import { describe, it, expect, beforeAll, beforeEach, afterAll } from 'bun:test'
import type { FastifyInstance } from 'fastify'
import { createTestApp, cleanDb, seedTestCompany, TEST_COMPANY_ID } from '../../../src/test/helpers.js'

describe('Auth routes', () => {
  let app: FastifyInstance

  beforeAll(async () => {
    app = await createTestApp()
  })

  beforeEach(async () => {
    await cleanDb(app)
    await seedTestCompany(app)
  })

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

  describe('POST /v1/auth/register', () => {
    it('creates a user and returns token', async () => {
      const response = await app.inject({
        method: 'POST',
        url: '/v1/auth/register',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'staff@musicstore.com',
          password: 'securepassword',
          firstName: 'Jane',
          lastName: 'Doe',
          role: 'staff',
        },
      })

      expect(response.statusCode).toBe(201)
      const body = response.json()
      expect(body.user.email).toBe('staff@musicstore.com')
      expect(body.user.firstName).toBe('Jane')
      expect(body.user.role).toBe('staff')
      expect(body.token).toBeDefined()
      expect(body.user.passwordHash).toBeUndefined()
    })

    it('rejects duplicate email within same company', async () => {
      await app.inject({
        method: 'POST',
        url: '/v1/auth/register',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'dupe@test.com',
          password: 'password123',
          firstName: 'First',
          lastName: 'User',
        },
      })

      const response = await app.inject({
        method: 'POST',
        url: '/v1/auth/register',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'dupe@test.com',
          password: 'password456',
          firstName: 'Second',
          lastName: 'User',
        },
      })

      expect(response.statusCode).toBe(409)
    })

    it('rejects invalid email', async () => {
      const response = await app.inject({
        method: 'POST',
        url: '/v1/auth/register',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'not-an-email',
          password: 'password123',
          firstName: 'Bad',
          lastName: 'Email',
        },
      })

      expect(response.statusCode).toBe(400)
    })

    it('rejects short password', async () => {
      const response = await app.inject({
        method: 'POST',
        url: '/v1/auth/register',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'short@test.com',
          password: '123',
          firstName: 'Short',
          lastName: 'Pass',
        },
      })

      expect(response.statusCode).toBe(400)
    })
  })

  describe('POST /v1/auth/login', () => {
    beforeEach(async () => {
      await app.inject({
        method: 'POST',
        url: '/v1/auth/register',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'login@test.com',
          password: 'correctpassword',
          firstName: 'Login',
          lastName: 'User',
        },
      })
    })

    it('returns token with valid credentials', async () => {
      const response = await app.inject({
        method: 'POST',
        url: '/v1/auth/login',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'login@test.com',
          password: 'correctpassword',
        },
      })

      expect(response.statusCode).toBe(200)
      const body = response.json()
      expect(body.token).toBeDefined()
      expect(body.user.email).toBe('login@test.com')
    })

    it('rejects wrong password', async () => {
      const response = await app.inject({
        method: 'POST',
        url: '/v1/auth/login',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'login@test.com',
          password: 'wrongpassword',
        },
      })

      expect(response.statusCode).toBe(401)
    })

    it('rejects nonexistent email', async () => {
      const response = await app.inject({
        method: 'POST',
        url: '/v1/auth/login',
        headers: { 'x-company-id': TEST_COMPANY_ID },
        payload: {
          email: 'nobody@test.com',
          password: 'whatever',
        },
      })

      expect(response.statusCode).toBe(401)
    })
  })
})