module GdsApi::TestHelpers::Mapit

def mapit_has_a_postcode_and_areas(postcode, coords, areas)
  response = {
    "wgs84_lat" => coords.first,
    "wgs84_lon" => coords.last,
    "postcode"  => postcode
  }
  area_response = Hash[areas.map.with_index {|area, i|
    [i, {
      'codes' => {
        'ons' => area['ons'],
        'gss' => area['gss'],
        'govuk_slug' => area['govuk_slug']
      },
      'name' => area['name'],
      'type' => area['type']
    }]
  }]
  stub_request(:get, "#{MAPIT_ENDPOINT}/postcode/" + postcode.tr(' ', '+') + ".json")
    .to_return(body: response.merge('areas' => area_response).to_json, status: 200)
  stub_request(:get, "#{MAPIT_ENDPOINT}/postcode/partial/" + postcode.split(' ').first + ".json")
    .to_return(body: response.to_json, status: 200)
end