/*
 * $Id$
 *
 * SARL is an general-purpose agent programming language.
 * More details on http://www.sarl.io
 *
 * Copyright (C) 2014-2026 SARL.io, the original authors and main authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.sarl.eclipse.wizards.elements.aop.newagent;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.xtext.common.types.access.IJvmTypeProvider;
import org.eclipse.xtext.xbase.compiler.ISourceAppender;

import io.sarl.eclipse.SARLEclipseConfig;
import io.sarl.eclipse.SARLEclipsePlugin;
import io.sarl.eclipse.util.Jdt2Ecore;
import io.sarl.eclipse.wizards.elements.AbstractNewSarlElementWizardPage;
import io.sarl.eclipse.wizards.elements.AbstractSuperTypeSelectionDialog;
import io.sarl.eclipse.wizards.elements.SarlSpecificTypeSelectionExtension;
import io.sarl.lang.core.Agent;

/**
 * Wizard page for creating a new SARL agent.
 *
 * @author $Author: sgalland$
 * @version $FullVersion$
 * @mavengroupid $GroupId$
 * @mavenartifactid $ArtifactId$
 */
@SuppressWarnings("restriction")
public class NewSarlAgentWizardPage extends AbstractNewSarlElementWizardPage {

	/** Construct a wizard page.
	 */
	public NewSarlAgentWizardPage() {
		super(CLASS_TYPE, Messages.NewSarlAgent_0);
		setTitle(Messages.NewSarlAgent_0);
		setDescription(Messages.NewSarlAgentPage_0);
		setImageDescriptor(SARLEclipsePlugin.getDefault().getImageDescriptor(SARLEclipseConfig.NEW_AGENT_WIZARD_DIALOG_IMAGE));
	}

	@Override
	protected String getSuperClassLabel() {
		return Messages.NewSarlAgentWizardPage_0;
	}

	@Override
	public void createPageControls(Composite parent) {
		createSuperClassControls(parent, COLUMNS);
		createSeparator(parent, COLUMNS);
		createMethodStubControls(parent, COLUMNS, true, true, true, false);
	}

	@Override
	protected void doStatusUpdate() {
		final var status = new IStatus[] {
			this.fContainerStatus,
			this.fPackageStatus,
			this.fTypeNameStatus,
			this.fSuperClassStatus,
		};
		updateStatus(status);
	}

	@Override
	protected void generateTypeContent(ISourceAppender appender, IJvmTypeProvider typeProvider,
			String comment, IProgressMonitor monitor) throws Exception {
		final var mon = SubMonitor.convert(monitor, 4);
		final var scriptBuilder = this.codeBuilderFactory.buildScript(
				getPackageFragment().getElementName(), typeProvider);
		final var agent = scriptBuilder.addSarlAgent(getTypeName());
		agent.setExtends(getSuperClass());
		agent.setDocumentation(comment);
		mon.worked(1);
		createStandardSARLEventTemplates(Messages.NewSarlAgentWizardPage_3,
			name -> agent.addSarlBehaviorUnit(name),
			name -> agent.addSarlCapacityUses(name));
		mon.worked(2);
		if (agent.getSarlAgent().getExtends() != null) {
			createInheritedMembers(
				Agent.class.getCanonicalName(),
				Jdt2Ecore.contextualize(agent.getSarlAgent(), this.ecoreTypeReferences),
				true,
				() -> agent.addSarlConstructor(),
				name -> agent.addOverrideSarlAction(name),
				getSuperClass());
		}
		mon.worked(3);
		scriptBuilder.build(appender);
		mon.done();
	}

	@Override
	protected String getExistingElementErrorMessage() {
		return Messages.NewSarlAgentWizardPage_1;
	}

	@Override
	protected String getInvalidSubtypeErrorMessage() {
		return Messages.NewSarlAgentWizardPage_2;
	}

	@Override
	protected IType getRootSuperType() throws JavaModelException {
		return getJavaProject().findType(Agent.class.getName());
	}

	@Override
	protected AbstractSuperTypeSelectionDialog<?> createSuperClassSelectionDialog(Shell parent,
			IRunnableContext context, IJavaProject project, SarlSpecificTypeSelectionExtension extension,
			boolean multi) {
		return new SuperAgentSelectionDialog(parent, context, project, this, extension, multi);
	}

}
