package hmm

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

// Lines returns a chan containing one line of output from the remote url.
//
// Lines closes the internal chan after it's fetched all bytes. Errors are not
// propagated.
func Lines(url string) <-chan string {
	r := make(chan string)

	go func() {
		defer close(r)
		resp, err := http.Get(url)
		if err != nil {
			return
		}
		s := bufio.NewScanner(resp.Body)
		for s.Scan() {
			r <- s.Text()
		}
		// ignore errors
		// if resp.StatusCode != http.StatusOK {}
		io.Copy(ioutil.Discard, resp.Body)
		resp.Body.Close()
	}()

	return r
}