package java;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.util.*;
import java.util.stream.Collectors;

public class Zadanie02 {
    public static void main(String[] args) throws IOException {
        /*
        Zrob zestawienie:
        dzien stworzanie pliku java -> ilosc plikow

        A następnie:
        Wypisz wszystkie pliki java ktore NIE zostaly stworzone na zajeciach tzn:
        nie sa w poniedzialek z godzin 18:30-19:30
         */

        File workspacePath = new File("/Users/waldiemar/Desktop/JavaPrograms/");
        List<File> allJavaFilesInWorkspace = Files.walk(workspacePath.toPath())
                .filter(f -> f.toFile().isFile() && f.toFile().getName().endsWith(".java"))
                .map(Path::toFile)
                .collect(Collectors.toList());

        System.out.println(allJavaFilesInWorkspace);

        Map<String, Integer> collection = new HashMap<>();
        SimpleDateFormat sdf = new SimpleDateFormat("EEEE", new Locale("pl", "PL"));
        for (File f : allJavaFilesInWorkspace) {
            BasicFileAttributes attrs = Files.readAttributes(f.toPath(), BasicFileAttributes.class);
            System.out.println(attrs.creationTime() + " " + f.getName());

            FileTime date = attrs.creationTime();
            String dayOfWeek = sdf.format(date.toMillis());

            Calendar c = Calendar.getInstance();

            final LocalDateTime fileCreationDateTime = LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());

            final LocalDateTime dateStart = LocalDateTime.of(fileCreationDateTime.toLocalDate(), LocalTime.of(18, 30));
            final LocalDateTime dateEnd = LocalDateTime.of(fileCreationDateTime.toLocalDate(), LocalTime.of(19, 30));


            boolean notMonday = !sdf.format(date.toMillis()).equalsIgnoreCase("poniedziałek");
            if (notMonday && fileCreationDateTime.isBefore(dateStart) && fileCreationDateTime.isAfter(dateEnd)) {
                if (!collection.containsKey(dayOfWeek)) {
                    collection.put(dayOfWeek, 1);
                } else {
                    int count = collection.get(dayOfWeek);
                    collection.put(dayOfWeek, count + 1);
                }
            }
        }
        System.out.println(collection);
    }
}