package verify

import (
	"net/http"
	"net/http/httputil"
	"net/url"
	"time"

	"edge-infra.dev/pkg/lib/logging"
)

// This reverse proxy is need to route calls that are made within the pod to localhost:8080 to touchpoint provider.
// As localhost:8080 isnt know within the pod.
func reverseproxy() {
	logger := logging.NewLogger()

	target, err := url.Parse(InClusterIssuerURL())
	if err != nil {
		logger.Error(err, "Error parsing in cluster url")
	}

	proxy := httputil.NewSingleHostReverseProxy(target)

	go func() {
		// Create a custom server with a reverse proxy handler
		server := &http.Server{
			Addr:              ":8080",
			ReadHeaderTimeout: 2 * time.Second,
			ReadTimeout:       2 * time.Second,
			Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				r.URL.Host = target.Host
				r.URL.Scheme = target.Scheme
				r.Header.Set("X-Forwarded-Host", r.Header.Get("Host"))
				r.Host = target.Host

				proxy.ServeHTTP(w, r)
			}),
		}

		logger.Info("Starting reverse proxy server on :8080")
		err = server.ListenAndServe()
		if err != nil {
			logger.Error(err, "Error starting reverse proxy server")
		}
	}()
}