package nostr

import (
	"strings"
	"testing"
)

func TestNormalizePubkey_Hex(t *testing.T) {
	hex := "0e8c41ebcd55a8d8db2e0a8c3a4b9c5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c"
	got, err := NormalizePubkey(hex)
	if err != nil {
		t.Fatalf("unexpected err: %v", err)
	}
	if got != strings.ToLower(hex) {
		t.Fatalf("got %q want %q", got, hex)
	}
}

func TestNormalizePubkey_BadInput(t *testing.T) {
	cases := []string{"", "abc", "not-an-npub", "npub1invalid", strings.Repeat("z", 64)}
	for _, c := range cases {
		if _, err := NormalizePubkey(c); err == nil {
			t.Errorf("expected error for %q", c)
		}
	}
}

func TestNormalizePubkey_NpubRoundtrip(t *testing.T) {
	hex := "0e8c41ebcd55a8d8db2e0a8c3a4b9c5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c"
	npub := HexToNpub(hex)
	if npub == "" || !strings.HasPrefix(npub, "npub1") {
		t.Fatalf("HexToNpub failed: %q", npub)
	}
	got, err := NormalizePubkey(npub)
	if err != nil {
		t.Fatalf("decode npub: %v", err)
	}
	if got != hex {
		t.Fatalf("roundtrip got %q want %q", got, hex)
	}
}