package mesh

import (
	"strings"
	"testing"
)

func TestFabricTransportRejectsWebSocketTransport(t *testing.T) {
	for _, target := range []FabricTransportTarget{
		{Transport: "wss", Endpoint: "wss://node-a.example/fabric/session"},
		{Transport: "relay", Endpoint: "quic://node-r.example:19443"},
		{Transport: "outbound_reverse", Endpoint: "quic://node-b.example:19443"},
	} {
		_, _, err := FabricTransportForTarget(target, nil)
		if err == nil || !strings.Contains(err.Error(), "quic is required") {
			t.Fatalf("target = %+v err = %v, want quic-only rejection", target, err)
		}
	}
}

func TestFabricTransportForTargetSelectsQUICByScheme(t *testing.T) {
	transport, target, err := FabricTransportForTarget(FabricTransportTarget{
		Endpoint: "quic://127.0.0.1:4433",
	}, nil)
	if err != nil {
		t.Fatalf("select transport: %v", err)
	}
	if _, ok := transport.(*QUICFabricTransport); !ok {
		t.Fatalf("transport = %T, want QUIC", transport)
	}
	if target.Endpoint != "127.0.0.1:4433" {
		t.Fatalf("endpoint = %q", target.Endpoint)
	}
}

func TestFabricTransportForTargetRejectsNonQUICByDefault(t *testing.T) {
	_, target, err := FabricTransportForTarget(FabricTransportTarget{
		Endpoint: "https://node.example",
	}, nil)
	if err == nil {
		t.Fatal("non-QUIC target unexpectedly selected a transport")
	}
	if target.Endpoint != "https://node.example" {
		t.Fatalf("endpoint = %q", target.Endpoint)
	}
}