package org.springframework.samples.petclinic.web;

import org.assertj.core.util.Lists;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.support.FormattingConversionServiceFactoryBean;
import org.springframework.samples.petclinic.model.Owner;
import org.springframework.samples.petclinic.model.Pet;
import org.springframework.samples.petclinic.model.PetType;
import org.springframework.samples.petclinic.service.ClinicService;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;

import static org.mockito.BDDMockito.given;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;

/**
 * Test class for the {@link PetController}
 *
 * @author Colin But
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({"classpath:spring/mvc-core-config.xml", "classpath:spring/mvc-test-config.xml"})
@WebAppConfiguration
public class PetControllerTests {

    private static final int TEST_OWNER_ID = 1;
    private static final int TEST_PET_ID = 1;

    @Autowired
    private PetController petController;

    @Autowired
    private FormattingConversionServiceFactoryBean formattingConversionServiceFactoryBean;

    @Autowired
    private ClinicService clinicService;

    private MockMvc mockMvc;

    @Before
    public void setup() {
        this.mockMvc = MockMvcBuilders
            .standaloneSetup(petController)
            .setConversionService(formattingConversionServiceFactoryBean.getObject())
            .build();

        PetType cat = new PetType();
        cat.setId(3);
        cat.setName("hamster");
        given(this.clinicService.findPetTypes()).willReturn(Lists.newArrayList(cat));
        given(this.clinicService.findOwnerById(TEST_OWNER_ID)).willReturn(new Owner());
        given(this.clinicService.findPetById(TEST_PET_ID)).willReturn(new Pet());
    }

    @Test
    public void testInitCreationForm() throws Exception {
        mockMvc.perform(get("/owners/{ownerId}/pets/new", TEST_OWNER_ID))
            .andExpect(status().isOk())
            .andExpect(view().name("pets/createOrUpdatePetForm"))
            .andExpect(model().attributeExists("pet"));
    }

    @Test
    public void testProcessCreationFormSuccess() throws Exception {
        mockMvc.perform(post("/owners/{ownerId}/pets/new", TEST_OWNER_ID)
            .param("name", "Betty")
            .param("type", "hamster")
            .param("birthDate", "2015/02/12")
        )
            .andExpect(status().is3xxRedirection())
            .andExpect(view().name("redirect:/owners/{ownerId}"));
    }

    @Test
    public void testProcessCreationFormHasErrors() throws Exception {
        mockMvc.perform(post("/owners/{ownerId}/pets/{petId}/edit", TEST_OWNER_ID, TEST_PET_ID)
            .param("name", "Betty")
            .param("birthDate", "2015/02/12")
        )
            .andExpect(model().attributeHasNoErrors("owner"))
            .andExpect(model().attributeHasErrors("pet"))
            .andExpect(status().isOk())
            .andExpect(view().name("pets/createOrUpdatePetForm"));
    }

    @Test
    public void testInitUpdateForm() throws Exception {
        mockMvc.perform(get("/owners/{ownerId}/pets/{petId}/edit", TEST_OWNER_ID, TEST_PET_ID))
            .andExpect(status().isOk())
            .andExpect(model().attributeExists("pet"))
            .andExpect(view().name("pets/createOrUpdatePetForm"));
    }

    @Test
    public void testProcessUpdateFormSuccess() throws Exception {
        mockMvc.perform(post("/owners/{ownerId}/pets/{petId}/edit", TEST_OWNER_ID, TEST_PET_ID)
            .param("name", "Betty")
            .param("type", "hamster")
            .param("birthDate", "2015/02/12")
        )
            .andExpect(status().is3xxRedirection())
            .andExpect(view().name("redirect:/owners/{ownerId}"));
    }

    @Test
    public void testProcessUpdateFormHasErrors() throws Exception {
        mockMvc.perform(post("/owners/{ownerId}/pets/{petId}/edit", TEST_OWNER_ID, TEST_PET_ID)
            .param("name", "Betty")
            .param("birthDate", "2015/02/12")
        )
            .andExpect(model().attributeHasNoErrors("owner"))
            .andExpect(model().attributeHasErrors("pet"))
            .andExpect(status().isOk())
            .andExpect(view().name("pets/createOrUpdatePetForm"));
    }

}
