//go:build windows

package client

import (
	"strings"
	"testing"
)

func TestPathTracerWindowsBuildWGConfigDefaults(t *testing.T) {
	conf := buildWGConfig("privkeyB64=", WGConfigPayload{
		LocalAddress: "10.66.0.2/24",
		ListenPort:   0,
		Peers: []WGPeerEntry{{
			PublicKey: "peerPub=",
			Endpoint:  "203.0.113.5:51820",
		}},
	})
	for _, want := range []string{
		"[Interface]",
		"PrivateKey = privkeyB64=",
		"Address = 10.66.0.2/24",
		"ListenPort = 51820",
		"[Peer]",
		"PublicKey = peerPub=",
		"Endpoint = 203.0.113.5:51820",
		"AllowedIPs = 0.0.0.0/0",
		"PersistentKeepalive = 25",
	} {
		if !strings.Contains(conf, want) {
			t.Errorf("config missing %q:\n%s", want, conf)
		}
	}
}

func TestPathTracerWindowsGenerateWGKeyPairDistinct(t *testing.T) {
	priv1, pub1, err := generateWGKeyPair()
	if err != nil {
		t.Fatalf("generateWGKeyPair: %v", err)
	}
	priv2, pub2, err := generateWGKeyPair()
	if err != nil {
		t.Fatalf("generateWGKeyPair second call: %v", err)
	}
	if priv1 == "" || pub1 == "" {
		t.Fatal("expected non-empty keypair")
	}
	if priv1 == priv2 || pub1 == pub2 {
		t.Fatal("expected distinct keypairs across calls")
	}
}

func TestPathTracerWindowsWGIsActiveFalseWhenIdle(t *testing.T) {
	WGTeardown()
	if WGIsActive() {
		t.Fatal("WGIsActive should be false with no tunnel")
	}
}

func TestPathTracerWindowsWGStatusNoTunnelWhenIdle(t *testing.T) {
	WGTeardown()
	status := WGStatus()
	if !strings.Contains(status, "no active tunnel") {
		t.Errorf("expected idle status, got %q", status)
	}
}