package patterns.behavioral.command;

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

import static java.util.Arrays.asList;

public class CommandTestDrive {

    public static void main(String[] args) throws IOException {
        Pattern pattern = Pattern.compile("java:global.ejb.[\\w]*");
        List<String> sourceList = new ArrayList<>();
        List<String> finalList = new ArrayList<>();
        List<String> resultList = new ArrayList<>();
        Set<String> set = new HashSet<>();


        Path[] pathToSource = {Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\integration\\services.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\integration\\jboss-web.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\integration\\target\\services.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\integration\\target\\jboss-web.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\service\\jboss-ejb3.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\service\\oboz-ejb-context.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\service\\resources\\oboz-service-context.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\service\\target\\jboss-ejb3.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\service\\target\\oboz-ejb-context.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\service\\target\\oboz-service-context.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\validation\\validationContext.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\validation\\target\\validationContext.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\web\\applicationContext.xml"),
                Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\web\\target\\applicationContext.xml"),
        };

        Path pathToFinal = Paths.get("C:\\Users\\rNazarenkov\\Desktop\\regex\\ejbLookup.xml");


        sourceList = findEJB(pathToSource, sourceList, pattern);
        finalList = findEJB(pathToFinal, finalList, pattern);

        sourceList = substringList(sourceList, pattern);
        finalList = substringList(finalList, pattern);


        Boolean isUnique = true;
        for (int i = 0; i < sourceList.size(); i++) {
            for (int l = 0; l < finalList.size(); l++) {
                if (sourceList.get(i).equals(finalList.get(l))) {
                    isUnique = false;
                }
            }
            if (isUnique == true) {
                resultList.add(sourceList.get(i));
            } else {
                isUnique = true;
            }
        }
        resultList = resultList.stream().distinct().collect(Collectors.toList());
        System.out.println(resultList.size());
        resultList.stream().forEach(x -> System.out.println(x));
    }


    public static List<String> substringList(List<String> list, Pattern pattern) {
        Matcher matcher = null;
        List<String> arrayList = new ArrayList<>(list);
        for (int i = 0; i < arrayList.size(); i++) {
            matcher = pattern.matcher(arrayList.get(i));
            if (matcher.find()) {
                arrayList.set(i, matcher.group());
            }
        }
        return arrayList;
    }

    public static List<String> findEJB(Path[] path, List<String> list, Pattern pattern) throws IOException {
        List<String> ejbList = new ArrayList<>(list);
        for (int i = 0; i < path.length; i++) {
            Files.lines(path[i], StandardCharsets.UTF_8)
                    .filter(pattern.asPredicate())
                    .forEach(y -> ejbList.add(y));
        }
        return ejbList;
    }

    public static List<String> findEJB(Path path, List<String> list, Pattern pattern) throws IOException {
        List<String> ejbList = new ArrayList<>(list);
        Files.lines(path, StandardCharsets.UTF_8)
                .filter(pattern.asPredicate())
                .forEach(y -> ejbList.add(y));
        return ejbList;
    }
}