#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int nService;
char Title[10000][30]={"Learn C++", "Learn Dart", "Why We Sleep", "Stories For Childeren", "The kitten nobody wanted"};
char Author[10000][30]={"Ahmed Adel", "Mohamed Amine", "Matthew Walker", "Unknown", "Tiger Tales"};
float Price[10000]={1.9, 10, 8.5, 5, 11.49};
int Quantity[10000]={999,38,20,63,500};
int x=5;
void Man();
void setBook();
void display();
void update();
void unsetBook();
void displaystock();
int main()
{
printf("=============Welcom To Our Library=============\n");
printf("Please Choose a Service:\n");
do{
Man();
switch (nService) {
case 1:
setBook();
break;
case 2:
display();
break;
case 3:
update();
break;
case 4:
unsetBook();
break;
case 5:
displaystock();
break;
case 6:
printf("See You!");
break;
}
if(nService<0)
printf ("Something Wrong *_* Try Again!\n");
else if (nService>7)
printf("Service not Found! Try Again :(\n");
}while(nService != 6);
}
void Man()
{
printf("1. Add a Book to Stock.\n");
printf("2. Show all Available Books.\n");
printf("3. Update The Quantity of Book.\n");
printf("4. Remove a Book from The Stock.\n");
printf("5. Display The Total Number of Books in The Stock.\n");
printf("6. Exit.\n");
printf ("Number of service: ");
scanf("%d",&nService);
}
void setBook()
{
printf ("Name of book/novel: ");
getchar();
fgets (Title[x],30,stdin);
Title[x][strcspn(Title[x], "\n")] = '\0';
printf ("Author: ");
getchar();
fgets (Author[x],30,stdin);
Author[x][strcspn(Author[x], "\n")] = '\0';
printf ("The price of book/novel: ");
scanf ("%f",&Price[x]);
printf ("The quantity in stock: ");
scanf ("%d",&Quantity[x]);
printf("Congratulations! Your Book (%s) was added successfully.\n",Title[x]);
x++;
}
void display()
{
for(int i = 0 ; i < x ; i++){
printf ("<-------Book%d------->\n",i+1);
printf ("Title: %s\n",Title[i]);
printf ("Author: %s\n",Author[i]);
printf ("Price: %.2f$\n",Price[i]);
printf ("Quantity: %d\n",Quantity[i]);
}
}
void update()
{
char search[30];
int found=0;
printf("Please Enter The Name Of Book: ");
getchar();
fgets (search, 30, stdin);
search[strcspn(search, "\n")] = '\0';
for (int i=0; i<x; i++){
if (strcmp(search,Title[i])==0){
printf("Add The New Quantity of This Book: ");
scanf("%d",&Quantity[i]);
printf("The changes were successfully completed!");
found=1;
break;
}
}
if (found==0) {
printf ("The Book Not Found -_-");
}
}
void unsetBook()
{
char search[30];
int index=0;
printf("Please Enter The Book's Name you want to remove: ");
getchar();
fgets (search, 30, stdin);
search[strcspn(search, "\n")] = '\0';
for (int i=0; i<x; i++){
if (strcmp(search,Title[i])==0){
index=i;
}
}
for (int i=index; i<x-1; i++){
strcpy(Title[i], Title[i+1]);
strcpy(Author[i], Author[i+1]);
Price[i] = Price[i+1];
Quantity[i] = Quantity[i+1];
}
x--;
}
void displaystock()
{
printf("The Total Number Of Books in Stock is: %d\n",x);
int total=0;
for (int i=0; i<x; i++){
total+=Quantity[i];
}
printf("Books Qunatities: %d\n", total);
}
