package adminui

import (
	"strings"
	"testing"
)

func TestQrSVGEncodesAnEnrolmentLink(t *testing.T) {
	link := "echolot://enroll?v=1&u=https%3A%2F%2Ffmr.echo-lot.app&p=pin-sha256%3AzRV9qkiLnRexAeh4RrSfJzbPWO%2BU%2F2Oj2%2FNVM%2FKfXlg%3D&t=20e6ccaa2a028dc0aab16442c258d1b8eadb5794682905fe"
	out := string(qrSVG(link))
	if !strings.HasPrefix(out, "<svg") || !strings.Contains(out, "<path d=\"M") {
		t.Fatalf("expected an svg with a path, got %.80q", out)
	}
	// A quiet zone is part of the symbol; without it scanners cannot find its edges.
	if !strings.Contains(out, `fill="#fff"`) {
		t.Error("no light background rendered")
	}
}

func TestQrSVGEmptyForNoLink(t *testing.T) {
	if qrSVG("") != "" {
		t.Error("no link should render no code")
	}
}