import org.gradle.test.fixtures.file.TestFile

@CompileStatic
class PolyglotProjectBuilder {
    private final GradleDsl dsl
    private final TestFile targetDirectory
    private final Map<String, BuildFileBuilder> buildFiles = [:].withDefault { new BuildFileBuilder(it.toString()) }

    @Delegate
    private final BuildFileBuilder mainBuildFile

    PolyglotProjectBuilder(GradleDsl dsl, TestFile targetDirectory) {
        this.dsl = dsl

        this
    }

    MultiProjectBuilder rootProject(GradleDsl projectDsl = dsl, @DelegatesTo(value = PolyglotProjectBuilder, strategy = Closure.DELEGATE_FIRST) Closure<?> config) {
        def p = projects['<root>']
        if (p == null) {
            p = new PolyglotProjectBuilder(projectDsl, rootProjectDirectory)
            projects['<root>'] = p
        }
        applyConfiguration(config, p)
        this