require 'rspec'
require 'calabash-cucumber'

# Common assertions used while working with Calabash-Cucumber
module Assertions
  WAIT_TIMEOUT =(ENV['WAIT_TIMEOUT'] || 30).to_f
  extend Calabash::Cucumber::Operations


  # Verifies if a view exists
  def Assertions.view_exists? (view_id)
    !query("view marked:'#{view_id}'").empty?
  end


  # Waits for a view to exists on the page
  def Assertions.wait_for_view_to_exist (view_id, timeout=WAIT_TIMEOUT)
    msg = "waited for '#{timeout}' seconds but did not see '#{view_id}'"
    wait_for(:timeout => timeout,
             :retry_frequency => 0.2,
             :post_timeout => 0.1,
             :timeout_message => msg) do
      view_exists? view_id
    end
  end

  # Waits for a view to exists on the page
  def Assertions.wait_for_view_does_not_exist (view_id, timeout=WAIT_TIMEOUT)
    msg = "waited for '#{timeout}' seconds but did not see '#{view_id}'"
    wait_for_element_does_not_exists(:timeout => timeout,
             :retry_frequency => 0.2,
             :post_timeout => 0.1,
             :timeout_message => msg) do
      view_exists? view_id
    end
  end

  # Waits for the page to load
  def Assertions.wait_for_the_page_to_load(text, timeout=WAIT_TIMEOUT)
    wait_for(:timeout => timeout) {element_exists("view marked:'#{text}'")}
  end

  # Waits for the element that contains a specific text
  def Assertions.wait_for_element_contains_text(text, timeout=WAIT_TIMEOUT)
    wait_for(:timeout => timeout) {element_exists("label {text CONTAINS '#{text}'")}
  end

  # Waits for the element that begins with a specific text
  def Assertions.wait_for_element_beginswith_text(text, timeout=WAIT_TIMEOUT)
    wait_for(:timeout => timeout) {element_exists("label {text BEGINSWITH '#{text}'")}
  end

  # Waits for the element that ends with a specific text
  def Assertions.wait_for_element_endswith_text(text, timeout=WAIT_TIMEOUT)
    wait_for(:timeout => timeout) {element_exists("label {text ENDSWITH '#{text}'")}
  end

  # Waits for a specific text to load on the page
  def Assertions.wait_for_specific_text_to_load(text, timeout=WAIT_TIMEOUT)
    wait_for(:timeout => timeout) {element_exists("* marked:'#{text}'")}
  end

end