// This file is part of arduino-cli.
//
// Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
//
// This software is released under the GNU General Public License version 3,
// which covers the main part of arduino-cli.
// The terms of this license can be found at:
// https://www.gnu.org/licenses/gpl-3.0.en.html
//
// You can be released from the requirements of the above licenses by purchasing
// a commercial license. Buying such a license is mandatory if you want to
// modify or otherwise use the software for commercial activities involving the
// Arduino software without disclosing the source code of your own applications.
// To purchase a commercial license, send an email to license@arduino.cc.

package httpclient

import "net/http"

type httpClientRoundTripper struct {
	transport http.RoundTripper
	config    *Config
}

func newHTTPClientTransport(config *Config) http.RoundTripper {
	proxy := http.ProxyURL(config.Proxy)

	transport := &http.Transport{
		Proxy: proxy,
	}

	return &httpClientRoundTripper{
		transport: transport,
		config:    config,
	}
}

func (h *httpClientRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
	req.Header.Add("User-Agent", h.config.UserAgent)
	return h.transport.RoundTrip(req)
}