package dev;

import dev.service.StudentManager;
import dev.thread.StudentLoader;
import dev.utils.FileManager;

import java.util.List;
import java.util.Scanner;

public class Main {

    public static void main(
            String[] args)
            throws Exception {

        Scanner scanner =
                new Scanner(System.in);

        StudentManager manager =
                new StudentManager();

        while (true) {

            System.out.println("""
                    1.Load students
                    2.Search student
                    3.Remove student
                    4.Print students
                    5.Exit
                    """);

            int choice =
                    scanner.nextInt();

            switch (choice) {

                case 1 -> {

                    List<String> data =
                            FileManager
                                    .loadStudents(
                                            "students.txt");

                    // TODO:

                    // Split data into 3 parts

                    List<String> part1 = null;

                    List<String> part2 = null;

                    List<String> part3 = null;

                    // TODO:

                    StudentLoader t1 =
                            null;

                    StudentLoader t2 =
                            null;

                    StudentLoader t3 =
                            null;

                    // TODO:

                    // start()

                    // join()

                    // merge results

                }

                case 2 -> {

                    System.out.print(
                            "ID: ");

                    int id =
                            scanner.nextInt();

                    System.out.println(
                            manager
                                    .searchStudent(
                                            id));

                }

                case 3 -> {

                    System.out.print(
                            "ID: ");

                    int id =
                            scanner.nextInt();

                    boolean removed =
                            manager
                                    .removeStudent(
                                            id);

                    System.out.println(
                            removed);

                }

                case 4 ->
                        manager
                                .printStudents();

                case 5 -> {
                    return;
                }

            }

        }

    }

}