require 'rabbit/utils'
require 'rabbit/parser/ext/inline'
require 'rabbit/parser/rd/ext/base'
require 'rabbit/parser/rd/ext/image'
require 'rabbit/parser/rd/ext/entity'

module Rabbit
  module Parser
    class RD
      module Ext
        class InlineVerbatim < Base
          extend Utils
          include Image
          include Entity

          Inline = Parser::Ext::Inline

          def default_ext_inline_verbatim(label, source, content, visitor)
            Verbatim.new(Text.new(source))
          end

#           def ext_inline_verb_img(label, content, visitor)
#             img(label, content, visitor)
#           end

          def ext_inline_verb_quote(label, source, content, visitor)
            label = label.to_s
            return nil unless /^quote:(.*)$/ =~ label
            default_ext_inline_verb($1, visitor.apply_to_String($1), $1, visitor)
          end

          def ext_inline_verb_del(label, source, content, visitor)
            label = label.to_s
            return nil unless /^del:(.*)$/ =~ label
            DeletedText.new(Text.new(visitor.apply_to_String($1)))
          end

          def ext_inline_verb_sub(label, source, content, visitor)
            label = label.to_s
            return nil unless /^sub:(.*)$/ =~ label
            sub_text = $1
            if /\A\s*\z/ =~ sub_text
              sub_text = Text.new(sub_text)
            else
              sub_text = visitor.apply_to_Verb(::RD::Verb.new(sub_text))
            end
            Inline.sub(sub_text)
          end

          def ext_inline_verb_sup(label, source, content, visitor)
            label = label.to_s
            return nil unless /^sup:(.*)$/ =~ label
            sup_text = $1
            if /\A\s*\z/ =~ sup_text
              sup_text = Text.new(sup_text)
            else
              sup_text = visitor.apply_to_Verb(::RD::Verb.new(sup_text))
            end
            Inline.sup(sup_text)
          end

          def ext_inline_verb_note(label, source, content, visitor)
            label = label.to_s
            return nil unless /^note:(.*)$/ =~ label
            target = $1
            if /^\w+:/ =~ target
              target = visitor.apply_to_Verb(::RD::Verb.new(target))
            else
              target = Text.new(visitor.apply_to_String(target))
            end
            Inline.note(target)
          end

          def ext_inline_verb_lang(label, source, content, visitor)
            label = label.to_s
            return nil unless /^lang:([a-z]{2,2}):(.*)$/ =~ label
            Inline.lang($1, Text.new(visitor.apply_to_String($2)))
          end

          def ext_inline_verb_wait(label, source, content, visitor)
            label = label.to_s
            return nil unless /^wait$/ =~ label
            WaitTag.new
          end
        end
      end
    end
  end
end