require "erb"
require "active_support/builder" unless defined?(Builder)
module Relevance
  module Tarantula

    module HtmlReportHelper 
      include ERB::Util
      include Relevance::Tarantula
      def wrap_in_line_number_table_row(text, &blk)
        x = Builder::XmlMarkup.new

        x.tr do
          lines = text.split("\n")
          x.td(:class => "numbers") do
            lines.size.times do |index|
              x.span(index+1, :class => "line number")
            end
          end
          x.td(:class => "lines") do
            lines.each do |line|
              x.span(line, :class => "line")
            end
          end
        end

        x.target!
      end 

      def textmate_url(file, line_no)
        "txmt://open?url=file://#{File.expand_path(File.join(rails_root,file))}&line_no=#{line_no}"
      end

      def wrap_stack_trace_line(text)
        if text =~ %r{^\s*(/[^:]+):(\d+):([^:]+)$}
          file = h($1) # .to_s_xss_protected
          line_number = $2
          message = h($3) # .to_s_xss_protected
          "<a href='#{textmate_url(file, line_number)}'>#{file}:#{line_number}</a>:#{message}" # .mark_as_xss_protected
        else
          h(text) # .to_s_xss_protected
        end
      end
    end

  end
end