package com.label.integration;

import com.label.AbstractIntegrationTest;
import com.label.dto.LoginRequest;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.*;

import java.util.Map;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * 鎻愬彇闃舵瀹℃壒闆嗘垚娴嬭瘯锛圲S4锛夈€? *
 * 娴嬭瘯鍦烘櫙锛? * 1. 瀹℃壒閫氳繃 鈫?QA_GENERATION 浠诲姟鑷姩鍒涘缓锛宻ource_data 鐘舵€佹洿鏂颁负 QA_REVIEW
 * 2. 瀹℃壒浜轰笌鎻愪氦浜虹浉鍚岋紙鑷锛夆啋 403 SELF_REVIEW_FORBIDDEN
 * 3. 椹冲洖鍚庢爣娉ㄥ憳鍙噸棰嗕换鍔″苟鍐嶆鎻愪氦
 */
public class ExtractionApprovalIntegrationTest extends AbstractIntegrationTest {

    @Autowired
    private TestRestTemplate restTemplate;

    private Long sourceId;
    private Long taskId;
    private Long annotatorUserId;
    private Long reviewerUserId;

    @BeforeEach
    void setup() {
        // 鑾峰彇绉嶅瓙鐢ㄦ埛 ID锛坕nit.sql 涓凡鎻掑叆锛?        annotatorUserId = jdbcTemplate.queryForObject(
                "SELECT id FROM sys_user WHERE username = 'annotator01'", Long.class);
        reviewerUserId = jdbcTemplate.queryForObject(
                "SELECT id FROM sys_user WHERE username = 'reviewer01'", Long.class);
        Long companyId = jdbcTemplate.queryForObject(
                "SELECT id FROM sys_company WHERE company_code = 'DEMO'", Long.class);

        // 鎻掑叆娴嬭瘯 source_data
        jdbcTemplate.execute(
                "INSERT INTO source_data (company_id, uploader_id, data_type, file_path, " +
                "file_name, file_size, bucket_name, status) " +
                "VALUES (" + companyId + ", " + annotatorUserId + ", 'TEXT', " +
                "'test/approval-test/file.txt', 'file.txt', 100, 'test-bucket', 'PENDING')");
        sourceId = jdbcTemplate.queryForObject(
                "SELECT id FROM source_data ORDER BY id DESC LIMIT 1", Long.class);

        // 鎻掑叆 UNCLAIMED EXTRACTION 浠诲姟
        jdbcTemplate.execute(
                "INSERT INTO annotation_task (company_id, source_id, task_type, status) " +
                "VALUES (" + companyId + ", " + sourceId + ", 'EXTRACTION', 'UNCLAIMED')");
        taskId = jdbcTemplate.queryForObject(
                "SELECT id FROM annotation_task ORDER BY id DESC LIMIT 1", Long.class);
    }

    // ------------------------------------------------------------------ 娴嬭瘯 1: 瀹℃壒閫氳繃 鈫?QA 浠诲姟鑷姩鍒涘缓 --

    @Test
    @DisplayName("瀹℃壒閫氳繃鍚庯紝QA_GENERATION 浠诲姟鑷姩鍒涘缓锛宻ource_data 鐘舵€佸彉涓?QA_REVIEW")
    void approveTask_thenQaTaskAndSourceStatusUpdated() {
        String annotatorToken = loginAndGetToken("DEMO", "annotator01", "annot123");
        String reviewerToken  = loginAndGetToken("DEMO", "reviewer01",  "review123");

        // 1. 鏍囨敞鍛橀鍙栦换鍔?        ResponseEntity<Map> claimResp = restTemplate.exchange(
                baseUrl("/api/tasks/" + taskId + "/claim"),
                HttpMethod.POST, bearerRequest(annotatorToken), Map.class);
        assertThat(claimResp.getStatusCode()).isEqualTo(HttpStatus.OK);

        // 2. 鏍囨敞鍛樻彁浜ゆ爣娉?        ResponseEntity<Map> submitResp = restTemplate.exchange(
                baseUrl("/api/extraction/" + taskId + "/submit"),
                HttpMethod.POST, bearerRequest(annotatorToken), Map.class);
        assertThat(submitResp.getStatusCode()).isEqualTo(HttpStatus.OK);

