import { INestApplication } from '@nestjs/common';
import { Test } from '@nestjs/testing';
import * as request from 'supertest';
import { AppModule } from '../src/app.module';
import { configureApp } from '../src/app.setup';

describe('App (e2e)', () => {
  let app: INestApplication;

  beforeAll(async () => {
    const moduleRef = await Test.createTestingModule({
      imports: [AppModule],
    }).compile();

    app = moduleRef.createNestApplication();
    configureApp(app);
    await app.init();
  });

  afterAll(async () => {
    await app.close();
  });

  it('/api/v1/health (GET)', async () => {
    const response = await request(app.getHttpServer()).get('/api/v1/health').expect(200);

    expect(response.body).toEqual({
      ok: true,
      data: {
        status: 'ok',
        timestamp: expect.any(String),
        services: {
          database: expect.any(String),
          redis: expect.any(String),
        },
      },
      error: null,
    });
  });

  it('/api/v1/unknown (GET)', async () => {
    const response = await request(app.getHttpServer()).get('/api/v1/unknown').expect(404);

    expect(response.body).toEqual({
      ok: false,
      data: null,
      error: {
        code: 'HTTP_404',
        message: expect.any(String),
      },
    });
  });

  it('/api/v1/auth/stylist/login (POST) validates request body', async () => {
    const response = await request(app.getHttpServer())
      .post('/api/v1/auth/stylist/login')
      .send({ email: 'bad-email', password: '' })
      .expect(400);

    expect(response.body.ok).toBe(false);
    expect(response.body.data).toBeNull();
    expect(response.body.error.code).toBe('HTTP_400');
  });

  it('/api/v1/auth/stylist/login (POST) returns invalid credentials when no matching account exists', async () => {
    const response = await request(app.getHttpServer())
      .post('/api/v1/auth/stylist/login')
      .send({ email: 'missing-app-e2e@example.com', password: 'Passw0rd!' })
      .expect(401);

    expect(response.body).toEqual({
      ok: false,
      data: null,
      error: {
        code: 'AUTH_INVALID_CREDENTIALS',
        message: '邮箱或密码错误',
      },
    });
  });

  it('/api/v1/customers (GET) requires authentication', async () => {
    const response = await request(app.getHttpServer())
      .get('/api/v1/customers')
      .expect(401);

    expect(response.body).toEqual({
      ok: false,
      data: null,
      error: {
        code: 'AUTH_UNAUTHORIZED',
        message: '未登录或登录已失效',
      },
    });
  });

  it('/api/v1/templates (GET) returns an empty list envelope', async () => {
    const response = await request(app.getHttpServer())
      .get('/api/v1/templates')
      .expect(200);

    expect(response.body).toEqual({
      ok: true,
      data: {
        items: [],
        total: 0,
      },
      error: null,
    });
  });

  it('/api/v1/simulations (POST) validates create payload', async () => {
    await request(app.getHttpServer())
      .post('/api/v1/simulations')
      .send({})
      .expect(400);
  });
});