module SecureRandom

# File lib/uuid64.rb, line 17
def mongo_id
  @mongo_host ||= Digest::SHA2.hexdigest(Socket.gethostname)[0..5].freeze
  @mongo_pid ||= Process.pid.to_s(16)[0..3].rjust(4, '0').freeze

  @mongo_inc ||= 0
  @mongo_inc += 1
  @mongo_inc = 0 if @mongo_inc > 16_777_215

  Time.now.to_i.to_s(16)[0..7].rjust(8, '0') +
    @mongo_host +
    @mongo_pid +
    @mongo_inc.to_s(16)[0..5].rjust(6, '0')
end

# File lib/uuid64.rb, line 35
def mongo_id62
  mongo_id.to_i(16).base62_encode
end

# File lib/uuid64.rb, line 31
def mongo_id64
  [[mongo_id].pack('H*')].pack('m').chomp
end

# File lib/uuid64.rb, line 13
def uuid62
  uuid.delete('-').to_i(16).base62_encode
end

# File lib/uuid64.rb, line 9
def uuid64
  [[uuid.delete('-')].pack('H*')].pack('m').delete('=').chomp
end