should = require('chai').should()
expect = require('chai').expect
sinon = require 'sinon'
crypto = require 'crypto'
querystring = require 'querystring'
modulePath = "../../../../app/js/Features/Subscription/RecurlyWrapper"
SandboxedModule = require('sandboxed-module')
tk = require("timekeeper")

fixtures =
	"subscriptions/44f83d7cba354d5b84812419f923ea96":
		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
		"<subscription href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96\">" +
		"  <account href=\"https://api.recurly.com/v2/accounts/104\"/>" +
		"  <plan href=\"https://api.recurly.com/v2/plans/gold\">" +
		"    <plan_code>gold</plan_code>" +
		"    <name>Gold plan</name>" +
		"  </plan>" +
		"  <uuid>44f83d7cba354d5b84812419f923ea96</uuid>" +
		"  <state>active</state>" +
		"  <unit_amount_in_cents type=\"integer\">800</unit_amount_in_cents>" +
		"  <currency>EUR</currency>" +
		"  <quantity type=\"integer\">1</quantity>" +
		"  <activated_at type=\"datetime\">2011-05-27T07:00:00Z</activated_at>" +
		"  <canceled_at nil=\"nil\"></canceled_at>" +
		"  <expires_at nil=\"nil\"></expires_at>" +
		"  <current_period_started_at type=\"datetime\">2011-06-27T07:00:00Z</current_period_started_at>" +
		"  <current_period_ends_at type=\"datetime\">2011-07-27T07:00:00Z</current_period_ends_at>" +
		"  <trial_started_at nil=\"nil\"></trial_started_at>" +
		"  <trial_ends_at nil=\"nil\"></trial_ends_at>" +
		"  <subscription_add_ons type=\"array\">" +
		"    <subscription_add_on>" +
		"      <add_on_code>ipaddresses</add_on_code>" +
		"      <quantity>10</quantity>" +
		"      <unit_amount_in_cents>150</unit_amount_in_cents>" +
		"    </subscription_add_on>" +
		"  </subscription_add_ons>" +
		"  <a name=\"cancel\" href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/cancel\" method=\"put\"/>" +
		"  <a name=\"terminate\" href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/terminate\" method=\"put\"/>" +
		"  <a name=\"postpone\" href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/postpone\" method=\"put\"/>" +
		"</subscription>"
	"recurly_js/result/70db44b10f5f4b238669480c9903f6f5":
		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
		"<subscription href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96\">" +
		"  <account href=\"https://api.recurly.com/v2/accounts/104\"/>" +
		"  <plan href=\"https://api.recurly.com/v2/plans/gold\">" +
		"    <plan_code>gold</plan_code>" +
		"    <name>Gold plan</name>" +
		"  </plan>" +
		"  <uuid>44f83d7cba354d5b84812419f923ea96</uuid>" +
		"  <state>active</state>" +
		"  <unit_amount_in_cents type=\"integer\">800</unit_amount_in_cents>" +
		"  <currency>EUR</currency>" +
		"  <quantity type=\"integer\">1</quantity>" +
		"  <activated_at type=\"datetime\">2011-05-27T07:00:00Z</activated_at>" +
		"  <canceled_at nil=\"nil\"></canceled_at>" +
		"  <expires_at nil=\"nil\"></expires_at>" +
		"  <current_period_started_at type=\"datetime\">2011-06-27T07:00:00Z</current_period_started_at>" +
		"  <current_period_ends_at type=\"datetime\">2011-07-27T07:00:00Z</current_period_ends_at>" +
		"  <trial_started_at nil=\"nil\"></trial_started_at>" +
		"  <trial_ends_at nil=\"nil\"></trial_ends_at>" +
		"  <subscription_add_ons type=\"array\">" +
		"    <subscription_add_on>" +
		"      <add_on_code>ipaddresses</add_on_code>" +
		"      <quantity>10</quantity>" +
		"      <unit_amount_in_cents>150</unit_amount_in_cents>" +
		"    </subscription_add_on>" +
		"  </subscription_add_ons>" +
		"  <a name=\"cancel\" href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/cancel\" method=\"put\"/>" +
		"  <a name=\"terminate\" href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/terminate\" method=\"put\"/>" +
		"  <a name=\"postpone\" href=\"https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/postpone\" method=\"put\"/>" +
		"</subscription>"
	"accounts/104":
		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
		"<account href=\"https://api.recurly.com/v2/accounts/104\">" +
		"  <adjustments href=\"https://api.recurly.com/v2/accounts/1/adjustments\"/>" +
		"  <billing_info href=\"https://api.recurly.com/v2/accounts/1/billing_info\"/>" +
		"  <invoices href=\"https://api.recurly.com/v2/accounts/1/invoices\"/>" +
		"  <redemption href=\"https://api.recurly.com/v2/accounts/1/redemption\"/>" +
		"  <subscriptions href=\"https://api.recurly.com/v2/accounts/1/subscriptions\"/>" +
		"  <transactions href=\"https://api.recurly.com/v2/accounts/1/transactions\"/>" +
		"  <account_code>104</account_code>" +
		"  <state>active</state>" +
		"  <username nil=\"nil\"></username>" +
		"  <email>verena@example.com</email>" +
		"  <first_name>Verena</first_name>" +
		"  <last_name>Example</last_name>" +
		"  <accept_language nil=\"nil\"></accept_language>" +
		"  <hosted_login_token>a92468579e9c4231a6c0031c4716c01d</hosted_login_token>" +
		"  <created_at type=\"datetime\">2011-10-25T12:00:00</created_at>" +
		"</account>"

