#!/usr/bin/env ruby

require('json')
require('ostruct')
require('rest-client')

stream = ARGV.any? ? ARGV : ARGF
if stream == ARGF && $stdin.tty?
  puts "Usage: deliver-story STORY_INFO_JSON"
  puts "Examples:\n deliver-story  '{\"id\":123,\"current_state\":\"started\"}'"
  puts %Q[ echo '{"id":123,"current_state":"started"}' | deliver-story]
  exit 1
end

stream.each do |story_hash|
  story = OpenStruct.new(JSON.parse(story_hash))
  story_state = story.current_state
  if story_state != 'finished'
    puts "Story #{story.id} is not finished, not delivering"
    next
  end

  story_url = "https://www.pivotaltracker.com/services/v5/stories/#{story.id}"
  begin
    response = RestClient::Request.execute(
      method: :put,
      url: story_url,
      payload: {current_state: 'delivered'},
      headers: {'X-TrackerToken' => ENV['PIVOTAL_TRACKER_API_TOKEN']}
    )

    puts response
  rescue RestClient::Exception => e
    puts "Error delivering story #{story.id}, #{e.message}:\n#{e.backtrace.join("\n")}"
  end
end