#!/usr/bin/ruby

# require File.expand_path('../../config/boot.rb', __FILE__)
# require File.expand_path('../../config/environment.rb', __FILE__)

@show = {}

def process_section(lines)
  error  = nil
  error2 = nil
  show   = false
  for line in lines
    if line.match(/^[A-Z][A-Za-z]+(::\w+)* \(/)
      error = line
    elsif line.match(/\((500 Internal Server Error|404 Not Found)\)/)
      show = true
    end
    if error && !error2 && line.match(/^ *(\/|app)(?!usr)/)
      error2 = line
    end
  end
  if show
    error = "#{error}\n#{error2}" if error && error2
    @show[error] ||= [0]
    @show[error][0] += 1
    @show[error][1] = lines
  end
end

file = ARGV[0]
section = []
File.open(file) do |fh|
  fh.each_line do |line|
    line.chomp!
    if line.match(/^Processing/)
      section = section.select {|x| x.to_s.match(/\S/)}
      process_section(section) if section.any?
      section = [line]
    else
      section << line
    end
  end
end

for error in @show.keys.sort_by {|x| -@show[x][0]}
  num, lines = @show[error]
  puts num.to_s + (error.to_s.match(/\S/) ? ": #{error}" : '')
  puts lines.join("\n")
  puts
end