mockApiRequest = (options, callback) ->
	if fixtures[options.url]
		callback(null, {statusCode : 200}, fixtures[options.url])
	else
		callback("Not found", {statusCode : 404})


describe "RecurlyWrapper", ->

	before ->
		@settings =
			plans: [{
				planCode: "collaborator"
				name: "Collaborator"
				features:
					collaborators: -1
					versioning: true
			}]
			defaultPlanCode:
				collaborators: 0
				versioning: false
			apis:
				recurly:
					apiKey: 'nonsense'
					privateKey: 'private_nonsense'

		@RecurlyWrapper = RecurlyWrapper = SandboxedModule.require modulePath, requires:
			"settings-sharelatex": @settings
			"logger-sharelatex":
				err:   sinon.stub()
				error: sinon.stub()
				log:   sinon.stub()
			"request": sinon.stub()

	describe "sign", ->

		before (done) ->
			tk.freeze Date.now() # freeze the time for these tests
			@RecurlyWrapper.sign({
				subscription :
					plan_code : "gold"
					name      : "$$$"
			}, (error, signature) =>
				@signature = signature
				done()
			)

		after ->
			tk.reset()

		it "should be signed correctly", ->
			signed = @signature.split("|")[0]
			query = @signature.split("|")[1]
			crypto.createHmac("sha1", @settings.apis.recurly.privateKey).update(query).digest("hex").should.equal signed

		it "should be url escaped", ->
			query = @signature.split("|")[1]
			should.equal query.match(/\[/), null
			query.match(/\%5B/).should.not.equal null

		it "should contain the passed data", ->
			query = querystring.parse @signature.split("|")[1]
			query["subscription[plan_code]"].should.equal "gold"
			query["subscription[name]"].should.equal "$$$"

		it "should contain a nonce", ->
			query = querystring.parse @signature.split("|")[1]
			should.exist query["nonce"]

		it "should contain a timestamp", ->
			query = querystring.parse @signature.split("|")[1]
			query["timestamp"].should.equal Math.round(Date.now() / 1000) + ""

	describe "_parseXml", ->
		it "should convert different data types into correct representations", (done) ->
			xml = """
				<?xml version="1.0" encoding="UTF-8"?>
				<subscription href="https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96">
				  <account href="https://api.recurly.com/v2/accounts/1"/>
				  <plan href="https://api.recurly.com/v2/plans/gold">
				    <plan_code>gold</plan_code>
				    <name>Gold plan</name>
				  </plan>
				  <uuid>44f83d7cba354d5b84812419f923ea96</uuid>
				  <state>active</state>
				  <unit_amount_in_cents type="integer">800</unit_amount_in_cents>
				  <currency>EUR</currency>
				  <quantity type="integer">1</quantity>
				  <activated_at type="datetime">2011-05-27T07:00:00Z</activated_at>
				  <canceled_at nil="nil"></canceled_at>
				  <expires_at nil="nil"></expires_at>
				  <current_period_started_at type="datetime">2011-06-27T07:00:00Z</current_period_started_at>
				  <current_period_ends_at type="datetime">2011-07-27T07:00:00Z</current_period_ends_at>
				  <trial_started_at nil="nil"></trial_started_at>
				  <trial_ends_at nil="nil"></trial_ends_at>
				  <subscription_add_ons type="array">
				    <subscription_add_on>
				      <add_on_code>ipaddresses</add_on_code>
				      <quantity>10</quantity>
				      <unit_amount_in_cents>150</unit_amount_in_cents>
				    </subscription_add_on>
				  </subscription_add_ons>
				  <a name="cancel" href="https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/cancel" method="put"/>
				  <a name="terminate" href="https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/terminate" method="put"/>
				  <a name="postpone" href="https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96/postpone" method="put"/>
				</subscription>
				"""
			@RecurlyWrapper._parseXml xml, (error, data) ->
				data.subscription.plan.plan_code.should.equal "gold"
				data.subscription.plan.name.should.equal "Gold plan"
				data.subscription.uuid.should.equal "44f83d7cba354d5b84812419f923ea96"
				data.subscription.state.should.equal "active"
				data.subscription.unit_amount_in_cents.should.equal 800
				data.subscription.currency.should.equal "EUR"
				data.subscription.quantity.should.equal 1

