/*
 * Copyright 2012 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.plugins.buildcomparison.outcome.internal.archive;

import org.gradle.api.plugins.buildcomparison.compare.internal.BuildOutcomeComparisonResultSupport;
import org.gradle.api.plugins.buildcomparison.compare.internal.ComparisonResultType;
import org.gradle.api.plugins.buildcomparison.outcome.internal.BuildOutcomeAssociation;
import org.gradle.api.plugins.buildcomparison.outcome.internal.archive.entry.ArchiveEntryComparison;
import org.gradle.api.specs.Spec;
import org.gradle.util.CollectionUtils;

import java.util.SortedSet;

public class GeneratedArchiveBuildOutcomeComparisonResult extends BuildOutcomeComparisonResultSupport<GeneratedArchiveBuildOutcome> {

    private final SortedSet<ArchiveEntryComparison> entryComparisons;

    public GeneratedArchiveBuildOutcomeComparisonResult(BuildOutcomeAssociation<GeneratedArchiveBuildOutcome> compared, SortedSet<ArchiveEntryComparison> entryComparisons) {
        super(compared);
        this.entryComparisons = entryComparisons;
    }

    public SortedSet<ArchiveEntryComparison> getEntryComparisons() {
        return entryComparisons;
    }

    public ComparisonResultType getComparisonResultType() {
        boolean sourceFileExists = getCompared().getSource().getArchiveFile() != null;
        boolean targetFileExists = getCompared().getTarget().getArchiveFile() != null;

        if (sourceFileExists && targetFileExists) {
            if (CollectionUtils.every(getEntryComparisons(), new Spec<ArchiveEntryComparison>() {
                @Override
                public boolean isSatisfiedBy(ArchiveEntryComparison element) {
                    return element.getComparisonResultType() == ComparisonResultType.EQUAL;
                }
            })) {
                return ComparisonResultType.EQUAL;
            } else {
                return ComparisonResultType.UNEQUAL;
            }
        } else if (!sourceFileExists && !targetFileExists) {
            return ComparisonResultType.NON_EXISTENT;
        } else if (!targetFileExists) {
            return ComparisonResultType.SOURCE_ONLY;
        } else {
            return ComparisonResultType.TARGET_ONLY;
        }
    }

    @Override
    public boolean isOutcomesAreIdentical() {
        return getComparisonResultType().equals(ComparisonResultType.EQUAL) || getComparisonResultType().equals(ComparisonResultType.NON_EXISTENT);
    }
}
