/*
 *  user.cpp
 *  PROJECTO #1
 *
 *  Created by Miguel Oliveira & Rui Couto on 22/03/2011.
 *
 */

#include "user.h"
#include <string>
#include <iostream>
#include <vector>

using namespace std;

IdentNum User::numUsers = 0;			//number of users begins with 0

/*
 ########################################
 ##         CONSTRUCTORS         ##
 ########################################
 */

User::User ()							//used to with the temp objects
{
	setID (0);
	name = "UNKNOWN NAME USER";
}

User::User (string name, string pass)	//when adding a user, receives a name and password
{
	numUsers++;							//the number of users, increases with each new user
	setID (numUsers);					//the ID of the new user will be the same as the number of users, since number of users is always different
	setName (name);						//set the name as the name received
	setPass (pass);						//set the password as the string received as password
	setActive(true);					//automatically set the status to true
	requestedBooks.clear();				//SAFETY MEASURE - making sure the vector is cleared
}


/*
 ########################################
 ##          GET FUNCTIONS             ##
 ########################################
 */

IdentNum User::getID () const			//returns id of the user;
{
	return ID;
}

string User::getName () const			//return the name of the user;
{
	return name;
}

string User::getPass () const			//returns the password of the user;
{
	return pass;
}

bool User::isActive () const			//returns the status of the user;
{
	return active;
}

vector<IdentNum> User::getRequestedBooks () const		//returns the vector with the user's requested books
{
	return requestedBooks;
}

bool User::hasBooksRequested () const	//returns true or false if the user has books requested or not
{
	if ( requestedBooks.empty() )
		return false;
	else
		return true;
}


/*
 ########################################
 ##          SET FUNCTIONS             ##
 ########################################
 */

void User::setID (IdentNum userID)		//define user ID
{
	ID = userID;
}

void User::setName (string userName)	//define user name
{
		name = userName;
}

void User::setPass (string userPass)	//define user password
{
	pass = userPass;
}

void User::setActive (bool status)		//define user status
{
	active = status;
}

void User::setRequestedBooks (const vector<IdentNum> &booksRequestedByUser)		//define requested books based on the vector that contains that information
{
	requestedBooks = booksRequestedByUser;

	if ( requestedBooks != booksRequestedByUser)								//SECURITY MEASURE - making sure the vectors were equalized
		cerr << "Error defining requestedBooks";
}

void User::setNumUsers (IdentNum num)	//define number of users
{
	numUsers = num;
}

void User::borrowBook (IdentNum bookID)	//method to borrow the books, receives book ID and adds it to the vector of requestedBooks
{
	requestedBooks.push_back(bookID);
}

void User::returnBook (IdentNum bookID)		//method to return the books, receives book ID
{
	for (int i = 0; i < (int)requestedBooks.size(); i++)	//searches book ID on the requested books vector, and, if found, deletes it
	{
		if (requestedBooks[i] == bookID)
			requestedBooks.erase(requestedBooks.begin()+i);
	}
}