import org.gradle.language.nativeplatform.DependentSourceSet;
import org.gradle.model.Defaults;
import org.gradle.model.Each;
import org.gradle.model.Finalize;
import org.gradle.model.ModelMap;
import org.gradle.model.RuleSource;
import org.gradle.model.internal.registry.ModelRegistry;
import org.gradle.model.internal.type.ModelTypes;
import org.gradle.nativeplatform.internal.NativeBinarySpecInternal;

class UnmanagedElementIntegrationTest extends AbstractIntegrationSpec {

    def "can view unmanaged element as ModelElement"() {
        given:
        buildFile << '''
class Thing { }

class Rules extends RuleSource {
    @Model
    Thing thing() {
        return new Thing()
    }

    @Mutate
    void tasks(ModelMap<Task> tasks, @Path("thing") ModelElement thing) {
        tasks.create("show") {
            doLast {

 */

package org.gradle.model.internal.registry;

import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import org.gradle.internal.Cast;
import org.gradle.model.RuleSource;
import org.gradle.model.internal.core.InstanceModelView;
import org.gradle.model.internal.core.ModelAction;
import org.gradle.model.internal.core.ModelActionRole;
import org.gradle.model.internal.core.ModelAdapter;

        buildScript '''
            @Managed
            interface Named {
                String getName()
                void setName(String name)
            }

            class RulePlugin extends RuleSource {
                @Model
                void first(Named first) {
                }

                @Model
                void second(Named second) {
                }

                @Mutate

        failure.assertHasCause("Failed to apply plugin class 'BrokenPlugin'")
        failure.assertHasCause("throwing plugin")
    }

    def "cannot apply a plugin that does not implement Plugin and does not extend RuleSource"() {
        buildFile << '''
apply plugin: BrokenPlugin

class BrokenPlugin {
    void apply(Project target) {
    }
}
'''

        when:
        fails()

        then:

        buildFile << """
        class MySamplePlugin implements Plugin<Project> {
            void apply(final Project project) {}

            static class Rules extends RuleSource {
                @ComponentType
                void register(TypeBuilder<SampleBinary> builder) {
                }

                @Mutate
                void createSampleBinary(BinaryContainer binaries) {

            Set<Widget> getItems()
            void setItems(Set<Widget> s)

            @Unmanaged
            List getRawWidgets()
            void setRawWidgets(List l)
        }

        class Rules extends RuleSource {
            @Model
            void createContainer(Container c) {
                c.items = []
                c.widgets = []
                c.rawWidgets = []
            }

            @Mutate

            class MyPlugin implements Plugin {
                void apply(project) {
                  project.tasks.create("imperative-sentinel")
                }

                static class Rules extends RuleSource {
                    @Model String thing() {
                        "foo"
                    }
                }
            }
        """

// tag::managed-type-plugin-and-dsl[]
// tag::managed-type-and-plugin[]
// tag::managed-type[]
}
// end::managed-type[]

// tag::rule-source-plugin[]
class PersonRules extends RuleSource {
// tag::create-rule[]
  @Model void person(Person p) {}
// end::create-rule[]

// tag::plugin-mutate-rule[]
  //Create a rule that modifies a Person and takes no other inputs

 *
 * class MyCustomBinaryCreationTask extends DefaultTask {
 *      {@literal @}TaskAction void build() {
 *          //building the binary
 *      }
 * }
 *
 * class MyCustomBinariesPlugin extends RuleSource {
 *     {@literal @}ComponentType
 *     void register(TypeBuilder<SampleBinary> builder) {}
 *
 *     {@literal @}BinaryTasks
 *     void createBinaryTasks(ModelMap<Task> tasks, SampleBinary binary) {