import java.text.ParseException;
import java.time.LocalDate;
import java.util.Date;
import java.util.concurrent.TimeUnit;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class Main {
static String Enter;
static Scanner input = new Scanner(System.in);
static List<Admin> AdminList = new ArrayList<>();
static List<Customer> CustomerList = new ArrayList<>();
static List<Book> BooksList = new ArrayList<>();
static List<Cart> CartList = new ArrayList<>();
static List<Borrowed> BorrowedList = new ArrayList<>();
static List<Fine> FineList = new ArrayList<>();
public static void main(String[] args) throws ParseException {
Admin AdminTemp = new Admin("Keshav", "1234");
AdminList.add(AdminTemp);
Book BookTemp1 = new Book("OneNight@CallCenter", "Chetan Bhagat", "Story", 978812910816L,95);
BooksList.add(BookTemp1);
Book BookTemp2 = new Book("OneNight@CallCenter", "Chetan Bhagat", "Story", 978812910818L,95);
BooksList.add(BookTemp2);
Book BookTemp3 = new Book("ITooHadALoveStory", "Ravinder Singh", "Story", 9780670090747L,399);
BooksList.add(BookTemp3);
Book BookTemp4 = new Book("BriefAnswerstotheBigQuestions", "Stephen Hawking", "Science", 9780670090106L,247);
BooksList.add(BookTemp4);
Book BookTemp5 = new Book("ABriefHistoryOfTime", "Stephen Hawking", "Science", 9780670090509L,149);
BooksList.add(BookTemp5);
Customer CustomerTemp1 = new Customer("
[email protected]", "customer123", "User1", "Chennai", 1500,CustomerList.size());
CustomerList.add(CustomerTemp1);
Customer CustomerTemp2 = new Customer("
[email protected]", "keshav123", "User2", "Chennai", 1500,CustomerList.size());
CustomerList.add(CustomerTemp2);
boolean loop =true;
while(loop){
clrscr();
System.out.println("Welcome to LibraryApplication :)\n\nChoose any option : \n----------\n1.Admin\n2.Customer\n3.Exit\n----------\n");
int MainInput = input.nextInt();
switch(MainInput){
case 1:
AdminAuth();
break;
case 2:
CustomerAuth();
break;
default:
loop = false;
break;
}
}
}
public static void AdminAuth(){
clrscr();
System.out.println("Choose any option : \n----------\n1.Already have Account\n2.Create Account\n3.Back\n----------\n");
int AuthInput = input.nextInt();
switch(AuthInput){
case 1:
Admin();
break;
case 2:
clrscr();
System.out.print("Enter UserName : ");String UserName = input.next();
System.out.print("Enter Password : ");String Password = input.next();
Admin AdminTemp = new Admin(UserName, Password);
AdminList.add(AdminTemp);
System.out.println("\n\nAccount created Suscessfully");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
break;
default:
break;
}
}
public static void Admin(){
clrscr();
boolean Auth = false;
System.out.print("Enter UserName : ");String UserName = input.next();
System.out.print("Enter Password : ");String Password = input.next();
for(Admin i : AdminList){
if(i.UserName.equals(UserName) && i.Password.equals(Password)){
Auth = true;
}
}
if(Auth){
boolean loop =true;
while(loop){
clrscr();
System.out.println("Welcome Admin " +UserName);
System.out.println("\nChoose any option : \n----------\n1.Add Book\n2.View All Books\n3.Search Book By ISBN\n4.Search Book By Name\n5.Books Most Used\n6.Books Not Used\n7.Books Not Returned\n8.Remove Books\n9.Log Out\n----------");
int AdminInput = input.nextInt();
switch(AdminInput){
case 1:
AddBook();
break;
case 2:
ViewAllBooks();
break;
case 3:
BookByIsbn();
break;
case 4:
BookByName();
break;
case 5:
BookMostUsed();
break;
case 6:
BookNotUsed();
break;
case 7:
BookNotReturned();
break;
default:
loop = false;
break;
}
}
}else{
clrscr();
System.out.println("\n\nInvalid Account!");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void CustomerAuth() throws ParseException{
clrscr();
System.out.println("Choose any option : \n----------\n1.Already have Account\n2.Create Account\n3.Back\n----------\n");
int AuthInput = input.nextInt();