				data.subscription.activated_at.should.deep.equal new Date("2011-05-27T07:00:00Z")
				should.equal data.subscription.canceled_at, null
				should.equal data.subscription.expires_at, null

				data.subscription.current_period_started_at.should.deep.equal new Date("2011-06-27T07:00:00Z")

				data.subscription.current_period_ends_at.should.deep.equal new Date("2011-07-27T07:00:00Z")
				should.equal data.subscription.trial_started_at, null
				should.equal data.subscription.trial_ends_at, null

				data.subscription.subscription_add_ons[0].should.deep.equal {
					add_on_code: "ipaddresses"
					quantity: "10"
					unit_amount_in_cents: "150"
				}
				data.subscription.account.url.should.equal "https://api.recurly.com/v2/accounts/1"
				data.subscription.url.should.equal "https://api.recurly.com/v2/subscriptions/44f83d7cba354d5b84812419f923ea96"
				data.subscription.plan.url.should.equal "https://api.recurly.com/v2/plans/gold"
				done()

	describe "getSubscription", ->

		describe "with proper subscription id", ->
			before ->
				@apiRequest = sinon.stub(@RecurlyWrapper, "apiRequest", mockApiRequest)
				@RecurlyWrapper.getSubscription "44f83d7cba354d5b84812419f923ea96", (error, recurlySubscription) =>
					@recurlySubscription = recurlySubscription
			after ->
				@RecurlyWrapper.apiRequest.restore()

			it "should look up the subscription at the normal API end point", ->
				@apiRequest.args[0][0].url.should.equal "subscriptions/44f83d7cba354d5b84812419f923ea96"

			it "should return the subscription", ->
				@recurlySubscription.uuid.should.equal "44f83d7cba354d5b84812419f923ea96"

		describe "with ReculyJS token", ->
			before ->
				@apiRequest = sinon.stub(@RecurlyWrapper, "apiRequest", mockApiRequest)
				@RecurlyWrapper.getSubscription "70db44b10f5f4b238669480c9903f6f5", {recurlyJsResult: true}, (error, recurlySubscription) =>
					@recurlySubscription = recurlySubscription
			after ->
				@RecurlyWrapper.apiRequest.restore()

			it "should return the subscription", ->
				@recurlySubscription.uuid.should.equal "44f83d7cba354d5b84812419f923ea96"

			it "should look up the subscription at the RecurlyJS API end point", ->
				@apiRequest.args[0][0].url.should.equal "recurly_js/result/70db44b10f5f4b238669480c9903f6f5"

		describe "with includeAccount", ->
			beforeEach ->
				@apiRequest = sinon.stub(@RecurlyWrapper, "apiRequest", mockApiRequest)
				@RecurlyWrapper.getSubscription "44f83d7cba354d5b84812419f923ea96", {includeAccount: true}, (error, recurlySubscription) =>
					@recurlySubscription = recurlySubscription
			afterEach ->
				@RecurlyWrapper.apiRequest.restore()

			it "should request the account from the API", ->
				@apiRequest.args[1][0].url.should.equal "accounts/104"

			it "should populate the account attribute", ->
				@recurlySubscription.account.account_code.should.equal "104"


