//go:build windows

package main

import (
	"fmt"
	"os"
	"os/exec"
	"path/filepath"
	"strings"

	"github.com/VeraeLLC/PrintToVeraeTimeStamp/internal/vlog"
)

func exeDir() string {
	exe, err := os.Executable()
	if err != nil {
		return "."
	}
	return filepath.Dir(exe)
}

// notifyUser: best-effort balloon via PowerShell (no extra deps). Always logs.
func notifyUser(title, body string) {
	vlog.Printf("notify: %s — %s", title, body)
	if os.Getenv("VERAE_NO_NOTIFY") == "1" {
		return
	}
	esc := func(s string) string { return strings.ReplaceAll(s, "'", "''") }
	ps := fmt.Sprintf(`Add-Type -AssemblyName System.Windows.Forms;$n=New-Object System.Windows.Forms.NotifyIcon;$n.Icon=[System.Drawing.SystemIcons]::Information;$n.Visible=$true;$n.ShowBalloonTip(8000,'%s','%s',[System.Windows.Forms.ToolTipIcon]::Info);Start-Sleep 9;$n.Dispose()`, esc(title), esc(body))
	cmd := exec.Command("powershell.exe", "-NoProfile", "-WindowStyle", "Hidden", "-Command", ps)
	hideWindow(cmd)
	_ = cmd.Start()
}

func notify(title, subtitle string) { notifyUser(title, subtitle) }

func openFolderPath(p string) { _ = exec.Command("explorer.exe", p).Start() }

func runInstallPrinterWindows() int {
	script := filepath.Join(exeDir(), "..", "scripts", "install-printer.ps1")
	ps := filepath.Join(os.Getenv("WINDIR"), "System32", "WindowsPowerShell", "v1.0", "powershell.exe")
	cmd := exec.Command(ps, "-NoProfile", "-ExecutionPolicy", "Bypass", "-File", script)
	cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
	if err := cmd.Run(); err != nil {
		fmt.Fprintf(os.Stderr, "install-printer failed: %v (run elevated; see %s)\n", err, vlog.Dir())
		return 1
	}
	return 0
}

func debugFromRegistry() bool {
	out, err := exec.Command("reg.exe", "query", `HKLM\Software\Verae\PrintStamp`, "/v", "Debug").Output()
	return err == nil && strings.Contains(string(out), "0x1")
}