import { INestApplication } from '@nestjs/common';
import { Test, TestingModule } from '@nestjs/testing';
import request from 'supertest';
import { App } from 'supertest/types';
import { AppModule } from '../src/app.module';
import { configureApp } from '../src/common/configure-app';

describe('Swagger (e2e)', () => {
  describe('when enabled', () => {
    let app: INestApplication<App>;

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

      app = moduleFixture.createNestApplication();
      configureApp(app, {
        NODE_ENV: 'test',
        SWAGGER_ENABLED: 'true',
      });
      await app.init();
    });

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

    it('GET /docs returns HTML UI', async () => {
      const res = await request(app.getHttpServer()).get('/docs').expect(200);
      expect(res.text).toContain('Swagger UI');
    });

    it('GET /docs-json includes auth paths', async () => {
      const res = await request(app.getHttpServer())
        .get('/docs-json')
        .expect(200);

      const body = res.body as {
        paths: Record<string, unknown>;
        components: { securitySchemes: Record<string, unknown> };
      };

      expect(body.paths['/auth/login']).toBeDefined();
      expect(body.paths['/auth/me']).toBeDefined();
      expect(body.paths['/auth/register']).toBeDefined();
      expect(body.components.securitySchemes['access-token']).toBeDefined();
    });
  });

  describe('when production and not explicitly enabled', () => {
    let app: INestApplication<App>;

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

      app = moduleFixture.createNestApplication();
      configureApp(app, {
        NODE_ENV: 'production',
      });
      await app.init();
    });

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

    it('GET /docs returns 404', () => {
      return request(app.getHttpServer()).get('/docs').expect(404);
    });

    it('GET /docs-json returns 404', () => {
      return request(app.getHttpServer()).get('/docs-json').expect(404);
    });
  });
});