#include <stdio.h>
#include <stdlib.h>
#include <string.h>



#define MAX_NAMELEN 20

int  counter = 1;
typedef struct car

{

    char name[MAX_NAMELEN];
    int year;
    double fuel;

}car_t;


car_t mycar; // THIS IS EQUAL TO STRUCT CAR MYCAR


int car_insert(FILE *fp, const car_t*car)
{
    fp = fopen( "car.txt","a+");
    printf("You create now a new car!\n");



    if(fp == NULL)
    {
          printf("Error!");
          exit(1);
    }

        printf("Name of the car: ");
        fscanf(stdin, "%s", mycar.name);

        printf("Year : ");
        fscanf(stdin, "%d", &mycar.year);


        printf("Fuel : ");
        fscanf(stdin, "%lf", &mycar.fuel);

        getchar();




        fprintf(fp,"%s  %d  %lf \n", mycar.name, mycar.year, mycar.fuel );
        //printf("HALLLLLOOOO\n");
    fclose(fp);

return 0;
}



void car_print_all(FILE *fp)
{

  int count =0;
char str[60];



fp = fopen("car.txt" , "r");
   if(fp == NULL) {

        printf("Error opening file");



   }while(fgets (str, 60 , fp) ) {

    ++count;

    printf("%i Car: %s",count,str);
   }
   fclose(fp);





}

int car_remove(FILE *fp, unsigned int index){

    int count = 0;

    fp = fopen( "car.txt","r+");

    char str[50];




    fseek(fp, 0, SEEK_SET);

    fprintf(fp, "-");

    while(fgets(str, 50, fp))
{

    ++count;
    if(count == index){

    //printf("%d\n",index);

    fseek(fp, 0, SEEK_SET);

    fprintf(fp, "-");
    break;
}



   //printf("STR: %d\n", str[8]-48 );
  //printf("INdex%d\n", index);
}








return 0;
}
int main()
{

char deletecreate;

unsigned int index;




FILE *car;

car = fopen("car.txt", "a+");

if (car == NULL){

    printf("Error! opening file\n");


    exit(1);
   }

 car_print_all(car);


do{


    printf("<D>elete or <C>reate?\n");
    scanf("%c", &deletecreate);




    if(deletecreate == 'd' || deletecreate == 'D')
    {

    printf("Which one do you want to delete?\n");
    scanf("%d", &index);

    fclose(car);

    car_remove(car, index);

    getchar();


    }if( deletecreate == 'c' || deletecreate == 'C'){

        car_insert(car, &mycar);
    }

}while(deletecreate == 'd' || deletecreate == 'D' || deletecreate == 'c' || deletecreate == 'C');




fclose(car);

return 0;
}