import java.io.Serializable;
import java.text.DateFormat;
import java.util.Date;

public class Post implements Comparable<Post>, Serializable {

	private static final long serialVersionUID = -8960437653059420707L;

	private static int counter = 0;

	private String text;
	private Date date;
	private final Account creator;
	private final Integer postID;

	public Post(Account creator, String text) {
		this.text = text;
		date = new Date();
		this.creator = creator;
		counter++;
		this.postID = counter;
	}

	@Override
	public String toString() {
		DateFormat df = DateFormat.getInstance();
		String result = getPostID() + ";"+ creator + 
				";" + text + ";" + df.format(date) + ";";
		return result;
	}

	/**
	 * @return the text
	 */
	public String getText() {
		return text;
	}

	/**
	 * @param text the text to set
	 */
	public void setText(String text) {
		this.text = text;
	}

	/**
	 * @return the date
	 */
	public Date getDate() {
		return date;
	}

	/**
	 * @param date the date to set
	 */
	public void setDate(Date date) {
		this.date = date;
	}

	/**
	 * @return the creator
	 */
	public Account getCreator() {
		return creator;
	}

	/**
	 * @return the id
	 */
	public Integer getPostID() {
		return postID;
	}

	@Override
	public int compareTo(Post other) {
		if(date.before(other.getDate()))
			return 1;
		else if(date.before(other.getDate()))
			return -1;
		if(this.getPostID() < other.getPostID())
			return 1;
		else if(this.getPostID() > other.getPostID())
			return -1;
		return 0;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((creator == null) ? 0 : creator.hashCode());
		result = prime * result + ((postID == null) ? 0 : postID.hashCode());
		result = prime * result + ((text == null) ? 0 : text.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Post other = (Post) obj;
		if (creator == null) {
			if (other.creator != null)
				return false;
		} else if (!creator.equals(other.creator))
			return false;
		if (postID == null) {
			if (other.postID != null)
				return false;
		} else if (!postID.equals(other.postID))
			return false;
		if (text == null) {
			if (other.text != null)
				return false;
		} else if (!text.equals(other.text))
			return false;
		return true;
	}
}