        // 3. 瀹℃牳鍛樺鎵归€氳繃
        // 娉細ExtractionApprovedEventListener(@TransactionalEventListener AFTER_COMMIT)
        // 鍦ㄥ悓涓€绾跨▼涓悓姝ユ墽琛岋紝HTTP 鍝嶅簲杩斿洖鍓嶅凡瀹屾垚鍚庣画澶勭悊
        ResponseEntity<Map> approveResp = restTemplate.exchange(
                baseUrl("/api/extraction/" + taskId + "/approve"),
                HttpMethod.POST, bearerRequest(reviewerToken), Map.class);
        assertThat(approveResp.getStatusCode()).isEqualTo(HttpStatus.OK);

        // 楠岃瘉锛氬師浠诲姟鐘舵€佸彉涓?APPROVED锛宨s_final=true
        Map<String, Object> taskRow = jdbcTemplate.queryForMap(
                "SELECT status, is_final FROM annotation_task WHERE id = ?", taskId);
        assertThat(taskRow.get("status")).isEqualTo("APPROVED");
        assertThat(taskRow.get("is_final")).isEqualTo(Boolean.TRUE);

        // 楠岃瘉锛歈A_GENERATION 浠诲姟宸茶嚜鍔ㄥ垱寤猴紙UNCLAIMED 鐘舵€侊級
        Integer qaTaskCount = jdbcTemplate.queryForObject(
                "SELECT COUNT(*) FROM annotation_task " +
                "WHERE source_id = ? AND task_type = 'QA_GENERATION' AND status = 'UNCLAIMED'",
                Integer.class, sourceId);
        assertThat(qaTaskCount).as("QA_GENERATION 浠诲姟搴斿凡鍒涘缓").isEqualTo(1);

        // 楠岃瘉锛歴ource_data 鐘舵€佸凡鏇存柊涓?QA_REVIEW
        String sourceStatus = jdbcTemplate.queryForObject(
                "SELECT status FROM source_data WHERE id = ?", String.class, sourceId);
        assertThat(sourceStatus).as("source_data 鐘舵€佸簲涓?QA_REVIEW").isEqualTo("QA_REVIEW");

        // 楠岃瘉锛歵raining_dataset 宸蹭互 PENDING_REVIEW 鐘舵€佸垱寤?        Integer datasetCount = jdbcTemplate.queryForObject(
                "SELECT COUNT(*) FROM training_dataset " +
                "WHERE source_id = ? AND status = 'PENDING_REVIEW'",
                Integer.class, sourceId);
        assertThat(datasetCount).as("training_dataset 搴斿凡鍒涘缓").isEqualTo(1);
    }

    // ------------------------------------------------------------------ 娴嬭瘯 2: 鑷杩斿洖 403 --

    @Test
    @DisplayName("瀹℃壒浜轰笌浠诲姟棰嗗彇浜虹浉鍚岋紙鑷锛夆啋 403 SELF_REVIEW_FORBIDDEN")
    void approveOwnSubmission_returnsForbidden() {
        // 鐩存帴灏嗕换鍔＄疆涓?SUBMITTED 骞惰 claimed_by = reviewer01锛堟ā鎷熻嚜瀹″満鏅級
        jdbcTemplate.execute(
                "UPDATE annotation_task " +
                "SET status = 'SUBMITTED', claimed_by = " + reviewerUserId +
                ", claimed_at = NOW(), submitted_at = NOW() " +
                "WHERE id = " + taskId);

        String reviewerToken = loginAndGetToken("DEMO", "reviewer01", "review123");

        ResponseEntity<Map> resp = restTemplate.exchange(
                baseUrl("/api/extraction/" + taskId + "/approve"),
                HttpMethod.POST, bearerRequest(reviewerToken), Map.class);

        assertThat(resp.getStatusCode()).isEqualTo(HttpStatus.FORBIDDEN);

        // 楠岃瘉浠诲姟鐘舵€佹湭鍙?        String status = jdbcTemplate.queryForObject(
                "SELECT status FROM annotation_task WHERE id = ?", String.class, taskId);
        assertThat(status).isEqualTo("SUBMITTED");
    }

    // ------------------------------------------------------------------ 娴嬭瘯 3: 椹冲洖 鈫?閲嶉 鈫?鍐嶆彁浜?--

