module PromptRestrictionsHelper
  def prompt_restriction_settings(form, include_description = false, allowany, hasprompts)

    result = "<!-- prompt restriction settings helper function -->".html_safe
    result += content_tag(:dt, form.label(:optional_tags_allowed, ts("Optional Tags?")) +
                          link_to_help("challenge-optional-tags"))
    result += content_tag(:dd, form.check_box(:optional_tags_allowed, disabled: (hasprompts ? false : true)))

    result += content_tag(:dt, form.label(:title_allowed, ts("Title:")))
    result += required_and_allowed_boolean(form, "title", hasprompts)

    result += content_tag(:dt, form.label(:description_allowed, ts("Details/Description:")))
    result += required_and_allowed_boolean(form, "description", hasprompts)

    result += content_tag(:dt, form.label(:url_required, ts("URL:")))
    result += required_and_allowed_boolean(form, "url", hasprompts)

    result += content_tag(:dt, form.label(:fandom_num_required, ts("Fandom(s):")))
    result += required_and_allowed(form, "fandom", hasprompts, allowany)

    result += content_tag(:dt, form.label(:character_num_required, ts("Character(s):")))
    result += required_and_allowed(form, "character", hasprompts, allowany)

    result += content_tag(:dt, form.label(:relationship_num_required, ts("Relationship(s):")))
    result += required_and_allowed(form, "relationship", hasprompts, allowany)

    result += content_tag(:dt, form.label(:rating_num_required, ts("Rating(s):")))
    result += required_and_allowed(form, "rating", hasprompts, allowany)

    result += content_tag(:dt, form.label(:category_num_required, ts("Categories:")) +
                          link_to_help("challenge-category-tags"))
    result += required_and_allowed(form, "category", hasprompts, allowany)

    result += content_tag(:dt, form.label(:freeform_num_required, ts("Additional tag(s):")))
    result += required_and_allowed(form, "freeform", hasprompts, allowany)

    result += content_tag(:dt, form.label(:archive_warning_num_required, ts("Archive Warning(s):")))
    result += required_and_allowed(form, "archive_warning", hasprompts, allowany)
  end

  def required_and_allowed_boolean(form, fieldname, hasprompts)
    content_tag(:dd, ("Required: " + form.check_box( ("#{fieldname}_required").to_sym, disabled: (hasprompts ? false : true)) +
                      " Allowed: " + form.check_box( ("#{fieldname}_allowed").to_sym, disabled: (hasprompts ? false : true)) ).html_safe )
  end

  def required_and_allowed(form, tag_type, hasprompts, allowany)
    fields = "Required: " + form.text_field( ("#{tag_type}_num_required").to_sym, disabled: (hasprompts ? false : true), class: "number" )
    fields += " Allowed: " + form.text_field( ("#{tag_type}_num_allowed").to_sym, disabled: (hasprompts ? false : true), class: "number" )
    if TagSet::TAG_TYPES.include?(tag_type)
      if allowany
        fields += label_tag field_id(form, "allow_any_#{tag_type}") do
          h(ts("Allow Any")) + form.check_box("allow_any_#{tag_type}".to_sym, disabled: (hasprompts ? false : true))
        end
      else
        form.hidden_field :"allow_any_#{tag_type}".to_sym, value: false
      end
      fields += label_tag field_id(form, "require_unique_#{tag_type}") do
        h(ts("Must Be Unique?")) + form.check_box("require_unique_#{tag_type}".to_sym, disabled: (hasprompts ? false : true))
      end
    end
    content_tag(:dd, fields.html_safe, class: "complex", title: ts(tag_type_label_name(tag_type).pluralize.downcase.to_s)) + "\n".html_safe
  end

  # generate the string to use for the labels on sign-up forms
  def challenge_signup_label(tag_name, num_allowed, num_required)
    if num_required > 0 && (num_allowed > num_required)
      "#{((num_allowed > 1) ? tag_name.pluralize : tag_name).titleize} (#{num_required} - #{num_allowed}): *"
    elsif num_required > 0 && (num_allowed == num_required)
      "#{((num_allowed > 1) ? tag_name.pluralize : tag_name).titleize} (#{num_required}): *"
    elsif num_allowed > 0
      "#{((num_allowed > 1) ? tag_name.pluralize : tag_name).titleize} (#{num_required} - #{num_allowed}):"
    else
      "#{tag_name.titleize}:"
    end
  end
end