package engine

import (
	"errors"
	"testing"

	"vpnem/internal/config"
)

func TestModeRequiresExitIP(t *testing.T) {
	proxyMode := config.Mode{Name: "Full", Final: "proxy"}
	directMode := config.Mode{Name: "Combo", Final: "direct"}

	if !ModeRequiresExitIP(proxyMode) {
		t.Fatal("expected proxy-final mode to require exit IP")
	}
	if ModeRequiresExitIP(directMode) {
		t.Fatal("did not expect direct-final mode to require exit IP")
	}
}

func TestDeepCheckRequiresRestart(t *testing.T) {
	proxyMode := config.Mode{Name: "Full", Final: "proxy"}
	directMode := config.Mode{Name: "Combo", Final: "direct"}

	if !DeepCheckRequiresRestart(proxyMode, "", nil) {
		t.Fatal("expected proxy-final mode without exit IP to restart")
	}
	if DeepCheckRequiresRestart(proxyMode, "89.124.96.166", errors.New("probe failed")) {
		t.Fatal("did not expect proxy-final mode with exit IP to restart")
	}
	if !DeepCheckRequiresRestart(directMode, "", errors.New("probe failed")) {
		t.Fatal("expected direct-final mode with failed blocked probe to restart")
	}
	if DeepCheckRequiresRestart(directMode, "", nil) {
		t.Fatal("did not expect direct-final mode with successful blocked probe to restart")
	}
}