DEV204x Programming with C# module 5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Modul5_final
{
    class Program
    {
        static void Main(string[] args)
        {
            // Instances of student classes
            Student student1 = new Student("Danihel", "Dee", "2.6.6521", "Cosmic Lanes", "Jupiter Liar", "New Old New York", "Federal Dominium Province no. 7", "800500", "United Human States");
            Student student2 = new Student("Danihel", "John", "16.3.1862", "Street long street", "Venezuela", "Caracas", "South Planes", "156", "Long country");
            Student student3 = new Student("Dan", "Dohn", "11.5.1958", "Javorova street", "Austria", "Wien", "Prater", "362", "Autro-Hungaria");

            // Course instance, and using AddStudent method to add students to the array in course
            Course course1 = new Course("Programming with C#");
            course1.AddStudent(student1);
            course1.AddStudent(student2);
            course1.AddStudent(student3);

            // Teacher instance, and using AddTeacher method to add a teacher to the array in course
            Teacher teacher1 = new Teacher("Joh", "Malkovitch", "TNT");
            course1.AddTeacher(teacher1);

            // Degree instance and adding the course
            Degree degree1 = new Degree("Bachelor of Science");
            degree1.AddCourse(course1);

            // UProgram instance and adding the degree
            UProgram program1 = new UProgram("Information Technology");
            program1.AddDegree(degree1);

            // Writing the information out to the console
            Console.WriteLine("The {0} program contains the {1} degree", program1.Name, degree1.Name);
            Console.WriteLine();
            Console.WriteLine("The {0} degree contains the course {1}", degree1.Name, course1.Name);
            Console.WriteLine();
            Console.WriteLine("The {0} course contains {1} student(s)", course1.Name, Student.Counter.ToString());
            Console.WriteLine("Press any key...");
            Console.ReadKey();
        }
    }

    class Student
    {
        static int counter = 0;

        #region overload constructor
        // Overload constructor
        public Student(string firstName, string lastName, string birthDate, string addressLine1, string addressLine2, string city, string stateProvince, string zipPostal, string country)
        {
            FirstName = firstName;
            LastName = lastName;
            BirthDate = birthDate;
            AddressLine1 = addressLine1;
            AddressLine2 = addressLine2;
            City = city;
            StateProvince = stateProvince;
            ZipPostal = zipPostal;
            Country = country;
            counter++;
        }
        #endregion

        #region accessor function
        // Accessors functions
        public string FirstName
        {
            get { return _firstName; }
            set { _firstName = value; }
        }

        public string LastName
        {
            get { return _lastName; }
            set { _lastName = value; }
        }

        public string BirthDate
        {
            get { return _birthDate; }
            set { _birthDate = value; }
        }

        public string AddressLine1
        {
            get { return _addressLine1; }
            set { _addressLine1 = value; }
        }

        public string AddressLine2
        {
            get { return _addressLine2; }
            set { _addressLine2 = value; }
        }

        public string City
        {
            get { return _city; }
            set { _city = value; }
        }

        public string StateProvince
        {
            get { return _stateProvince; }
            set { _stateProvince = value; }
        }

        public string ZipPostal
        {
            get { return _zipPostal; }
            set { _zipPostal = value; }
        }

        public string Country
        {
            get { return _country; }
            set { _country = value; }
        }

        public static int Counter
        {
            get { return counter; }
            set { counter = value; }
        }
        #endregion

        #region member variables
        // Member variables
        private string _firstName;
        private string _lastName;
        private string _birthDate;
        private string _addressLine1;
        private string _addressLine2;
        private string _city;
        private string _stateProvince;
        private string _zipPostal;
        private string _country;
        #endregion
    }

    class Teacher
    {
        #region overload constructor
        // Overload constructor
        public Teacher(string firstName, string lastName, string degree)
        {
            FirstName = firstName;
            LastName = lastName;
            Degree = degree;
        }
        #endregion

        #region accessor functions
        // Accessor functions
        public string FirstName
        {
            get { return _firstName; }
            set { _firstName = value; }
        }

        public string LastName
        {
            get { return _lastName; }
            set { _lastName = value; }
        }

        public string Degree
        {
            get { return _degree; }
            set { _degree = value; }
        }
        #endregion

        #region member variables
        // Member variables
        private string _firstName;
        private string _lastName;
        private string _degree;
        #endregion
    }

    class UProgram
    {
        #region overload constructor
        // Overload constructor
        public UProgram(string name)
        {
            Name = name;
        }
        #endregion

        #region method
        //adding degree
        public void AddDegree(Degree degree)
        {
            Degree = degree;
        }
        #endregion

        #region accessor functions
        // Accessor functions
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        public Degree Degree
        {
            get { return _degree; }
            set { _degree = value; }
        }
        #endregion

        #region member variables
        // Member variables
        private string _name;
        private Degree _degree;
        #endregion
    }

    class Degree
    {
        #region overload constructor
        // Overload constructor
        public Degree(string name)
        {
            Name = name;
        }
        #endregion

        #region method
        //adding degree
        public void AddCourse(Course course)
        {
            Course = course;
        }
        #endregion

        #region accessor functions
        // Accessor functions
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        public Course Course
        {
            get { return _course; }
            set { _course = value; }
        }
        #endregion

        #region member variables
        // member variables
        private string _name;
        private Course _course;
        #endregion
    }

    class Course
    {
        #region overload constructor
        // Overload constructor
        public Course(string name)
        {
            Name = name;
            students = new Student[3];
            teachers = new Teacher[3];
        }
        #endregion

        #region Methods
        // FirstFreeIndexStudent
        public int FirstFreeIndexStudent(Student[] array)
        {
            int index = 0;
            for (int i = 0; i < array.Length; i++)
            {
                if (array[i] is Student)
                {
                    index++;
                }
            }
            return index;
        }

        // FirstFreeIndexTeacher
        public int FirstFreeIndexTeacher(Teacher[] array)
        {
            int index = 0;
            for (int i = 0; i < array.Length; i++)
            {
                if (array[i] is Teacher)
                {
                    index++;
                }
            }
            return index;
        }

        // AddStudent Method
        public void AddStudent(Student student)
        {
            int index = FirstFreeIndexStudent(students);
            students[index] = student;
        }

        // AddTeacher Method
        public void AddTeacher(Teacher teacher)
        {
            int index = FirstFreeIndexTeacher(teachers);
            teachers[index] = teacher;
        }
        #endregion

        #region accessor functions
        // Accessor functions
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        public Student[] Students
        {
            get { return students; }
            set { students = value; }
        }

        public Teacher[] Teacher
        {
            get { return teachers; }
            set { teachers = value; }
        }
        #endregion

        #region member variables
        // member variables
        private string _name;
        private Student[] students;
        private Teacher[] teachers;
        #endregion
    }
}