void remove_goods_IO(goods_t * l, int page)
{
printf("\n\tWhat ware would you like to remove? [1-20] _");
int index = read_int();
int ware = get_element(page, index);
goods_t *ptr = &l[ware];
display_goods(l[ware]);
printf("\n\tAre you sure you want to delete your ware? [Y]es/[N]o _");
int loop = 1;
while(loop)
{
char c = read_char();
switch(c)
{
case 'Y':
{
remove_ware(ptr);
return;
}
case 'N':
return;
default:
printf("Invalid input _");
break;
}
}
}
int main(void)
{
char input = 1;
struct Goods all_wares[100];
int index = 0;
struct action undo;
while(input != 'Q' && input != 'q')
{
puts("\n\nWelcome to Warehouse number 42\n"
"[A]dd a good\n"
"[R]emove a good\n"
"[E]dit a good\n"
"[P]rint a good\n"
"[U]ndo a bad decision\n"
"[L]ist everything\n"
"[Q]uit this amazing program\n");
input = ask_for_char("Your options: ", "AaRrEePpUuLlQq");
if (input == 'A' || input == 'a')
{
//ger oss en pekare till en bit av minne med storleken av struct goods
struct Goods *temp = malloc(sizeof(struct Goods));
//checkar så att pekaren inte är null dvs pekaren är giltig
assert(temp != NULL);
add_good(temp, index, all_wares);
bool done = false;
char choice;
while (!done)
{
print_good(temp);
choice = ask_for_char("\nSave, Discard, Edit :", "SsDdEe");
if (choice == 'S' || choice == 's')
{
undo.type = 1;
undo.mark = &all_wares[index];
all_wares[index] = *temp;
index++;
done = true;
}
else if (choice == 'D' || choice == 'd')
{
printf("Discarded\n"); //skarv
done = true;
}
else if (choice == 'E' || choice == 'e')
{
edit_good(temp, index, all_wares);
done = false;
}
else
{
printf("\nFaulty code");
}
}
assert(temp != NULL);
free(temp);
}
else if (input == 'R' || input == 'r')
{
int choosenGood = choose_listedgood(all_wares, index);
if (choosenGood >= 0)
{
undo.type = 2;
undo.mark = &all_wares[choosenGood];
undo.saved = all_wares[choosenGood];
remove_ware(&all_wares[choosenGood]);
}
}
else if (input == 'E' || input == 'e')
{
int choosenGood = choose_listedgood(all_wares, index);
if (choosenGood >= 0)
{
undo.type = 3;
undo.mark = &all_wares[choosenGood];
undo.saved = all_wares[choosenGood];
edit_good(&all_wares[choosenGood], index, all_wares);
}
}
else if (input == 'P' || input == 'p')
{
int choosenGood = choose_listedgood(all_wares, index);
if (choosenGood >= 0)
{
print_good(&all_wares[choosenGood]);
}
}
else if (input == 'U' || input == 'u')
{
if (undo.type == 0)
{
printf("\nNothing to undo");
}
// Add
else if (undo.type == 1)
{
remove_ware(undo.mark);
undo.type = 0;
index--;
}
// Remove
else if (undo.type == 2)
{
*undo.mark = undo.saved;
undo.type = 0;
}
// Edit
else if (undo.type == 3)
{
*undo.mark = undo.saved;
undo.type = 0;
}
}
else if (input == 'L' || input == 'l')
{
int page = 0;
char choice = 1;
while (choice != 'C' && choice != 'c')
{
list_goods(all_wares, index, page);
//för att se om det finns mer varor på nästa page, annars är det "end page"
if (index >((1+page)*20))
{
choice = ask_for_char("\nNext page or Cancel ", "NnCc");
}
else
{
choice = ask_for_char("\nEnd page, please Cancel", "Cc");
}
if (choice == 'N' || choice == 'n')
{
page++;
}
}
}
else
{
printf("Du are Dolig\n");
}
}
return 0;
}
