package prox5

import (
	"crypto/tls"
	"net/http"
	"sync"
	"time"
)

func (p5 *ProxyEngine) newHTTPClient() any {
	timeout := p5.GetServerTimeout()

	hc := &http.Client{
		Transport: &http.Transport{
			DialContext:     p5.DialContext,
			TLSClientConfig: &tls.Config{InsecureSkipVerify: p5.GetHTTPTLSVerificationStatus() == false}, //nolint:gosec
			// TLSHandshakeTimeout:   p5.GetServerTimeout(),
			DisableKeepAlives:  true,
			DisableCompression: false,
			// MaxIdleConnsPerHost:    5,
			// MaxConnsPerHost:        0,
			// IdleConnTimeout:        0,
			// ResponseHeaderTimeout:  0,
			// ExpectContinueTimeout:  0,
			// TLSNextProto:           nil,
			// ProxyConnectHeader:     nil,
			// GetProxyConnectHeader:  nil,
			// MaxResponseHeaderBytes: 0,
			// WriteBufferSize:        0,
			// ReadBufferSize:         0,
			// ForceAttemptHTTP2:      false,
		},
	}

	if timeout != time.Duration(0) {
		hc.Timeout = timeout
	}
	return hc
}

// GetHTTPClient retrieves a pointer to an http.Client powered by mysteryDialer.
func (p5 *ProxyEngine) GetHTTPClient() *http.Client {
	if p5.httpOptsDirty.Load() {
		p5.httpClients = &sync.Pool{
			New: p5.newHTTPClient,
		}
		p5.httpOptsDirty.Store(false)
	}
	return p5.httpClients.Get().(*http.Client)
}

// RoundTrip is Mr. WorldWide. Obviously. See: https://pkg.go.dev/net/http#RoundTripper
func (p5 *ProxyEngine) RoundTrip(req *http.Request) (*http.Response, error) {
	return p5.GetHTTPClient().Do(req)
}