include ApplicationHelper

# add a hover_intent method to element, so that you can do find(selector).hover_intent
module Capybara
  module Node
    class Element

      def attempt_hover
        begin
          hover
        rescue => e
        end
      end
      def hover_intent
        hover
        sleep 0.3
        attempt_hover
        sleep 0.3
        attempt_hover
      end
    end
  end
end



# holds a single test's session name's, mapped to pooled session names
$capybara_session_mapper = {}

# called in before (or after) test, to make sure each test run has it's own map of session names
def reset_session_mapper
  $capybara_session_mapper.clear

  Capybara.session_name = :default
end

# manages the mapped session name
def mapped_session_name(session_name)
  return :default if session_name == :default # special treatment for the built-in session
  $capybara_session_mapper[session_name] ||= 'session_' + $capybara_session_mapper.length.to_s
end

# in place of ever using Capybara.session_name directly,
# this utility is used to handle the mapping of session names in a way across all tests runs
def in_client(name)
  session_name = name.class == JamRuby::User ? name.id : name

  Capybara.session_name = mapped_session_name(session_name)

  yield
end


def cookie_jar
  Capybara.current_session.driver.browser.current_session.instance_variable_get(:@rack_mock_session).cookie_jar
end


#see also ruby/spec/support/utilities.rb
JAMKAZAM_TESTING_BUCKET = 'jamkazam-testing' #at least, this is the name given in jam-ruby
def wipe_s3_test_bucket
  s3 = AWS::S3.new(:access_key_id => Rails.application.config.aws_access_key_id,
                   :secret_access_key => Rails.application.config.aws_secret_access_key)
  test_bucket = s3.buckets[JAMKAZAM_TESTING_BUCKET]
  if test_bucket.name == JAMKAZAM_TESTING_BUCKET
    test_bucket.objects.each do |obj|
      obj.delete
    end
  end
end


def sign_in(user)
  visit signin_path
  fill_in "Email",    with: user.email
  fill_in "Password", with: user.password
  click_button "SIGN IN"
  # Sign in when not using Capybara as well.
  cookie_jar[:remember_token] = user.remember_token
end

def set_cookie(k, v)
  case Capybara.current_session.driver
    when Capybara::Poltergeist::Driver
      page.driver.set_cookie(k,v)
    when Capybara::RackTest::Driver
      headers = {}
      Rack::Utils.set_cookie_header!(headers,k,v)
      cookie_string = headers['Set-Cookie']
      Capybara.current_session.driver.browser.set_cookie(cookie_string)
    when Capybara::Selenium::Driver
      page.driver.browser.manage.add_cookie(:name=>k, :value=>v)
    else
      raise "no cookie-setter implemented for driver #{Capybara.current_session.driver.class.name}"
  end
end

def sign_in_poltergeist(user, options = {})
  validate = options[:validate]
  validate = true if validate.nil?

  visit signin_path
  fill_in "Email Address:",    with: user.email
  fill_in "Password:", with: user.password
  click_button "SIGN IN"

  wait_until_curtain_gone

  # presence of this means websocket gateway is not working
  page.should have_no_selector('.no-websocket-connection') if validate
end


def sign_out()
  if Capybara.javascript_driver == :poltergeist
    page.driver.remove_cookie(:remember_token)
  else
    page.driver.browser.manage.remove_cookie :name => :remember_token
  end
end

def sign_out_poltergeist(options = {})
  find('.userinfo').hover()
  click_link 'Sign Out'
  should_be_at_root if options[:validate]
end

def should_be_at_root
  find('h1', text: 'Play music together over the Internet as if in the same room')
end

def leave_music_session_sleep_delay
  # add a buffer to ensure WSG has enough time to expire
  sleep_dur = (Rails.application.config.websocket_gateway_connect_time_stale_browser +
      Rails.application.config.websocket_gateway_connect_time_expire_browser) * 1.4
  sleep sleep_dur
end


def wait_for_ajax(wait=Capybara.default_wait_time)
  wait = wait * 10 #(because we sleep .1)

  counter = 0
  while page.execute_script("$.active").to_i > 0
    counter += 1
    sleep(0.1)
    raise "AJAX request took longer than #{wait} seconds." if counter >= wait
  end
end

