import assert from 'node:assert/strict';
import test from 'node:test';
import { createPortalAuthSessionHelpers } from './portal-auth-session-helpers.mjs';

function createRequest(cookie = '', overrides = {}) {
  return {
    headers: {},
    hostname: 'm.example.com',
    protocol: 'https',
    get(name) {
      if (String(name).toLowerCase() === 'cookie') return cookie;
      if (String(name).toLowerCase() === 'host') {
        return this.headers.host ?? this.hostname;
      }
      return this.headers[String(name).toLowerCase()];
    },
    ...overrides,
  };
}

function createResponse() {
  return {
    headers: {},
    set(name, value) {
      this.headers[name] = value;
      return this;
    },
  };
}

test('auth session helpers parse legacy and user cookies', () => {
  const helpers = createPortalAuthSessionHelpers({
    isSecureRequest: () => false,
  });
  const req = createRequest(
    'tkmind_h5_session=legacy-token; tkmind_user_session=user-token',
  );
  assert.equal(helpers.legacySessionToken(req), 'legacy-token');
  assert.equal(helpers.userToken(req), 'user-token');
});

test('auth session helpers set and clear user login cookies', () => {
  const helpers = createPortalAuthSessionHelpers({
    isSecureRequest: () => true,
    getLegacyAuth: () => ({}),
  });
  const req = createRequest('', {
    headers: { host: 'm.tkmind.cn' },
  });
  const loginRes = createResponse();
  helpers.setUserLoginCookies(loginRes, req, 'user-token');
  const loginCookies = loginRes.headers['Set-Cookie'];
  assert.ok(Array.isArray(loginCookies));
  assert.ok(
    loginCookies.some((cookie) =>
      cookie.includes('tkmind_user_session=user-token'),
    ),
  );
  assert.ok(
    loginCookies.every((cookie) => cookie.includes('Secure')),
  );

  const logoutRes = createResponse();
  helpers.clearUserLoginCookies(logoutRes, req);
  const logoutCookies = logoutRes.headers['Set-Cookie'];
  assert.ok(
    logoutCookies.some((cookie) =>
      cookie.includes('tkmind_user_session='),
    ),
  );
  assert.ok(
    logoutCookies.some((cookie) =>
      cookie.includes('tkmind_h5_session='),
    ),
  );
});

test('attachUserSession verifies the user token and populates request state', async () => {
  const calls = [];
  const helpers = createPortalAuthSessionHelpers({
    isSecureRequest: () => false,
    getUserAuth: () => ({
      async verify(token) {
        calls.push(token);
        return { userId: 'user-1' };
      },
    }),
  });
  const req = createRequest(
    'tkmind_user_session=user-token',
  );
  let nextCalls = 0;
  await helpers.attachUserSession(req, {}, () => {
    nextCalls += 1;
  });
  assert.deepEqual(calls, ['user-token']);
  assert.deepEqual(req.userSession, { userId: 'user-1' });
  assert.equal(req.userSessionError, null);
  assert.equal(nextCalls, 1);
});

test('attachUserSession records verification failure and always continues', async () => {
  const logs = [];
  const failure = new Error('database unavailable');
  const helpers = createPortalAuthSessionHelpers({
    isSecureRequest: () => false,
    getUserAuth: () => ({
      async verify() {
        throw failure;
      },
    }),
    logger: {
      error(...args) {
        logs.push(args);
      },
    },
  });
  const req = createRequest(
    'tkmind_user_session=user-token',
  );
  let nextCalls = 0;
  await helpers.attachUserSession(req, {}, () => {
    nextCalls += 1;
  });
  assert.equal(req.userSession, null);
  assert.equal(req.userSessionError, failure);
  assert.equal(nextCalls, 1);
  assert.deepEqual(logs[0], [
    '[Auth] session verify failed:',
    'database unavailable',
  ]);

  const noAuthHelpers = createPortalAuthSessionHelpers({
    isSecureRequest: () => false,
  });
  const noAuthReq = createRequest();
  await noAuthHelpers.attachUserSession(noAuthReq, {}, () => {
    nextCalls += 1;
  });
  assert.equal(nextCalls, 2);
  assert.equal(noAuthReq.userToken, undefined);
});