require 'test_helper'

class AccountTest < BrowserIntegrationTest

  setup do
    Capybara.current_driver = Capybara.javascript_driver
  end

  teardown do
    Identity.destroy_all_disabled
  end

  test "normal account workflow" do
    username, password = submit_signup
    assert page.has_content?("Welcome #{username}")
    click_on 'Logout'
    assert page.has_content?("Sign Up")
    assert_equal '/', current_path
    assert user = User.find_by_login(username)
    user.account.destroy
  end

  test "successful login" do
    username, password = submit_signup
    click_on 'Logout'
    attempt_login(username, password)
    assert page.has_content?("Welcome #{username}")
    User.find_by_login(username).account.destroy
  end

  test "failed login" do
    visit '/'
    attempt_login("username", "wrong password")
    assert_invalid_login(page)
  end

  test "account destruction" do
    username, password = submit_signup
    click_on I18n.t('account_settings')
    click_on I18n.t('destroy_my_account')
    assert page.has_content?(I18n.t('account_destroyed'))
    attempt_login(username, password)
    assert_invalid_login(page)
  end

  test "handle blocked after account destruction" do
    username, password = submit_signup
    click_on I18n.t('account_settings')
    click_on I18n.t('destroy_my_account')
    submit_signup(username)
    assert page.has_content?('has already been taken')
  end

  test "change password" do
    username, password = submit_signup
    click_on "Account Settings"
    within('#update_login_and_password') do
      fill_in 'Password', with: "other password"
      fill_in 'Password confirmation', with: "other password"
      click_on 'Save'
    end
    click_on 'Logout'
    attempt_login(username, "other password")
    assert page.has_content?("Welcome #{username}")
    User.find_by_login(username).account.destroy
  end

  test "change pgp key" do
    pgp_key = FactoryGirl.build :pgp_key
    username, password = submit_signup
    click_on "Account Settings"
    within('#update_pgp_key') do
      fill_in 'Public key', with: pgp_key
      click_on 'Save'
    end
    page.assert_selector 'input[value="Saving..."]'
    # at some point we're done:
    page.assert_no_selector 'input[value="Saving..."]'
    assert page.has_field? 'Public key', with: pgp_key.to_s
    user = User.find_by_login(username)
    assert_equal pgp_key, user.public_key
    user.account.destroy
  end


  # trying to seed an invalid A for srp login
  test "detects attempt to circumvent SRP" do
    user = FactoryGirl.create :user
    visit '/login'
    fill_in 'Username', with: user.login
    fill_in 'Password', with: "password"
    inject_malicious_js
    click_on 'Log In'
    assert page.has_content?("Invalid random key")
    assert page.has_no_content?("Welcome")
    user.destroy
  end

  test "reports internal server errors" do
    V1::UsersController.any_instance.stubs(:create).raises
    submit_signup
    assert page.has_content?("server failed")
  end

  def attempt_login(username, password)
    click_on 'Log In'
    fill_in 'Username', with: username
    fill_in 'Password', with: password
    click_on 'Log In'
  end

  def assert_invalid_login(page)
    assert page.has_selector? 'input.btn-primary.disabled'
    assert page.has_content? I18n.t(:invalid_user_pass)
    assert page.has_no_selector? 'input.btn-primary.disabled'
  end

  def inject_malicious_js
    page.execute_script <<-EOJS
      var calc = new srp.Calculate();
      calc.A = function(_a) {return "00";};
      calc.S = calc.A;
      srp.session = new srp.Session(null, calc);
    EOJS
  end
end