require 'spec_helper'

RSpec.describe TeslaApi::Client do
  subject(:tesla_api) { TeslaApi::Client.new(email: ENV['TESLA_EMAIL']) }

  it { is_expected.to be_a(TeslaApi::Client) }

  context 'password grant auth' do
    describe '#new' do
      it 'has no expiry date' do
        expect(tesla_api.access_token_expires_at).to eq(nil)
      end

      it 'has a expiry status set to true' do
        expect(tesla_api.expired?).to eq(true)
      end
    end

    describe '#login!', vcr: { 
      cassette_name: 'client-login', 
      match_requests_on: [
        :method, 
        VCR.request_matchers.uri_without_params(:code_challenge, :state)
      ] 
    } do
      it 'logs into the API' do
        tesla_api.login!(ENV['TESLA_PASS'])
        expect(a_request(:post, "https://#{URI.parse(TeslaApi::Client::BASE_URI).host}/oauth/token")).to have_been_made.once
      end

      it 'obtains a Bearer token' do
        tesla_api.login!(ENV['TESLA_PASS'])
        expect(tesla_api.access_token).to start_with('qts-')
      end

      it 'set a expiry date' do
        tesla_api.login!(ENV['TESLA_PASS'])
        expect(tesla_api.access_token_expires_at).to eq(Time.at(1612019326 + 3888000).to_datetime)
      end

      it 'obtains a refresh token' do
        tesla_api.login!(ENV['TESLA_PASS'])
        expect(tesla_api.refresh_token).to start_with('eyJ')
      end

      it 'expose expiry status' do
        tesla_api.login!(ENV['TESLA_PASS'])
        expect(tesla_api.expired?).to eq(false)
      end
    end
  end

  context 'token grant auth' do
    subject(:tesla_api) { TeslaApi::Client.new(
        access_token: access_token,
        access_token_expires_at: DateTime.now + 1,
        refresh_token: refresh_token
    ) }

    let(:access_token) { ENV['TESLA_ACCESS_TOKEN'] }
    let(:refresh_token) { ENV['TESLA_REFRESH_TOKEN'] }

    describe '#new' do
      it 'is not expired' do
        expect(tesla_api.expired?).to eq(false)
      end
    end

    describe '#refresh_access_token', vcr: {
      cassette_name: 'client-refresh', 
      match_requests_on: [
        :method, 
        VCR.request_matchers.uri_without_params(:code_challenge, :state)
      ] 
    } do
      it 'refreshes the access token' do
        tesla_api.refresh_access_token
        expect(tesla_api.access_token).not_to eq(access_token)
      end
    end
  end

  describe '#vehicles', vcr: {cassette_name: 'client-vehicles'} do
    it 'lists the vehicles on the account' do
      expect(tesla_api.vehicles).to include(TeslaApi::Vehicle)
    end
  end
end