require 'rails_helper'

describe Agents::GoogleCalendarPublishAgent do
  let(:valid_params) do
    {
      'expected_update_period_in_days' => "10",
      'calendar_id' => calendar_id,
      'google' => {
        'key_file' => File.dirname(__FILE__) + '/../../data_fixtures/private.key',
        'key_secret' => 'notasecret',
        'service_account_email' => '1029936966326-ncjd7776pcspc98hsg82gsb56t3217ef@developer.gserviceaccount.com'
      }
    }
  end

  let(:agent) do
    _agent = Agents::GoogleCalendarPublishAgent.new(name: "somename", options: valid_params)
    _agent.user = users(:jane)
    _agent.save!
    _agent
  end

  describe '#receive' do
    let(:message) do
      {
        'visibility' => 'default',
        'summary' => "Awesome event",
        'description' => "An example event with text. Pro tip: DateTimes are in RFC3339",
        'end' => {
          'date_time' => '2014-10-02T11:00:00-05:00'
        },
        'start' => {
          'date_time' => '2014-10-02T10:00:00-05:00'
        }
      }
    end

    let(:event) do
      _event = Event.new
      _event.agent = agents(:bob_manual_event_agent)
      _event.payload = { 'message' => message }
      _event.save!
      _event
    end

    let(:calendar_id) { 'sqv39gj35tc837gdns1g4d81cg@group.calendar.google.com' }

    let(:response_hash) do
      {"kind"=>"calendar#event",
        "etag"=>"\"2908684044040000\"",
        "id"=>"baz",
        "status"=>"confirmed",
        "html_link"=>
          "https://calendar.google.com/calendar/event?eid=foobar",
        "created"=>"2016-02-01T15:53:41.000Z",
        "updated"=>"2016-02-01T15:53:42.020Z",
        "summary"=>"Awesome event",
        "description"=>
          "An example event with text. Pro tip: DateTimes are in RFC3339",
        "creator"=>
          {"email"=>
            "blah-foobar@developer.gserviceaccount.com"},
        "organizer"=>
          {"email"=>calendar_id,
            "display_name"=>"Huginn Location Log",
            "self"=>true},
        "start"=>{"date_time"=>"2014-10-03T00:30:00+09:30"},
        "end"=>{"date_time"=>"2014-10-03T01:30:00+09:30"},
        "i_cal_uid"=>"blah@google.com",
        "sequence"=>0,
        "reminders"=>{"use_default"=>true}
      }
    end

    def setup_mock!
      fake_interface = Object.new
      expect(GoogleCalendar).to receive(:new).with(agent.interpolate_options(agent.options), Rails.logger) { fake_interface }
      expect(fake_interface).to receive(:publish_as).with(calendar_id, message) { response_hash }
      expect(fake_interface).to receive(:cleanup!)
    end

    describe 'when the calendar_id is in the options' do
      it 'should publish any payload it receives' do
        setup_mock!

        expect {
          agent.receive([event])
        }.to change { agent.events.count }.by(1)

        expect(agent.events.last.payload).to eq({ "success" => true, "published_calendar_event" => response_hash, "agent_id" => event.agent_id, "event_id" => event.id })
      end
    end

    describe 'with Liquid templating' do
      it 'should allow Liquid in the calendar_id' do
        setup_mock!

        agent.options['calendar_id'] = '{{ cal_id }}'
        agent.save!

        event.payload['cal_id'] = calendar_id
        event.save!

        agent.receive([event])

        expect(agent.events.count).to eq(1)
        expect(agent.events.last.payload).to eq({ "success" => true, "published_calendar_event" => response_hash, "agent_id" => event.agent_id, "event_id" => event.id })
      end

      it 'should allow Liquid in the key' do
        agent.options['google'].delete('key_file')
        agent.options['google']['key'] = '{% credential google_key %}'
        agent.save!

        users(:jane).user_credentials.create! credential_name: 'google_key', credential_value: 'something'

        agent.reload

        setup_mock!

        agent.receive([event])

        expect(agent.events.count).to eq(1)
      end
    end
  end

  describe '#receive old style event' do
    let(:event) do
      _event = Event.new
      _event.agent = agents(:bob_manual_event_agent)
      _event.payload = { 'message' => {
        'visibility' => 'default',
        'summary' => "Awesome event",
        'description' => "An example event with text. Pro tip: DateTimes are in RFC3339",
        'end' => {
          'dateTime' => '2014-10-02T11:00:00-05:00'
        },
        'start' => {
          'dateTime' => '2014-10-02T10:00:00-05:00'
        }
      } }
      _event.save!
      _event
    end

    let(:calendar_id) { 'sqv39gj35tc837gdns1g4d81cg@group.calendar.google.com' }
    let(:message) do
      {
        'visibility' => 'default',
        'summary' => "Awesome event",
        'description' => "An example event with text. Pro tip: DateTimes are in RFC3339",
        'end' => {
          'date_time' => '2014-10-02T11:00:00-05:00'
        },
        'start' => {
          'date_time' => '2014-10-02T10:00:00-05:00'
        }
      }
    end

    let(:response_hash) do
      {"kind"=>"calendar#event",
        "etag"=>"\"2908684044040000\"",
        "id"=>"baz",
        "status"=>"confirmed",
        "html_link"=>
          "https://calendar.google.com/calendar/event?eid=foobar",
        "created"=>"2016-02-01T15:53:41.000Z",
        "updated"=>"2016-02-01T15:53:42.020Z",
        "summary"=>"Awesome event",
        "description"=>
          "An example event with text. Pro tip: DateTimes are in RFC3339",
        "creator"=>
          {"email"=>
            "blah-foobar@developer.gserviceaccount.com"},
        "organizer"=>
          {"email"=>calendar_id,
            "display_name"=>"Huginn Location Log",
            "self"=>true},
        "start"=>{"date_time"=>"2014-10-03T00:30:00+09:30"},
        "end"=>{"date_time"=>"2014-10-03T01:30:00+09:30"},
        "i_cal_uid"=>"blah@google.com",
        "sequence"=>0,
        "reminders"=>{"use_default"=>true}
      }
    end

    def setup_mock!
      fake_interface = Object.new
      expect(GoogleCalendar).to receive(:new).with(agent.interpolate_options(agent.options), Rails.logger) { fake_interface }
      expect(fake_interface).to receive(:publish_as).with(calendar_id, message) { response_hash }
      expect(fake_interface).to receive(:cleanup!)
    end

    describe 'when the calendar_id is in the options' do
      it 'should publish old style payload it receives' do
        setup_mock!

        expect {
          agent.receive([event])
        }.to change { agent.events.count }.by(1)

        expect(agent.events.last.payload).to eq({ "success" => true, "published_calendar_event" => response_hash, "agent_id" => event.agent_id, "event_id" => event.id })
      end
    end
  end
end