package checker

import "testing"

func TestParseURI(t *testing.T) {
	cases := []struct {
		in        string
		host      string
		port      uint16
		transport Transport
		secure    bool
		isTURN    bool
		wantErr   bool
	}{
		{"stun:turn.example.com", "turn.example.com", 3478, TransportUDP, false, false, false},
		{"stun:turn.example.com:3478", "turn.example.com", 3478, TransportUDP, false, false, false},
		{"stuns:turn.example.com:5349", "turn.example.com", 5349, TransportTLS, true, false, false},
		{"turn:turn.example.com:3478?transport=udp", "turn.example.com", 3478, TransportUDP, false, true, false},
		{"turn:turn.example.com:3478?transport=tcp", "turn.example.com", 3478, TransportTCP, false, true, false},
		{"turns:turn.example.com:5349?transport=tcp", "turn.example.com", 5349, TransportTLS, true, true, false},
		{"turns:turn.example.com?transport=dtls", "turn.example.com", 5349, TransportDTLS, true, true, false},
		{"http://example.com", "", 0, "", false, false, true},
		{"stun:", "", 0, "", false, false, true},
	}
	for _, tc := range cases {
		ep, err := parseURI(tc.in)
		if tc.wantErr {
			if err == nil {
				t.Errorf("%q: expected error, got nil", tc.in)
			}
			continue
		}
		if err != nil {
			t.Errorf("%q: unexpected error: %v", tc.in, err)
			continue
		}
		if ep.Host != tc.host || ep.Port != tc.port || ep.Transport != tc.transport ||
			ep.Secure != tc.secure || ep.IsTURN != tc.isTURN {
			t.Errorf("%q: got %+v, want host=%s port=%d transport=%s secure=%v isTURN=%v",
				tc.in, ep, tc.host, tc.port, tc.transport, tc.secure, tc.isTURN)
		}
	}
}

func TestParseTransports(t *testing.T) {
	got := parseTransports("udp, TLS ,dtls")
	want := []Transport{TransportUDP, TransportTLS, TransportDTLS}
	if len(got) != len(want) {
		t.Fatalf("got %v want %v", got, want)
	}
	for i := range got {
		if got[i] != want[i] {
			t.Fatalf("index %d: got %s want %s", i, got[i], want[i])
		}
	}
}

func TestRestAPICredentials(t *testing.T) {
	c := restAPICredentials("topsecret", "alice", "example.com", 0)
	if c.Username == "" || c.Password == "" {
		t.Fatalf("empty creds: %+v", c)
	}
	if c.Realm != "example.com" {
		t.Fatalf("realm mismatch: %s", c.Realm)
	}
}