//go:build windows

package main

import (
	"context"
	"fmt"
	"os"
	"os/exec"

	"golang.org/x/sys/windows"
)

const createNoWindow = 0x08000000

// newGitCmd crée une commande git sans fenêtre console.
func newGitCmd(ctx context.Context, args []string, cwd string) *exec.Cmd {
	cmd := exec.CommandContext(ctx, "git", args...)
	if cwd != "" {
		cmd.Dir = cwd
	}
	cmd.SysProcAttr = &windows.SysProcAttr{
		CreationFlags: createNoWindow,
	}
	return cmd
}

// relaunchAfterUpdate crée un batch qui attend 1s, relance l'exe et nettoie le .old.
func relaunchAfterUpdate(exePath string) {
	oldPath := exePath + ".old"
	batPath := exePath + "_update.bat"
	content := fmt.Sprintf(
		"@echo off\r\ntimeout /t 1 /nobreak >nul\r\nstart \"\" \"%s\"\r\ndel \"%s\" 2>nul\r\ndel \"%%~f0\"\r\n",
		exePath, oldPath,
	)
	os.WriteFile(batPath, []byte(content), 0644)
	cmd := exec.Command("cmd", "/c", batPath)
	cmd.SysProcAttr = &windows.SysProcAttr{CreationFlags: createNoWindow}
	cmd.Start()
}