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

namespace kontr
{

    class Studentas
    {
        public string Vardas { get; set; }
        public string Pavarde { get; set; }
        public string Group { get; set; }
        const int MaxModuliai = 100;
        int Counter = 0;
        int[] ModulKreditai = new int[MaxModuliai];
        int VisiKreditai = 0;
        public Studentas()
        {

        }
        public Studentas(string pavarde, string vardas,string group)
        {
            Vardas = vardas;
            Pavarde = pavarde;
            Group = group;
        }
        public int Moduliai()
        {
            return Counter;
        }
        public int Kreditai()
        {
            return VisiKreditai;
        }
        public void ModulDeti(int a)
        {
            ModulKreditai[Counter++] = a;

        }
        public int ModulImti(int i)
        {
           return ModulKreditai[i];
        }
        public void CreditCal()
        {
            CountCredits(0);
        }
        public void CountCredits(int i)
        {
            if (i > Counter)
                return;
            VisiKreditai = VisiKreditai + ModulKreditai[i];
            CountCredits(i + 1);
        }
        public override string ToString()
        {
            string line = string.Format("|{0,-10} |{1,-10} |{2,-6}", Pavarde,Vardas,Group);
            return line;
        }
    }

    class Fakultetas
    {
        const int MaxStudent = 100;
        public string Pav { get; set; }
        public int Kreditai { get; set; }
        public int Moduliai { get; set; }
        public int StudentCount;
        public int BStudentCount;
        Studentas[] Studentai = new Studentas[MaxStudent];
        Studentas[] BStudentai = new Studentas[MaxStudent];
        public Fakultetas()
        {

        }

        public void AddStudent(Studentas student)
        {
            Studentai[StudentCount++] = student;
        }
        public void SortStudents()
        {
            for(int i=0;i<StudentCount-1;i++)
            {
                for (int j = i + 1; j < StudentCount; j++)
                {
                    if (String.Compare(Studentai[i].Group, Studentai[j].Group) > 0)
                    {
                        Studentas temp = Studentai[j];
                        Studentai[j] = Studentai[i];
                        Studentai[i] = temp;
                    }
                    else if(Studentai[i].Group== Studentai[j].Group)
                    {
                        if (String.Compare(Studentai[i].Pavarde, Studentai[j].Pavarde) > 0)
                        {
                            Studentas temp = Studentai[j];
                            Studentai[j] = Studentai[i];
                            Studentai[i] = temp;
                        }
                    }
                }
            }
        }
        public void Edit(int i)
        {
            Studentai = Studentai.Where(w => w != Studentai[i]).ToArray();
            StudentCount--;
        }
        public void AddBStudent(Studentas student)
        {
            BStudentai[BStudentCount++] = student;
        }
        public Studentas GetStudent(int i)
        {
            return Studentai[i];
        }
        public Studentas GetBStudent(int i)
        {
            return BStudentai[i];
        }
        public override bool Equals(object obj)
        {
            return base.Equals(obj as Fakultetas);
        }
        public bool Equals(Fakultetas fak)
        {
            if (object.ReferenceEquals(fak, null))
            {
                return false;
            }
            if (this.GetType() != fak.GetType())
            {
                return false;
            }
            return (BStudentCount == fak.BStudentCount);
        }
        public override int GetHashCode()
        {
            return BStudentCount.GetHashCode();
        }
        public static bool operator ==(Fakultetas lhs,Fakultetas rhs)
        {
            if(object.ReferenceEquals(lhs,null))
            {
                if (object.ReferenceEquals(rhs, null))
                {
                    return true;
                }
                return false;
            }
            return lhs.Equals(rhs);
        }
        public static bool operator !=(Fakultetas lhs, Fakultetas rhs)
        {
            return !(lhs == rhs);
        }
        public static bool operator <(Fakultetas lhs, Fakultetas rhs)
        {
            return (lhs.BStudentCount < rhs.BStudentCount);
        }
        public static bool operator >(Fakultetas lhs, Fakultetas rhs)
        {
            return (lhs.BStudentCount > rhs.BStudentCount);
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            const string CFd = "..\\..\\Fakultetas1.txt";
            const string CFb = "..\\..\\Fakultetas2.txt";
            const string CFr = "..\\..\\Rezultatai.txt";
            if (File.Exists(CFr))
                File.Delete(CFr);
            Fakultetas fak = new Fakultetas();
            Fakultetas fak2 = new Fakultetas();
            ReadData(fak, CFd);
            ReadData(fak2, CFb);
            using (var fr = File.AppendText(CFr))
            {
                fr.WriteLine("Pradiniai Duomenis");
            }
            WriteData(CFr, fak);
            WriteData(CFr, fak2);
            Atranka(fak);
            Atranka(fak2);
            Lyginti(fak, fak2);
            Edit(fak);
            Edit(fak2);
            Sort(fak,fak2);
            using (var fr = File.AppendText(CFr))
            {
                fr.WriteLine("Rezultatai");
            }
            WriteData(CFr, fak);
            WriteData(CFr, fak2);
            Console.Read();
        }
        static void WriteData(string fv, Fakultetas fak)
        {
            string Bruksnys = new string('-', 43);
            string Bruksnys2 = new string('*', fak.Pav.Length+2);
            using (var fr = File.AppendText(fv))
            {
                fr.WriteLine(Bruksnys2);
                fr.WriteLine("*{0}*",fak.Pav);
                fr.WriteLine(Bruksnys2);
                fr.WriteLine(Bruksnys);
                fr.WriteLine("|Pavarde    |Vardas     |Grupe  |Kreditai |");
                fr.WriteLine(Bruksnys);
                for (int i=0;i<fak.StudentCount;i++)
                {
                    fr.Write(fak.GetStudent(i).ToString());
                    for(int j=0;j<fak.GetStudent(i).Moduliai();j++)
                    {
                        fr.Write("|{0,-2}", fak.GetStudent(i).ModulImti(j));
                    }
                    fr.WriteLine();
                }
                fr.WriteLine(Bruksnys);
            }
        }
        static void Sort(Fakultetas fak,Fakultetas fak2)
        {
            fak.SortStudents();
            fak2.SortStudents();
        }
        static void ReadData(Fakultetas fak,string fd)
        {

