# frozen_string_literal: true

require "rails_helper"

module DiscourseSubscriptions
  RSpec.describe HooksController do
    before { SiteSetting.discourse_subscriptions_webhook_secret = "zascharoo" }

    it "contructs a webhook event" do
      payload = "we-want-a-shrubbery"
      headers = { HTTP_STRIPE_SIGNATURE: "stripe-webhook-signature" }

      ::Stripe::Webhook
        .expects(:construct_event)
        .with("we-want-a-shrubbery", "stripe-webhook-signature", "zascharoo")
        .returns(type: "something")

      post "/s/hooks.json", params: payload, headers: headers

      expect(response.status).to eq 200
    end

    describe "event types" do
      let(:user) { Fabricate(:user) }
      let(:customer) do
        Fabricate(:customer, customer_id: "c_575768", product_id: "p_8654", user_id: user.id)
      end
      let(:group) { Fabricate(:group, name: "subscribers-group") }

      let(:event_data) do
        {
          object: {
            customer: customer.customer_id,
            plan: {
              product: customer.product_id,
              metadata: {
                group_name: group.name,
              },
            },
          },
        }
      end

      describe "customer.subscription.updated" do
        before do
          event = { type: "customer.subscription.updated", data: event_data }

          ::Stripe::Webhook.stubs(:construct_event).returns(event)
        end

        it "is successfull" do
          post "/s/hooks.json"
          expect(response.status).to eq 200
        end

        describe "completing the subscription" do
          it "does not add the user to the group" do
            event_data[:object][:status] = "incomplete"
            event_data[:previous_attributes] = { status: "incomplete" }

            expect { post "/s/hooks.json" }.not_to change { user.groups.count }

            expect(response.status).to eq 200
          end

          it "does not add the user to the group" do
            event_data[:object][:status] = "incomplete"
            event_data[:previous_attributes] = { status: "something-else" }

            expect { post "/s/hooks.json" }.not_to change { user.groups.count }

            expect(response.status).to eq 200
          end

          it "adds the user to the group when completing the transaction" do
            event_data[:object][:status] = "complete"
            event_data[:previous_attributes] = { status: "incomplete" }

            expect { post "/s/hooks.json" }.to change { user.groups.count }.by(1)

            expect(response.status).to eq 200
          end
        end
      end

      describe "customer.subscription.deleted" do
        before do
          event = { type: "customer.subscription.deleted", data: event_data }

          ::Stripe::Webhook.stubs(:construct_event).returns(event)

          group.add(user)
        end

        it "deletes the customer" do
          expect { post "/s/hooks.json" }.to change { DiscourseSubscriptions::Customer.count }.by(
            -1,
          )

          expect(response.status).to eq 200
        end

        it "removes the user from the group" do
          expect { post "/s/hooks.json" }.to change { user.groups.count }.by(-1)

          expect(response.status).to eq 200
        end
      end
    end
  end
end