require 'test/unit'

module TestCentricity
  class ScreenObject
    include Test::Unit::Assertions

    attr_reader :locator

    def initialize
      raise "Screen object #{self.class.name} does not have a page_name trait defined" unless defined?(page_name)
      @locator = page_locator if defined?(page_locator)
    end

    def self.trait(trait_name, &block)
      define_method(trait_name.to_s, &block)
    end

    def self.element(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppUIElement.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.elements(element_hash)
      element_hash.each do |element_name, locator|
        element(element_name, locator)
      end
    end

    def self.button(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppButton.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.buttons(element_hash)
      element_hash.each do |element_name, locator|
        button(element_name, locator)
      end
    end

    def self.textfield(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppTextField.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.textfields(element_hash)
      element_hash.each do |element_name, locator|
        textfield(element_name, locator)
      end
    end

    def self.switch(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppSwitch.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.switches(element_hash)
      element_hash.each do |element_name, locator|
        switch(element_name, locator)
      end
    end

    def self.checkbox(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppCheckBox.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.checkboxes(element_hash)
      element_hash.each do |element_name, locator|
        checkbox(element_name, locator)
      end
    end

    def self.label(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppLabel.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.labels(element_hash)
      element_hash.each do |element_name, locator|
        label(element_name, locator)
      end
    end

    def self.list(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppList.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.lists(element_hash)
      element_hash.each do |element_name, locator|
        list(element_name, locator)
      end
    end

    def self.image(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppImage.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.images(element_hash)
      element_hash.each do |element_name, locator|
        image(element_name, locator)
      end
    end

    def self.alert(element_name, locator)
      class_eval(%(def #{element_name};@#{element_name} ||= TestCentricity::AppAlert.new("#{element_name}", self, #{locator}, :page);end))
    end

    def self.section(section_name, class_name)
      class_eval(%(def #{section_name};@#{section_name} ||= #{class_name}.new("#{section_name}", self, :page);end))
    end

    def self.sections(section_hash)
      section_hash.each do |section_name, class_name|
        section(section_name, class_name)
      end
    end


    def open_portal
      environment = Environ.current

      Environ.portal_state = :open
    end

    def verify_page_exists
      wait = Selenium::WebDriver::Wait.new(timeout: Environ.default_max_wait_time)
      wait.until { exists? }
      PageManager.current_page = self
    rescue
      raise "Could not find page_locator for screen object '#{self.class.name}' (#{@locator}) after #{Environ.default_max_wait_time} seconds"
    end

    def exists?
      @locator.is_a?(Array) ? tries ||= 2 : tries ||= 1
      if @locator.is_a?(Array)
        loc = @locator[tries - 1]
        find_element(loc.keys[0], loc.values[0])
      else
        find_element(@locator.keys[0], @locator.values[0])
      end
      true
    rescue
      retry if (tries -= 1) > 0
      false
    end

    def wait_until_gone(seconds = nil)
      timeout = seconds.nil? ? Environ.default_max_wait_time : seconds
      wait = Selenium::WebDriver::Wait.new(timeout: timeout)
      wait.until { !exists? }
    rescue
      raise "Screen object #{self.class.name} remained visible after #{timeout} seconds" if exists?
    end

    def navigate_to; end

    def verify_page_ui; end

    def load_page
      navigate_to unless exists?
      verify_page_exists
      PageManager.current_page = self
    end



    def verify_ui_states(ui_states)
      ui_states.each do |ui_object, object_states|
        object_states.each do |property, state|

          puts "#{ui_object.get_name} - #{property} = #{state}" if ENV['DEBUG']

