#define _CRT_SECURE_NO_DEPRECATE
#define _CRT_NONSTDC_NO_DEPRECATE
#include <stdlib.h>
#include <locale.h>
#include <string.h>
#include <stdio.h>

typedef struct
{
    char name[80];
    int schet;
    double summ;
    char deleted[8];
} person;

int show_menu(person* bd, int* n);
int add_line(person* bd, int line, int* n);
int count_line(person* bd, int* n);
int show_line(person* bd, int line, int* n);
int resize(int line, person* bd);
int show_bd(person* bd, int* n);

int main()
{
    setlocale(LC_ALL, "Rus");
    int n = 1;
    person* bd = (person*)malloc(n * sizeof(person));
    strcpy((bd)[0].deleted, "deleted\0");
    while (show_menu(bd, &n));
    return 0;
}
int show_menu(person* bd, int* n)
{
    int enter;
    char command[40];
    puts("1 - добавление записи\n2 - удаление записи\n3 - изменение записи\n4 - просмотр записи\n0 - выход\n");
    gets(command);
    enter = atoi(command);
    switch (enter)
    {
        case 1:
        {
                  int line = count_line(bd, n);
                  add_line(bd, line, n);
                  break;
        }
        case 2:
        {
                  break;
        }
        case 3:
        {
                  break;
        }
        case 4:
        {
                  int line;
                  puts("Введите строку:\n");
                  gets(command);
                  line = atoi(command);
                  show_line(bd, line, n);
                  break;
        }
        case 0:
        {
                  return 0;
        }
    }
    return 1;
}
int resize(int line, person* bd)
{
    person* shit;
    shit = (person*)realloc(bd, (line + 1)*sizeof(person));
    if (shit != NULL)
    {
        bd = shit;
    }
    return 1;
}
int show_bd(person* bd, int* n)
{
    for (int i = 0; i < *n; i++)
    {
        show_line(bd, i, n);
    }
    return 1;
}
int add_line(person* bd, int line, int* n)
{
    if (*n < line + 1)
    {
        resize(line, bd);
        (*n)++;
    }
    char str[80], enter[80];
    int i = 0;
    puts("Введите новые данные в формате Имя Счёт Сумма:\n");
    gets(str);
    char* token = strtok(str, " ");
    while (token != NULL)
    {
        switch (i)
        {
        case 0:
        {
                  strcpy((bd + line)->name, token);
                  break;
        }
        case 1:
        {
                  (bd + line)->schet = atoi(token);
                  break;
        }
        case 2:
        {
                  (bd + line)->summ = atof(token);
                  break;
        }
        default:
        {
                  return 1;
                  break;
        }
        }
        token = strtok(NULL, " ");
        i++;
    }
    strcpy((bd + line)->deleted, "works\0");

    printf("Запись добавлена под номером %d\n\n", line);
    return 1;
}
int count_line(person* bd, int* n)
{
    for (int i = 0; i < *n; i++)
    {
        if (!strcmp((bd + i)->deleted, "deleted"))
        {
            return i;
        }
    }
    return *n;
}
int show_line(person* bd, int line, int* n)
{
    if (line >= 0 && line < *n && strcmp((bd + line)->deleted, "deleted"))
    {
        printf("%s %i %f\n", (bd + line)->name, (bd + line)->schet, (bd + line)->summ);
    }
    else
    {
        puts("Error\n");
    }
    return 1;
}