/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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 com.android.build.gradle.internal.core;

import static com.google.common.truth.Truth.assertThat;

import com.android.annotations.NonNull;
import com.android.build.gradle.internal.fixtures.FakeEvalIssueReporter;
import com.android.builder.core.DefaultApiVersion;
import com.android.builder.core.DefaultBuildType;
import com.android.builder.core.DefaultProductFlavor;
import com.android.builder.core.VariantTypeImpl;
import com.android.builder.errors.EvalIssueReporter;
import com.android.builder.model.ApiVersion;
import com.android.builder.model.SigningConfig;
import com.android.builder.signing.DefaultSigningConfig;
import com.android.sdklib.AndroidVersion;
import com.google.common.collect.Iterables;
import java.io.File;
import java.io.IOException;
import java.util.List;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

public class VariantConfigurationTest {

    private DefaultProductFlavor mDefaultConfig;
    private DefaultProductFlavor mFlavorConfig;
    private DefaultBuildType mBuildType;
    private EvalIssueReporter mIssueReporter;

    @Rule public TemporaryFolder tmp = new TemporaryFolder();
    private File srcDir;

    @Before
    public void setUp() throws Exception {
        mDefaultConfig = new DefaultProductFlavor("main");
        mFlavorConfig = new DefaultProductFlavor("flavor");
        mBuildType = new DefaultBuildType("debug");
        srcDir = tmp.newFolder("src");
        mIssueReporter = new FakeEvalIssueReporter();
    }

    @Test
    public void testPackageOverrideNone() {
        VariantConfiguration variant = getVariant();

        assertThat(variant.getIdOverride()).isNull();
    }

    @Test
    public void testIdOverrideIdFromFlavor() {
        mFlavorConfig.setApplicationId("foo.bar");

        VariantConfiguration variant = getVariant();

        assertThat(variant.getIdOverride()).isEqualTo("foo.bar");
    }

    @Test
    public void testPackageOverridePackageFromFlavorWithSuffix() {
        mFlavorConfig.setApplicationId("foo.bar");
        mBuildType.setApplicationIdSuffix(".fortytwo");

        VariantConfiguration variant = getVariant();

        assertThat(variant.getIdOverride()).isEqualTo("foo.bar.fortytwo");
    }

    @Test
    public void testPackageOverridePackageFromFlavorWithSuffix2() {
        mFlavorConfig.setApplicationId("foo.bar");
        mBuildType.setApplicationIdSuffix("fortytwo");

        VariantConfiguration variant = getVariant();

        assertThat(variant.getIdOverride()).isEqualTo("foo.bar.fortytwo");
    }

    @Test
    public void testVersionNameFromFlavorWithSuffix() {
        mFlavorConfig.setVersionName("1.0");
        mBuildType.setVersionNameSuffix("-DEBUG");

        VariantConfiguration variant = getVariant();

        assertThat(variant.getVersionName()).isEqualTo("1.0-DEBUG");
    }

    @Test
    public void testSigningBuildTypeOverride() {
        // DefaultSigningConfig doesn't compare the name, so put some content.
        DefaultSigningConfig debugSigning = new DefaultSigningConfig("debug");
        debugSigning.setStorePassword("debug");
        mBuildType.setSigningConfig(debugSigning);

        DefaultSigningConfig override = new DefaultSigningConfig("override");
        override.setStorePassword("override");

        VariantConfiguration variant = getVariant(override);

        assertThat(variant.getSigningConfig()).isEqualTo(override);
    }

    @Test
    public void testSigningProductFlavorOverride() {
        // DefaultSigningConfig doesn't compare the name, so put some content.
        DefaultSigningConfig defaultConfig = new DefaultSigningConfig("defaultConfig");
        defaultConfig.setStorePassword("debug");
        mDefaultConfig.setSigningConfig(defaultConfig);

        DefaultSigningConfig override = new DefaultSigningConfig("override");
        override.setStorePassword("override");

