#!/usr/bin/ruby
#
# usage:
# ------
# empty the trash
#     ruby g.rb --deletetrash user@gmail.com password
#
#
# notes:
# ------


# load modules
require 'net/imap'
require 'date'

# declare globals
result = nil
user = ''
pass = ''
deletetrash = false # default: make user manually 'Empty Trash now' via web
deletespam = false # default: we don't care about the 'Spam' folder much

# process command line arguments
if(ARGV.size > 1)
  if(ARGV[0] == '--deletetrash')
      deletetrash = true
      ARGV.shift
  end
  if(ARGV[0] == '--deletetrashspam')
      deletetrash = true
      deletespam = true
      ARGV.shift
  end
  user = ARGV[0]
  pass = ARGV[1]
  if(ARGV.size == 3)
    label = ARGV[2]
  end
else
  puts "Usage: ruby gmail.rb [--deletetrash|--deletetrashspam] <user@gmail.com> <password>"
  exit(1)
end

# connect to the server
puts "Started at #{Time.now}"
imap = Net::IMAP.new('imap.gmail.com', '993', true)
imap.login(user, pass)

# do we have to empty the trash, too?
if deletetrash
  imap.select('[Gmail]/Trash')
  result = imap.search(["SINCE", '1-Jan-1900'])
  #result = imap.search(["FROM", "Somebody"])
  puts "Attempting to delete all #{result.length} messages in trash..."
  imap.store(1..result.length, "+FLAGS", [:Deleted])
  imap.expunge
end

# did the user want to clean out the spam folder, too?
if deletespam
  imap.select('[Gmail]/Spam')
  result = imap.search(["SINCE", '1-Jan-1900'])
  puts "Attempting to delete all #{result.length} messages in spam folder..."
  imap.store(1..result.length, "+FLAGS", [:Deleted])
  imap.expunge
end

# end imap session
imap.logout

# tell the user we finished
puts "Ended at #{Time.now}"