Lab_6.1

#include <conio.h>
#include <cstdlib>
#include <fstream>
#include <windows.h>
#include <clocale>
#include <iostream>

using namespace std;

struct Book{
    char* Author;
    char* Name;
    int Pages;
    int Price;
};

struct Position2I{ int x; int y; };

setPos(int x, int y){
    COORD pos;
    pos.X = x;
    pos.Y = y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);
}

Message(char* str){

}

int Write_int(){
    char str[10];
    int value;
    while(true){
        scanf("%s", str);
        value = (atoi(str))? atoi(str) : 0;
        if (value > 0)
            break;
        else
            printf("Введите значение n >0: ");
    }
    return value;
}

Book* Book_Add(Book* book, int &Size, char* Author, char* Name, int Page, int Price){
    Size++;
    Book* copyBook = new Book[Size];
    for (int i = 0; i < Size - 1; i++){
        copyBook[i] = book[i];
    }
    copyBook[Size - 1].Author = Author;
    copyBook[Size - 1].Name = Name;
    copyBook[Size - 1].Pages = Page;
    copyBook[Size - 1].Price = Price;
    return copyBook;
}

Book* Book_Remove(Book* book, int &Size, UINT Index){
    if (Index > Size) return book;
    Size--;
    Book* copyBook = new Book[Size];
    for (int i = 0; i < Index; ++i)
        copyBook[i] = book[i];
    for (int i = Index; i < Size; ++i)
        copyBook[i] = book[i + 1];

    return copyBook;
}

bool File_Save(Book* book, unsigned int Size){
    if (Size != 0){
        ofstream f;
        f.open("Books.txt", ios_base::trunc);
        if (f.is_open()){
            f << Size << "\n";
            for (int i = 0; i < Size; i++){
                f << book[i].Author << " ";
                f << book[i].Name << " ";
                f << book[i].Pages << " ";
                f << book[i].Price << "\n";
            }
        } else {
            Message("Не удалось сохранить в файл...");
        }
        f.close();
    }
    Message("Список книг пуст, нечего сохранять...");
}

Book* File_Load(unsigned int &Size){
    Book* book;
    ifstream f;
    f.open("Books.txt");
    if (f.is_open()){
        char text[50];
        int temp;
        f >> text;
        temp = (atoi(text))? atoi(text) : 0;
        if (temp != 0){
            Size = temp;
            book = new Book[Size];
            for (int i = 0; i < Size; i++){
                f >> text;
                book[i].Author = text;
                f >> text;
                book[i].Name = text;
                f >> text;
                book[i].Pages = atoi(text);
                f >> text;
                book[i].Price = atoi(text);
            }
        } else {
            Message("Загруженый список книг пуст...");
        }
    } else {
        Message("Не удалось загрузить файл...");
    }
    f.close();
    return book;
}

// |    |Автор  |Имя  |Страницы  |Цена  |
// |    |       |     |          |      |
// |   0| Кто-то|Гогол|   156 стр|   35$|

void Draw(Book* book, unsigned int Size, Position2I pos, unsigned int* SizeMenu){
    system("cls");
    setPos(0, 0);

    printf("|    |Автор     |Имя       |Страницы  |Цена      |");
}

void Input(){

}

void Logic(){

}

int main()
{
    SetConsoleCP(65001);
    SetConsoleOutputCP(65001);

    Book* book;
    unsigned int Size;
    Position2I pos = { 0, 0 };
    unsigned int SizeMenu[4] = { 10, 10, 10, 10 };

    bool RUN = true;
    while(RUN){
        Draw(book, Size, pos, SizeMenu);
        Input();
        Logic();
    }

    delete[] book;
    delete[] SizeMenu;

    return 0;
}