const request = require('supertest');
const app = require('../server');
const { registerUser, createEmployerProfile } = require('./utils');

async function createJob(token) {
  const response = await request(app)
    .post('/api/jobs')
    .set('Authorization', `Bearer ${token}`)
    .send({
      title: 'QA Engineer',
      description: 'Ensure software quality',
      requirements: ['Attention to detail'],
      responsibilities: ['Write test plans'],
      location: 'Remote',
      employmentType: 'full-time',
      remoteAllowed: true
    })
    .expect(201);

  return response.body.job;
}

describe('Applications API', () => {
  it('supports full application lifecycle', async () => {
    const { token: employerToken } = await registerUser('employer');
    await createEmployerProfile(employerToken);
    const job = await createJob(employerToken);

    const { token: candidateToken } = await registerUser('candidate');

    await request(app)
      .post('/api/candidates')
      .set('Authorization', `Bearer ${candidateToken}`)
      .send({
        location: 'Remote',
        skills: ['Automation'],
        experienceLevel: 'mid'
      })
      .expect(201);

    const applicationResponse = await request(app)
      .post('/api/applications')
      .set('Authorization', `Bearer ${candidateToken}`)
      .send({
        jobId: job.id,
        coverLetter: 'Excited to apply'
      })
      .expect(201);

    const applicationId = applicationResponse.body.application.id;

    const listForCandidate = await request(app)
      .get('/api/applications')
      .set('Authorization', `Bearer ${candidateToken}`)
      .expect(200);

    expect(listForCandidate.body.applications).toHaveLength(1);

    await request(app)
      .put(`/api/applications/${applicationId}/status`)
      .set('Authorization', `Bearer ${employerToken}`)
      .send({ status: 'reviewed' })
      .expect(200);

    await request(app)
      .put(`/api/applications/${applicationId}/notes`)
      .set('Authorization', `Bearer ${employerToken}`)
      .send({ notes: 'Strong automation background' })
      .expect(200);

    const detailResponse = await request(app)
      .get(`/api/applications/${applicationId}`)
      .set('Authorization', `Bearer ${employerToken}`)
      .expect(200);

    expect(detailResponse.body.status).toBe('reviewed');
    expect(detailResponse.body.notes).toBe('Strong automation background');
  });
});