          case property
          when :exists
            actual = ui_object.exists?
          when :enabled
            actual = ui_object.enabled?
          when :disabled
            actual = ui_object.disabled?
          when :visible
            actual = ui_object.visible?
          when :hidden
            actual = ui_object.hidden?
          when :checked
            actual = ui_object.checked?
          when :selected
            actual = ui_object.selected?
          when :value
            actual = ui_object.get_value
          when :caption
            actual = ui_object.get_caption
          when :name
            actual = ui_object.tag_name
          when :placeholder
            actual = ui_object.get_placeholder
          when :readonly
            actual = ui_object.read_only?
          when :maxlength
            actual = ui_object.get_max_length
          when :items
            actual = ui_object.get_list_items
          when :itemcount
            actual = ui_object.get_item_count
          when :width
            actual = ui_object.width
          when :height
            actual = ui_object.height
          when :x
            actual = ui_object.x_loc
          when :y
            actual = ui_object.y_loc
          end

          if state.is_a?(Hash) && state.length == 1
            error_msg = "Expected UI object '#{ui_object.get_name}' (#{ui_object.get_locator}) #{property} property to"
            state.each do |key, value|
              case key
              when :lt, :less_than
                ExceptionQueue.enqueue_exception("#{error_msg} be less than #{value} but found '#{actual}'") unless actual < value
              when :lt_eq, :less_than_or_equal
                ExceptionQueue.enqueue_exception("#{error_msg} be less than or equal to #{value} but found '#{actual}'") unless actual <= value
              when :gt, :greater_than
                ExceptionQueue.enqueue_exception("#{error_msg} be greater than #{value} but found '#{actual}'") unless actual > value
              when :gt_eq, :greater_than_or_equal
                ExceptionQueue.enqueue_exception("#{error_msg} be greater than or equal to  #{value} but found '#{actual}'") unless actual >= value
              when :starts_with
                ExceptionQueue.enqueue_exception("#{error_msg} start with '#{value}' but found '#{actual}'") unless actual.start_with?(value)
              when :ends_with
                ExceptionQueue.enqueue_exception("#{error_msg} end with '#{value}' but found '#{actual}'") unless actual.end_with?(value)
              when :contains
                ExceptionQueue.enqueue_exception("#{error_msg} contain '#{value}' but found '#{actual}'") unless actual.include?(value)
              when :not_contains, :does_not_contain
                ExceptionQueue.enqueue_exception("#{error_msg} not contain '#{value}' but found '#{actual}'") if actual.include?(value)
              when :not_equal
                ExceptionQueue.enqueue_exception("#{error_msg} not equal '#{value}' but found '#{actual}'") if actual == value
              when :like, :is_like
                actual_like = actual.delete("\n")
                actual_like = actual_like.delete("\r")
                actual_like = actual_like.delete("\t")
                actual_like = actual_like.delete(' ')
                actual_like = actual_like.downcase
                expected    = value.delete("\n")
                expected    = expected.delete("\r")
                expected    = expected.delete("\t")
                expected    = expected.delete(' ')
                expected    = expected.downcase
                ExceptionQueue.enqueue_exception("#{error_msg} be like '#{value}' but found '#{actual}'") unless actual_like.include?(expected)
              when :translate
                expected = I18n.t(value)
                ExceptionQueue.enqueue_assert_equal(expected, actual, "Expected UI object '#{ui_object.get_name}' (#{ui_object.get_locator}) translated #{property} property")
              end
            end
          else
            ExceptionQueue.enqueue_assert_equal(state, actual, "Expected UI object '#{ui_object.get_name}' (#{ui_object.get_locator}) #{property} property")
          end
        end
      end
      ExceptionQueue.post_exceptions
    end

    def populate_data_fields(data, wait_time = nil)
      timeout = wait_time.nil? ? 5 : wait_time
      data.each do |data_field, data_param|
        unless data_param.blank?
          # make sure the intended UI target element is visible before trying to set its value
          data_field.wait_until_visible(timeout)
          if data_param == '!DELETE'
            data_field.clear
          else
            case data_field.get_object_type
            when :checkbox
              data_field.set_checkbox_state(data_param.to_bool)
            when :textfield
              data_field.set("#{data_param}\t")
            end
          end
        end
      end
    end
  end
end