package geoflag

import "testing"

func TestFromText(t *testing.T) {
	cases := []struct {
		in, cc string
	}{
		{"DE-Frankfurt-1", "DE"},
		{"[NL] Amsterdam", "NL"},
		{"🇺🇸 US West", "US"},
		{"Germany Hetzner", "DE"},
		{"unknown-node", ""},
		// Russian country names.
		{"Германия-1", "DE"},
		{"Нидерланды Fast", "NL"},
		{"Сервер Швейцария", "CH"},
		{"США восток", "US"},
		{"Великобритания", "GB"},
		// City → country hints.
		{"Frankfurt-Hetzner", "DE"},
		{"Амстердам 2", "NL"},
		{"node-helsinki", "FI"},
		// Names from live Remnawave subscription (emoji comes first).
		{"🇨🇿 Czech Republic Vless", "CZ"},
		{"🇳🇴 Norway TR+WS", "NO"},
		{"🇩🇪 Germany 3 HY", "DE"},
		// Panel-side typos seen in production.
		{"Румьиня", "RO"},
		{"Румыня-2", "RO"},
		{"Румяння", "RO"},
		{"Румяння — оптимальный", "RO"},
		{"Румьиния", "RO"},
		{"Румьиния Fast", "RO"},
		{"румыниа", "RO"},
		{"Румыния", "RO"},
	}
	for _, c := range cases {
		cc, emoji := FromText(c.in)
		if cc != c.cc {
			t.Fatalf("%q: got cc %q want %q", c.in, cc, c.cc)
		}
		if c.cc != "" && emoji == "" {
			t.Fatalf("%q: empty emoji", c.in)
		}
	}
}