require 'test_helper'

class CanadaPostTest < ActiveSupport::TestCase
  include ActiveShipping::Test::Fixtures

  def setup
    login = { login: 'CPC_DEMO_XML' }

    @carrier = CanadaPost.new(login)
    @french_carrier = CanadaPost.new(login.merge(french: true))

    @request  = xml_fixture('canadapost/example_request')
    @response = xml_fixture('canadapost/example_response')
    @response_french = xml_fixture('canadapost/example_response_french')
    @bad_response = xml_fixture('canadapost/example_response_error')

    @origin      = { address1: "61A York St", city: "Ottawa", province: "ON", country: "Canada", postal_code: "K1N 5T2" }
    @destination = { city: "Beverly Hills", state: "CA", country: "United States", postal_code: "90210" }
    @line_items  = [Package.new(500, [2, 3, 4], description: "a box full of stuff", value: 2500)]
  end

  def test_parse_rate_response_french
    @french_carrier.expects(:ssl_post).returns(@response_french)
    rate_estimates = @french_carrier.find_rates(@origin, @destination, @line_items)

    rate_estimates.rates.each do |rate|
      assert_instance_of RateEstimate, rate
      assert_instance_of Date, rate.delivery_date
      assert_instance_of Date, rate.shipping_date
      assert_instance_of String, rate.service_name
      assert_kind_of Integer, rate.total_price
    end

    rate_estimates.boxes.each do |box|
      assert_instance_of CanadaPost::Box, box
      assert_instance_of String, box.name
      assert_instance_of Float, box.weight
      assert_instance_of Float, box.expediter_weight
      assert_instance_of Float, box.length
      assert_instance_of Float, box.height
      assert_instance_of Float, box.width

      box.packedItems.each do |p|
        assert_kind_of Integer, p.quantity
        assert_instance_of String, p.description
      end
    end
  end

  def test_build_rate_request
    @carrier.expects(:commit).with(@request, @origin, @destination, {})
    @carrier.find_rates(@origin, @destination, @line_items)
  end

  def test_parse_rate_response
    @carrier.expects(:ssl_post).returns(@response)
    rate_estimates = @carrier.find_rates(@origin, @destination, @line_items)

    rate_estimates.rates.each do |rate|
      assert_instance_of RateEstimate, rate
      assert_instance_of Date, rate.delivery_date
      assert_instance_of Date, rate.shipping_date
      assert_instance_of String, rate.service_name
      assert_kind_of Integer, rate.total_price
    end

    rate_estimates.boxes.each do |box|
      assert_instance_of CanadaPost::Box, box
      assert_instance_of String, box.name
      assert_instance_of Float, box.weight
      assert_instance_of Float, box.expediter_weight
      assert_instance_of Float, box.length
      assert_instance_of Float, box.height
      assert_instance_of Float, box.width

      box.packedItems.each do |p|
        assert_kind_of Integer, p.quantity
        assert_instance_of String, p.description
      end
    end
  end

  def test_non_success_parse_rate_response
    @carrier.expects(:ssl_post).returns(@bad_response)

    error = assert_raises(ActiveShipping::ResponseError) do
      @carrier.find_rates(@origin, @destination, @line_items)
    end

    assert_equal 'Parcel too heavy to be shipped with CPC.', error.message
  end

  def test_turn_around_time
    @carrier.expects(:commit).with do |request, _options|
      parsed_request = Hash.from_xml(request)
      parsed_request['eparcel']['ratesAndServicesRequest']['turnAroundTime'] == "0"
    end
    @carrier.find_rates(@origin, @destination, @line_items, turn_around_time: 0)
  end

  def test_build_line_items
    line_items_xml = Nokogiri::XML::Builder.new do |xml|
      @carrier.send(:build_line_items, xml, @line_items)
    end

    assert_instance_of Nokogiri::XML::Builder, line_items_xml
    assert_equal "a box full of stuff", line_items_xml.doc.at_xpath('//description').text
    assert_equal "0.5", line_items_xml.doc.at_xpath('//weight').text
  end

  def test_non_iso_country_names
    @destination[:country] = 'RU'
    @carrier.expects(:ssl_post).with(anything, regexp_matches(%r{<country>Russia</country>})).returns(@response)
    @carrier.find_rates(@origin, @destination, @line_items)
  end

  def test_delivery_range_based_on_delivery_date
    @carrier.expects(:ssl_post).returns(@response)
    rate_estimates = @carrier.find_rates(@origin, @destination, @line_items)

    delivery_date = Date.new(2010, 8, 4)
    assert_equal [delivery_date] * 2, rate_estimates.rates[0].delivery_range
    assert_equal [delivery_date] * 2, rate_estimates.rates[1].delivery_range
    assert_equal [delivery_date + 2.days] * 2, rate_estimates.rates[2].delivery_range
  end

  def test_delivery_range_with_invalid_date
    @response = xml_fixture('canadapost/example_response_with_strange_delivery_date')
    @carrier.expects(:ssl_post).returns(@response)
    rate_estimates = @carrier.find_rates(@origin, @destination, @line_items)

    assert_equal [], rate_estimates.rates[0].delivery_range
  end

  def test_line_items_with_nil_values
    @response = xml_fixture('canadapost/example_response_with_nil_value')
    @carrier.expects(:ssl_post).returns(@response)

    @line_items << Package.new(500, [2, 3, 4], description: "another box full of stuff", value: nil)
    rate_response = @carrier.find_rates(@origin, @destination, @line_items)

    assert rate_response.rates.length > 0, "Expecting rateestimates even without a value specified."
  end

  def test_maximum_address_field_length
    assert_equal 44, @carrier.maximum_address_field_length
  end
end