module GdsApi::TestHelpers::Calendars

def stub_calendars_has_bank_holidays_on(dates, in_division: nil)
  events = dates.map.with_index do |date, idx|
    {
      title: "Caturday #{idx}!",
      date: date.to_date.iso8601,
      notes: "Y'know, for cats!",
      bunting: true
    }
  end
  response =
    if in_division.nil?
      {
        'england-and-wales' => {
          division: 'england-and-wales',
          events: events
        },
        'scotland' => {
          division: 'scotland',
          events: events
        },
        'northern-ireland' => {
          division: 'northern-ireland',
          events: events
        }
      }
    else
      {
        division: in_division,
        events: events
      }
    end
  stub_request(:get, calendars_endpoint(in_division: in_division))
    .to_return(body: response.to_json, status: 200)
end