require "abstract_unit"

class DateHelperDistanceOfTimeInWordsI18nTests < ActiveSupport::TestCase
  include ActionView::Helpers::DateHelper
  attr_reader :request

  def setup
    @from = Time.utc(2004, 6, 6, 21, 45, 0)
  end

  # distance_of_time_in_words

  def test_distance_of_time_in_words_calls_i18n
    { # with include_seconds
      [2.seconds,  { include_seconds: true }]  => [:'less_than_x_seconds', 5],
      [9.seconds,  { include_seconds: true }]  => [:'less_than_x_seconds', 10],
      [19.seconds, { include_seconds: true }]  => [:'less_than_x_seconds', 20],
      [30.seconds, { include_seconds: true }]  => [:'half_a_minute',       nil],
      [59.seconds, { include_seconds: true }]  => [:'less_than_x_minutes', 1],
      [60.seconds, { include_seconds: true }]  => [:'x_minutes',           1],

      # without include_seconds
      [29.seconds,          { include_seconds: false }] => [:'less_than_x_minutes', 1],
      [60.seconds,          { include_seconds: false }] => [:'x_minutes',           1],
      [44.minutes,          { include_seconds: false }] => [:'x_minutes',           44],
      [61.minutes,          { include_seconds: false }] => [:'about_x_hours',       1],
      [24.hours,            { include_seconds: false }] => [:'x_days',              1],
      [30.days,             { include_seconds: false }] => [:'about_x_months',      1],
      [60.days,             { include_seconds: false }] => [:'x_months',            2],
      [1.year,              { include_seconds: false }] => [:'about_x_years',       1],
      [3.years + 6.months,  { include_seconds: false }] => [:'over_x_years',        3],
      [3.years + 10.months, { include_seconds: false }] => [:'almost_x_years',      4]

      }.each do |passed, expected|
      assert_distance_of_time_in_words_translates_key passed, expected
    end
  end

  def test_distance_of_time_in_words_calls_i18n_with_custom_scope
    {
      [30.days, { scope: :'datetime.distance_in_words_ago' }] => [:'about_x_months', 1],
      [60.days, { scope: :'datetime.distance_in_words_ago' }] => [:'x_months',       2],
    }.each do |passed, expected|
      assert_distance_of_time_in_words_translates_key(passed, expected, scope: :'datetime.distance_in_words_ago')
    end
  end

  def test_time_ago_in_words_passes_locale
    assert_called_with(I18n, :t, [:less_than_x_minutes, scope: :'datetime.distance_in_words', count: 1, locale: "ru"]) do
      time_ago_in_words(15.seconds.ago, locale: "ru")
    end
  end

  def test_distance_of_time_pluralizations
    { [:'less_than_x_seconds', 1]   => "less than 1 second",
      [:'less_than_x_seconds', 2]   => "less than 2 seconds",
      [:'less_than_x_minutes', 1]   => "less than a minute",
      [:'less_than_x_minutes', 2]   => "less than 2 minutes",
      [:'x_minutes',           1]   => "1 minute",
      [:'x_minutes',           2]   => "2 minutes",
      [:'about_x_hours',       1]   => "about 1 hour",
      [:'about_x_hours',       2]   => "about 2 hours",
      [:'x_days',              1]   => "1 day",
      [:'x_days',              2]   => "2 days",
      [:'about_x_years',       1]   => "about 1 year",
      [:'about_x_years',       2]   => "about 2 years",
      [:'over_x_years',        1]   => "over 1 year",
      [:'over_x_years',        2]   => "over 2 years"

      }.each do |args, expected|
      key, count = *args
      assert_equal expected, I18n.t(key, count: count, scope: "datetime.distance_in_words")
    end
  end

  def assert_distance_of_time_in_words_translates_key(passed, expected, expected_options = {})
    diff, passed_options = *passed
    key, count = *expected
    to = @from + diff

    options = { locale: "en", scope: :'datetime.distance_in_words' }.merge!(expected_options)
    options[:count] = count if count

    assert_called_with(I18n, :t, [key, options]) do
      distance_of_time_in_words(@from, to, passed_options.merge(locale: "en"))
    end
  end
end

class DateHelperSelectTagsI18nTests < ActiveSupport::TestCase
  include ActionView::Helpers::DateHelper
  attr_reader :request

  # select_month

  def test_select_month_given_use_month_names_option_does_not_translate_monthnames
    assert_not_called(I18n, :translate) do
      select_month(8, locale: "en", use_month_names: Date::MONTHNAMES)
    end
  end

  def test_select_month_translates_monthnames
    assert_called_with(I18n, :translate, [:'date.month_names', locale: "en"], returns: Date::MONTHNAMES) do
      select_month(8, locale: "en")
    end
  end

  def test_select_month_given_use_short_month_option_translates_abbr_monthnames
    assert_called_with(I18n, :translate, [:'date.abbr_month_names', locale: "en"], returns: Date::ABBR_MONTHNAMES) do
      select_month(8, locale: "en", use_short_month: true)
    end
  end

  def test_date_or_time_select_translates_prompts
    prompt_defaults = { year: "Year", month: "Month", day: "Day", hour: "Hour", minute: "Minute", second: "Seconds" }
    defaults = { [:'date.order', locale: "en", default: []] => %w(year month day) }

    prompt_defaults.each do |key, prompt|
      defaults[[("datetime.prompts." + key.to_s).to_sym, locale: "en"]] = prompt
    end

    prompts_check = -> (prompt, x) do
      @prompt_called ||= 0

      return_value = defaults[[prompt, x]]
      @prompt_called += 1 if return_value.present?

      return_value
    end

    I18n.stub(:translate, prompts_check) do
      datetime_select("post", "updated_at", locale: "en", include_seconds: true, prompt: true, use_month_names: Date::MONTHNAMES)
    end
    assert_equal defaults.count, @prompt_called
  end

  # date_or_time_select

  def test_date_or_time_select_given_an_order_options_does_not_translate_order
    assert_not_called(I18n, :translate) do
      datetime_select("post", "updated_at", order: [:year, :month, :day], locale: "en", use_month_names: Date::MONTHNAMES)
    end
  end

  def test_date_or_time_select_given_no_order_options_translates_order
    assert_called_with(I18n, :translate, [ [:'date.order', locale: "en", default: []], [:"date.month_names", { locale: "en" }] ], returns: %w(year month day)) do
      datetime_select("post", "updated_at", locale: "en")
    end
  end

  def test_date_or_time_select_given_invalid_order
    assert_called_with(I18n, :translate, [:'date.order', locale: "en", default: []], returns: %w(invalid month day)) do
      assert_raise StandardError do
        datetime_select("post", "updated_at", locale: "en")
      end
    end
  end

  def test_date_or_time_select_given_symbol_keys
    assert_called_with(I18n, :translate, [ [:'date.order', locale: "en", default: []], [:"date.month_names", { locale: "en" }] ], returns: [:year, :month, :day]) do
      datetime_select("post", "updated_at", locale: "en")
    end
  end
end
