package heliumapi

import (
	"fmt"
	"io/ioutil"
	"net/http"
)

const (
	apiUrl = "https://api.helium.io"
)

var (
	client = &http.Client{}
)

func getHeliumApi(path string, params *map[string]string) ([]byte, error) {
	req, err := http.NewRequest("GET", fmt.Sprintf("%s/%s", apiUrl, path), nil)

	// setup headers
	req.Header.Add("Accept", "application/json")

	// setup query param if there are any
	if params != nil {
		query := req.URL.Query()
		for k, v := range *params {
			query.Add(k, v)
		}
		if err != nil {
			return nil, err
		}
		req.URL.RawQuery = query.Encode()
	}

	// query the api
	resp, err := client.Do(req)
	if err != nil {
		return nil, fmt.Errorf("failed to query path %v: %v", path, err)
	}
	defer resp.Body.Close()

	// read the response body
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return nil, fmt.Errorf("failed to read response body of path %v: %v", path, err)
	}

	return body, nil
}

func getHeliumApiWithCursor(path string, params *map[string]string) ([]byte, error) {
	return nil, nil
}