LendingLibrary

import java.util.Scanner;

public class Library
{

	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);

		final int SIZE = 100;
		MediaItem[] media = new MediaItem[SIZE];
		int choice = 0;
		choice = displayMenu();
		int numberOfItems = 0;

		while (choice != 5)
		{
			int i = 0;
			switch (choice)

			{
			case 1: {
				numberOfItems = addItem(media, numberOfItems);
				break;
			}

			case 2: {
				markItemOnLoan(media, numberOfItems);
				break;
			}

			case 3: {
				listAllItems(numberOfItems, media);
				break;
			}

			case 4: {
				System.out.println("Which item? ");
                 String title = input.nextLine();
				markItemReturned(title, numberOfItems, media);
				break;
			}
			}
			choice = displayMenu();
		}
	}

	public static int displayMenu()
	{
		int choice = 0;

		Scanner input = new Scanner(System.in);


		System.out.println("1. Add new item");
		System.out.println("2. Mark and item as on loan");
		System.out.println("3. List all items");
		System.out.println("4. Mark an item as returned");
		System.out.println("5. Quit");
		System.out.println("What would you like to do?\n");

		choice = input.nextInt();
		input.nextLine();
		return (choice);
	}

	public static int addItem(MediaItem media[], int numberOfItems)
	{
		String title;
		String format;

		Scanner input = new Scanner(System.in);

		System.out.print("What is the title? ");
		title = input.nextLine();
		System.out.print("What is the format? ");
		format = input.nextLine();

		MediaItem item = new MediaItem(title, format);
		media[numberOfItems] = item;
		numberOfItems++;

		return (numberOfItems);

	}

	public static void markItemOnLoan(MediaItem media[], int numberOfItems)
	{
		Scanner input = new Scanner(System.in);
		String title;
		String name;
		String date;
		int called = 0;
		System.out.print("Which item do you want to loan? ");
		title = input.nextLine();


		if (called == 0)
			System.out.println("I'm sorry, I couldn't find " + title + " in the library.");
		else {


		called = 0;
		System.out.print("Who are you loaning it to? ");
		name = input.nextLine();
		System.out.print("What date did you loan it? ");
		date = input.nextLine();

		for (int i = 0; i < numberOfItems; i++)
		{
			if (title.equals(media[i].title))
			{
				media[i].markItemOnLoan(title, name, date);
				called = 1;
			}
		}
		}
		//if (called == 0)
		//	System.out.println("I'm sorry, I couldn't find " + title + " in the library.");
		//called = 0;
	}

	public static void listAllItems(int numberOfItems, MediaItem media[])
	{
		String[] str = new String[100];
		for (int i = 0; i < numberOfItems; i++) {
			if (media[i].onLoan)
				str[i] = "\n" + media[i].title + " " + media[i].format + " loaned to " + media[i].loanedTo + " on "
						+ media[i].dateLoaned;
			else
				str[i] = "\n" + media[i].title + " " + media[i].format;
			System.out.println(str[i] + "\n");
		}
	}
	public static void markItemReturned(String title, int numberOfItems, MediaItem media[])
	{
		int check = 0;

         for(int i = 0; i < numberOfItems; i++)
         {
             if(title.equals(media[i].title))
             {
                 media[i].markItemReturned(title);
                 check = 1;
             }
         }
         if(check == 0)
             System.out.println("I'm sorry, I couldn't find " + title + " in the library.");
         check = 0;
     }
}



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import java.util.Scanner;

public class MediaItem
{

	String title;
	String format;
	boolean onLoan;
	String loanedTo;
	String dateLoaned;

	MediaItem(String title, String format)
	{
        onLoan = false;
        this.title = title;
        this.format = format;
    }

	public void markItemOnLoan(String title, String name, String date)
	{
		if(onLoan == true)
			System.out.println( title + " is already on loan to " + loanedTo);
		else
		{
			onLoan = true;
			loanedTo = name;
			dateLoaned = date;
		}
	}


	public void markItemReturned(String title)
	{
		if(onLoan == false)
	            System.out.println(this.title + " is not currently on loan");
		else
			onLoan = false;


	}


	public String getDateLoaned()
	{
		return dateLoaned;
	}
	public void setDateLoaned(String dateLoaned)
	{
		this.dateLoaned = dateLoaned;
	}


	public String getFormat()
	{
		return format;
	}
	public void setFormat(String format)
	{
		this.format = format;
	}


	public boolean isOnLoan()
	{
		return onLoan;
	}
	public void setOnLoan(boolean onLoan)
	{
		this.onLoan = onLoan;
	}


	public String getLoanedTo()
	{
		return loanedTo;
	}
	public void setLoanedTo(String loanedTo)
	{
		this.loanedTo = loanedTo;
	}


	public String getTitle()
	{
		return title;
	}
	public void setTitle(String title)
	{
		this.title = title;
	}
}