package incheon.product.common.theme.web;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import incheon.com.cmm.exception.RestApiExceptionHandler;
import incheon.product.common.theme.service.CommonThemeService;
import incheon.product.common.theme.vo.ThemeLayerVO;
import incheon.product.common.theme.vo.ThemeVO;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;

import java.util.List;

import static org.mockito.Mockito.when;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

/**
 * CommonThemeApiController MockMvc 테스트.
 * 2D/3D 공통 주제도 목록, 상세 null → 404, 레이어 목록을 검증한다.
 */
@ExtendWith(MockitoExtension.class)
class CommonThemeApiControllerTest {

    @InjectMocks
    private CommonThemeApiController controller;

    @Mock
    private CommonThemeService commonThemeService;

    private MockMvc mockMvc;

    @BeforeEach
    void setup() {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerModule(new JavaTimeModule());
        mockMvc = MockMvcBuilders.standaloneSetup(controller)
                .setControllerAdvice(new RestApiExceptionHandler())
                .setMessageConverters(
                        new StringHttpMessageConverter(),
                        new MappingJackson2HttpMessageConverter(mapper))
                .build();
    }

    @Test
    @DisplayName("주제도 목록 조회 (dim=g2d)")
    void getThemes() throws Exception {
        ThemeVO theme = new ThemeVO();
        theme.setId("T001");
        theme.setName("도시계획");
        when(commonThemeService.getThemes()).thenReturn(List.of(theme));

        mockMvc.perform(get("/api/v1/product/g2d/themes"))
                .andExpect(status().isOk())
                .andExpect(jsonPath("$.data[0].id").value("T001"));
    }

    @Test
    @DisplayName("주제도 상세 null → 404")
    void getThemeNotFound() throws Exception {
        when(commonThemeService.getTheme("NONE")).thenReturn(null);

        mockMvc.perform(get("/api/v1/product/g3d/themes/NONE"))
                .andExpect(status().isNotFound())
                .andExpect(jsonPath("$.code").value(404));
    }

    @Test
    @DisplayName("주제도별 레이어 목록 조회")
    void getLayers() throws Exception {
        ThemeLayerVO layer = new ThemeLayerVO();
        layer.setLayerId("L001");
        layer.setThemeId("T001");
        when(commonThemeService.getLayersByThemeId("T001")).thenReturn(List.of(layer));

        mockMvc.perform(get("/api/v1/product/g2d/themes/T001/layers"))
                .andExpect(status().isOk())
                .andExpect(jsonPath("$.data[0].layerId").value("L001"));
    }
}