// library.h
// ----------------------------------------------------------------------
// Do not modify this file.
// 
// CSE 143
// Homework 2
// http://www.cs.washington.edu/education/courses/143/00su/homework/hw2/
// 25 Jun 2000


#ifndef _LIBRARY_H_
#define _LIBRARY_H_

#include "lbook.h"


//////////////////////////////////////////////////////////////////////
// constants

// in days
const int LOAN_DURATION = 21;

// overdue fines, in cents; used in computeFine
const int FIXED_FINE = 75;
const int PER_DAY_FINE = 15;

// in printBookList and processTransactionsFile, display entries
// this many at a time, so records don't scroll past top of window
const int ENTRIES_PER_SCREEN = 4;


//////////////////////////////////////////////////////////////////////
// prototypes

// pauses until user types a non-whitespace character and Return
void waitForChar(void);

// computes fine in cents for a book overdue by given number of days;
// see constants above
int computeFine(int daysOverdue);

// returns index of LibraryBook in bookList w/ ID matching given searchID
int findBookByID(LibraryBook bookList[], int bookCount, int searchID);

// reads given book catalogue file and writes elements of bookList,
// assigning the number of book records read to bookCount
void readBookFile(char fileName[], LibraryBook bookList[], 
                  int maxBookCount, int &bookCount);

// reads given transaction log file and processes each transaction,
// printing per-transaction data and overdue fine information, if
// applicable
void processTransactionsFile(char fileName[], 
                             LibraryBook bookList[], int bookCount);

// prints book records, one screen at a time; 
// see ENTRIES_PER_SCREEN above
void printBookList(LibraryBook bookList[], int bookCount);


#endif // _LIBRARY_H_