	describe "updateSubscription", ->
		beforeEach (done) ->
			@recurlySubscriptionId = "subscription-id-123"
			@apiRequest = sinon.stub @RecurlyWrapper, "apiRequest", (options, callback) =>
				@requestOptions = options
				callback null, {}, fixtures["subscriptions/44f83d7cba354d5b84812419f923ea96"]
			@RecurlyWrapper.updateSubscription @recurlySubscriptionId, { plan_code : "silver", timeframe: "now" }, (error, recurlySubscription) =>
				@recurlySubscription = recurlySubscription
				done()
		afterEach ->
			@RecurlyWrapper.apiRequest.restore()

		it "should send an update request to the API", ->
			@apiRequest.called.should.equal true
			@requestOptions.body.should.equal """
			                                  <subscription>
			                                    <plan_code>silver</plan_code>
			                                    <timeframe>now</timeframe>
			                                  </subscription>
			                                  """
			@requestOptions.url.should.equal "subscriptions/#{@recurlySubscriptionId}"
			@requestOptions.method.should.equal "put"

		it "should return the updated subscription", ->
			should.exist @recurlySubscription
			@recurlySubscription.plan.plan_code.should.equal "gold"


	describe "cancelSubscription", ->
		beforeEach (done) ->
			@recurlySubscriptionId = "subscription-id-123"
			@apiRequest = sinon.stub @RecurlyWrapper, "apiRequest", (options, callback) =>
				options.url.should.equal "subscriptions/#{@recurlySubscriptionId}/cancel"
				options.method.should.equal "put"
				callback()
			@RecurlyWrapper.cancelSubscription(@recurlySubscriptionId, done)

		afterEach ->
			@RecurlyWrapper.apiRequest.restore()

		it "should send a cancel request to the API", ->
			@apiRequest.called.should.equal true

	describe "reactivateSubscription", ->
		beforeEach (done) ->
			@recurlySubscriptionId = "subscription-id-123"
			@apiRequest = sinon.stub @RecurlyWrapper, "apiRequest", (options, callback) =>
				options.url.should.equal "subscriptions/#{@recurlySubscriptionId}/reactivate"
				options.method.should.equal "put"
				callback()
			@RecurlyWrapper.reactivateSubscription(@recurlySubscriptionId, done)

		afterEach ->
			@RecurlyWrapper.apiRequest.restore()

		it "should send a cancel request to the API", ->
			@apiRequest.called.should.equal true



	describe "redeemCoupon", ->

		beforeEach (done) ->
			@recurlyAccountId = "account-id-123"
			@coupon_code = "312321312"
			@apiRequest = sinon.stub @RecurlyWrapper, "apiRequest", (options, callback) =>
				options.url.should.equal "coupons/#{@coupon_code}/redeem"
				options.body.indexOf("<account_code>#{@recurlyAccountId}</account_code>").should.not.equal -1
				options.body.indexOf("<currency>USD</currency>").should.not.equal -1
				options.method.should.equal "post"
				callback()
			@RecurlyWrapper.redeemCoupon(@recurlyAccountId, @coupon_code, done)

		afterEach ->
			@RecurlyWrapper.apiRequest.restore()

		it "should send the request to redem the coupon", ->
			@apiRequest.called.should.equal true

	describe "_addressToXml", ->

		beforeEach ->
			@address =
				address1:    "addr_one"
				address2:    "addr_two"
				country:     "some_country"
				state:       "some_state"
				postal_code: "some_zip"
				nonsenseKey: "rubbish"

		it 'should generate the correct xml', () ->
			result = @RecurlyWrapper._addressToXml @address
			should.equal(
				result,
				"""
				<billing_info>
				<address1>addr_one</address1>
				<address2 nil="nil">addr_two</address2>
				<country>some_country</country>
				<state>some_state</state>
				<zip>some_zip</zip>
				</billing_info>\n
				"""
			)

	describe 'createSubscription', ->

		beforeEach ->
			@user =
				_id: 'some_id'
				email: 'user@example.com'
			@subscriptionDetails =
				currencyCode: "EUR"
				plan_code:    "some_plan_code"
				coupon_code:  ""
				isPaypal: true
				address:
					address1: "addr_one"
					address2: "addr_two"
					country:  "some_country"
					state:    "some_state"
					zip:      "some_zip"
			@subscription = {}
			@recurly_token_id = "a-token-id"
			@call = (callback) =>
				@RecurlyWrapper.createSubscription(@user, @subscriptionDetails, @recurly_token_id, callback)


		describe 'when paypal', ->

			beforeEach ->
				@subscriptionDetails.isPaypal = true
				@_createPaypalSubscription = sinon.stub(@RecurlyWrapper, '_createPaypalSubscription')
				@_createPaypalSubscription.callsArgWith(3, null, @subscription)