            using (StreamReader reader = new StreamReader(fd))
            {
                string line=null;
                line = reader.ReadLine();
                string[] parts = line.Split(' ');
                fak.Pav = parts[0];
                fak.Kreditai = int.Parse(parts[1]);
                fak.Moduliai = int.Parse(parts[2]);
                while (null != (line = reader.ReadLine()))
                {
                    string[] val = line.Split(' ');
                    string lName = val[0];
                    string name = val[1];
                    string group = val[2];
                    Studentas student = new Studentas(lName, name, group);
                    for (int i = 3; i < val.Length; i++)
                    {
                        if (val[i] != null)
                        {
                            int kreditas = int.Parse(val[i]);
                            student.ModulDeti(kreditas);
                        }
                    }
                    fak.AddStudent(student);
                }
            }
        }

        static public void Atranka(Fakultetas fak)
        {
            for(int i=0;i<fak.StudentCount;i++)
            {
                fak.GetStudent(i).CreditCal();
                if (fak.GetStudent(i).Kreditai()>fak.Kreditai)
                {
                    fak.AddBStudent(fak.GetStudent(i));
                }
            }
        }

        static public string Lyginti(Fakultetas fak,Fakultetas fak2)
        {
            string line=null;
            if(fak>fak2)
            {
                line = "pirmas";
            }
            else
            {
                line = "antras";
            }
            return line;
        }


        static public void Edit(Fakultetas fak)
        {
            for(int i=0;i<fak.StudentCount;i++)
            {
                if(fak.GetStudent(i).Moduliai()>fak.Moduliai)
                {
                    fak.Edit(i);
                    i = i - 1;
                }
            }
        }
    }
}