switch(AuthInput){
case 1:
Customer();
break;
case 2:
clrscr();
System.out.print("Enter Email : ");String Email = input.next();
System.out.print("Enter Password : ");String Password = input.next();
System.out.print("Enter Name : ");String Name = input.next();
System.out.print("Enter Address : ");String Address = input.next();
System.out.print("InitialDeposit(1500) : ");int InitialDeposite = input.nextInt();
Customer CustomerTemp = new Customer(Email, Password, Name, Address, InitialDeposite,CustomerList.size());
CustomerList.add(CustomerTemp);
System.out.println("\n\nAccount created Suscessfully");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
break;
default:
break;
}
}
public static void Customer() throws ParseException{
clrscr();
boolean Auth = false;
System.out.print("Enter Email : ");String Email = input.next();
System.out.print("Enter Password : ");String Password = input.next();
Customer Customer = new Customer("", "", "", "", 0, 0);
for(Customer i : CustomerList){
if(i.Email.equals(Email) && i.Password.equals(Password)){
Customer = i;
Auth = true;
}
}
if(Auth){
boolean loop =true;
while(loop){
clrscr();
System.out.println("Welcome " + Customer.Name);
System.out.println("\nChoose any option : \n----------\n1.View Books\n2.View Cart\n3.Borrowed History\n4.Fine History\n5.Search Book By Name\n6.Return Book\n7.Your Profile\n8.Logout\n----------\n");
int CustomerInput = input.nextInt();
switch(CustomerInput){
case 1:
ViewAllBooksCustomer(Customer);
break;
case 2:
ViewCart(Customer.Id);
break;
case 3:
BorrowedHistory(Customer.Id);
break;
case 4:
FineHistory(Customer.Id);
break;
case 6:
ReturnBook(Customer.Id);
break;
case 7:
YourProfile(Customer.Id);
break;
default:
loop = false;
break;
}
}
for(int i=0 ; i<CartList.size();i++){
CartList.remove(i);
}
}else{
clrscr();
System.out.println("\n\nInvalid Account!");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void ViewAllBooks(){
clrscr();
System.out.println("------All Books------\n");
for( Book i : BooksList){
if(i.Borrowed){
for(Borrowed j : BorrowedList){
if(i.Isbn.equals(j.Book.Isbn)){
System.out.println("ISBN : "+i.Isbn+"\nName : "+i.BookName+"\nAuthor : "+i.Author+"\nGenre : "+i.Genre+"\nBorrowed : by User "+j.Customer.Id+"\nBorrowedCount : "+i.BorrowedCount+"\n----------\n");
}
}
}else{
System.out.println("ISBN : "+i.Isbn+"\nName : "+i.BookName+"\nAuthor : "+i.Author+"\nGenre : "+i.Genre+"\nBorrowed : No \nBorrowedCount : "+i.BorrowedCount+"\n----------\n");
}
}
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
public static void ViewAllBooksCustomer(Customer Customer){
clrscr();
System.out.println("------All Books------\n");
for( Book i : BooksList){
if(i.Borrowed == false){
System.out.println("ISBN : "+i.Isbn+"\nName : "+i.BookName+"\nAuthor : "+i.Author+"\nGenre : "+i.Genre+"\n----------");
}
}
System.out.println("\nEnter ISBN to Add Cart : ");Long Isbn = input.nextLong();
AddToCart(Isbn, Customer );
}
public static void ViewCart( String UserId){
clrscr();
boolean BookNull = true;
System.out.println("----------Your Cart----------");
for(Cart i : CartList){
if(i.Customer.Id.equals(UserId)){
System.out.println("ISBN : "+i.Book.Isbn+"\nName : "+i.Book.BookName+"\nAuthor : "+i.Book.Author+"\nGenre : "+i.Book.Genre+"\n----------");
BookNull = false;
}
}
if(BookNull){
System.out.println("\nNo Data Found");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.print("\nEnter 1 to Checkout All \nOr Enter ISBN to delete\n");Long CartInput = input.nextLong();
if(CartInput.equals(1L)){
Checkout(UserId);
}else{
boolean Removed = false;
for(int i=0 ;i<CartList.size();i++){
if(CartList.get(i).Customer.Id.equals(UserId) && CartList.get(i).Book.Isbn.equals(CartInput)){
CartList.remove(i);
for(Customer j : CustomerList){
if(j.Id.equals(UserId)){
j.CartItemCount-=1;