# waits until the user object has been requested, which comes after the 'curtain' is lifted
# and after a call to /api/user/:id for the current user is called initially
def wait_until_user(wait=Capybara.default_wait_time)
  wait = wait * 10 #(because we sleep .1)

  counter = 0
  # while page.execute_script("$('.curtain').is(:visible)") == "true"
  #   counter += 1
  #   sleep(0.1)
  #   raise "Waiting for user to populate took longer than #{wait} seconds." if counter >= wait
  # end
end

def wait_until_curtain_gone
  page.should have_no_selector('.curtain')
end

def wait_to_see_my_track
  within('div.session-mytracks') {first('div.session-track.track')}
end

def repeat_for(duration=Capybara.default_wait_time)
  finish_time = Time.now + duration.seconds
  loop do
    yield
    sleep 1 # by default this will execute the block every 1 second
    break if (Time.now > finish_time)
  end
end

def determine_test_name(metadata, test_name_buffer = '')
  description = metadata[:description_args]
  if description.kind_of?(Array)
    description = description[0]
  end
  if metadata.has_key? :example_group
    return determine_test_name(metadata[:example_group], "#{description} #{test_name_buffer}")
  else
    return "#{description} #{test_name_buffer}"
  end
end

def get_description
  description = example.metadata[:description_args]
  if description.kind_of?(Array)
    description = description[0]
  end
  return description
end

# will select the value from a easydropdown'ed select element
def jk_select(text, select)

  # the approach here is to find the hidden select element, and work way back up to the elements that need to be interacted with
  find(select, :visible => false).find(:xpath, 'ancestor::div[contains(@class, "dropdown easydropdown")]').trigger(:click)
  find(select, :visible => false).find(:xpath, 'ancestor::div[contains(@class, "dropdown-wrapper") and contains(@class, "easydropdown-wrapper") and contains(@class, "open")]').find('li', text: text).trigger(:click)

  # works, but is 'cheating' because of visible = false
  #select(genre, :from => 'genres', :visible => false)
end

# takes, or creates, a unique session description which is returned for subsequent calls to join_session to use
# in finding this session)
def create_session(options={})
  creator = options[:creator] || FactoryGirl.create(:user)
  unique_session_desc = options[:description] || "create_join_session #{SecureRandom.urlsafe_base64}"
  genre = options[:genre] || 'Rock'
  musician_access = options[:musician_access].nil? ? true : options[:musician_access]
  fan_access = options[:fan_access].nil? ? true : options[:fan_access]

  # create session in one client
  in_client(creator) do
    page.driver.resize(1500, 800) # makes sure all the elements are visible
    emulate_client
    sign_in_poltergeist creator
    wait_until_curtain_gone
    visit "/client#/createSession"
    expect(page).to have_selector('h2',    text: 'session info')

    within('#create-session-form') do
      fill_in('description', :with => unique_session_desc)
      #select(genre, :from => 'genres', :visible => false) # this works, but is 'cheating' because easydropdown hides the native select element
      jk_select(genre, '#create-session-form select[name="genres"]')

      jk_select(musician_access ? 'Public' : 'Private', '#create-session-form select#musician-access')
      jk_select(fan_access ? 'Public' : 'Private', '#create-session-form select#fan-access')
      find('#create-session-form div.musician-access-false.iradio_minimal').trigger(:click)
      find('div.intellectual-property ins').trigger(:click)
      find('#btn-create-session').trigger(:click)     # fails if page width is low
    end

    # verify that the in-session page is showing
    expect(page).to have_selector('h2',    text: 'my tracks')
    find('#session-screen .session-mytracks .session-track')
  end

  return creator, unique_session_desc, genre

end

# this code assumes that there are no music sessions in the database. it should fail on the
# find('.join-link') call if > 1 session exists because capybara will complain of multiple matches
def join_session(joiner, options)
  description = options[:description]

  in_client(joiner) do
    page.driver.resize(1500, 800) # makes sure all the elements are visible
    emulate_client
    sign_in_poltergeist joiner
    wait_until_curtain_gone
    visit "/client#/findSession"

    # verify the session description is seen by second client
    expect(page).to have_text(description)
    find('.join-link').trigger(:click)
    find('#btn-accept-terms').trigger(:click)
    expect(page).to have_selector('h2',    text: 'my tracks')
    find('#session-screen .session-mytracks .session-track')
  end
end



def emulate_client
  page.driver.headers = { 'User-Agent' => ' JamKazam ' }
end

def create_join_session(creator, joiners=[], options={})
  options[:creator] = creator
  creator, unique_session_desc = create_session(options)

  # find session in second client
  joiners.each do |joiner|
    join_session(joiner, description: unique_session_desc)
  end

  return creator, unique_session_desc
end

def formal_leave_by user
  in_client(user) do
    find('#session-leave').trigger(:click)
    #find('#btn-accept-leave-session').trigger(:click)
    expect(page).to have_selector('h2',    text: 'feed')
  end
end

def start_recording_with(creator, joiners=[], genre=nil)
  create_join_session(creator, joiners, {genre: genre})
  in_client(creator) do
    find('#recording-start-stop').trigger(:click)
    find('#recording-status').should have_content 'Stop Recording'
  end
  joiners.each do |joiner|
    in_client(joiner) do
      find('#notification').should have_content 'started a recording'
      find('#recording-status').should have_content 'Stop Recording'
    end
  end
end

