#!/usr/bin/env ruby -rubygems

abort "Usage: links.rb USERNAME [days ago]" unless ARGV.length > 0
trap("SIGINT") { puts; abort }

require "twitter"
require "active_support/core_ext"

username = ARGV[0]
since    = ARGV[1] ? ARGV[1].to_i.days.ago.to_date : 1.year.ago.to_date
options  = { include_entities: true, count: 200 }

loop do
  begin
    tweets = Twitter.user_timeline(username, options)
  rescue Twitter::Error::BadGateway, Twitter::Error::BadRequest
    puts "Rate Limit Exceeded (pausing for one minute)"
    sleep 60
    next
  end

  tweets.each do |tweet|
    tweet_created_at = tweet.created_at.to_date
    abort if tweet_created_at < since

    tweet.expanded_urls.compact.each do |expanded_url|
      puts "#{tweet_created_at}: #{expanded_url} (#{tweet.text})"
    end
  end

  abort if tweets.empty?
  options[:max_id] = tweets.last["id"] - 1
end