}
}
Removed = true;
}
}
if(Removed){
System.out.println("\nRemoved Sucessfully");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
ViewCart(UserId);
}else{
System.out.println("\nTry Again");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
}
}
public static void Checkout(String UserId){
boolean CartNotNull = false;
for(int i =0;i<CartList.size();i++){
if(CartList.get(i).Customer.Id.equals(UserId)){
LocalDate Today = LocalDate.now();
Borrowed BorrowedTemp = new Borrowed(CartList.get(i).Book, CartList.get(i).Customer ,Today.getDayOfMonth(),Today.getMonthValue(),Today.getYear());
BorrowedList.add(BorrowedTemp);
for(int j=0 ;j<BooksList.size();j++){
if(BooksList.get(j).Isbn.equals(CartList.get(i).Book.Isbn) && BooksList.get(i).Borrowed==false){
BooksList.get(j).Borrowed = true ;
BooksList.get(j).BorrowedCount+=1;
}
}
CartList.remove(i);
}
}
for(Cart i : CartList){
if(i.Customer.Id.equals(UserId)){
CartNotNull = true;
}
}
if(CartNotNull){
Checkout(UserId);
}else{
clrscr();
for(Customer i : CustomerList){
if(i.Id.equals(UserId)){
i.CartItemCount=0;
}
}
System.out.println("\nAll Books Checked Out :) ");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void ReturnBook(String UserId) throws ParseException{
clrscr();
System.out.println("------Return Book-------\n\n");
boolean BooksNull = true;
for(Borrowed i : BorrowedList){
if(i.Customer.Id.equals(UserId) && i.Returned==false){
System.out.println("ISBN : "+i.Book.Isbn+"\nName : "+i.Book.BookName+"\nAuthor : "+i.Book.Author+"\nGenre : "+i.Book.Genre+"\n----------");
BooksNull = false;
}
}
if(BooksNull){
System.out.println("\nNo Data Found");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\n\nEnter ISBN : ");Long isbn = input.nextLong();
System.out.println("\n\nEnter Return Date :");
System.out.print("\nDay(dd) : ");int Day = input.nextInt();
System.out.print("\nMonth(mm) : ");int Month = input.nextInt();
System.out.print("\nYear(yyyy) : ");int Year = input.nextInt();
boolean Booknull = true;
for(int i=0;i<BorrowedList.size();i++){
if(BorrowedList.get(i).Book.Isbn.equals(isbn) && BorrowedList.get(i).Customer.Id.equals(UserId)){
Date BorrowedDate = new Date(BorrowedList.get(i).BorrowedYear , BorrowedList.get(i).BorrowedMonth,BorrowedList.get(i).BorrowedDay);
Date TodayDate = new Date(Year,Month,Day);
long Date1= TimeUnit.MILLISECONDS.toDays(TodayDate.getTime());
long Date2= TimeUnit.MILLISECONDS.toDays(BorrowedDate.getTime());
long diffrence = Date1 - Date2;
if(diffrence>15){
int fine = ((int)diffrence - 15)*2;
clrscr();
System.out.print("Enter the fine Amount of Rs : "+fine);int FineAmount = input.nextInt();
if(FineAmount == fine){
Fine FineTemp = new Fine(BorrowedList.get(i), FineAmount, "Late Return Total "+diffrence+" Days");
FineList.add(FineTemp);
clrscr();
BorrowedList.get(i).Returned = true;
BorrowedList.get(i).ReturnedDay = Day;
BorrowedList.get(i).ReturnedMonth = Month;
BorrowedList.get(i).ReturnedYear = Year;
for(Book j : BooksList){
if(j.Isbn.equals(isbn)){
j.Borrowed = false;
}
}
Booknull = false;
}else{
System.out.println("Invalid");
}
}else{
BorrowedList.get(i).Returned = true;
for(Book j : BooksList){
if(j.Isbn.equals(isbn)){
j.Borrowed = false;
}
}
Booknull = false;
}
}
}
if(Booknull){
System.out.println("\nNo Data Found");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\nBook Returned Sucessfully");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
}
public static void BorrowedHistory(String UserId){
clrscr();
System.out.println("------Borrowed History-------\n\n");
boolean BooksNull = true;
for(Borrowed i : BorrowedList){
if(i.Customer.Id.equals(UserId)){
System.out.println("ISBN : "+i.Book.Isbn+"\nName : "+i.Book.BookName+"\nAuthor : "+i.Book.Author+"\nGenre : "+i.Book.Genre+"\nReturned : "+i.Returned+"\nBorrowed Date : "+i.BorrowedDay+"-"+i.BorrowedMonth+"-"+i.BorrowedYear+"\nReturned Date : "+"\n----------");
