package http

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

	"github.com/Shugyousha/stasher/filter"
	"github.com/Shugyousha/stasher/registry"
	"github.com/Shugyousha/stasher/work"
)

func init() {
	registry.Filterregistry["http"] = New
}

type HTTPFilter struct {
	url string
}

func New(kv map[string]string) filter.Filter {
	url := kv["url"]
	return &HTTPFilter{url: url}
}

func (hf *HTTPFilter) Filter(w *work.Work) *work.Work {
	resp, err := http.Post(hf.url, "application/json", bytes.NewReader(w.Data))
	if err != nil {
		w.Err = err
		return w
	}
	defer resp.Body.Close()

	filtered, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		w.Err = err
		return w
	}

	w.Data = filtered
	return w
}