#!/usr/bin/env ruby
#
# © 2016 Shippo, Inc.
#
# License: MIT
#
# This example demonstrates how to purchase a label for a domestic US shipment.
# Please set +SHIPPO_TOKEN+ in the environment before running it.
#
# You can also set +SHIPPO_DEBUG+ to see detailed printouts of objects returned.
#
#

lib = File.expand_path('../../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)

require 'bundler/setup'
require 'shippo'
require 'shippo/api/category'
require 'shippo/exceptions/api_error'
require 'awesome_print'
require 'json'

Shippo::API.token = ENV['SHIPPO_TOKEN']

# Simple wrapper class to help us print objects to the STDOUT
class ExampleHelper
  def self.log_operation(msg)
    printf '%s', msg
    result = yield
    puts 'OK'
    result
  rescue Exception => e
    raise(e)
  end

  def self.dump_object(instance, msg = nil)
    return unless Shippo::API.debug?
    sep
    puts "#{msg.upcase}:" if msg
    puts "\#<#{instance.class.inspect}:0x#{instance.object_id.to_s(16)}> ⇒ "
    ap instance
    sep
    # See https://github.com/goshippo/shippo-ruby-client#resource-id-and-other-object-fields
    puts "Shippo object id: #{instance.object.id}"
    sep
  end

  def self.sep
    puts '—' * (ENV['COLUMNS'] || 80)
  end
end

# Create address object
address = {
  :object_purpose => 'PURCHASE',
  :name           => 'Mr Hippo',
  :company        => 'Shippo',
  :street1        => '215 Clayton St.',
  :street2        => '',
  :city           => 'San Francisco',
  :state          => 'CA',
  :zip            => '94117',
  :country        => 'US',
  :phone          => '+1 555 341 9393',
  :email          => 'support@goshippo.com',
  :is_residential => true,
  :metadata       => 'some metadata'
}

begin
  address = ExampleHelper.log_operation 'Creating address... ' do
    Shippo::Address.create(address)
  end
  raise Shippo::Exceptions::UnsuccessfulResponseError.new(address.object.inspect) unless address.valid?
  File.open('example-address.json', 'w') do |file|
    file.puts JSON.dump(address.to_hash)
  end
rescue Shippo::Exceptions::APIServerError => e
  puts "Server returned an error:\n#{e}"
  exit 3
rescue Shippo::Exceptions::ConnectionError
  puts 'Error connecting to remote host. Is your Internet working?'
  exit 2
rescue Shippo::Exceptions::AuthenticationError
  if Shippo::API.token
    puts "Token '#{Shippo::API.token}' does not appear to be valid."
    puts 'Access denied.'
  else
    puts 'Please set authentication token in the environment:'
    puts 'export SHIPPO_TOKEN="<your token here>"'
    puts 'and re-run the example.'
  end
  exit 1
end

# Validate the address that we created
resp = Shippo::Address.validate(address.object.id)
ExampleHelper.dump_object(resp, 'Validation complete')