			afterEach ->
				@_createPaypalSubscription.restore()

			it 'should not produce an error', (done) ->
				@call (err, sub) =>
					expect(err).to.equal null
					expect(err).to.not.be.instanceof Error
					done()

			it 'should produce a subscription object', (done) ->
				@call (err, sub) =>
					expect(sub).to.deep.equal @subscription
					done()

			it 'should call _createPaypalSubscription', (done) ->
				@call (err, sub) =>
					@_createPaypalSubscription.callCount.should.equal 1
					done()

			describe "when _createPaypalSubscription produces an error", ->

				beforeEach ->
					@_createPaypalSubscription.callsArgWith(3, new Error('woops'))

				it 'should produce an error', (done) ->
					@call (err, sub) =>
						expect(err).to.be.instanceof Error
						done()

		describe 'when not paypal', ->

			beforeEach ->
				@subscriptionDetails.isPaypal = false
				@_createCreditCardSubscription = sinon.stub(@RecurlyWrapper, '_createCreditCardSubscription')
				@_createCreditCardSubscription.callsArgWith(3, null, @subscription)

			afterEach ->
				@_createCreditCardSubscription.restore()

			it 'should not produce an error', (done) ->
				@call (err, sub) =>
					expect(err).to.equal null
					expect(err).to.not.be.instanceof Error
					done()

			it 'should produce a subscription object', (done) ->
				@call (err, sub) =>
					expect(sub).to.deep.equal @subscription
					done()

			it 'should call _createCreditCardSubscription', (done) ->
				@call (err, sub) =>
					@_createCreditCardSubscription.callCount.should.equal 1
					done()

			describe "when _createCreditCardSubscription produces an error", ->

				beforeEach ->
					@_createCreditCardSubscription.callsArgWith(3, new Error('woops'))

				it 'should produce an error', (done) ->
					@call (err, sub) =>
						expect(err).to.be.instanceof Error
						done()


	describe '_createCreditCardSubscription', ->

		beforeEach ->
			@user =
				_id: 'some_id'
				email: 'user@example.com'
			@subscriptionDetails =
				currencyCode: "EUR"
				plan_code:    "some_plan_code"
				coupon_code:  ""
				isPaypal: true
				address:
					address1: "addr_one"
					address2: "addr_two"
					country:  "some_country"
					state:    "some_state"
					zip:      "some_zip"
			@subscription = {}
			@recurly_token_id = "a-token-id"
			@apiRequest = sinon.stub(@RecurlyWrapper, 'apiRequest')
			@response =
				statusCode: 200
			@body = "<xml>is_bad</xml>"
			@apiRequest.callsArgWith(1, null, @response, @body)
			@_parseSubscriptionXml = sinon.stub(@RecurlyWrapper, '_parseSubscriptionXml')
			@_parseSubscriptionXml.callsArgWith(1, null, @subscription)
			@call = (callback) =>
				@RecurlyWrapper._createCreditCardSubscription(@user, @subscriptionDetails, @recurly_token_id, callback)

		afterEach ->
			@apiRequest.restore()
			@_parseSubscriptionXml.restore()

		it 'should not produce an error', (done) ->
			@call (err, sub) =>
				expect(err).to.not.be.instanceof Error
				expect(err).to.equal null
				done()

		it 'should produce a subscription', (done) ->
			@call (err, sub) =>
				expect(sub).to.equal @subscription
				done()

		it 'should call apiRequest', (done) ->
			@call (err, sub) =>
				@apiRequest.callCount.should.equal 1
				done()

		it 'should call _parseSubscriptionXml', (done) ->
			@call (err, sub) =>
				@_parseSubscriptionXml.callCount.should.equal 1
				done()

		describe 'when api request produces an error', ->

			beforeEach ->
				@apiRequest.callsArgWith(1, new Error('woops'))

			it 'should produce an error', (done) ->
				@call (err, sub) =>
					expect(err).to.be.instanceof Error
					done()

			it 'should call apiRequest', (done) ->
				@call (err, sub) =>
					@apiRequest.callCount.should.equal 1
					done()

			it 'should not _parseSubscriptionXml', (done) ->
				@call (err, sub) =>
					@_parseSubscriptionXml.callCount.should.equal 0
					done()

