import assert from 'node:assert/strict';
import { after, before, describe, it } from 'node:test';
import { prisma } from '../src/lib/prisma.js';
import {
  assertNoSecrets,
  authHeader,
  createTestApp,
  isDatabaseAvailable,
  requestJson,
} from './helpers.js';

const app = createTestApp();
const createdUserIds: bigint[] = [];

describe('profile API', () => {
  let dbAvailable = false;

  before(async () => {
    dbAvailable = await isDatabaseAvailable();
  });

  after(async () => {
    if (dbAvailable && createdUserIds.length > 0) {
      await prisma.user.deleteMany({ where: { id: { in: createdUserIds } } });
    }
  });

  async function createAuthenticatedUser() {
    const email = `profile-${Date.now()}-${Math.random().toString(16).slice(2)}@example.com`;
    const registered = await requestJson(app, '/auth/register', {
      method: 'POST',
      body: JSON.stringify({ email, password: 'password12' }),
    });
    const id = (registered.body.data?.user as { id: string }).id;
    const user = await prisma.user.findUnique({ where: { externalId: id } });
    if (user) {
      createdUserIds.push(user.id);
    }

    return {
      token: registered.body.data?.sessionToken as string,
      id,
    };
  }

  it('rejects unauthenticated profile access', async () => {
    const missing = await requestJson(app, '/users/me');
    assert.equal(missing.status, 401);
  });

  it('lets an authenticated user read and update their own profile', async (t) => {
    if (!dbAvailable) {
      t.skip('MySQL is not running');
      return;
    }

    const { token } = await createAuthenticatedUser();

    const before = await requestJson(app, '/users/me', { headers: authHeader(token) });
    assert.equal(before.status, 200);
    assert.equal((before.body.data as { profile: unknown }).profile, null);
    assert.equal((before.body.data as { profileComplete: boolean }).profileComplete, false);

    const updated = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: '  علی رضایی  ', age: 29 }),
    });

    assert.equal(updated.status, 200);
    assert.equal((updated.body.data as { profileComplete: boolean }).profileComplete, true);
    assert.equal((updated.body.data as { profile: { name: string; age: number } }).profile.name, 'علی رضایی');
    assert.equal((updated.body.data as { profile: { name: string; age: number } }).profile.age, 29);
    assertNoSecrets(updated.raw);
  });

  it('validates name and requires an integer age', async (t) => {
    if (!dbAvailable) {
      t.skip('MySQL is not running');
      return;
    }

    const { token } = await createAuthenticatedUser();

    const emptyName = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: '   ', age: 20 }),
    });
    assert.equal(emptyName.status, 422);

    const decimalAge = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: 'Sara', age: 17.5 }),
    });
    assert.equal(decimalAge.status, 422);

    const stringAge = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: 'Sara', age: '17' }),
    });
    assert.equal(stringAge.status, 422);

    const underage = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: 'Sara', age: 11 }),
    });
    assert.equal(underage.status, 422);

    const teenOk = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: 'Sara', age: 12 }),
    });
    assert.equal(teenOk.status, 200);

    const seniorOk = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: 'Sara', age: 101 }),
    });
    assert.equal(seniorOk.status, 200);
  });

  it('does not expose a userId parameter for modifying another user', async (t) => {
    if (!dbAvailable) {
      t.skip('MySQL is not running');
      return;
    }

    const first = await createAuthenticatedUser();
    const second = await createAuthenticatedUser();

    const missing = await requestJson(app, `/users/${second.id}/profile`, {
      method: 'PATCH',
      headers: authHeader(first.token),
      body: JSON.stringify({ name: 'Hacker', age: 40 }),
    });
    assert.equal(missing.status, 404);

    const other = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(first.token),
      body: JSON.stringify({ name: 'Only Me', age: 22 }),
    });
    assert.equal(other.status, 200);

    const secondRead = await requestJson(app, '/users/me', { headers: authHeader(second.token) });
    assert.equal((secondRead.body.data as { profile: unknown }).profile, null);
  });

  it('requires both name and age when creating a profile', async (t) => {
    if (!dbAvailable) {
      t.skip('MySQL is not running');
      return;
    }

    const { token } = await createAuthenticatedUser();
    const partial = await requestJson(app, '/users/me/profile', {
      method: 'PATCH',
      headers: authHeader(token),
      body: JSON.stringify({ name: 'Only Name' }),
    });
    assert.equal(partial.status, 422);
  });
});