package envoy.client.ui.settings;

import javafx.event.EventHandler;
import javafx.scene.control.*;
import javafx.scene.input.InputEvent;

import envoy.client.event.SendEvent;
import envoy.data.User;
import envoy.event.EventBus;
import envoy.event.IssueProposal;

/**
 * This class offers the option for users to submit a bug report. Only the title
 * of a bug is needed to be sent.
 * <p>
 * Project: <strong>client</strong><br>
 * File: <strong>BugReportPane.java</strong><br>
 * Created: <strong>Aug 4, 2020</strong><br>
 *
 * @author Leon Hofmeister
 * @since Envoy Client v0.2-beta
 */
public class BugReportPane extends OnlyIfOnlineSettingsPane {

	private final Label		titleLabel				= new Label("Suggest a title for the bug:");
	private final TextField	titleTextField			= new TextField();
	private final Label		pleaseExplainLabel		= new Label("Paste here the log of what went wrong and/ or explain what went wrong:");
	private final TextArea	errorDetailArea			= new TextArea();
	private final CheckBox	showUsernameInBugReport	= new CheckBox("Show your username in the bug report?");
	private final Button	submitReportButton		= new Button("Submit report");

	private final EventHandler<? super InputEvent> inputEventHandler = e -> submitReportButton.setDisable(titleTextField.getText().isBlank());

	/**
	 * Creates a new {@code BugReportPane}.
	 *
	 * @param user   the user whose details to use
	 * @param online whether this user is currently online
	 * @since Envoy Client v0.2-beta
	 */
	public BugReportPane(User user, boolean online) {
		super("Report a bug", online);
		setSpacing(10);
		setToolTipText("A bug can only be reported when being online");

		// Displaying the label to ask for a title
		titleLabel.setWrapText(true);
		getChildren().add(titleLabel);

		// Displaying the TextField where to enter the title of this bug
		titleTextField.setOnKeyTyped(inputEventHandler);
		titleTextField.setOnInputMethodTextChanged(inputEventHandler);
		getChildren().add(titleTextField);

		// Displaying the label to ask for clarification
		pleaseExplainLabel.setWrapText(true);
		getChildren().add(pleaseExplainLabel);

		// Displaying the TextArea where to enter the log and/or own description
		errorDetailArea.setWrapText(true);
		getChildren().add(errorDetailArea);

		// Displaying the consent button that your user name will be shown
		showUsernameInBugReport.setSelected(true);
		getChildren().add(showUsernameInBugReport);

		// Displaying the submitReportButton
		submitReportButton.setDisable(true);
		submitReportButton.setOnAction(e -> {
			EventBus.getInstance()
				.dispatch(new SendEvent(new IssueProposal(titleTextField.getText(), errorDetailArea.getText(),
						showUsernameInBugReport.isSelected() ? user.getName() : null, true)));
		});
		getChildren().add(submitReportButton);
	}
}