package jnpf.permission.controller;

import jnpf.permission.AuthorizeApi;
import jnpf.permission.fallback.AuthorizeApiFallback;
import jnpf.permission.model.authorize.UserPermissionProbe;
import jnpf.permission.service.AuthorizeService;
import jnpf.util.NoDataSourceBind;
import org.junit.Test;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;

import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

public class UserPermissionProbeControllerTest {

    @Test
    public void controllerDelegatesProbeAndKeepsDataSourceBindingDisabled() throws Exception {
        UserPermissionProbe.Result expected = new UserPermissionProbe.Result(true, "ALLOWED");
        AuthorizeService service = (AuthorizeService) Proxy.newProxyInstance(
                AuthorizeService.class.getClassLoader(), new Class<?>[]{AuthorizeService.class},
                (proxy, method, args) -> "probeUserPermission".equals(method.getName()) ? expected : null);
        AuthorizeController controller = new AuthorizeController(
                service, null, null, null, null, null, null, null, null, null);
        UserPermissionProbe probe = new UserPermissionProbe();

        assertSame(expected, controller.probeUserPermission(probe));
        Method method = AuthorizeController.class.getMethod("probeUserPermission", UserPermissionProbe.class);
        assertNotNull(method.getAnnotation(NoDataSourceBind.class));
        assertEquals("/probeUserPermission", method.getAnnotation(PostMapping.class).value()[0]);
    }

    @Test
    public void feignContractUsesPostBodyAndFallbackFailsClosed() throws Exception {
        Method method = AuthorizeApi.class.getMethod("probeUserPermission", UserPermissionProbe.class);
        assertEquals("/probeUserPermission", method.getAnnotation(PostMapping.class).value()[0]);
        assertTrue(method.getParameters()[0].isAnnotationPresent(RequestBody.class));

        UserPermissionProbe.Result result = new AuthorizeApiFallback().probeUserPermission(new UserPermissionProbe());
        assertFalse(result.isAllowed());
        assertEquals("DEPENDENCY_FAILURE", result.getReasonCode());
    }
}