#!/usr/bin/env ruby
#
require 'csv'

headers = [
  'timestamp', # is a Unix timestamp in UTC of when the message was printed.
  'target',    # is the target of the following output. This is empty if the message is related to Vagrant globally. Otherwise, this is generally a machine name so you can relate output to a specific machine when multi-VM is in use.
  'type',      # is the type of machine-readable message being outputted. There are a set of standard types which are covered later.
  'data',      # is zero or more comma-separated values associated with the prior type. The exact amount and meaning of this data is type-dependent, so you must read the documentation associated with the type to understand fully.
]

types = [
  'box-name',          # Name of a box installed into Vagrant.
  'box-provider',      # Provider for an installed box.
  'cli-command',       # A subcommand of vagrant that is available.
  'error-exit',        # An error occurred that caused Vagrant to exit. This contains that error. Contains two data elements: type of error, error message.
  'provider-name',     # The provider name of the target machine. targeted
  'state',             # The state ID of the target machine. targeted
  'state-human-long',  # Human-readable description of the state of the machine. This is the long version, and may be a paragraph or longer. targeted
  'state-human-short', # Human-readable description of the state of the machine. This is the short version, limited to at most a sentence. targeted
]

module Vagrant
  Box = Struct.new(:name, :provider)
  State = Struct.new(:id, :short, :long)
  Error = Struct.new(:type, :message)

  class VM
    attr_accessor :box, :state, :command, :provider, :error

    def initialize(target)
      @target = target
      @box = Box.new
      @state = State.new
    end
  end
end

virtual_machines = Hash.new do |vms, target|
  vms[target] = Vagrant::VM.new(target)
end

CSV.new(ARGF, headers: headers).each do |message|
  vm = virtual_machines[message['target']]
  data = message['data'].split('%!(VAGRANT_COMMA)')

  case message['type']
    when 'box-name'
      vm.box.name = data
    when 'box-provider'
      vm.box.provider = data
    when 'state'
      vm.state.id = data
    when 'state-human-long'
      vm.state.long = data
    when 'state-human-short'
      vm.state.short = data
    when 'cli-command'
      vm.command = data
    when 'error-exit'
      vm.error = Vagrant::Error.new(data[0], data[1])
    when 'provider-name'
      vm.provider = data
    else
      raise "Unknown type: #{message['type']}"
  end
end

puts virtual_machines.map{|name, vm| name}
#puts virtual_machines.map{|name, vm| "#{name}: #{vm.state.short}"}