package CourseRegistrationStarter;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        Course c1 = new Course("Advanced Programming", "AP1404", 2);
        Course c2 = new Course("Data Structures", "DS2201", 1);
        Course c3 = new Course("Database Systems", "DB3301", 3);
        Course c4 = new Course("Basics of Programming", "BP4041", 0);

        RegistrationSystem system = new RegistrationSystem();
        system.addCourseToSystem(c1);
        system.addCourseToSystem(c2);
        system.addCourseToSystem(c3);
        system.addCourseToSystem(c3);
        system.addCourseToSystem(c4);



        Student student = new Student("Soroush", "404222000");

        Scanner scanner = new Scanner(System.in);

        while (true) {
            System.out.println("\n===== Course Registration Menu =====");
            System.out.println("1. Show all courses");
            System.out.println("2. Register course");
            System.out.println("3. Drop course");
            System.out.println("4. Show my courses");
            System.out.println("5. Search course by name");
            System.out.println("6. Exit");
            System.out.print("Choose an option: ");

            int choice = scanner.nextInt();
            scanner.nextLine();

            if (choice == 1) {
                system.showAllCourses();
            }
            else if (choice == 2) {
                System.out.print("Enter course code to register: ");
                String code = scanner.nextLine();
                Course course = system.findCourseByCode(code);
                if (course == null) {
                    System.out.print("Course not found.");
                } else {
                    student.addCourse(course);
                }
            }
            else if (choice == 3) {
                System.out.print("Enter course code to drop: ");
                String code = scanner.nextLine();
                Course course = system.findCourseByCode(code);
                if (course == null) {
                    System.out.print("Course not found.");
                } else {
                    student.dropCourse(course);
                }
            }
            else if (choice == 4) {
                student.showRegisteredCourses();
            }
            else if (choice == 5) {
                System.out.print("Enter course name to search: ");
                String name = scanner.nextLine();
                Course course = system.findCourseByName(name);
                if (course == null) {
                    System.out.println("Course not found.");
                } else {
                    //boolean isRegistered = false;
                    //for (int i = 0; i < student.registeredCourses.size(); i++) {
                    //    if (student.registeredCourses.get(i).getCourseCode().equals(course.getCourseCode())) {
                    //        isRegistered = true;
                    //        break;
                    //    }
                    //}
                    System.out.println("Course found: " + course.getCourseName() + " (" + course.getCourseCode() + ") - Remaining capacity: " + course.getCapacity());
                    //System.out.println("Status: " + (isRegistered ? "Registered" : "Not Registered"));
                }
            }
            else if (choice == 6) {
                System.out.println("Exiting...");
                break;
            }
            else {
                System.out.println("Invalid choice.");
            }
        }
        scanner.close();
    }
}