        VariantConfiguration variant = getVariant(override);

        assertThat(variant.getSigningConfig()).isEqualTo(override);
    }

    @Test
    public void testGetNavigationFiles() throws IOException {
        VariantConfiguration<DefaultBuildType, DefaultProductFlavor, DefaultProductFlavor> variant =
                getVariantWithTempFolderSourceProviders();

        File resDir = Iterables.getFirst(variant.getDefaultSourceSet().getResDirectories(), null);
        assertThat(resDir).isNotNull();

        File navigationDir = new File(resDir, "navigation");
        assertThat(navigationDir.mkdirs()).isTrue();

        File navigationFile = new File(navigationDir, "main_nav.xml");
        assertThat(navigationFile.createNewFile()).isTrue();

        List<File> retrievedNavigationFiles = variant.getNavigationFiles();
        assertThat(retrievedNavigationFiles.size()).isEqualTo(1);
        File retrievedNavigationFile = Iterables.getOnlyElement(retrievedNavigationFiles);

        assertThat(retrievedNavigationFile).isEqualTo(navigationFile);
    }

    @Test
    public void testGetMinSdkVersion() {

        ApiVersion minSdkVersion = DefaultApiVersion.create(new Integer(5));
        mDefaultConfig.setMinSdkVersion(minSdkVersion);

        VariantConfiguration variant = getVariant();

        assertThat(variant.getMinSdkVersion())
                .isEqualTo(
                        new AndroidVersion(
                                minSdkVersion.getApiLevel(), minSdkVersion.getCodename()));
    }

    @Test
    public void testGetMinSdkVersionDefault() {

        VariantConfiguration variant = getVariant();

        assertThat(variant.getMinSdkVersion()).isEqualTo(new AndroidVersion(1, null));
    }

    @Test
    public void testGetTargetSdkVersion() {

        ApiVersion targetSdkVersion = DefaultApiVersion.create(new Integer(9));
        mDefaultConfig.setTargetSdkVersion(targetSdkVersion);

        VariantConfiguration variant = getVariant();

        assertThat(variant.getTargetSdkVersion()).isEqualTo(targetSdkVersion);
    }

    @Test
    public void testGetTargetSdkVersionDefault() {

        VariantConfiguration variant = getVariant();

        assertThat(variant.getTargetSdkVersion())
                .isEqualTo(DefaultApiVersion.create(new Integer(-1)));
    }

    private VariantConfiguration getVariant() {
        return getVariant(null /*signingOverride*/);
    }

    private VariantConfiguration getVariant(SigningConfig signingOverride) {
        VariantConfiguration<DefaultBuildType, DefaultProductFlavor, DefaultProductFlavor> variant =
                new VariantConfiguration<>(
                        mDefaultConfig,
                        new MockSourceProvider("main"),
                        null,
                        mBuildType,
                        new MockSourceProvider("debug"),
                        VariantTypeImpl.BASE_APK,
                        signingOverride,
                        mIssueReporter,
                        () -> true);

        variant.addProductFlavor(mFlavorConfig, new MockSourceProvider("custom"), "");

        return variant;
    }

    private VariantConfiguration<DefaultBuildType, DefaultProductFlavor, DefaultProductFlavor>
            getVariantWithTempFolderSourceProviders() {
        VariantConfiguration<DefaultBuildType, DefaultProductFlavor, DefaultProductFlavor> variant =
                new VariantConfiguration<>(
                        mDefaultConfig,
                        new MockSourceProvider(srcDir.getPath() + File.separatorChar + "main"),
                        null,
                        mBuildType,
                        new MockSourceProvider(srcDir.getPath() + File.separatorChar + "debug"),
                        VariantTypeImpl.BASE_APK,
                        null,
                        mIssueReporter,
                        () -> true);

        variant.addProductFlavor(
                mFlavorConfig,
                new MockSourceProvider(srcDir.getPath() + File.separatorChar + "custom"),
                "");
        return variant;
    }
}