def stop_recording
  find('#recording-start-stop').trigger(:click)
end

def assert_recording_finished
  find('#recording-status').should have_content 'Make a Recording'
  should have_selector('h1', text: 'recording finished')
end

def check_recording_finished_for(users=[])
  users.each do |user|
    in_client(user) do
      assert_recording_finished
    end
  end
end

def claim_recording(name, description)
  find('#recording-finished-dialog h1')
  fill_in "claim-recording-name",    with: name
  fill_in "claim-recording-description",    with: description
  find('#keep-session-recording').trigger(:click)
  page.should have_no_selector('h1',  text: 'recording finished')
end

def set_session_as_private()
  find('#session-settings-button').trigger(:click)
  within('#session-settings-dialog') do
    jk_select("Private", '#session-settings-dialog #session-settings-musician-access')
    #select('Private', :from => 'session-settings-musician-access')
    find('#session-settings-dialog-submit').trigger(:click)
  end
  # verify it's dismissed
  page.should have_no_selector('h1', text: 'update session settings')
end

def set_session_as_public()
  find('#session-settings-button').trigger(:click)
  within('#session-settings-dialog') do
    jk_select("Public", '#session-settings-dialog #session-settings-musician-access')
    # select('Public', :from => 'session-settings-musician-access')
    find('#session-settings-dialog-submit').trigger(:click)
  end
  # verify it's dismissed
  page.should have_no_selector('h1', text: 'update session settings')
end

def get_options(selector)
  find(selector, :visible => false).all('option', :visible => false).collect(&:text).uniq
end

def selected_genres(selector='#session-settings-genre')
  page.evaluate_script("JK.GenreSelectorHelper.getSelectedGenres('#{selector}')")
end

def random_genre
  ['African',
   'Ambient',
   'Asian',
   'Blues',
   'Classical',
   'Country',
   'Electronic',
   'Folk',
   'Hip Hop',
   'Jazz',
   'Latin',
   'Metal',
   'Pop',
   'R&B',
   'Reggae',
   'Religious',
   'Rock',
   'Ska',
   'Other'].sample
end

def change_session_genre   #randomly just change it
  here = 'select.genre-list'
  #wait_for_ajax
  find('#session-settings-button').trigger(:click)
  find('#session-settings-dialog') # ensure the dialog is visible
      within('#session-settings-dialog') do
        wait_for_ajax
        @new_genre = get_options(here).-(["Select Genre"]).-(selected_genres).sample.to_s
        jk_select(@new_genre, '#session-settings-dialog select[name="genres"]')
        wait_for_ajax
        find('#session-settings-dialog-submit').trigger(:click)
      end
  return @new_genre
end

def get_session_genre
  here = 'select.genre-list'
  find('#session-settings-button').trigger(:click)
  wait_for_ajax
  @current_genres = selected_genres
  find('#session-settings-dialog-submit').trigger(:click)
  return @current_genres.join(" ")
end

def find_session_contains?(text)
    visit "/client#/findSession"
    wait_for_ajax
    within('#find-session-form') do
      expect(page).to have_text(text)
    end
end

def assert_all_tracks_seen(users=[])
  users.each do |user|
    in_client(user) do
      users.reject {|u| u==user}.each do |other|
        find('div.track-label',  text: other.name)
        #puts user.name + " is able to see " + other.name + "\'s track"
      end
    end
  end
end

def view_profile_of user
  id = user.kind_of?(JamRuby::User) ? user.id : user
  # assume some user signed in already
  visit "/client#/profile/#{id}"
  wait_until_curtain_gone
end

def view_band_profile_of band
  id = band.kind_of?(JamRuby::Band) ? band.id :
      band.kind_of?(JamRuby::BandMusician) ? band.bands.first.id : band
  visit "/client#/bandProfile/#{id}"
  wait_until_curtain_gone
end

def sidebar_search_for string, category
  visit "/client#/home"
  find('#search-input')
  fill_in "search", with: string
  sleep 1
  page.execute_script("JK.Sidebar.searchForInput()")
  wait_for_ajax
  jk_select(category, "search_text_type")
  wait_for_ajax
end

def show_user_menu
  page.execute_script("$('ul.shortcuts').show()")
  #page.execute_script("JK.UserDropdown.menuHoverIn()")
end

# wait for the easydropdown version of the specified select element to become visible
def wait_for_easydropdown(select)
  find(select, :visible => false).find(:xpath, 'ancestor::div[contains(@class, "dropdown easydropdown")]')
end

# defaults to enter key (13)
def send_key(selector, keycode = 13)
  keypress_script = "var e = $.Event('keyup', { keyCode: #{keycode} }); jQuery('#{selector}').trigger(e);"
  page.driver.execute_script(keypress_script)

end

def special_characters
  ["?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}"]
end

def garbage length
  output = ''
  length.times { output << special_characters.sample }
  output.slice(0, length)
end