Lab_10/8 var (IIl semester)

//Lab_10_var8
#include "stdafx.h"
#include <iostream>
#include <iomanip>
#include <windows.h>
#include <fstream>
#include <string>
using namespace std;

struct Buyer
{
    string name, surname, address;
    string phone, card;
};
Buyer x[100];
int countRow = 0;
void outputScreen()
{
    cout << " Structure Buyer" << endl;
    cout << " __________________________________________________________________________" << endl;
    cout << " |№ |    Name    |  Surname   |   Address  |    Phone    |      Card      | " << endl;
    cout << " |--|------------|------------|------------|-------------|----------------|" << endl;
    for (int i = 0; i < countRow; i++)
    {
        cout << left << " |" << setw(2) << i + 1 << "|" << setw(12) << x[i].name << "|" << setw(12)
            << x[i].surname << "|" << setw(12) << x[i].address << "|" << setw(13) << x[i].phone
            << "|" << setw(16) << x[i].card << "|" << endl;
    }
    cout << " __________________________________________________________________________" << endl;
}
void inputFile()
{
    ifstream input;
    input.open("Input.txt", ios::in);
    if (input.fail()) {
        cout << "Could not open file" << endl;
        system("pause");
    }
    do
    {
        input >> x[countRow].name >> x[countRow].surname >> x[countRow].address >> x[countRow].phone >> x[countRow].card;
        countRow++;
    } while (!input.eof());
    input.close();
    cout << "\nFile read out. Number of items = " << countRow << endl;
    outputScreen();
}

void outputFile()
{
    ofstream output;
    output.open("Output.txt", ios::out);
    if (output.fail())
    {
        cout << "Could not create file" << endl;
        system("pause");
    }
    for (int i = 0; i<countRow; i++)
    {
        output << setw(10) << x[i].surname << " " << setw(10) << x[i].name << " " << setw(10) << x[i].address << " " << setw(11) << x[i].phone << " " << setw(11) << x[i].card;
        if (i != countRow - 1)
            output << endl;
        if (output.fail())
            break;
    }
    output.close();
    cout << "File created" << endl;
}

void addBuyer()
{
    int countAddRow;
    string tmpNumber;
    cout << "How many lines to add: ";
    cin >> countAddRow;
    cout << "Enter card number: ";
    cin >> tmpNumber;
    for (int j = 0; j<countAddRow; j++)
    {
        cout << "-Enter Vehicle Owner Data-" << endl;
        cout << "Surname: ";
        cin >> x[countRow].surname;
        cout << "Name: ";
        cin >> x[countRow].name;
        cout << "Address: ";
        cin >> x[countRow].address;
        cout << "Phone: ";
        cin >> x[countRow].phone;
        x[countRow].card = tmpNumber;
        countRow++;
    }
    cout << countAddRow << " Byer with number " << tmpNumber << " added" << endl;
    outputScreen();
}


void deleteBuyer()
{
    int colvo;
    cout << "Enter the number of items to remove from the beginning of the list: ";
    cin >> colvo;
    int ptr = 0;
    for (int i = colvo; i < countRow; i++)
    {
        x[ptr] = x[i];
        ptr++;
    }
    countRow -= colvo;
    cout << colvo << " items deleted" << endl;
    outputScreen();
}

int main()
{
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
    setlocale(LC_ALL, 0);
    int option;
    cout << "Structure Buyer" << endl;
    while (1)
    {
        cout << "1-Input from a text file" << endl;
        cout << "2-View data" << endl;
        cout << "3-Saving to text file" << endl;
        cout << "4-Adding N elements with the number K" << endl;
        cout << "5-Deleting an item with a specified number" << endl;
        cout << "6-Exit" << endl;
        cout << "Your choice (1-6): ";
        cin >> option;
        switch (option)
        {
        case 1: inputFile(); break;
        case 2: outputScreen(); break;
        case 3: outputFile(); break;
        case 4: addBuyer(); break;
        case 5: deleteBuyer(); break;
        case 6: exit(0);
        default: cout << "Invalid value entered" << endl;
            break;
        }
    }
}