package auth

import "testing"

func TestNormalizePhone(t *testing.T) {
	valid := []string{
		"+15551234567",
		"+442071234567",
		"+12345678",
		"+123456789012345",
	}
	for _, in := range valid {
		got, err := NormalizePhone(in)
		if err != nil {
			t.Errorf("NormalizePhone(%q) error: %v", in, err)
		}
		if got != in {
			t.Errorf("NormalizePhone(%q) = %q, want unchanged", in, got)
		}
	}

	invalid := []string{
		"",
		"15551234567",
		"+",
		"+1234567",
		"+1234567890123456",
		"+1555abc4567",
		"+1-555-123-4567",
		"+1555 1234567",
	}
	for _, in := range invalid {
		if _, err := NormalizePhone(in); err == nil {
			t.Errorf("NormalizePhone(%q) accepted an invalid number", in)
		}
	}

	if got, err := NormalizePhone("  +15551234567  "); err != nil || got != "+15551234567" {
		t.Errorf("NormalizePhone trimmed = %q err=%v", got, err)
	}
}

func TestNormalizeIdentifier(t *testing.T) {
	kind, value, err := NormalizeIdentifier("  User@Test.Local ")
	if err != nil || kind != IdentifierEmail || value != "user@test.local" {
		t.Fatalf("email identifier = %q/%q err=%v", kind, value, err)
	}

	kind, value, err = NormalizeIdentifier("+15551234567")
	if err != nil || kind != IdentifierPhone || value != "+15551234567" {
		t.Fatalf("phone identifier = %q/%q err=%v", kind, value, err)
	}

	if _, _, err := NormalizeIdentifier(""); err == nil {
		t.Errorf("empty identifier accepted")
	}
	if _, _, err := NormalizeIdentifier("no-at-sign"); err == nil {
		t.Errorf("non-phone identifier accepted")
	}
	if _, _, err := NormalizeIdentifier("@bad"); err == nil {
		t.Errorf("malformed email accepted")
	}
}