/*
 * Copyright 2011 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
 *
 *      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 org.gradle.tooling.model;

import org.gradle.api.Incubating;
import org.gradle.api.Nullable;
import org.gradle.tooling.model.gradle.GradleScript;

import java.io.File;

/**
 * Represents a Gradle project.
 *
 * @since 1.0-milestone-5
 */
public interface GradleProject extends HierarchicalElement, BuildableElement {
    /**
     * Returns the identifier for this Gradle project.
     *
     * @since 2.13
     */
    @Incubating
    ProjectIdentifier getProjectIdentifier();

    /**
     * {@inheritDoc}
     */
    DomainObjectSet<? extends GradleTask> getTasks();

    /**
     * {@inheritDoc}
     */
    GradleProject getParent();

    /**
     * {@inheritDoc}
     */
    DomainObjectSet<? extends GradleProject> getChildren();

    /**
     * Returns the path of this project. This is a unique identifier for this project within the build.
     *
     * @return The path.
     */
    String getPath();

    /**
     * Searches all descendants (children, grand-children, etc.), including self, by given path.
     *
     * @return Gradle project with matching path or {@code null} if not found.
     */
    @Nullable
    GradleProject findByPath(String path);

    /**
     * Returns the build script for this project.
     *
     * @return The build script.
     * @since 1.8
     * @throws UnsupportedMethodException For Gradle versions older than 1.8, where this method is not supported.
     */
    @Incubating
    GradleScript getBuildScript() throws UnsupportedMethodException;

    /**
     * Returns the build directory for this project.
     *
     * @return The build directory.
     * @since 2.0
     * @throws UnsupportedMethodException For Gradle versions older than 2.0, where this method is not supported.
     */
    @Incubating
    File getBuildDirectory() throws UnsupportedMethodException;

    /**
     * Returns the project directory for this project.
     *
     * @return The project directory.
     * @since 2.4
     * @throws UnsupportedMethodException For Gradle versions older than 2.4, where this method is not supported.
     */
    @Incubating
    File getProjectDirectory() throws UnsupportedMethodException;

}
