#include <iostream>
#include <fstream>
#include <string.h>
#include <stdlib.h>
#include <iomanip>

using namespace std;

struct Spm {
    char NameLast[20];
    int Num;
    int try_1;
    int try_2;
    int try_3;
    Spm* Next;
};
class List
{
    Spm* Head;
public:
    List() :Head(NULL) {};
    //(Head = NULL)
    ~List();
    void ReadFromFile();
    void Add();
    void Show();
    void LoadToFile();
};
List::~List()
{
    while (Head != NULL)
    {
        Spm* temp = Head->Next;
        delete Head;
        Head = temp;
    };
}

void List::ReadFromFile()
{
    ifstream fin("sportsmen.txt");
    Spm* temp;
    if (fin.is_open()) {
        cout << "File is open" << endl;
        while (!fin.eof())
        {
            temp = new Spm;
            fin >> temp->NameLast >> temp->Num >> temp->try_1 >> temp->try_2 >> temp->try_3;
            temp->Next = Head;
            Head = temp;
        }
        cout << "Data is recevied" << endl;
        fin.close();
    }
    else cout << "File is not found";
}

void List::Show() {
    Spm* temp = Head;
    system("cls");
    cout << setw(20) << "NameLast" << setw(20) << "Number" << setw(20) << "Try 1" << setw(20) << "Try 2" << setw(20) << "Try 3" << endl;
    cout << "_______________________________________________________________________________________________" << endl << endl;
    while (temp != NULL)
    {
        cout << setw(20) << temp->NameLast;
        cout << setw(20) << temp->Num;
        cout << setw(20) << temp->try_1;
        cout << setw(20) << temp->try_2;
        cout << setw(20) << temp->try_3 << endl;
        temp = temp->Next;
    }
    cout << "_______________________________________________________________________________________________" << endl << endl;

}
void List::Add()
{
    Spm sp;
    Spm* temp = new Spm;
    temp->Next = Head;
    system("cls");
    cin.ignore();
    cout << "NameLast: "; cin.getline(sp.NameLast, 20);
    cout << "Number: "; cin >> sp.Num;
    cin.ignore();
    cout << "Try 1: "; cin >> sp.try_1;
    cin.ignore();
    cout << "Try 2: "; cin >> sp.try_2;
    cin.ignore();
    cout << "Try 3: "; cin >> sp.try_3;
    cin.ignore();

    strcpy(temp->NameLast, sp.NameLast);
    temp->Num, sp.Num;
    temp->try_1, sp.try_1;
    temp->try_2, sp.try_2;
    temp->try_3, sp.try_3;
    Head = temp;
}
void List::LoadToFile() {
    char file_name[30];
    system("cls");
    cout << "Input file name:   ";
    cin >> file_name;
    ofstream fout(file_name);
    {
        Spm* temp = Head;
        while (temp != NULL)
        {
            fout << setw(20) << temp->NameLast << setw(20) << temp->Num << setw(10) << temp->try_1 << setw(10) << temp->try_2 << setw(10) << temp->try_3 << endl;
            temp = temp->Next;
        }
        cout << "File is completed" << endl;
        system("pause");
        fout.close();
    }
}

int main() {
    cout.setf(ios::left);
    bool flag = true;
    int choice;
    Spm spm;
    List spisok;
    while (flag)
    {
        system("cls");
        cout << "               MENU" << endl;
        cout << "_______________________________________________________" << endl;
        cout << "1: Read from the file" << endl;
        cout << "2: Show list" << endl;
        cout << "3: Add student" << endl;
        cout << "4: Save to the file" << endl;
        cout << "5: Delete the record" << endl;
        cout << "6: Search" << endl;
        cout << "7: Sort" << endl;
        cout << "8: Exit" << endl;
        cout << "_______________________________________________________" << endl << endl;
        cout << "Make your choice (1-8): ";
        cin >> choice;
        switch (choice)
        {
        case 1: spisok.ReadFromFile();
            system("PAUSE");
            break;
        case 2: spisok.Show();
            system("PAUSE");
            break;
            case 3: spisok.Add();
                break;
            case 4: spisok.LoadToFile();
                break;
        case 8: flag = false;
            break;
        default: {cout << "You are  wrong.  " << endl; system("pause"); }

        }
    }
    system("PAUSE");
    return 0;
}