package com.dalab.discovery.client.rest;

import static org.mockito.Mockito.*;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.Primary;
import org.springframework.http.MediaType;
import org.springframework.security.test.context.support.WithMockUser;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.web.servlet.MockMvc;

import com.dalab.discovery.client.rest.dto.DiscoveryStatsDTO;
import com.dalab.discovery.sd.config.TestDatabaseConfiguration;
import com.dalab.discovery.stats.service.IDiscoveryStatsService;
import com.fasterxml.jackson.databind.ObjectMapper;

@SpringBootTest(
    classes = com.dalab.discovery.application.DADiscoveryAgent.class,
    properties = {
        "spring.autoconfigure.exclude=com.google.cloud.spring.autoconfigure.secretmanager.GcpSecretManagerAutoConfiguration,com.google.cloud.spring.autoconfigure.core.GcpAutoConfiguration",
        "server.port=0"
    }
)
@AutoConfigureMockMvc
@ActiveProfiles("test")
@Import({TestWebSecurityConfiguration.class, TestDatabaseConfiguration.class})
class DiscoveryStatsControllerTest {

    @TestConfiguration
    static class StatsControllerTestConfiguration {
        @Bean
        @Primary
        public IDiscoveryStatsService statsServiceMock() {
            return Mockito.mock(IDiscoveryStatsService.class);
        }
    }

    @Autowired
    private MockMvc mockMvc;

    @Autowired
    private IDiscoveryStatsService statsService;

    @Autowired
    private ObjectMapper objectMapper;

    private DiscoveryStatsDTO statsDTO;

    @BeforeEach
    void setUp() {
        statsDTO = DiscoveryStatsDTO.builder()
            .totalScansSubmitted(100L)
            .scansSucceeded(90L)
            .scansFailed(5L)
            .scansRunning(3L)
            .scansPending(2L)
            .totalAssetsInCatalog(5000L)
            .assetsDiscoveredLast24h(200L)
            .averageScanDurationSeconds(120.5)
            .build();
    }

    @Test
    @WithMockUser(authorities = "ROLE_ADMIN")
    void getDiscoveryStats_AsAdmin_ShouldReturnStats() throws Exception {
        when(statsService.getDiscoveryStats()).thenReturn(statsDTO);

        mockMvc.perform(get("/api/v1/discovery/stats")
                        .accept(MediaType.APPLICATION_JSON))
                .andExpect(status().isOk())
                .andExpect(jsonPath("$.totalScansSubmitted").value(100L))
                .andExpect(jsonPath("$.totalAssetsInCatalog").value(5000L))
                .andExpect(jsonPath("$.averageScanDurationSeconds").value(120.5));
    }

    @Test
    @WithMockUser(authorities = "ROLE_GUEST")
    void getDiscoveryStats_AsGuest_ShouldBeForbidden() throws Exception {
        when(statsService.getDiscoveryStats()).thenReturn(statsDTO); 

        mockMvc.perform(get("/api/v1/discovery/stats")
                        .accept(MediaType.APPLICATION_JSON))
                .andExpect(status().isForbidden());
    }
    
    @Test
    @WithMockUser(authorities = "ROLE_USER")
    void getDiscoveryStats_AsUser_ShouldReturnStats() throws Exception {
        when(statsService.getDiscoveryStats()).thenReturn(statsDTO);

        mockMvc.perform(get("/api/v1/discovery/stats")
                        .accept(MediaType.APPLICATION_JSON))
                .andExpect(status().isOk())
                .andExpect(jsonPath("$.totalScansSubmitted").value(100L));
    }
}