# frozen_string_literal: true

# :nocov:

module YARD
  # Helper methods to use for yard documentation
  module DocsHelper
    def one_of(enumerable, lower: false, sort: true)
      # Sort the array if requested
      if sort
        enumerable = enumerable.sort do |a, b|
          a.instance_of?(b.class) ? a <=> b : a.class.to_s <=> b.class.to_s
        end
      end

      values =
        case enumerable
        when Hash
          enumerable.map do |key, value|
            "#{pretty_value(key)} (#{pretty_value(value)})"
          end
        else
          enumerable.map do |key|
            pretty_value(key)
          end
        end

      prefix = "One of"
      prefix = prefix.downcase if lower

      "#{prefix} #{values.to_sentence(two_words_connector: ' or ', last_word_connector: ', or ')}."
    end

    def link_to_accessibility
      "[Accessibility](#accessibility)"
    end

    def link_to_system_arguments_docs
      "[System arguments](/system-arguments)"
    end

    def link_to_typography_docs
      "[Typography](/system-arguments#typography)"
    end

    def link_to_component(component)
      status_module, short_name, class_name = status_module_and_short_name(component)
      status_path = status_module.nil? ? "" : "#{status_module}/"

      "[#{class_name}](/components/#{status_path}#{short_name.downcase})"
    end

    def link_to_octicons
      "[Octicon](https://primer.style/octicons/)"
    end

    def link_to_heading_practices
      "[Learn more about best heading practices (WAI Headings)](https://www.w3.org/WAI/tutorials/page-structure/headings/)"
    end

    def status_module_and_short_name(component)
      name_with_status = component.name.gsub(/Primer::|Component/, "")

      m = name_with_status.match(/(?<status>Beta|Alpha|Deprecated)?(?<_colons>::)?(?<name>.*)/)
      [m[:status]&.downcase, m[:name].gsub("::", ""), m[:name]]
    end

    def pretty_value(val)
      case val
      when nil
        "`nil`"
      when Symbol
        "`:#{val}`"
      else
        "`#{val}`"
      end
    end
  end
end