/*
 * Copyright 2016 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.initialization;

import org.gradle.api.internal.GradleInternal;
import org.gradle.api.internal.SettingsInternal;
import org.gradle.composite.internal.IncludedBuildRegistry;
import org.gradle.initialization.buildsrc.BuildSourceBuilder;
import org.gradle.internal.composite.CompositeBuildSettingsLoader;

public class DefaultSettingsLoaderFactory implements SettingsLoaderFactory {
    private final ISettingsFinder settingsFinder;
    private final SettingsProcessor settingsProcessor;
    private final BuildSourceBuilder buildSourceBuilder;
    private final NestedBuildFactory nestedBuildFactory;
    private final IncludedBuildRegistry includedBuildRegistry;

    public DefaultSettingsLoaderFactory(ISettingsFinder settingsFinder, SettingsProcessor settingsProcessor, BuildSourceBuilder buildSourceBuilder,
                                        NestedBuildFactory nestedBuildFactory, IncludedBuildRegistry includedBuildRegistry) {
        this.settingsFinder = settingsFinder;
        this.settingsProcessor = settingsProcessor;
        this.buildSourceBuilder = buildSourceBuilder;
        this.nestedBuildFactory = nestedBuildFactory;
        this.includedBuildRegistry = includedBuildRegistry;
    }

    @Override
    public SettingsLoader forTopLevelBuild() {
        return compositeBuildSettingsLoader();
    }

    @Override
    public SettingsLoader forNestedBuild() {
        return defaultSettingsLoader();
    }

    private SettingsLoader compositeBuildSettingsLoader() {
        return new CompositeBuildSettingsLoader(
            defaultSettingsLoader(),
            nestedBuildFactory,
            includedBuildRegistry);
    }

    private SettingsLoader defaultSettingsLoader() {
        final DefaultSettingsLoader delegate = new DefaultSettingsLoader(
            settingsFinder,
            settingsProcessor,
            buildSourceBuilder
        );
        return new SettingsLoader() {
            @Override
            public SettingsInternal findAndLoadSettings(GradleInternal gradle) {
                SettingsInternal settings = delegate.findAndLoadSettings(gradle);
                gradle.setSettings(settings);
                return settings;
            }
        };
    }

}
