package domain

import (
	"errors"
	"path/filepath"
	"testing"
)

func TestLaunchSpecNormalizeCanonicalizesSafeFields(t *testing.T) {
	profile := filepath.Join(t.TempDir(), "profile")
	normalized, err := (LaunchSpec{
		Kind:             BrowserChrome,
		Executable:       "  chrome.exe  ",
		UserDataDir:      profile + string(filepath.Separator),
		ProfileDirectory: " Default ",
		TargetURL:        " https://example.com/path ",
		ExtraArgs:        []string{"--no-first-run"},
	}).Normalize()
	if err != nil {
		t.Fatalf("Normalize() error = %v", err)
	}
	if normalized.Executable != "chrome.exe" || normalized.UserDataDir != filepath.Clean(profile) || normalized.ProfileDirectory != "Default" || normalized.TargetURL != "https://example.com/path" {
		t.Fatalf("normalized spec = %#v", normalized)
	}
	normalized.ExtraArgs[0] = "changed"
	if normalized.ExtraArgs[0] == "" {
		t.Fatal("extra args unexpectedly empty")
	}
}

func TestLaunchSpecNormalizeRejectsUnsafeValues(t *testing.T) {
	base := LaunchSpec{Kind: BrowserEdge, UserDataDir: filepath.Join(t.TempDir(), "profile"), TargetURL: "https://example.com"}
	cases := []LaunchSpec{
		{UserDataDir: base.UserDataDir, TargetURL: base.TargetURL},
		{Kind: base.Kind, UserDataDir: "relative", TargetURL: base.TargetURL},
		{Kind: base.Kind, UserDataDir: base.UserDataDir, TargetURL: "file:///tmp/test"},
		{Kind: base.Kind, UserDataDir: base.UserDataDir, TargetURL: "https://user@example.com"},
	}
	for i, spec := range cases {
		if _, err := spec.Normalize(); !errors.Is(err, ErrInvalidLaunchSpec) {
			t.Errorf("case %d error = %v, want ErrInvalidLaunchSpec", i, err)
		}
	}
}

func TestLaunchSpecNormalizeAllowsAnEmptyTargetURL(t *testing.T) {
	profile := filepath.Join(t.TempDir(), "profile")
	normalized, err := (LaunchSpec{Kind: BrowserChrome, UserDataDir: profile}).Normalize()
	if err != nil {
		t.Fatal(err)
	}
	if normalized.TargetURL != "" {
		t.Fatalf("target URL = %q, want empty", normalized.TargetURL)
	}
}

func TestLaunchSpecNormalizeRejectsInvalidRemoteDebugPort(t *testing.T) {
	profile := filepath.Join(t.TempDir(), "profile")
	for _, port := range []int{1, MinRemoteDebugPort - 1, MaxRemoteDebugPort + 1} {
		_, err := (LaunchSpec{Kind: BrowserChrome, UserDataDir: profile, RemoteDebugPort: port}).Normalize()
		if !errors.Is(err, ErrInvalidLaunchSpec) {
			t.Errorf("port %d error = %v", port, err)
		}
	}
}

func TestNormalizeProxyServerCanonicalizesAndRejectsCredentials(t *testing.T) {
	got, err := NormalizeProxyServer(" HTTPS://Proxy.Local:8443 ")
	if err != nil || got != "https://proxy.local:8443" {
		t.Fatalf("NormalizeProxyServer() = %q, %v", got, err)
	}
	for _, value := range []string{
		"http://user:secret@127.0.0.1:8080",
		"http://127.0.0.1:8080/path",
		"ftp://127.0.0.1:21",
		"socks5://127.0.0.1:70000",
	} {
		if _, err := NormalizeProxyServer(value); !errors.Is(err, ErrInvalidLaunchSpec) {
			t.Errorf("NormalizeProxyServer(%q) error = %v", value, err)
		}
	}
}