BooksNull = false;
}
}
if(BooksNull){
System.out.println("\nNo Data Found");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\n\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void YourProfile(String UserId){
clrscr();
for(Customer i : CustomerList){
if(i.Id.equals(UserId)){
System.out.println("\n----------Your Profile----------\n\nUserID : "+i.Id+"\nName : "+i.Name+"\nEamil : "+i.Email +"\nAddress : "+i.Address);
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
}
public static void AddToCart(Long Isbn, Customer Customer){
boolean Added =false;
for(Book i : BooksList){
if(i.Isbn.equals(Isbn)){
if(i.Borrowed){
System.out.println("\nWrong Input");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
boolean AlredyExist = false;
for(int j = 0 ; j<CartList.size();j++){
if(i.BookName.equals(CartList.get(j).Book.BookName) && Customer.Id.equals(CartList.get(j).Customer.Id)){
AlredyExist =true;
}
}
if(AlredyExist){
System.out.println("\nBook Already exist in Your cart");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
ViewAllBooksCustomer(Customer);
}else{
if(Customer.CartItemCount>=3){
System.out.println("\nCart Limit reached Checkout or delete Books");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
for(Customer k : CustomerList){
if(k.Id.equals(Customer.Id)){
k.CartItemCount+=1;
Cart CartTemp = new Cart(i,Customer);
CartList.add(CartTemp);
Added = true;
clrscr();
System.out.println("\nBook Added to Cart");
System.out.println("\nEnter 1 to Continue \nEnter 2 to MainMenu \n ");int oneandtwo = input.nextInt();
if(oneandtwo==1){
ViewAllBooksCustomer(Customer);
}
}
}
}
}
}
}
}
}
public static void AddBook(){
clrscr();
System.out.print("Enter Book Name : ");String BookName = input.next();
System.out.print("Enter Author Name : ");String Author = input.next();
System.out.print("Enter Genre : ");String Genre = input.next();
System.out.print("Enter Book Price : ");int BookPrice = input.nextInt();
System.out.print("Enter No Of Books : ");int BookCount = input.nextInt();
System.out.println("----------\n");
Long[] Isbns = new Long[BookCount];
for(int i=0;i<BookCount;i++){
System.out.print("ISBN of Book "+(i+1)+" : ");Long Isbn = input.nextLong();
Isbns[i] = Isbn;
}
for(int i=0;i<BookCount;i++){
Book BookTemp = new Book(BookName, Author, Genre, Isbns[i],BookPrice);
BooksList.add(BookTemp);
}
System.out.println("\n\nBooks Added Suscessfully");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
public static void BookByIsbn(){
clrscr();
System.out.println("-----Search Books By ISBN-----\n");
System.out.print("Enter ISBN : ");Long isbn = input.nextLong();
System.out.println("");
boolean BooksNull = true;
for( Book i : BooksList){
if(i.Isbn.equals(isbn)){
System.out.println("ISBN : "+i.Isbn+"\nName : "+i.BookName+"\nAuthor : "+i.Author+"\nGenre : "+i.Genre+"\n----------");
BooksNull = false;
}
}
if(BooksNull){
System.out.println("\nNo Books Found : ");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void BookByName(){
clrscr();
System.out.println("-----Search Books By Name-----\n");
System.out.print("Enter Book Name : ");String BookName = input.next();
System.out.println("");
boolean BooksNull = true;
for( Book i : BooksList){
if(i.BookName.equals(BookName)){
System.out.println("ISBN : "+i.Isbn+"\nName : "+i.BookName+"\nAuthor : "+i.Author+"\nGenre : "+i.Genre+"\n----------");
BooksNull = false;
}
}
if(BooksNull){
System.out.println("\nNo Books Found ");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void BookNotReturned(){
clrscr();
System.out.println("--------Books Not Returned--------\n");
boolean BooksNull = true;
for(Borrowed i : BorrowedList){
