#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define index 4

void clrscr(){
    system("@cls||clear");
}

int i;

typedef struct {
	int no;
	char code[6];
	int stock;
	int price;
	char name[30];
}shop;

shop arrS[index] = {
	{01, "CR013", 5, 33000, "Bugatti Veyron"},
	{02, "CR107", 3, 41000, "Lexus LFA"},
	{03, "CR354", 1, 89000, "Audi R8"},
	{04, "CR731", 3, 62000, "BMW i8"}
};

void header() {
	printf("| Welcome to\n");
	printf("| Prestige Motorcars Cashier\n");
	printf("| \n\n");
}

void lists() {
	printf("| NO | CODE  |\t\t   NAME | STOCK | PRICE\t   |\n");
	for (i=0; i<index; i++) {
		printf("| %d  | %5s |  %15s | %5d | Rp %d |\n", arrS[i].no, arrS[i].code, arrS[i].name, arrS[i].stock, arrS[i].price);
	}
}

void menu() {
	printf("| Our product price lists\n\n");
	lists();
	printf("\n| Menus\n\n");
	printf(" 1. Sell\n 2. Add Stock\n 3. Exit");
}

int main() {
	int choice, pil, sellqt, no, stock, price;
	char sellcode[6], code[6], name[30];
	header();
	home:
	menu();
	printf("\n\n| Select menu choice : ");
	scanf("%d", &choice);
	switch(choice) {
		case 1: {
			clrscr();
			do{
				printf("| You just chose 1!\n\n");
				lists();
				printf("\n\nPlease input the code [5 digit] : "); scanf("%s", &sellcode);
				for(i=0; i<index; i++) {
					if(strcmp(sellcode,arrS[i].code)==0) {
						printf("\n| Product found ! Name = %s",arrS[i].name);
						do{
							printf("\n| Please input quantity to sell [0..%d] : ", arrS[i].stock);scanf("%d", &sellqt);
							if(sellqt < arrS[i].stock) {
								arrS[i].stock = arrS[i].stock - sellqt;
								printf("\nTotal price is : Rp %d x %d = Rp %d", arrS[i].price, sellqt, arrS[i].price*sellqt);
								printf("\nThank you for selling.");
								getch();
								clrscr();
								goto home;
							}
							else {
								printf("| Quantity is not enough! \n");
								getch();
								choice = 5;
							}
						}while(choice == 5);
					}
					else if(index == 4 && strcmp(sellcode,arrS[i].code)!=0){
						choice = 4;
					}
				}
			}while(choice == 4);
		}
		case 2: {
			clrscr();
			do{
				printf("| You just chose 2!\n\n");
				lists();
				printf("\n\nPlease input the code [5 digit] : "); scanf("%s", &sellcode);
				for(i=0; i<index; i++){
					if(strcmp(sellcode,arrS[i].code)==0){
						printf("\nProduct found ! Name = %s", arrS[i].name);
						printf("\nInput quantity [0...%d] : ", arrS[i].stock);scanf("%d", &sellqt);
						arrS[i].stock = arrS[i].stock + sellqt;
						printf("\nStock successfully added.");
						getch();
						clrscr();
						goto home;
					}
					else if(index == 4 && strcmpi(sellcode,arrS[i].code)!=0){
						choice = 4;
					}
				}
			}while(choice == 4);
		}
		case 3: {
			clrscr();
			break;
		}
	}
}