require 'rails_helper'

RSpec.describe "Webhooks", type: :request do
  describe "Allowed IP addresses" do
    context "IP not allowed" do
      it "returns a 403 status" do
        post "/webhooks/lndhub"
        expect(response).to have_http_status(:forbidden)
      end
    end

    context "IP allowed" do
      before do
        ENV['WEBHOOKS_ALLOWED_IPS'] = '127.0.0.1'
      end

      it "does not return a 403 status" do
        post "/webhooks/lndhub"
        expect(response).not_to have_http_status(:forbidden)
      end
    end
  end

  # Webhooks from lndhub.go
  describe "/webhooks/lndhub" do
    before do
      ENV['WEBHOOKS_ALLOWED_IPS'] = '127.0.0.1'
    end

    describe "Payload cannot be processed as JSON" do
      before do
        post "/webhooks/lndhub", params: "Foo"
      end

      it "returns a 422 status" do
        expect(response).to have_http_status(:unprocessable_entity)
      end
    end

    describe "Valid payload for outgoing payment" do
      let(:payload) { JSON.parse(File.read(File.expand_path("../fixtures/lndhub/outgoing.json", File.dirname(__FILE__)))) }

      before do
        post "/webhooks/lndhub", params: payload.to_json
      end

      it "returns a 204 status" do
        expect(response).to have_http_status(:no_content)
      end
    end

    describe "Valid payload for incoming payment" do
      let(:user) { create :user, ln_account: "123456abcdef" }
      let(:payload) { JSON.parse(File.read(File.expand_path("../fixtures/lndhub/incoming.json", File.dirname(__FILE__)))) }

      before do
        user.save! #FIXME this should not be necessary
        post "/webhooks/lndhub", params: payload.to_json
      end

      it "returns a 200 status" do
        expect(response).to have_http_status(:ok)
      end

      it "sends an XMPP message to the account owner's JID" do
        expect(enqueued_jobs.size).to eq(1)

        msg = enqueued_jobs.first['arguments'].first
        expect(msg["type"]).to eq('normal')
        expect(msg["from"]).to eq('kosmos.org')
        expect(msg["to"]).to eq(user.address)
        expect(msg["subject"]).to eq('Sats received!')
        expect(msg["body"]).to match(/^12300 sats received/)
      end
    end
  end
end