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

typedef struct Product {
	int id;
	char name[30];
	int quantity;

	struct Product *next;
	struct Product *prev;
} Product;

Product *create_product(int id, char *name, int quantity) {
	Product *newProduct = (Product *)malloc(sizeof(Product));
	newProduct->id=id;
	strcpy(newProduct->name, name);
	newProduct->quantity=quantity;

	newProduct->next = NULL;
	newProduct->prev = NULL;

	return newProduct;
}

Product* insert_product(Product *head, int id, char *name, int quantity) {
	Product *new_product = create_product(id, name, quantity);
	if(new_product == NULL) {
		printf("Failed to create product\n");
		return new_product;
	}

	if(head == NULL) {
		return new_product;
	}

	Product *temp = head;
	while(temp->next != NULL) {
		temp = temp->next;
	}

	temp->next = new_product;
	return head;
}

void print_products(Product *head) {
	Product *temp = head;
	while(temp != NULL) {
		printf("Product id: %d\n", temp->id);
		printf("Name: %s\n", temp->name);
		printf("Quantity: %d\n\n", temp->quantity);
		temp = temp->next;
	}
	printf("\n");
}

int main() {




	return 0;
}