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

#define TEXT_WIDTH 20 /* define the text width for the printing */
#define VALUE_WIDTH 13 /* define the value width for the printing */

/* Define a element_t with all the needed data */
struct element_t{
    int atomic;
    char *name;
    char *symbol;
    char *class;
    double weight;
    int electrons[7];
};

/* function prototypes */
struct element_t scan_element();
void print_element(struct element_t e);

/* The main method, creates a new element, asks for user input and prints it */
int main(int argc, char **argv){
	/* declare a new element sodium */
    struct element_t sodium;

	/* initialize the sodium element with user input */
    sodium = scan_element();

	/* print the element sodium */
    print_element(sodium);

	/* exit the program with return value 0 */
    return 0;
}

/* The scan_element method, asks the user for input */
struct element_t scan_element(){
	/* declare a new element */
    struct element_t e;

	/* declare and allocate some memory for the values */
    e.name = malloc(10*sizeof(char));
    e.symbol = malloc(3*sizeof(char));
    e.class = malloc(15*sizeof(char));

	/* ask the user for the values */
    printf("Please enter the element properties: \n");
    scanf("%d %s %s %s %lf %d %d %d %d %d %d %d",
        &e.atomic,
        e.name,
        e.symbol,
        e.class,
        &e.weight,
        &e.electrons[0],
        &e.electrons[1],
        &e.electrons[2],
        &e.electrons[3],
        &e.electrons[4],
        &e.electrons[5],
        &e.electrons[6]
    );

	/* return the element */
    return e;
}

/* The print_element method, prints all of the values for the given element */
void print_element(struct element_t e){
	/* print the values */
    printf("%-*s: %*d\n", TEXT_WIDTH, "Atomic number", VALUE_WIDTH, e.atomic);
    printf("%-*s: %*s\n", TEXT_WIDTH, "Name", VALUE_WIDTH, e.name);
    printf("%-*s: %*s\n", TEXT_WIDTH, "Symbol", VALUE_WIDTH, e.symbol);
    printf("%-*s: %*s\n", TEXT_WIDTH, "Class", VALUE_WIDTH, e.class);
    printf("%-*s: %*f\n", TEXT_WIDTH, "Weight", VALUE_WIDTH, e.weight);
    printf("%-*s: %d %d %d %d %d %d %d\n", TEXT_WIDTH, "Electrons", e.electrons[0], e.electrons[1], e.electrons[2], e.electrons[3], e.electrons[4], e.electrons[5], e.electrons[6]);
}