# coding : utf-8
require 'tempfile'
require 'shellwords'
require 'date'

class Fixnum
  def hour_in_second
    self*60*60
  end
end

class Date
    def midnight_in_jst
        self.to_time.getlocal("+09:00") - 9.hour_in_second
    end
end

TWEET_USER = 'gomao9_bot'
RECEIVE_USER = 'gomao9'
CONDITION = lambda{|d| true }
THE_DAY = Date.new(2015, 9, 7)
NOTIFY_TIME = 5.hour_in_second

def register command, time
  time = Time.now + 60
  time = time.getutc.strftime("%H:%M %d.%m.%y")

  tmp = Tempfile.open(['command', '.sh'])
  tmp << command
  tmp.rewind
  system "at '#{time}' -f #{tmp.path}"
  tmp.close
end

def tw tweet
  tweet = Shellwords.shellescape tweet
  "echo #{tweet} | tw --user=#{TWEET_USER} --pipe"
end

today = Date.today

tweets = (today...THE_DAY).select{|d| CONDITION.call(d)}
.map do |d|
  rest = (THE_DAY-d).to_i
  [d.midnight_in_jst + NOTIFY_TIME,
   "#{RECEIVE_USER} 「LIVE THE@TER DREAMERS 01」発売まであと#{rest}日です。"]
end

tweets.each do |time, tweet|
  # register tw(tweet), time
  require "pp"; pp [tweet, time]
end