/" + nodeTest + "/" + valueTest;

            arrayOfDiff.add(pathControl);
            arrayOfDiff.add(pathTest);

            System.out.println(valueControl + " " + nodeControl + " " + ownerNode);
        }

        ArrayList<String> duplicates = new ArrayList<>();
        for (int i = 0; i < arrayOfDiff.size(); i++) {
            if (duplicates.contains(arrayOfDiff.get(i))) {
                continue;
            }
            for (int j = i + 1; j < arrayOfDiff.size(); j++) {
                if (arrayOfDiff.get(i).equals(arrayOfDiff.get(j))) {
                    duplicates.add(arrayOfDiff.get(i));
                    break;
                }
            }
        }
        List<String> distinctElementsControl = arrayOfDiff.stream().distinct().collect(Collectors.toList());
        System.out.println(distinctElementsControl);
        System.out.println(duplicates);
        assertEquals("В документе есть различия", distinctElementsControl, duplicates);
    }
}