import {
  getDepartments,
  getProvinces,
  getDistricts,
  getByUbigeo,
} from "geo-peru";

// List all 25 departments
const departments = getDepartments();
// [{ code: "01", name: "Amazonas" }, ...]

// Provinces of a department (Lima = "14")
const provinces = getProvinces("14");
// [{ code: "1401", name: "Lima", departmentCode: "14" }, ...]

// All districts in the country
const districts = getDistricts();

// Districts of a province (Lima = "1401")
const limaDistricts = getDistricts("1401");

// Look up by ubigeo
const district = getByUbigeo("140101");
// {
//   ubigeo: "140101",
//   name: "Lima",
//   provinceCode: "1401",
//   departmentCode: "14",
//   area: 21.98,
//   lat: -12.0467,
//   lon: -77.0322
// }

interface Department {
  code: string; // "01"–"25"
  name: string;
}

interface Province {
  code: string;           // 4 digits: "0101"
  name: string;
  departmentCode: string; // 2 digits: "01"
}

interface District {
  ubigeo: string;         // 6 digits: "010101"
  name: string;
  provinceCode: string;   // 4 digits: "0101"
  departmentCode: string; // 2 digits: "01"
  area: number;           // km²
  lat: number;            // centroid latitude
  lon: number;            // centroid longitude
}

interface Location {
  department: string;
  province: string;
  district: string;
}

getLocation("150101");
// { department: "Loreto", province: "Maynas", district: "Iquitos" }