import { describe, it, expect, beforeAll, afterAll } from 'vitest';
import request from 'supertest';
import { setupApp, teardown, resetDb } from './setup.js';
import { makePayload } from './fixtures.js';

const TOKEN = 'Bearer dev-ingest-token-1234';

let app: any;

beforeAll(async () => {
  ({ app } = await setupApp());
}, 90000);
afterAll(async () => {
  await teardown();
});

describe('ingest auth/validation', () => {
  it('401 without token', async () => {
    const res = await request(app).post('/api/ingest').send(makePayload());
    expect(res.status).toBe(401);
  });

  it('400 bad payload', async () => {
    const res = await request(app)
      .post('/api/ingest')
      .set('Authorization', 'Bearer dev-ingest-token-1234')
      .send({ inquiry: {} });
    expect(res.status).toBe(400);
  });
});

describe('ingest basic insert', () => {
  it('accepts valid payload, inserts 2 messages', async () => {
    await resetDb();
    const res = await request(app).post('/api/ingest')
      .set('Authorization', 'Bearer dev-ingest-token-1234').send(makePayload());
    expect(res.status).toBe(200);
    expect(res.body.inserted).toBe(2);
    expect(res.body.earlyReturn).toBe(false);
  });
});

describe('ingest idempotency + increment', () => {
  it('push N → push N again early-returns', async () => {
    await resetDb();
    const p = makePayload();
    const r1 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(p);
    expect(r1.status).toBe(200);
    expect(r1.body.inserted).toBe(2);
    expect(r1.body.earlyReturn).toBe(false);
    const r2 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(p);
    expect(r2.body.earlyReturn).toBe(true);
  });

  it('push N → push N+1 → push N+1 again early-returns (messagesCount=total regression)', async () => {
    await resetDb();
    const base = makePayload();
    await request(app).post('/api/ingest').set('Authorization', TOKEN).send(base);
    const withOneMore = makePayload({
      messages: [
        ...base.messages,
        { messageId: 'm3', sendTime: '2026-07-13T02:13:00Z', sender: 'x', direction: 'incoming', content: 'c3', translation: '' },
      ],
    });
    const r3 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(withOneMore);
    expect(r3.body.inserted).toBe(3);          // 总量 3,不是 delta 1
    expect(r3.body.earlyReturn).toBe(false);
    // 再推同样 3 条 → 早返回(若 messagesCount 退化成 delta,这里 earlyReturn 会是 false)
    const r4 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(withOneMore);
    expect(r4.body.earlyReturn).toBe(true);
    expect(r4.body.inserted).toBe(3);
  });
});