OOP2

import javax.swing.*;

import java.util.Set;

import java.util.HashSet;

import java.util.Date;

/**

 * GUI class that handles the GUI part of walks.

 * @author Maarten Vangeneugden - 1438256

 */

public class WalkView {

	private JTextField groupNameField;

	private JComboBox<String> possibleWalksField;

	private JTextField dateField;

	private JSpinner peopleField;

	private WalkReservation walkReservation;

	private ReservationController rc;

	private WalkController wc;

	private Window window;

	public WalkView(WalkReservation walkReservation, ReservationController rc, WalkController wc) {

		if(walkReservation == null || rc == null || wc == null) {

			throw new NullPointerException("One or more of the given parameters is a null pointer.");

		}

		// Contract validated

		this.walkReservation = walkReservation;

		this.rc = rc;

		this.wc = wc;

		this.window = new Window("Walk reservation screen");

		this.addFields();

	}

	private void addFields() {

		this.groupNameField = this.window.createTextField(this.walkReservation.getGroupName());

		// Getting list of all walks

		Set<String> walkNames = new HashSet<>();

		for(Walk walk: this.wc.getWalks()) {

			System.out.println("YAY A WALKK");

			walkNames.add(walk.getName());

		}

		this.possibleWalksField = this.window.addComboBox(walkNames.toArray(new String[1]));

		this.dateField = this.window.createTextField(walkReservation.getBeginDate().toGMTString());

		this.peopleField = this.window.createSpinner(1, 10, this.walkReservation.getPeople(), 1);

		this.window.createButton("Add/Update walk reservation", "", "addWalkReservation", this);

		this.window.createButton("Remove walk reservation", "", "removeWalkReservation", this);

	}

	public void setWalkReservation(WalkReservation walkReservation) {

		this.walkReservation = walkReservation;

	}

	public WalkReservation getWalkReservation() {

		return walkReservation;

	}

	public void setRc(ReservationController rc) {

		this.rc = rc;

	}

	public ReservationController getRc() {

		return rc;

	}

	public void setWc(WalkController wc) {

		this.wc = wc;

	}

	public WalkController getWc() {

		return wc;

	}

	public void addWalkReservation() {

		// First, we collect the relevant data

		final String groupName = this.groupNameField.getText();

		final Date date = new Date(this.dateField.getText());

		final int people = (Integer)this.peopleField.getValue();

		final String stringWalk = (String)this.possibleWalksField.getSelectedItem();

		final Walk walk = this.wc.getWalkFromName(stringWalk);

		// Now create a WalkReservation with this data, and send that to the

		// Controller.

		this.walkReservation.setGroupName(groupName);

		this.walkReservation.setBeginDate(date);

		this.walkReservation.setPeople(people);

		this.walkReservation.setWalk(walk);

		// Add new/updated Walk reservation to the system

		if(!this.wc.getWalkReservations().contains(this.walkReservation)) {

			this.wc.addWalkReservation(this.walkReservation);

		}

		// Display confirmation screen to user

		int price = this.walkReservation.getPrice(this.rc);

		this.window.messageDialog("Guided walk reserved! Price: "+ price);

		this.window.close();

	}

	public void removeWalkReservation() {

		if(this.wc.getWalkReservations().contains(this.walkReservation)) {

			this.wc.cancelWalkReservation(this.walkReservation);

		}

		this.window.close();

	}

}