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

struct Product
{
   char  name[50];
   int  type;
   double  weight;
   double  price;
   int quantity;
};

enum type
{
    food,
    drink
};

int main()
{
    const int maxProductPerCell = 3;

    printf("Enter X:");
    int x;
    scanf ("%d",&x);

    printf("Enter Y:");
    int y;
    scanf ("%d",&y);

    printf("\nVending Machine size is %dx%d\n\n", x,y);

    struct Product machine[x][y];

    for(int i = 0; i < x; i++)
    {
        for(int j = 0; j < y; j++)
        {
            struct Product temp;
            printf("Enter product name:");
            scanf("%s", temp.name);

            printf("Enter product type (food or drink):");
            char type[20];
            scanf("%s", type);

            while (strcmp(type, "food") != 0 && strcmp(type, "drink") != 0)
            {
                printf("Error try again (type food or drink):");
                scanf("%s", type);
            }

            if(strcmp(type, "food") == 0)
            {
                temp.type = food;
            }
            if(strcmp(type, "drink") == 0)
            {
                temp.type = drink;
            }

            printf("Enter product weight:");
            scanf("%lf", &temp.weight);

            printf("Enter product price:");
            scanf("%lf", &temp.price);

            printf("Enter product quantity (max 3):");
            scanf("%d", &temp.quantity);

            while (temp.quantity > maxProductPerCell)
            {
                printf("Error max 3 element per Cell try again:");
                scanf("%d", &temp.quantity);
            }

            machine[i][j] = temp;

            if(j < y - 1)
            {
                printf("\nNext Product\n");
            }
        }

        if(i < x - 1)
        {
            printf("\nNext Product\n");
        }
    }

    //Sorting Algorithm
    for(int i = 0; i < x * y; i++)
    {
        for(int j = i + 1; j < x * y; j++)
        {
            if(machine[i / x][i % x].type > machine[j / x][j % x].type ||
                (machine[i / x][i % x].type == machine[j / x][j % x].type &&
                 machine[i / x][i % x].weight > machine[j / x][j % x].weight)){
                struct Product temp = machine[j / x][j % x];
                machine[j / x][j % x] = machine[i / x][i % x];
                machine[i / x][i % x] = temp;
                i--;
                break;
            }
        }
    }


    //PRINT
    printf("\n\n\n|----VENDING MACHINE----|\n");
    for(int i = 0; i < x; i++)
    {
        for(int j = 0; j < y; j++)
        {
            printf("|%s(x%d)| ", machine[i][j].name, machine[i][j].quantity);
        }
        printf("\n");
    }
    printf("|-----------------------|\n\n\n");

    return 0;
}