		describe 'when parse xml produces an error', ->

			beforeEach ->
				@_parseSubscriptionXml.callsArgWith(1, new Error('woops'))

			it 'should produce an error', (done) ->
				@call (err, sub) =>
					expect(err).to.be.instanceof Error
					done()

	describe '_createPaypalSubscription', ->

		beforeEach ->
			@checkAccountExists = sinon.stub(@RecurlyWrapper._paypal, 'checkAccountExists')
			@createAccount = sinon.stub(@RecurlyWrapper._paypal, 'createAccount')
			@createBillingInfo = sinon.stub(@RecurlyWrapper._paypal, 'createBillingInfo')
			@setAddress = sinon.stub(@RecurlyWrapper._paypal, 'setAddress')
			@createSubscription = sinon.stub(@RecurlyWrapper._paypal, 'createSubscription')
			@user =
				_id: 'some_id'
				email: 'user@example.com'
			@subscriptionDetails =
				currencyCode: "EUR"
				plan_code:    "some_plan_code"
				coupon_code:  ""
				isPaypal: true
				address:
					address1: "addr_one"
					address2: "addr_two"
					country:  "some_country"
					state:    "some_state"
					zip:      "some_zip"
			@subscription = {}
			@recurly_token_id = "a-token-id"

			# set up data callbacks
			user = @user
			subscriptionDetails = @subscriptionDetails
			recurly_token_id = @recurly_token_id

			@checkAccountExists.callsArgWith(1, null,
				{user, subscriptionDetails, recurly_token_id,
				userExists: false, account: {accountCode: 'xx'}}
			)
			@createAccount.callsArgWith(1, null,
				{user, subscriptionDetails, recurly_token_id,
				userExists: false, account: {accountCode: 'xx'}}
			)
			@createBillingInfo.callsArgWith(1, null,
				{user, subscriptionDetails, recurly_token_id,
				userExists: false, account: {accountCode: 'xx'}, billingInfo: {token_id: 'abc'}}
			)
			@setAddress.callsArgWith(1, null,
				{user, subscriptionDetails, recurly_token_id,
				userExists: false, account: {accountCode: 'xx'}, billingInfo: {token_id: 'abc'}}
			)
			@createSubscription.callsArgWith(1, null,
				{user, subscriptionDetails, recurly_token_id,
				userExists: false, account: {accountCode: 'xx'}, billingInfo: {token_id: 'abc'}, subscription: @subscription}
			)

			@call = (callback) =>
				@RecurlyWrapper._createPaypalSubscription @user, @subscriptionDetails, @recurly_token_id, callback

		afterEach ->
			@checkAccountExists.restore()
			@createAccount.restore()
			@createBillingInfo.restore()
			@setAddress.restore()
			@createSubscription.restore()

		it 'should not produce an error', (done) ->
			@call (err, sub) =>
				expect(err).to.not.be.instanceof Error
				done()

		it 'should produce a subscription object', (done) ->
			@call (err, sub) =>
				expect(sub).to.not.equal null
				expect(sub).to.equal @subscription
				done()

		it 'should call each of the paypal stages', (done) ->
			@call (err, sub) =>
				@checkAccountExists.callCount.should.equal 1
				@createAccount.callCount.should.equal 1
				@createBillingInfo.callCount.should.equal 1
				@setAddress.callCount.should.equal 1
				@createSubscription.callCount.should.equal 1
				done()

		describe 'when one of the paypal stages produces an error', ->

			beforeEach ->
				@createAccount.callsArgWith(1, new Error('woops'))

			it 'should produce an error', (done) ->
				@call (err, sub) =>
					expect(err).to.be.instanceof Error
					done()

			it 'should stop calling the paypal stages after the error', (done) ->
				@call (err, sub) =>
					@checkAccountExists.callCount.should.equal 1
					@createAccount.callCount.should.equal 1
					@createBillingInfo.callCount.should.equal 0
					@setAddress.callCount.should.equal 0
					@createSubscription.callCount.should.equal 0
					done()

	describe 'paypal actions', ->

		beforeEach ->
			@apiRequest = sinon.stub(@RecurlyWrapper, 'apiRequest')
			@_parseAccountXml = sinon.spy(@RecurlyWrapper, '_parseAccountXml')
			@_parseBillingInfoXml = sinon.spy(@RecurlyWrapper, '_parseBillingInfoXml')
			@_parseSubscriptionXml = sinon.spy(@RecurlyWrapper, '_parseSubscriptionXml')
			@cache =
				user: @user = {_id: 'some_id'}
				recurly_token_id: @recurly_token_id = "some_token"
				subscriptionDetails: @subscriptionDetails =
					currencyCode: "EUR"
					plan_code:    "some_plan_code"
					coupon_code:  ""
					isPaypal: true
					address:
						address1: "addr_one"
						address2: "addr_two"
						country:  "some_country"
						state:    "some_state"
						zip:      "some_zip"

