package fetch

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

type Fetch struct {
	process func(string, []byte) error
	client  *http.Client
	port    string
}

func New(port string, process func(string, []byte) error) (*Fetch, error) {
	return &Fetch{
		process: process,
		client:  &http.Client{},
		port:    port,
	}, nil
}

func (fetcher *Fetch) FetchProcess(url string) error {
	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return err
	}
	resp, err := fetcher.client.Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()
	b, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return err
	}
	if err := fetcher.process(url, b); err != nil {
		return err
	}
	return nil
}