/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */

plugins {
    id 'com.gradle.enterprise' version '3.2.1'
}

if ( !JavaVersion.current().java8Compatible ) {
    throw new GradleException( "Gradle must be run with Java 8 or later" )
}

gradle.ext.baselineJavaVersion = JavaLanguageVersion.of( 8 )

// Gradle does bytecode transformation on tests.
// You can't use bytecode higher than what Gradle supports, even with toolchains.
def GRADLE_MAX_SUPPORTED_BYTECODE_VERSION = 15

// If either 'main.jdk.version' or 'test.jdk.version' is set, enable the toolchain and use the selected jdk.
// If only one property is set, the other defaults to the baseline Java version (8).
// Note that when toolchain is enabled, you also need to specify
// the location of the selected jdks
// (auto-download and auto-detect are disabled in gradle.properties).
//
// Example (with SDKMAN):
// ./gradlew build -Ptest.jdk.version=15 \
// -Porg.gradle.java.installations.paths=$SDKMAN_CANDIDATES_DIR/java/15.0.1-open,$SDKMAN_CANDIDATES_DIR/java/8
if ( hasProperty( 'main.jdk.version' ) || hasProperty( 'test.jdk.version' ) ) {
    // Testing a particular JDK version
    // Gradle doesn't support all JDK versions unless we use toolchains
    gradle.ext.javaToolchainEnabled = true
    gradle.ext.javaVersions = [
            main: [
                    compiler: JavaLanguageVersion.of( hasProperty( 'main.jdk.version' )
                            ? getProperty( 'main.jdk.version' ) : gradle.ext.baselineJavaVersion.asInt() ),
                    release: gradle.ext.baselineJavaVersion
            ],
            test: [
                    compiler: JavaLanguageVersion.of( hasProperty( 'test.jdk.version' )
                            ? getProperty( 'test.jdk.version' ) : gradle.ext.baselineJavaVersion.asInt() )
            ]
    ]
    def testCompilerVersion = gradle.ext.javaVersions.test.compiler
    if ( testCompilerVersion.asInt() > GRADLE_MAX_SUPPORTED_BYTECODE_VERSION ) {
        logger.warn( "[WARN] Gradle does not support bytecode version '${testCompilerVersion}'." +
                 " Forcing test bytecode to version ${GRADLE_MAX_SUPPORTED_BYTECODE_VERSION}." )
        gradle.ext.javaVersions.test.release = JavaLanguageVersion.of( GRADLE_MAX_SUPPORTED_BYTECODE_VERSION )
    }
    else {
        gradle.ext.javaVersions.test.release = testCompilerVersion
    }
    gradle.ext.javaVersions.test.launcher = testCompilerVersion
}
else {
    // Not testing a particular JDK version: we will use the same JDK used to run Gradle.
    // We disable toolchains for convenience, so that anyone can just run the build with their own JDK
    // without any additional options and without downloading the whole JDK.
    gradle.ext.javaToolchainEnabled = false
    def gradleJdkVersion = JavaLanguageVersion.of( JavaVersion.current().getMajorVersion() )
    if ( gradleJdkVersion.asInt() > GRADLE_MAX_SUPPORTED_BYTECODE_VERSION ) {
        logger.warn( "[WARN] Gradle does not support this JDK, because it is too recent; build is likely to fail." +
                " To avoid failures, you should use an older Java version when running Gradle, and rely on toolchains." +
                " To that end, specify the version of Java you want to run tests with using property 'test.jdk.version'," +
                " and specify the path to JDK8 *and* a JDK of the test version using property 'org.gradle.java.installations.paths'." +
                " Example:" +
                "./gradlew build -Ptest.jdk.version=15 -Porg.gradle.java.installations.paths=\$SDKMAN_CANDIDATES_DIR/java/15.0.1-open,\$SDKMAN_CANDIDATES_DIR/java/8" )
    }

    gradle.ext.javaVersions = [
            main: [
                    compiler: gradleJdkVersion,
                    release: gradle.ext.baselineJavaVersion
            ],
            test: [
                    compiler: gradleJdkVersion,
                    release: JavaLanguageVersion.of(
                            Math.min( GRADLE_MAX_SUPPORTED_BYTECODE_VERSION, gradleJdkVersion.asInt() ) ),
                    launcher: gradleJdkVersion
            ]
    ]
}

logger.lifecycle "Java versions for main code: " + gradle.ext.javaVersions.main
logger.lifecycle "Java versions for tests: " + gradle.ext.javaVersions.test

include 'hibernate-core'
include 'hibernate-entitymanager'
include 'hibernate-testing'
include 'hibernate-envers'
include 'hibernate-spatial'

include 'hibernate-java8'

include 'hibernate-osgi'

include 'hibernate-c3p0'
include 'hibernate-proxool'
include 'hibernate-hikaricp'
include 'hibernate-vibur'
include 'hibernate-agroal'

include 'hibernate-jcache'
include 'hibernate-ehcache'
include 'hibernate-infinispan'
include 'hibernate-micrometer'
include 'hibernate-graalvm'

// The plugin used to generate Java modules was compiled using JDK11.
// This means even with toolchains, Gradle needs to be run with Java 11+ in order to run Java modules ITs.
// We might be able to get rid of that limitation by relying on Gradle's built-in support for Java modules,
// but I (Yoann) tried and failed to make it work.
// See https://docs.gradle.org/current/samples/sample_java_modules_multi_project.html
if ( JavaVersion.current().isJava11Compatible() && gradle.ext.javaVersions.test.release.asInt() >= 9 ) {
    include 'hibernate-integrationtest-java-modules'
}
else {
    logger.warn( '[WARN] Skipping Java module path integration tests because the JDK does not support it' )
}

include 'documentation'
include 'release'

include 'metamodel-generator'
project(':metamodel-generator').projectDir = new File(rootProject.projectDir, "tooling/metamodel-generator")
project(':metamodel-generator').name = 'hibernate-jpamodelgen'

include 'hibernate-gradle-plugin'
project(':hibernate-gradle-plugin').projectDir = new File(rootProject.projectDir, "tooling/hibernate-gradle-plugin")

include 'hibernate-enhance-maven-plugin'
project(':hibernate-enhance-maven-plugin').projectDir = new File(rootProject.projectDir, "tooling/hibernate-enhance-maven-plugin")

rootProject.children.each { project ->
    project.buildFileName = "${project.name}.gradle"
    assert project.projectDir.isDirectory()
    assert project.buildFile.exists()
    assert project.buildFile.isFile()
}