		afterEach ->
			@apiRequest.restore()
			@_parseAccountXml.restore()
			@_parseBillingInfoXml.restore()
			@_parseSubscriptionXml.restore()

		describe '_paypal.checkAccountExists', ->

			beforeEach ->
				@call = (callback) =>
					@RecurlyWrapper._paypal.checkAccountExists @cache, callback

			describe 'when the account exists', ->

				beforeEach ->
					resultXml = '<account><account_code>abc</account_code></account>'
					@apiRequest.callsArgWith(1, null, {statusCode: 200}, resultXml)

				it 'should not produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.not.be.instanceof Error
						done()

				it 'should call apiRequest', (done) ->
					@call (err, result) =>
						@apiRequest.callCount.should.equal 1
						done()

				it 'should call _parseAccountXml', (done) ->
					@call (err, result) =>
						@RecurlyWrapper._parseAccountXml.callCount.should.equal 1
						done()

				it 'should add the account to the cumulative result', (done) ->
					@call (err, result) =>
						expect(result.account).to.not.equal null
						expect(result.account).to.not.equal undefined
						expect(result.account).to.deep.equal {
							account_code: 'abc'
						}
						done()

				it 'should set userExists to true', (done) ->
					@call (err, result) =>
						expect(result.userExists).to.equal true
						done()

			describe 'when the account does not exist', ->

				beforeEach ->
					@apiRequest.callsArgWith(1, null, {statusCode: 404}, '')

				it 'should not produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.not.be.instanceof Error
						done()

				it 'should call apiRequest', (done) ->
					@call (err, result) =>
						@apiRequest.callCount.should.equal 1
						@apiRequest.firstCall.args[0].method.should.equal 'GET'
						done()

				it 'should not call _parseAccountXml', (done) ->
					@call (err, result) =>
						@RecurlyWrapper._parseAccountXml.callCount.should.equal 0
						done()

				it 'should not add the account to result', (done) ->
					@call (err, result) =>
						expect(result.account).to.equal undefined
						done()

				it 'should set userExists to false', (done) ->
					@call (err, result) =>
						expect(result.userExists).to.equal false
						done()

			describe 'when apiRequest produces an error', ->

				beforeEach ->
					@apiRequest.callsArgWith(1, new Error('woops'), {statusCode: 500})

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()

		describe '_paypal.createAccount', ->

			beforeEach ->
				@call = (callback) =>
					@RecurlyWrapper._paypal.createAccount @cache, callback

			describe 'when address is missing from subscriptionDetails', ->

				beforeEach ->
					@cache.subscriptionDetails.address = null

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()

			describe 'when account already exists', ->

				beforeEach ->
					@cache.userExists = true
					@cache.account =
						account_code: 'abc'

				it 'should not produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.not.be.instanceof Error
						done()

				it 'should produce cache object', (done) ->
					@call (err, result) =>
						expect(result).to.deep.equal @cache
						expect(result.account).to.deep.equal {
							account_code: 'abc'
						}
						done()

				it 'should not call apiRequest', (done) ->
					@call (err, result) =>
						@apiRequest.callCount.should.equal 0
						done()

				it 'should not call _parseAccountXml', (done) ->
					@call (err, result) =>
						@RecurlyWrapper._parseAccountXml.callCount.should.equal 0
						done()

			describe 'when account does not exist', ->

				beforeEach ->
					@cache.userExists = false
					resultXml = '<account><account_code>abc</account_code></account>'
					@apiRequest.callsArgWith(1, null, {statusCode: 200}, resultXml)

				it 'should not produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.not.be.instanceof Error
						done()

				it 'should call apiRequest', (done) ->
					@call (err, result) =>
						@apiRequest.callCount.should.equal 1
						@apiRequest.firstCall.args[0].method.should.equal 'POST'
						done()

				it 'should call _parseAccountXml', (done) ->
					@call (err, result) =>
						@RecurlyWrapper._parseAccountXml.callCount.should.equal 1
						done()

