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

namespace ConsoleApplication18
{
    class Program
    {
        static Random rand = new Random();
        static Dictionary<Tuple<int, int>, List<Student>> studentData = new Dictionary<Tuple<int, int>, List<Student>>();
        static List<Student> students = new List<Student>();
        static Dictionary<int, List<Subjects>> ExamsList = new Dictionary<int, List<Subjects>>();


        static void Main(string[] args)
        {
            SetExams();
            Console.OutputEncoding = Encoding.GetEncoding(1251);
            Encoding enc = Encoding.GetEncoding(1251);
            using (var fileStream = File.OpenRead(@"C:\Users\Jackson\Desktop\names.txt"))
            using (var streamReader = new StreamReader(fileStream,enc))
            {
                String line = streamReader.ReadLine();

                    for (int i = 1; i < 6; i++)
                    for (int j = 1; j < 14; j++) {
                        int peopleInGroup = rand.Next(20, 28);
                        for (int k = 1; k < peopleInGroup; k++) {
                            if (!studentData.ContainsKey(new Tuple<int, int>(i, j)))
                                studentData.Add(new Tuple<int, int>(i, j), new List<Student>());
                            studentData[new Tuple<int, int>(i, j)].Add(new Student(line, i, j));
                            line = streamReader.ReadLine();
                        }
                    }


            }


            var nameSort = new NameSort<Student>();
            for (int i = 1; i < 6; i++)
                for (int j = 1; j < 14; j++)
                    studentData[new Tuple<int, int>(i, j)].Sort(nameSort);


            string resPath = @"C:\Users\Jackson\Desktop\result.txt";
            File.WriteAllText(resPath, String.Empty);

            //Задание
            List<Student> course5 = new List<Student>();
            for (int i = 1; i < 14; i++)
                foreach (var student in studentData[new Tuple<int, int>(5, i)])
                    course5.Add(student);

            SumSort<Student> sumSorter = new SumSort<Student>();
            course5.Sort(sumSorter);


            using (StreamWriter writer =
            new StreamWriter(resPath))
            {
                foreach (var student in course5)
                    writer.WriteLine("{0}, {1}й курс, {2}я группа; {4}; сумма баллов - {3}", student.Name, student.Course,
                                    student.Group, student.SumOfMarks, student.PaymentType == 'Б' ? "Бюджет" : "Контракт");
                //student.AllSessionMarks();
            }
            Console.Read();

        }


        private static void SetExams()
        {
            ExamsList[0] = new List<Subjects> { Subjects.Алгебра, Subjects.Программирование, Subjects.ДМ, Subjects.История, Subjects.Русский };
            ExamsList[1] = new List<Subjects> { Subjects.Алгебра, Subjects.Программирование, Subjects.ДМ, Subjects.История, Subjects.Русский };
            ExamsList[2] = new List<Subjects> { Subjects.ЯМП, Subjects.Экономика, Subjects.История, Subjects.Английский, Subjects.Философия };
            ExamsList[3] = new List<Subjects> { Subjects.ЯМП, Subjects.Экономика, Subjects.История, Subjects.Английский, Subjects.Философия };
            ExamsList[4] = new List<Subjects> { Subjects.Алгебра, Subjects.Программирование, Subjects.Физкультура, Subjects.Английский, Subjects.История };
            ExamsList[5] = new List<Subjects> { Subjects.Алгебра, Subjects.Программирование, Subjects.Физкультура, Subjects.Английский, Subjects.История };
            ExamsList[6] = new List<Subjects> { Subjects.Философия, Subjects.ЯМП, Subjects.ДМ, Subjects.Экономика, Subjects.Русский };
            ExamsList[7] = new List<Subjects> { Subjects.Философия, Subjects.ЯМП, Subjects.ДМ, Subjects.Экономика, Subjects.Русский };
            ExamsList[8] = new List<Subjects> { Subjects.ДМ, Subjects.Английский, Subjects.Экономика, Subjects.Программирование, Subjects.Русский };
            ExamsList[9] = new List<Subjects> { Subjects.ДМ, Subjects.Английский, Subjects.Экономика, Subjects.Программирование, Subjects.Русский };
        }


        class Student
        {
            public string Name { get; private set; }
            public int Course { get; private set; }
            public int Group { get; private set; }
            private int[,] Marks { get; set; }
            public char PaymentType { get; private set; }
            public int SumOfMarks { get; private set; }
            public Student(string name, int course, int group)
            {
                this.Name = name;
                this.Course = course;
                this.Group = group;

                Marks = new int[Course * 2, 5];

                for (int i = 0; i < this.Course * 2; i++)
                    for (int j = 0; j < 5; j++)
                        Marks[i, j] = GetRandomMark();


                this.PaymentType = 'Б';
                if (rand.Next(0, 13) > 10)
                    PaymentType = 'К';

                SumOfMarks = GetMarksSum();
                students.Add(this);
            }

            private int GetRandomMark()
            {
                if (rand.Next(0, 20) > 15)
                    return 5;
                if (rand.Next(0, 10) > 5)
                    return 4;
                if (rand.Next(0, 10) > 3)
                    return 3;
                return 2;
            }

            private int GetMarksSum()
            {
                int sum = 0;
                for (int i = 0; i < Course; i++)
                    for (int j = 0; j < 5; j++)
                        sum += Marks[i, j];
                return sum;
            }

            public void AllSessionMarks()
            {
                for (int i = 0; i < Course; i++)
                {
                    Console.WriteLine("======Сессия {0}го курса======", i + 1);
                    for (int j = 0; j < 5; j++)
                        Console.WriteLine("{0}: {1}", ExamsList[i][j].ToString(), Marks[i, j]);
                    Console.WriteLine();
                }
            }

            public void SessionMarks(int course)
            {
                if (course < 1 || course > Course)
                {
                    Console.WriteLine("Записей не обнаружено");
                    return;
                }
                Console.WriteLine("======Сессия {0}го курса======", course + 1);
                for (int j = 0; j < 5; j++)
                    Console.WriteLine("{0}: {1}", ExamsList[course][j].ToString(), Marks[course, j]);
                Console.WriteLine();
            }

        }

        enum Subjects { Алгебра, История, ЯМП, ДМ, Физкультура, Английский, Русский, Философия, Программирование, Экономика }

        class NameSort<T> : IComparer<T>
            where T : Student
        {
            public int Compare(T x, T y)
            {
                return String.Compare(x.Name.Substring(0, x.Name.IndexOf(' ')), y.Name.Substring(0, y.Name.IndexOf(' ')));
            }
        }

        class SumSort<T> : IComparer<T>  where T : Student
        {
            public int Compare(T x, T y)
            {
                if (x.SumOfMarks == y.SumOfMarks) return 0;
                if (x.SumOfMarks > y.SumOfMarks) return -1;
                return 1;
            }
        }

    }
}