/*
 * Copyright 2004-present the original author or 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
 *
 *      https://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 s101;

import java.io.File;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlAnchor;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import org.gradle.api.Project;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputDirectory;

public class S101PluginExtension {
	private final Property<String> licenseId;

	private final Property<String> repository;

	private final Property<String> version;

	private final Property<File> installationDirectory;
	private final Property<File> configurationDirectory;
	private final Property<String> label;

	@Input
	public Property<String> getLicenseId() {
		return this.licenseId;
	}

	public void setLicenseId(String licenseId) {
		this.licenseId.set(licenseId);
	}

	@InputDirectory
	public Property<File> getInstallationDirectory() {
		return this.installationDirectory;
	}

	public void setInstallationDirectory(String installationDirectory) {
		this.installationDirectory.set(new File(installationDirectory));
	}

	@InputDirectory
	public Property<File> getConfigurationDirectory() {
		return this.configurationDirectory;
	}

	public void setConfigurationDirectory(String configurationDirectory) {
		this.configurationDirectory.set(new File(configurationDirectory));
	}

	@Input
	public Property<String> getLabel() {
		return this.label;
	}

	public void setLabel(String label) {
		this.label.set(label);
	}

	@Input
	public Property<String> getRepository() {
		return repository;
	}

	public void setRepository(String repository) {
		this.repository.set(repository);
	}

	@Input
	public Property<String> getVersion() {
		return this.version;
	}

	public void setVersion(String version) {
		this.version.set(version);
	}

	public S101PluginExtension(Project project) {
		this.licenseId = project.getObjects().property(String.class);
		if (project.hasProperty("s101.licenseId")) {
			setLicenseId((String) project.findProperty("s101.licenseId"));
		}
		this.installationDirectory = project.getObjects().property(File.class)
				.convention(new File(project.getBuildDir(), "s101"));
		this.configurationDirectory = project.getObjects().property(File.class)
				.convention(new File(project.getProjectDir(), "s101"));
		this.label = project.getObjects().property(String.class);
		if (project.hasProperty("s101.label")) {
			setLabel((String) project.findProperty("s101.label"));
		}
		this.repository = project.getObjects().property(String.class);
		if (project.hasProperty("s101.repository")) {
			setRepository((String) project.findProperty("s101.repository"));
		} else {
			setRepository("https://structure101.com/binaries/v6");
		}
		this.version = project.getObjects().property(String.class);
		if (project.hasProperty("s101.version")) {
			setVersion((String) project.findProperty("s101.version"));
		} else {
			try (final WebClient webClient = new WebClient()) {
				HtmlPage page = webClient.getPage(getRepository().get());
				Matcher matcher = null;
				for (HtmlAnchor anchor : page.getAnchors()) {
					Matcher candidate = Pattern.compile("(structure101-build-java-all-)(.*).zip").matcher(anchor.getHrefAttribute());
					if (candidate.find()) {
						matcher = candidate;
					}
				}
				if (matcher != null) {
					setVersion(matcher.group(2));
				}
			} catch (Exception ex) {
				throw new RuntimeException(ex);
			}
		}
	}
}