package identityprovider

import (
	"net/http"
	"testing"

	"vpn-platform/backend/internal/tlsservice"
)

func TestIssuerHTTPPublicBase(t *testing.T) {
	t.Setenv("VPN_TLS_DOMAIN", "")
	t.Setenv("VPN_TLS_SCHEME", "")
	t.Setenv("VPN_TLS_PORT", "")
	t.Setenv("VPN_TLS_MODE", "")
	dir := t.TempDir()
	if err := tlsservice.ConfigureMode(dir, "nginx"); err != nil {
		t.Fatal(err)
	}
	if err := tlsservice.ConfigurePublicEntry(dir, "http", "vpn.example.com", 8080); err != nil {
		t.Fatal(err)
	}
	t.Setenv("VPN_TLS_HTTP_ADDR", "127.0.0.1:0")
	t.Setenv("VPN_TLS_HTTPS_ADDR", "127.0.0.1:0")
	if err := tlsservice.Start(http.NotFoundHandler(), dir); err != nil {
		t.Fatal(err)
	}
	base, err := issuer()
	if err != nil {
		t.Fatal(err)
	}
	if base != "http://vpn.example.com:8080/id" {
		t.Fatalf("issuer = %q", base)
	}
}

func TestIssuerHTTPSOmitsDefaultPort(t *testing.T) {
	// PublicBaseURL unit coverage is primary; here ensure issuer refuses https without Valid cert.
	t.Setenv("VPN_TLS_DOMAIN", "")
	t.Setenv("VPN_TLS_SCHEME", "")
	t.Setenv("VPN_TLS_PORT", "")
	t.Setenv("VPN_TLS_MODE", "")
	dir := t.TempDir()
	if err := tlsservice.ConfigureMode(dir, "nginx"); err != nil {
		t.Fatal(err)
	}
	if err := tlsservice.ConfigurePublicEntry(dir, "https", "vpn.example.com", 0); err != nil {
		t.Fatal(err)
	}
	t.Setenv("VPN_TLS_HTTP_ADDR", "127.0.0.1:0")
	t.Setenv("VPN_TLS_HTTPS_ADDR", "127.0.0.1:0")
	if err := tlsservice.Start(http.NotFoundHandler(), dir); err != nil {
		t.Fatal(err)
	}
	if _, err := issuer(); err == nil {
		t.Fatal("https issuer must require Valid certificate")
	}
}