import { beforeEach, describe, expect, it } from 'vitest';
import { newClient } from '../helpers/api';
import { resetDatabase } from '../helpers/database';
import { createUser, TEST_PASSWORD } from '../helpers/factories';

beforeEach(resetDatabase);

describe('register', () => {
  it('creates a user and starts a session', async () => {
    const client = newClient();
    const res = await client.register(
      'new-user@test.dev',
      'New User',
      'verysecret1'
    );
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(body.success).toBe(true);
    expect(body.user.id).toBeTypeOf('number');

    // The register response already carries a session cookie.
    const profile = await client.get('/api/auth/profile');
    expect(profile.status).toBe(200);
    expect(await profile.json()).toMatchObject({
      name: 'New User',
      email: 'new-user@test.dev',
      uploadedFiles: []
    });
  });

  it('rejects invalid input with 400', async () => {
    const client = newClient();
    // password too short
    expect(
      (await client.register('short@test.dev', 'Short', 'short')).status
    ).toBe(400);
    // invalid email
    expect(
      (await client.register('not-an-email', 'NoMail', 'longenough1')).status
    ).toBe(400);
    // empty name
    expect(
      (await client.register('empty@test.dev', '', 'longenough1')).status
    ).toBe(400);
  });

  it('rejects duplicate email with 409', async () => {
    await createUser({ email: 'dupe@test.dev' });
    const client = newClient();
    const res = await client.register('dupe@test.dev', 'Dupe', 'verysecret1');
    expect(res.status).toBe(409);
  });
});

describe('login', () => {
  it('logs in with correct credentials', async () => {
    const user = await createUser({ email: 'login@test.dev' });
    const client = newClient();
    const res = await client.login('login@test.dev', TEST_PASSWORD);
    expect(res.status).toBe(200);
    expect(await res.json()).toEqual({
      success: true,
      user: { id: user.id }
    });

    const profile = await client.get('/api/auth/profile');
    expect(profile.status).toBe(200);
  });

  it('rejects wrong password and unknown email with 404', async () => {
    await createUser({ email: 'known@test.dev' });
    const client = newClient();
    expect(
      (await client.login('known@test.dev', 'wrong-password-1')).status
    ).toBe(404);
    expect((await client.login('unknown@test.dev', TEST_PASSWORD)).status).toBe(
      404
    );
  });
});

describe('profile', () => {
  it('requires a session', async () => {
    const res = await newClient().get('/api/auth/profile');
    expect(res.status).toBe(401);
  });

  it('updates name and email', async () => {
    await createUser({ email: 'update-me@test.dev' });
    const client = newClient();
    await client.login('update-me@test.dev', TEST_PASSWORD);

    const res = await client.post('/api/auth/profile', {
      name: 'Updated Name',
      email: 'updated@test.dev'
    });
    expect(res.status).toBe(200);
    expect(await res.json()).toEqual({ ok: true });

    const profile = await client.get('/api/auth/profile');
    expect(await profile.json()).toMatchObject({
      name: 'Updated Name',
      email: 'updated@test.dev'
    });

    // login works with the new email afterwards
    expect(
      (await newClient().login('updated@test.dev', TEST_PASSWORD)).status
    ).toBe(200);
  });

  it('rejects taking an existing email with 409', async () => {
    await createUser({ email: 'first@test.dev' });
    await createUser({ email: 'second@test.dev' });
    const client = newClient();
    await client.login('first@test.dev', TEST_PASSWORD);

    const res = await client.post('/api/auth/profile', {
      name: 'First User',
      email: 'second@test.dev'
    });
    expect(res.status).toBe(409);
  });
});