// inventory management system -> console based application
#include<stdio.h>

// new product

// int -> id
// string/ char arr -> name
// int-> quantity
// float -> price

// structure

#define MAX_ITEMS 100

typedef struct{
    int id;
    char name[50];
    int quantity;
    float price;
}Item;


Item inventory[MAX_ITEMS];
int itemCount = 0;

// adding items to the warehouse
void addItem(){
    Item newItem;
    printf("add items block\n");
    printf("Enter id\n");
    scanf("%d",&newItem.id);
    getchar();
    printf("Enter name \n");
    fgets(newItem.name, sizeof(newItem.name), stdin);
    printf("enter quantity \n");
    scanf("%d",&newItem.quantity);
    printf("enter price \n");
    scanf("%f", &newItem.price);
    
    inventory[itemCount] = newItem;
    itemCount++;
    
    printf("operation successfull !");


    // arr[index] = value

    // arr[0] = 1st product
    // arr[1] = 2nd product
    // arr[2] = 3rd product

}


void displayItems(){
    for(int i=0; i<itemCount; i++){
        printf("id is %d\n ",inventory[i].id);
        printf("name is %s\n ",inventory[i].name);
        printf("quantity is %d\n ",inventory[i].quantity);
        printf("price is %f\n ",inventory[i].price);
        
    }
}



int main(){
    
    int choice;
    do{
       printf("\n\n\n Welcome to inventory management system\n");
      printf("1. add an item\n");
      printf("2. display all the items\n");
      printf("3. search an item\n");
      printf("4. delete an item\n");
      printf("5. update an item\n");
      printf("6. calculate the inventory value\n");
      printf("7. exit the application");

      printf("just input!\n");
      scanf("%d",&choice); 

      switch(choice){
        case 1: 
            addItem();
            break;
        case 2:
            displayItems();
            break;
        case 3:
            printf("3 input  \n");
            break;
        case 4:
            printf("4 input  \n");
            break;
        case 5:
            printf("5 input  \n");
            break;
        case 6:
            printf("6 input  \n");
            break;
        case 7:
            printf(" exiting :)  \n");
            break;
        default:
            printf("sorry we dont support thhis option");
      }

    }while(choice !=7);
}