/*
 * Copyright 2013 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.api.internal.tasks.compile.incremental;

import org.gradle.api.internal.tasks.compile.incremental.graph.ClassDependencyInfo;
import org.gradle.api.tasks.util.PatternSet;

import java.util.Collection;
import java.util.Collections;
import java.util.Set;

class DefaultRebuildInfo implements RebuildInfo {

    static final RebuildInfo NOTHING_TO_REBUILD = new DefaultRebuildInfo(false, Collections.<String>emptyList());
    static final RebuildInfo FULL_REBUILD = new DefaultRebuildInfo(true, Collections.<String>emptyList());

    private boolean fullRebuildRequired;
    protected final Collection<String> changedClassesInJar;

    DefaultRebuildInfo(boolean fullRebuildRequired, Collection<String> changedClassesInJar) {
        this.fullRebuildRequired = fullRebuildRequired;
        this.changedClassesInJar = changedClassesInJar;
    }

    public boolean isFullRebuildRequired() {
        return fullRebuildRequired;
    }

    //TODO SF tests
    public void configureCompilation(PatternSet changedSourceOnly, SelectiveJavaCompiler compiler, ClassDependencyInfo dependencyInfo) {
        for (String c : changedClassesInJar) {
            Set<String> actualDependents = dependencyInfo.getActualDependents(c);
            for (String d : actualDependents) {
                compiler.addStaleClass(d);
                changedSourceOnly.include(d.replaceAll("\\.", "/").concat(".java"));
            }
        }
    }
}
