package bookutil;

/**
 * This class represents a book. A book has a title, an author and a price
 */
public class Book {
  private String title;
  private String author;
  private int year;
  private float price;

  /**
   * Construct a Book object that has the provided title, author and  price
   *
   * @param title  the title to be given to this book
   * @param author the author of this book
   * @param year   year in which the book was published
   * @param price  the price to be assigned to this book
   */

  public Book(String title, String author, int year, float price) {
    this.title = title;
    this.author = author;
    this.year = year;
    this.price = price;
  }

  /**
   * Return the title of this book
   *
   * @return the title of this book
   */

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

  /**
   * Return the author of this book
   *
   * @return the author of this book
   */
  public String getAuthor() {
    return this.author;
  }

  /**
   * Return the price of this book
   *
   * @return the price of this book
   */
  public float getPrice() {
    return this.price;
  }

  /**
   * Return the year in which this book was published
   *
   * @return the year of publication
   */
  public int getYear() {
    return this.year;
  }

  public String toString() {
    return String.format("Title: %s Author: %s Year: %d Price: %.2f",
            this.title, this.author, this.year, this.price);
  }

  /**
   * Determine if this book was published before the given year
   *
   * @param year the year to test against
   * @return true if this book was published before the provided year, false
   * otherwise
   */
  public boolean before(int year) {
    return this.year < year;
  }

  /**
   * Determine if this book is cheaper than the book passed to it
   *
   * @param book the book whose price should be compared to this book
   * @return true if this book is cheaper than the other book, false otherwise
   */
  public boolean cheaperThan(Book book) {
    return this.price < book.getPrice();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }

    if (!(o instanceof Book)) {
      return false;
    }
    Book other = (Book) o;
    return this.title.equals(other.getTitle())
           && (this.year == other.getYear());
  }


}