package de.t_battermann.dhbw.todolist;

import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.UUID;

/**
 * This class represents a todo item containing all the data.
 */
public class Todo {
	private String uuid;
	private String title = "No title";
	private boolean done = false;
	private boolean prio = false;
	private String comment = "";
	private Calendar dueDate = null;

	/**
	 * Instantiates a new empty Todo item.
	 */
	public Todo() {
		this.uuid = UUID.randomUUID().toString();
	}

	/**
	 * Instantiates a new Todo.
	 *
	 * @param uuid    the uuid
	 * @param title   the title
	 * @param comment the comment
	 * @param dueDate the due date
	 * @param done    Is the item done?
	 * @param prio    Has the item high priority?
	 */
	protected Todo(String uuid, String title, String comment, Calendar dueDate, boolean done, boolean prio) {
		this.uuid = uuid;
		this.title = title;
		this.comment = comment;
		this.dueDate = dueDate;
		this.done = done;
		this.prio = prio;
	}

	/**
	 * Instantiates a new Todo.
	 *
	 * @param title   the title
	 * @param comment the comment
	 */
	public Todo(String title, String comment) {
		this.uuid = UUID.randomUUID().toString();
		this.title = title;
		this.comment = comment;
	}

	/**
	 * Gets uuid.
	 *
	 * @return the uuid
	 */
	public String getUuid() {
		return this.uuid;
	}

	/**
	 * Gets title.
	 *
	 * @return the title
	 */
	public String getTitle() {
		return title;
	}

	/**
	 * Sets title.
	 *
	 * @param title the title
	 */
	public void setTitle(String title) {
		this.title = title;
	}

	/**
	 * Is it done?
	 *
	 * @return the boolean
	 */
	public boolean isDone() {
		return done;
	}

	/**
	 * Sets done.
	 *
	 * @param done the done
	 */
	public void setDone(boolean done) {
		this.done = done;
	}

	/**
	 * Is prio.
	 *
	 * @return the boolean
	 */
	public boolean isPrio() {
		return prio;
	}

	/**
	 * Sets prio.
	 *
	 * @param prio the prio
	 */
	public void setPrio(boolean prio) {
		this.prio = prio;
	}

	/**
	 * Gets comment.
	 *
	 * @return the comment
	 */
	public String getComment() {
		return comment;
	}

	/**
	 * Sets comment.
	 *
	 * @param comment the comment
	 */
	public void setComment(String comment) {
		this.comment = comment;
	}

	/**
	 * Gets due date.
	 *
	 * @return the due date
	 */
	public Calendar getDueDate() {
		return dueDate;
	}

	/**
	 * Sets due date.
	 *
	 * @param dueDate the due date
	 */
	public void setDueDate(Calendar dueDate) {
		this.dueDate = dueDate;
	}

	public String getTime() {
		SimpleDateFormat format = new SimpleDateFormat();
		format.applyPattern("HH:mm");
		return this.getDueDate() != null ? format.format(this.getDueDate().getTime()) : "00:00";
	}

	public String getDateTime() {
		SimpleDateFormat format = new SimpleDateFormat();
		format.applyPattern("yyyy-MM-dd HH:mm");
		return this.getDueDate() != null ? format.format(this.getDueDate().getTime()) : "0000-00-00 00:00";
	}

	public boolean validateTime(String time) {
		return time.matches("([0-9]{1,2}:[0-9]{1,2}(:[0-9]{1,2})?|[0-9]{1,4})");
	}

	public void setDueDate(LocalDate date, String time) {
		Calendar nd = new GregorianCalendar();
		int hour = 0;
		int minute = 0;
		if (time.matches("\\d{1,2}:\\d{1,2}(:\\d{1,2})?")) {
			String t[] = time.split(":", 3);
			hour = Integer.parseInt(t[0]);
			minute = Integer.parseInt(t[1]);
		} else if (time.matches("\\d{1,4}")) {
			if (time.length() > 2) {
				hour = Integer.parseInt(time.substring(0, 2));
				minute = Integer.parseInt(time.substring(2, 2));
			} else {
				hour = Integer.parseInt(time);
			}
		}
		nd.set(date.getYear(), date.getMonthValue(), date.getDayOfMonth(), hour < 24 ? hour : 0, minute < 60 ? minute : 0);
		this.dueDate = nd;
	}

	public boolean pastDue() {
		if (this.dueDate == null)
			return false;
		Calendar today = new GregorianCalendar();
		return today.after(this.dueDate);
	}

	@Override
	public String toString() {
		return this.getTitle();
	}
}