System.out.println("ISBN : "+i.Book.Isbn+"\nName : "+i.Book.BookName+"\nAuthor : "+i.Book.Author+"\nGenre : "+i.Book.Genre+"\nBorrower Name : "+i.Customer.Name+"\nBorrower Id : "+i.Customer.Id+"\nBorrowed Date : "+i.BorrowedDay+"-"+i.BorrowedMonth+"-"+i.BorrowedYear+"\n----------\n");
BooksNull = false;
}
if(BooksNull){
System.out.println("\nNo Books Found ");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void BookMostUsed(){
clrscr();
System.out.println("--------Books Most Used--------\n");
boolean BooksNull = true;
for(Book i : BooksList){
if(i.BorrowedCount>=5){
System.out.println("ISBN : "+i.Isbn+"\nName : "+i.BookName+"\nAuthor : "+i.Author+"\nGenre : "+i.Genre+"\nBorrowed Count : "+i.BorrowedCount+"\n----------");
BooksNull = false;
}
}
if(BooksNull){
System.out.println("\nNo Books Found ");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void BookNotUsed(){
clrscr();
System.out.println("--------Books not Used--------\n");
boolean BooksNull = true;
for(Book i : BooksList){
if(i.BorrowedCount<=1){
System.out.println("ISBN : "+i.Isbn+"\nName : "+i.BookName+"\nAuthor : "+i.Author+"\nGenre : "+i.Genre+"\nBorrowed Count : "+i.BorrowedCount+"\n----------");
BooksNull = false;
}
}
if(BooksNull){
System.out.println("\nNo Books Found ");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void RemoveBook(){
}
public static void FineHistory(String UserId){
clrscr();
System.out.println("------Fine History-------\n\n");
boolean BooksNull = true;
for(Fine i : FineList){
if(i.Borrowed.Customer.Id.equals(UserId)){
System.out.println("ISBN : "+i.Borrowed.Book.Isbn+"\nName : "+i.Borrowed.Book.BookName+"\nAuthor : "+i.Borrowed.Book.Author+"\nGenre : "+i.Borrowed.Book.Genre+"\nReturned : "+i.Borrowed.Returned+"\nBorrowed Date : "+i.Borrowed.BorrowedDay+"-"+i.Borrowed.BorrowedMonth+"-"+i.Borrowed.BorrowedYear+"\nReturned Date : "+i.Borrowed.ReturnedDay+"-"+i.Borrowed.ReturnedMonth+"-"+i.Borrowed.ReturnedYear+"\nFine Amount Rs: "+i.Fine+"\nFine Reson : "+i.Reason+"\n----------");
BooksNull = false;
}
}
if(BooksNull){
System.out.println("\nNo Data Found");
System.out.println("\nEnter 1 to Continue : ");Enter = input.next();
}else{
System.out.println("\n\nEnter 1 to Continue : ");Enter = input.next();
}
}
public static void clrscr(){
System.out.print("\033[H\033[2J");
System.out.flush();
}
}
class Book{
String BookName , Author , Genre ;
int BorrowedCount = 0;
boolean Borrowed = false;
int BookPrice ;
Long Isbn ;
public Book(String BookName , String Author , String Genre , Long Isbn ,int BookPrice){
this.BookName = BookName;
this.Author = Author;
this.Genre = Genre;
this.Isbn = Isbn;
this.BookPrice = BookPrice;
}
}
class Customer{
String Email , Password , Name, Address ,Id;
int InitialDeposite;
int CartItemCount = 0;
public Customer(String Email , String Password ,String Name, String Address , int InitialDeposite,int Idnumber){
this.Email = Email;
this.Password = Password;
this.Address = Address;
this.InitialDeposite = InitialDeposite;
this.Name = Name;
this.Id = "LA00"+ (Idnumber+1);
}
}
class Admin{
String UserName , Password ;
public Admin(String UserName , String Password){
this.UserName = UserName;
this.Password = Password;
}
}
class Cart{
Book Book ;
Customer Customer;
public Cart(Book Book , Customer Customer){
this.Book = Book;
this.Customer = Customer;
}
}
class Borrowed{
Book Book ;
Customer Customer;
boolean Returned = false;
int BorrowedDay ,BorrowedMonth , BorrowedYear , ReturnedDay ,ReturnedMonth ,ReturnedYear ;
public Borrowed(Book Book , Customer Customer,int BorrowedDay ,int BorrowedMonth ,int BorrowedYear){
this.Book = Book;
this.Customer = Customer;
this.BorrowedDay = BorrowedDay;
this.BorrowedMonth= BorrowedMonth;
this.BorrowedYear = BorrowedYear;
}
}
class Fine{
Borrowed Borrowed;
int Fine;
String Reason;
public Fine(Borrowed Borrowed, int Fine , String Reason){
this.Borrowed = Borrowed;
this.Fine = Fine;
this.Reason = Reason;
}
}
