#!/usr/bin/env ruby

require 'fileutils'

ENVIRONMENT_DIRS = ['ev', 'ev-exam']

def config
  Grader::Configuration.get_instance
end

def usage
  puts <<USAGE
Usage: 
  dump_submission prob_id1 prob_id2 prob_id3 ...

This will dumps all submission of the given problem ids into <current_dir>/<problem_name>/<user login>/<submission_id>
USAGE
end

if (ARGV.length == 0)
  usage
  exit(0)
end

# load grader environment
GRADER_ENV = 'grading'
require File.join(File.dirname(__FILE__),'config/environment')

# boot rails, to be able to rename the problem
RAILS_ENV = config.rails_env
require RAILS_ROOT + '/config/environment'

prob_ids = ARGV.map{ |x| x.to_i}


prob_ids.each do |id|
  p = Problem.find(id)
  p.submissions.each do |s|
    dir = "#{p.name}/#{s.user.login}/#{s.id}.#{s.language.ext}"
    filename = "#{s.id}.#{s.language.ext}"
    FileUtils.mkdir_p dir
    File.write("#{dir}/#{filename}",s.source)
    puts filename
  end
end