/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.server.bind;

import static javax.ws.rs.HttpMethod.GET;
import static javax.ws.rs.core.Response.Status;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.mock;

import java.net.URI;
import javax.ws.rs.core.SecurityContext;
import org.glassfish.jersey.internal.PropertiesDelegate;
import org.glassfish.jersey.server.ApplicationHandler;
import org.glassfish.jersey.server.ContainerRequest;
import org.glassfish.jersey.server.ResourceConfig;
import org.junit.jupiter.api.Test;

class ComponentsBinderTest {
    private final ComponentsBinder binder = new ComponentsBinder();

    @Test
    void shouldConfigureSingletonDependencyInjection() {
        configureSingletonInjection();
        testDependencyInjectionConfiguration();
    }

    @Test
    void shouldConfigureSupplierDependencyInjection() {
        configureSupplierInjection();
        testDependencyInjectionConfiguration();
    }

    @Test
    void shouldConfigureSupplierClassDependencyInjection() {
        configureSupplierClassInjection();
        testDependencyInjectionConfiguration();
    }

    @Test
    void shouldThrowWhenDependencyInjectionConfiguredAfterStartup() {
        configureSingletonInjection();

        testDependencyInjectionConfiguration();

        assertThrows(IllegalStateException.class, this::configureSingletonInjection);
        assertThrows(IllegalStateException.class, this::configureSingletonInjection);
        assertThrows(IllegalStateException.class, this::configureSupplierClassInjection);
    }

    private void configureSingletonInjection() {
        binder.addSingletonBinding(new DummyComponent(), DummyComponent.class);
    }

    private void configureSupplierInjection() {
        binder.addLazyBinding(DummyComponent::new, DummyComponent.class);
    }

    private void configureSupplierClassInjection() {
        binder.addLazyBinding(DummyComponentSupplier.class, DummyComponent.class);
    }

    private void testDependencyInjectionConfiguration() {
        ResourceConfig resourceConfig = new ResourceConfig().register(binder).register(DummyRestResource.class);

        ApplicationHandler handler = new ApplicationHandler(resourceConfig);

        ContainerRequest request = new ContainerRequest(
                URI.create("http://neo4j.com/"),
                URI.create("http://neo4j.com/"),
                GET,
                mock(SecurityContext.class),
                mock(PropertiesDelegate.class),
                null);

        MemorizingContainerResponseWriter responseWriter = new MemorizingContainerResponseWriter();
        request.setWriter(responseWriter);

        handler.handle(request);

        assertEquals(Status.OK, responseWriter.getStatus());
        assertEquals(DummyComponent.VALUE, responseWriter.getEntity());
    }
}