    @Test
    @DisplayName("椹冲洖鍚庢爣娉ㄥ憳鍙噸棰嗕换鍔″苟鍐嶆鎻愪氦锛屼换鍔＄姸鎬佹仮澶嶄负 SUBMITTED")
    void rejectThenReclaimAndResubmit_succeeds() {
        String annotatorToken = loginAndGetToken("DEMO", "annotator01", "annot123");
        String reviewerToken  = loginAndGetToken("DEMO", "reviewer01",  "review123");

        // 1. 鏍囨敞鍛橀鍙栧苟鎻愪氦
        restTemplate.exchange(baseUrl("/api/tasks/" + taskId + "/claim"),
                HttpMethod.POST, bearerRequest(annotatorToken), Map.class);
        restTemplate.exchange(baseUrl("/api/extraction/" + taskId + "/submit"),
                HttpMethod.POST, bearerRequest(annotatorToken), Map.class);

        // 2. 瀹℃牳鍛橀┏鍥烇紙椹冲洖鍘熷洜蹇呭～锛?        HttpHeaders rejectHeaders = new HttpHeaders();
        rejectHeaders.set("Authorization", "Bearer " + reviewerToken);
        rejectHeaders.setContentType(MediaType.APPLICATION_JSON);
        HttpEntity<Map<String, String>> rejectReq = new HttpEntity<>(
                Map.of("reason", "瀹炰綋璇嗗埆鏈夎锛岃閲嶆柊鏍囨敞"), rejectHeaders);

        ResponseEntity<Map> rejectResp = restTemplate.exchange(
                baseUrl("/api/extraction/" + taskId + "/reject"),
                HttpMethod.POST, rejectReq, Map.class);
        assertThat(rejectResp.getStatusCode()).isEqualTo(HttpStatus.OK);

        // 楠岃瘉锛氫换鍔＄姸鎬佸彉涓?REJECTED
        String statusAfterReject = jdbcTemplate.queryForObject(
                "SELECT status FROM annotation_task WHERE id = ?", String.class, taskId);
        assertThat(statusAfterReject).isEqualTo("REJECTED");

        // 3. 鏍囨敞鍛橀噸棰嗕换鍔★紙REJECTED 鈫?IN_PROGRESS锛?        ResponseEntity<Map> reclaimResp = restTemplate.exchange(
                baseUrl("/api/tasks/" + taskId + "/reclaim"),
                HttpMethod.POST, bearerRequest(annotatorToken), Map.class);
        assertThat(reclaimResp.getStatusCode()).isEqualTo(HttpStatus.OK);

        // 楠岃瘉锛氫换鍔＄姸鎬佹仮澶嶄负 IN_PROGRESS
        String statusAfterReclaim = jdbcTemplate.queryForObject(
                "SELECT status FROM annotation_task WHERE id = ?", String.class, taskId);
        assertThat(statusAfterReclaim).isEqualTo("IN_PROGRESS");

        // 4. 鏍囨敞鍛樺啀娆℃彁浜わ紙IN_PROGRESS 鈫?SUBMITTED锛?        ResponseEntity<Map> resubmitResp = restTemplate.exchange(
                baseUrl("/api/extraction/" + taskId + "/submit"),
                HttpMethod.POST, bearerRequest(annotatorToken), Map.class);
        assertThat(resubmitResp.getStatusCode()).isEqualTo(HttpStatus.OK);

        // 楠岃瘉锛氫换鍔＄姸鎬佸彉涓?SUBMITTED
        String finalStatus = jdbcTemplate.queryForObject(
                "SELECT status FROM annotation_task WHERE id = ?", String.class, taskId);
        assertThat(finalStatus).isEqualTo("SUBMITTED");
    }

    // ------------------------------------------------------------------ 宸ュ叿鏂规硶 --

    private String loginAndGetToken(String companyCode, String username, String password) {
        LoginRequest req = new LoginRequest();
        req.setCompanyCode(companyCode);
        req.setUsername(username);
        req.setPassword(password);
        ResponseEntity<Map> response = restTemplate.postForEntity(
                baseUrl("/api/auth/login"), req, Map.class);
        if (!response.getStatusCode().is2xxSuccessful()) {
            return null;
        }
        @SuppressWarnings("unchecked")
        Map<String, Object> data = (Map<String, Object>) response.getBody().get("data");
        return (String) data.get("token");
    }

    private HttpEntity<Void> bearerRequest(String token) {
        HttpHeaders headers = new HttpHeaders();
        headers.set("Authorization", "Bearer " + token);
        return new HttpEntity<>(headers);
    }
}