package geocode

import (
	"encoding/json"
	"fmt"
	"net/http"
	"net/url"

	"github.com/paulmach/orb/geojson"
)

const (
	PELIAS_AUTOCOMPLETE_ENDPOINT = "/v1/autocomplete"
)

type PeliasHandler struct {
	BaseURL string
}

func NewPeliasHandler(baseUrl string) (PeliasHandler, error) {
	return PeliasHandler{
		BaseURL: baseUrl,
	}, nil
}

func (h PeliasHandler) Autocomplete(text string) (*geojson.FeatureCollection, error) {
	url := fmt.Sprintf("%s%s?text=%s", h.BaseURL, PELIAS_AUTOCOMPLETE_ENDPOINT, url.QueryEscape(text))

	resp, err := http.Get(url)
	if err != nil {
		return nil, err
	}

	fc := geojson.NewFeatureCollection()

	if err = json.NewDecoder(resp.Body).Decode(&fc); err != nil {
		return nil, err
	}

	return fc, nil
}