require 'rails_helper'
require 'webmock/rspec'

RSpec.describe EjabberdManager::GetAvatar, type: :model do
  let(:user)  { create :user, cn: "willherschel", ou: "kosmos.org" }
  let(:img_base64) { File.read("#{Rails.root}/spec/fixtures/files/avatar-base64-png.txt").chomp }

  context "when no avatar is set yet" do
    before do
      stub_request(:post, "http://xmpp.example.com/api/get_vcard2")
        .with { |req| req.body == '{"user":"willherschel","host":"kosmos.org","name":"PHOTO","subname":"BINVAL"}' }
        .to_return(status: 400, body: "", headers: {})
    end

    it "returns nil" do
      res = described_class.call(user: user)
      expect(res).to be_nil
    end
  end

  context "when avatar exists" do
    before do
      stub_request(:post, "http://xmpp.example.com/api/get_vcard2")
        .with { |req| req.body == '{"user":"willherschel","host":"kosmos.org","name":"PHOTO","subname":"BINVAL"}' }
        .and_return(status: 200, body: { content: img_base64 }.to_json, headers: {})
      stub_request(:post, "http://xmpp.example.com/api/get_vcard2")
        .with { |req| req.body == '{"user":"willherschel","host":"kosmos.org","name":"PHOTO","subname":"TYPE"}' }
        .and_return(status: 200, body: { content: "image/png" }.to_json, headers: {})
    end

    it "fetches the avatar and content type" do
      res = described_class.call(user: user)
      expect(res[:img_base64]).to eq(img_base64)
      expect(res[:content_type]).to eq("image/png")
    end
  end
end