import org.gradle.kotlin.dsl.provider.plugins.precompiled.PrecompiledScriptPlugin
import org.gradle.kotlin.dsl.provider.plugins.precompiled.scriptPluginFilesOf
import java.io.File


@CacheableTask
abstract class GenerateScriptPluginAdapters : DefaultTask() {

    @get:OutputDirectory
    abstract val outputDirectory: DirectoryProperty

    @get:Internal
    internal
    lateinit var plugins: List<PrecompiledScriptPlugin>

        val fooScript = withFile("src/main/kotlin/foo.gradle.kts", "")

        build("generateScriptPluginAdapters")
        assertTrue(existing("build/generated-sources/kotlin-dsl-plugins/kotlin/FooPlugin.kt").isFile)

        fooScript.renameTo(fooScript.parentFile.resolve("bar.gradle.kts"))

        build("generateScriptPluginAdapters")

}


private
fun Project.generatePluginAdaptersFor(scriptPlugins: List<PrecompiledScriptPlugin>, kotlinSourceDirectorySet: SourceDirectorySet) {

    codeGenerationTask<GenerateScriptPluginAdapters>(
        "plugins",
        "generateScriptPluginAdapters",
        kotlinSourceDirectorySet
    ) {
        plugins = scriptPlugins
        outputDirectory.set(it)
    }
}


private

     *
     * The [Plugin] implementation class adapts the precompiled script class
     * to the Gradle [Plugin] protocol and it is automatically generated by
     * the `generateScriptPluginAdapters` task.
     */
    val implementationClass by lazy {
        packagePrefixed(simplePluginAdapterClassName)
    }

    val simplePluginAdapterClassName by lazy {
        fileNameWithoutScriptExtension