/**
 * QiWei Express 接口测试（supertest，不启动真实端口）
 *
 * 运行：cd backend && pnpm test
 */
import { describe, it, before, after, beforeEach } from 'node:test';
import assert from 'node:assert';
import fs from 'node:fs';
import path from 'node:path';
import os from 'node:os';
import { fileURLToPath } from 'node:url';
import request from 'supertest';
import { createQiweiApp } from '../src/apps/qiwei/app.js';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const fixturePath = path.join(__dirname, 'fixtures', 'qiwei_callbacks_sample.json');
const samplePayload = JSON.parse(fs.readFileSync(fixturePath, 'utf-8')) as Record<string, unknown>;

function tempStorePath(): string {
  return path.join(os.tmpdir(), `qiwei-api-test-${process.pid}-${Date.now()}.json`);
}

describe('QiWei API /api/qiwei', () => {
  let storeFile: string;
  const app = createQiweiApp();

  before(() => {
    storeFile = tempStorePath();
    process.env.QIWEI_ROOM_DOC_STORE = storeFile;
  });

  after(() => {
    if (fs.existsSync(storeFile)) {
      fs.unlinkSync(storeFile);
    }
    delete process.env.QIWEI_ROOM_DOC_STORE;
    delete process.env.QIWEI_GUID;
    delete process.env.QIWEI_TOKEN;
  });

  beforeEach(() => {
    if (fs.existsSync(storeFile)) {
      fs.unlinkSync(storeFile);
    }
  });

  it('POST /webhook — 解析 docid 并写入台账', async () => {
    const res = await request(app)
      .post('/api/qiwei/webhook')
      .send(samplePayload)
      .expect(200);

    assert.strictEqual(res.body.ok, true);
    assert.ok(Array.isArray(res.body.docRefs));
    assert.ok(res.body.docRefs.length >= 2);

    const docids = res.body.docRefs.map((r: { docid: string | null }) => r.docid);
    assert.ok(docids.includes('DOC_TEST_abc123xyz'));
    assert.ok(docids.includes('DOC_OTHER_room2'));

    assert.ok(Array.isArray(res.body.saved));
    assert.strictEqual(res.body.saved.length, 2);
  });

  it('GET /room-docs — 查询群↔文档台账', async () => {
    await request(app).post('/api/qiwei/webhook').send(samplePayload).expect(200);

    const res = await request(app).get('/api/qiwei/room-docs').expect(200);

    assert.strictEqual(res.body.ok, true);
    assert.ok(res.body.items.length >= 2);
    const roomIds = res.body.items.map((i: { roomId: string | number }) => String(i.roomId));
    assert.ok(roomIds.includes('10791082136095292'));
    assert.ok(roomIds.includes('99999999999999'));
  });

  it('GET /room-docs/:roomId — 单个群文档', async () => {
    await request(app).post('/api/qiwei/webhook').send(samplePayload).expect(200);

    const res = await request(app)
      .get('/api/qiwei/room-docs/10791082136095292')
      .expect(200);

    assert.strictEqual(res.body.item.docid, 'DOC_TEST_abc123xyz');
    assert.ok(res.body.item.linkUrl.includes('doc.weixin.qq.com'));
  });

  it('GET /room-docs/:roomId — 未登记返回 404', async () => {
    await request(app).get('/api/qiwei/room-docs/00000000000000').expect(404);
  });

  it('POST /screen — 无法解析 docid 时命中异常模板', async () => {
    const payload = {
      data: [
        {
          cmd: 15000,
          msgType: 13,
          fromRoomId: 111,
          msgData: {
            linkUrl: 'https://doc.weixin.qq.com/some/page-without-docid',
            title: '无 docid 的链接',
          },
        },
      ],
    };

    const res = await request(app).post('/api/qiwei/screen').send(payload).expect(200);

    assert.strictEqual(res.body.ok, true);
    const codes = res.body.exceptions.map((e: { code: string }) => e.code);
    assert.ok(codes.includes('DOCID_PARSE_FAILED'));
  });

  it('POST /sync — 缺少 guid 返回 400', async () => {
    delete process.env.QIWEI_GUID;
    const res = await request(app).post('/api/qiwei/sync').send({}).expect(400);

    assert.strictEqual(res.body.ok, false);
    assert.ok(String(res.body.error).includes('guid'));
  });

  it('POST /sync — 无 QIWEI_TOKEN 返回 500', async () => {
    delete process.env.QIWEI_TOKEN;
    process.env.QIWEI_GUID = 'test-guid';

    const res = await request(app)
      .post('/api/qiwei/sync')
      .send({ guid: 'test-guid', msgSeq: 0 })
      .expect(500);

    assert.strictEqual(res.body.ok, false);
  });
});