/*
 * SoapUI, Copyright (C) 2004-2016 SmartBear Software 
 *
 * Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent 
 * versions of the EUPL (the "Licence"); 
 * You may not use this work except in compliance with the Licence. 
 * You may obtain a copy of the Licence at: 
 * 
 * http://ec.europa.eu/idabc/eupl 
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence is 
 * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 
 * express or implied. See the Licence for the specific language governing permissions and limitations 
 * under the Licence. 
 */

package com.eviware.soapui.impl.actions;

import com.eviware.soapui.impl.wsdl.support.HelpUrls;
import com.eviware.soapui.support.MessageSupport;
import com.eviware.soapui.support.UISupport;
import com.eviware.soapui.support.action.swing.ActionList;
import com.eviware.soapui.support.components.JUndoableTextField;
import com.eviware.x.form.XForm;
import com.eviware.x.form.XFormDialog;
import com.eviware.x.form.XFormDialogBuilder;
import com.eviware.x.form.XFormFactory;
import com.eviware.x.form.XFormField;
import com.eviware.x.impl.swing.JTextFieldFormField;

import javax.swing.AbstractAction;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

/**
 * Constructs dialogs for inputting REST URIs and manages state in an open dialog.
 */
public class RestUriDialogHandler {
    private KeyListener initialKeyListener;
    private MouseListener initialMouseListener;
    private Font originalFont;
    private boolean defaultURIReplaced;
    private JUndoableTextField textField;
    private XFormDialog dialog;
    private String uriLabelKey;
    private String exampleUri;


    public XFormDialog buildDialog(MessageSupport messages) {
        return buildDialog(messages, HelpUrls.NEWRESTPROJECT_HELP_URL, null);
    }

    public XFormDialog buildDialog(MessageSupport messages, AbstractAction actionToBeAdded) {
        return buildDialog(messages, HelpUrls.NEWRESTPROJECT_HELP_URL, actionToBeAdded);
    }

    public XFormDialog buildDialog(MessageSupport messages, String helpUrl) {
        return buildDialog(messages, helpUrl, null);
    }

    public XFormDialog buildDialog(MessageSupport messages, String helpUrl, AbstractAction actionToBeAdded) {
        XFormDialogBuilder newDialogBuilder = XFormFactory.createDialogBuilder(messages.get("Title"));
        XForm form = newDialogBuilder.createForm("");
        uriLabelKey = messages.get("Form.URI.Label");
        exampleUri = messages.get("Form.Example.URI");
        form.addTextField(uriLabelKey, messages.get("Form.URI.Description"), XForm.FieldType.TEXT);

        ActionList actions = newDialogBuilder.buildOkCancelHelpActions(helpUrl);

        if (actionToBeAdded != null) {
            actions.addAction(actionToBeAdded);
        }

        dialog = newDialogBuilder.buildDialog(actions, messages.get("Description"), UISupport.TOOL_ICON);
        dialog.setValue(uriLabelKey, exampleUri);
        XFormField uriField = dialog.getFormField(uriLabelKey);

        if (uriField instanceof JTextFieldFormField) {
            defaultURIReplaced = false;
            textField = ((JTextFieldFormField) uriField).getComponent();
            textField.requestFocus();
            originalFont = textField.getFont();
            textField.setFont(originalFont.deriveFont(Font.ITALIC));
            textField.setForeground(new Color(170, 170, 170));
            addListenersToTextField();
        }
        return dialog;
    }

    public void resetUriField() {
        if (!defaultURIReplaced && textField != null) {
            try {
                defaultURIReplaced = true;
                textField.setText("");
                textField.setFont(originalFont);
                textField.setForeground(Color.BLACK);
            } finally {
                if (initialKeyListener != null) {
                    textField.removeKeyListener(initialKeyListener);
                }
                if (initialMouseListener != null) {
                    textField.removeMouseListener(initialMouseListener);
                }
            }
        }

    }

    private void addListenersToTextField() {
        initialKeyListener = new KeyAdapter() {
            @Override
            public void keyPressed(KeyEvent e) {
                resetUriField();
            }
        };
        textField.addKeyListener(initialKeyListener);
        initialMouseListener = new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                resetUriField();
            }
        };
        textField.addMouseListener(initialMouseListener);
    }

    public String getUri() {
        if (dialog.getReturnValue() != XFormDialog.OK_OPTION) {
            return null;
        }
        String uri = dialog.getValue(uriLabelKey).trim();
        return uri.equals(exampleUri) ? "" : uri;
    }
}