module Pluginscan
  # Responsible for printing a single finding on the command line
  class FindingPrinter < Printer
    def print(finding)
      finding = FindingView.new(finding)
      finding = IgnoredFindingView.new(finding) if finding.ignored
      @output.puts finding.source_line
    end
  end

  class FindingView < SimpleDelegator
    def source_line
      data = {
        lineno:  lineno,
        line:    highlight_matches(line.strip),
      }

      # pad line number to 5. Because some plugin files really are over 10k lines
      format "     %<lineno>5s: %{line}\n", data
    end

  private

    def highlight_matches(line)
      return line unless match # TODO: nil checks are evil!

      line.gsub match, match.color(:cyan)
    end
  end

  class IgnoredFindingView < SimpleDelegator
    def source_line
      i_symbol = "[I]".color(:red)

      super.gsub(/^     /, "  #{i_symbol}")
    end
  end
end