package com.openisle.integration;

import com.openisle.model.Role;
import com.openisle.model.User;
import com.openisle.repository.UserRepository;
import com.openisle.service.EmailSender;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.*;

import java.util.List;
import java.util.Map;

import static org.junit.jupiter.api.Assertions.*;

/** Integration tests for review publish mode. */
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
        properties = "app.post.publish-mode=REVIEW")
class PublishModeIntegrationTest {

    @Autowired
    private TestRestTemplate rest;

    @Autowired
    private UserRepository users;

    @MockBean
    private EmailSender emailService;

    private String registerAndLogin(String username, String email) {
        HttpHeaders h = new HttpHeaders();
        h.setContentType(MediaType.APPLICATION_JSON);
        rest.postForEntity("/api/auth/register", new HttpEntity<>(
                Map.of("username", username, "email", email, "password", "pass123"), h), Map.class);
        User u = users.findByUsername(username).orElseThrow();
        rest.postForEntity("/api/auth/verify", new HttpEntity<>(
                Map.of("username", username, "code", u.getVerificationCode()), h), Map.class);
        ResponseEntity<Map> resp = rest.postForEntity("/api/auth/login", new HttpEntity<>(
                Map.of("username", username, "password", "pass123"), h), Map.class);
        return (String) resp.getBody().get("token");
    }

    private String registerAndLoginAsAdmin(String username, String email) {
        String token = registerAndLogin(username, email);
        User u = users.findByUsername(username).orElseThrow();
        u.setRole(Role.ADMIN);
        users.save(u);
        return token;
    }

    private ResponseEntity<Map> postJson(String url, Map<?,?> body, String token) {
        HttpHeaders h = new HttpHeaders();
        h.setContentType(MediaType.APPLICATION_JSON);
        if (token != null) h.setBearerAuth(token);
        return rest.exchange(url, HttpMethod.POST, new HttpEntity<>(body, h), Map.class);
    }

    private <T> ResponseEntity<T> get(String url, Class<T> type, String token) {
        HttpHeaders h = new HttpHeaders();
        if (token != null) h.setBearerAuth(token);
        return rest.exchange(url, HttpMethod.GET, new HttpEntity<>(h), type);
    }

    @Test
    void postRequiresApproval() {
        String userToken = registerAndLogin("eve", "e@example.com");
        String adminToken = registerAndLoginAsAdmin("admin", "admin@example.com");

        ResponseEntity<Map> catResp = postJson("/api/categories",
                Map.of("name", "review", "describe", "d", "icon", "i"), adminToken);
        Long catId = ((Number)catResp.getBody().get("id")).longValue();

        ResponseEntity<Map> tagResp = postJson("/api/tags",
                Map.of("name", "t1", "describe", "d", "icon", "i"), adminToken);
        Long tagId = ((Number)tagResp.getBody().get("id")).longValue();

        ResponseEntity<Map> postResp = postJson("/api/posts",
                Map.of("title", "Need", "content", "Review", "categoryId", catId,
                        "tagIds", List.of(tagId)), userToken);
        Long postId = ((Number)postResp.getBody().get("id")).longValue();

        List<?> list = rest.getForObject("/api/posts", List.class);
        assertTrue(list.isEmpty(), "Post should not be listed before approval");

        List<Map<String, Object>> pending = get("/api/admin/posts/pending", List.class, adminToken).getBody();
        assertEquals(1, pending.size());
        assertEquals(postId.intValue(), ((Number)pending.get(0).get("id")).intValue());

        postJson("/api/admin/posts/" + postId + "/approve", Map.of(), adminToken);

        List<?> listAfter = rest.getForObject("/api/posts", List.class);
        assertEquals(1, listAfter.size(), "Post should appear after approval");
    }
}