				describe 'when apiRequest produces an error', ->

					beforeEach ->
						@apiRequest.callsArgWith(1, new Error('woops'), {statusCode: 500})

					it 'should produce an error', (done) ->
						@call (err, result) =>
							expect(err).to.be.instanceof Error
							done()

		describe '_paypal.createBillingInfo', ->

			beforeEach ->
				@cache.account =
					account_code: 'abc'
				@call = (callback) =>
					@RecurlyWrapper._paypal.createBillingInfo @cache, callback

			describe 'when account_code is missing from cache', ->

				beforeEach ->
					@cache.account.account_code = null

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()

			describe 'when all goes well', ->

				beforeEach ->
					resultXml = '<billing_info><a>1</a></billing_info>'
					@apiRequest.callsArgWith(1, null, {statusCode: 200}, resultXml)

				it 'should not produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.not.be.instanceof Error
						done()

				it 'should call apiRequest', (done) ->
					@call (err, result) =>
						@apiRequest.callCount.should.equal 1
						@apiRequest.firstCall.args[0].method.should.equal 'POST'
						done()

				it 'should call _parseBillingInfoXml', (done) ->
					@call (err, result) =>
						@RecurlyWrapper._parseBillingInfoXml.callCount.should.equal 1
						done()

				it 'should set billingInfo on cache', (done) ->
					@call (err, result) =>
						expect(result.billingInfo).to.deep.equal {
							a: "1"
						}
						done()

			describe 'when apiRequest produces an error', ->

				beforeEach ->
					@apiRequest.callsArgWith(1, new Error('woops'), {statusCode: 500})

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()

		describe '_paypal.setAddress', ->

			beforeEach ->
				@cache.account =
					account_code: 'abc'
				@cache.billingInfo = {}
				@call = (callback) =>
					@RecurlyWrapper._paypal.setAddress @cache, callback

			describe 'when account_code is missing from cache', ->

				beforeEach ->
					@cache.account.account_code = null

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()

			describe 'when address is missing from subscriptionDetails', ->

				beforeEach ->
					@cache.subscriptionDetails.address = null

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()

			describe 'when all goes well', ->

				beforeEach ->
					resultXml = '<billing_info><city>London</city></billing_info>'
					@apiRequest.callsArgWith(1, null, {statusCode: 200}, resultXml)

				it 'should not produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.not.be.instanceof Error
						done()

				it 'should call apiRequest', (done) ->
					@call (err, result) =>
						@apiRequest.callCount.should.equal 1
						@apiRequest.firstCall.args[0].method.should.equal 'PUT'
						done()

				it 'should call _parseBillingInfoXml', (done) ->
					@call (err, result) =>
						@RecurlyWrapper._parseBillingInfoXml.callCount.should.equal 1
						done()

				it 'should set billingInfo on cache', (done) ->
					@call (err, result) =>
						expect(result.billingInfo).to.deep.equal {
							city: 'London'
						}
						done()

			describe 'when apiRequest produces an error', ->

				beforeEach ->
					@apiRequest.callsArgWith(1, new Error('woops'), {statusCode: 500})

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()

		describe '_paypal.createSubscription', ->

			beforeEach ->
				@cache.account =
					account_code: 'abc'
				@cache.billingInfo = {}
				@call = (callback) =>
					@RecurlyWrapper._paypal.createSubscription @cache, callback

			describe 'when all goes well', ->

				beforeEach ->
					resultXml = '<subscription><a>1</a></subscription>'
					@apiRequest.callsArgWith(1, null, {statusCode: 200}, resultXml)

				it 'should not produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.not.be.instanceof Error
						done()

				it 'should call apiRequest', (done) ->
					@call (err, result) =>
						@apiRequest.callCount.should.equal 1
						@apiRequest.firstCall.args[0].method.should.equal 'POST'
						done()

				it 'should call _parseSubscriptionXml', (done) ->
					@call (err, result) =>
						@RecurlyWrapper._parseSubscriptionXml.callCount.should.equal 1
						done()

				it 'should set subscription on cache', (done) ->
					@call (err, result) =>
						expect(result.subscription).to.deep.equal {
							a: "1"
						}
						done()

			describe 'when apiRequest produces an error', ->

				beforeEach ->
					@apiRequest.callsArgWith(1, new Error('woops'), {statusCode: 500})

				it 'should produce an error', (done) ->
					@call (err, result) =>
						expect(err).to.be.instanceof Error
						done()