client = Mercadopago.new(System.fetch_env!("MERCADOPAGO_ACCESS_TOKEN"))

preference_data = %{
  payer: %{
    name: "John",
    surname: "Smith",
    email: System.fetch_env!("MERCADOPAGO_PAYER_EMAIL"),
    phone: %{
      area_code: "11",
      number: "999998888"
    },
    identification: %{
      type: "CPF",
      number: "12345678909"
    },
    address: %{
      zip_code: "01310-100",
      street_name: "Av. Paulista",
      street_number: 1000
    },
    date_created: "2024-01-01T00:00:00Z",
    authentication_type: "Gmail",
    is_prime_user: false,
    is_first_purchase_online: false,
    last_purchase: "2024-01-01T00:00:00Z",
    registration_date: "2023-01-01T00:00:00Z"
  },
  items: [
    %{
      id: "ITEM-001",
      title: "Flight SAO-RIO",
      description: "Round trip, economy class",
      category_id: "travels",
      picture_url: "https://example.com/img.jpg",
      quantity: 1,
      currency_id: "BRL",
      unit_price: 450.0,
      warranty: false,
      event_date: "2027-01-15T00:00:00.000-03:00",
      category_descriptor: %{
        passenger: %{
          first_name: "John",
          last_name: "Smith",
          identification: %{type: "CPF", number: "12345678909"}
        },
        route: %{
          departure: "SAO",
          destination: "RIO",
          departure_date_time: "2027-01-15T08:00:00.000-03:00",
          arrival_date_time: "2027-01-15T09:30:00.000-03:00",
          company: "LATAM"
        }
      }
    }
  ],
  shipments: %{
    mode: "custom",
    local_pickup: false,
    express_shipment: false,
    cost: 15.0,
    free_shipping: false,
    receiver_address: %{
      zip_code: "01310-100",
      street_name: "Av. Paulista",
      street_number: 1000,
      state_name: "Sao Paulo",
      city_name: "Sao Paulo",
      floor: "2",
      apartment: "A"
    }
  },
  back_urls: %{
    success: "https://example.com/success",
    failure: "https://example.com/failure",
    pending: "https://example.com/pending"
  },
  auto_return: "approved",
  external_reference: "MP0001",
  notification_url: "https://example.com/notifications",
  statement_descriptor: "MYSTORE"
}

{:ok, %{status: status, response: preference}} =
  Mercadopago.Preference.create(
    client,
    preference_data,
    custom_headers: %{"X-Idempotency-Key" => System.fetch_env!("MERCADOPAGO_IDEMPOTENCY_KEY")}
  )

IO.inspect(%{status: status, preference: preference})