module Locomotive
  module Liquid
    module Tags
      class EditableShortText < ::Liquid::Block

        Syntax = /(#{::Liquid::QuotedFragment})(\s*,\s*#{::Liquid::Expression}+)?/

        def initialize(tag_name, markup, tokens, context)
          if markup =~ Syntax
            @slug = $1.gsub('\'', '')
            @options = {}
            markup.scan(::Liquid::TagAttributes) { |key, value| @options[key.to_sym] = value.gsub(/^'/, '').gsub(/'$/, '') }
          else
            raise ::Liquid::SyntaxError.new("Syntax Error in 'editable_short_text' - Valid syntax: editable_short_text <slug>(, <options>)")
          end

          super

          puts "@nodelist = #{@nodelist.inspect}"

          @context[:page].add_or_update_editable_element({
            :block => @context[:current_block].try(:name),
            :slug => @slug,
            :hint => @options[:hint],
            :default_content => @nodelist.first.to_s,
            :disabled => false
          })
        end

        def render(context)
          current_page = context.registers[:page]
          puts "[EditableShortText] rendering #{context['block'].inspect} / #{current_page.editable_elements.inspect}"

          element = current_page.find_editable_element(context['block'].try(:name), @slug)

          if element
            element.content
          else
            Locomotive.logger "[editable short text] missing editable short text #{context[:block].name} / #{@slug}"
            ''
          end
        end

        ::Liquid::Template.register_tag('editable_short_text', EditableShortText)
      end
    end
  end
end