module GdsApi::TestHelpers::Calendars

def calendars_endpoint(in_division: nil)
  endpoint = "#{Plek.new.website_root}/bank-holidays"
  endpoint += "/#{in_division}" unless in_division.nil?
  "#{endpoint}.json"
end

def stub_calendars_has_a_bank_holiday_on(date, in_division: nil)
  stub_calendars_has_bank_holidays_on([date], in_division:)
end

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:,
        },
        "scotland" => {
          division: "scotland",
          events:,
        },
        "northern-ireland" => {
          division: "northern-ireland",
          events:,
        },
      }
    else
      {
        division: in_division,
        events:,
      }
    end
  stub_request(:get, calendars_endpoint(in_division:))
    .to_return(body: response.to_json, status: 200)
end

def stub_calendars_has_no_bank_holidays(in_division: nil)
  stub_calendars_has_bank_holidays_on([], in_division:)
end