# gper-core.psm1 — Личный модуль функций gper
# Версия: 1.0.0
# Дата: 2026-07-21

# ============================================================
# WOL — Wake-On-LAN
# ============================================================
function Send-WakeOnLan {
    <#
    .SYNOPSIS Отправить магический пакет WOL по MAC-адресу.
    .EXAMPLE  Send-WakeOnLan -MacAddress 'BC:24:11:AA:BB:CC'
    #>
    [CmdletBinding()]
    param(
        [Parameter(Mandatory, Position = 0)]
        [ValidatePattern('^([0-9A-Fa-f]{2}[:\-]){5}[0-9A-Fa-f]{2}$')]
        [string]$MacAddress,

        [string]$BroadcastAddress = '255.255.255.255',
        [int]$Port = 9
    )

    $mac    = $MacAddress -replace '[:\-]', ''
    $bytes  = [byte[]](@(0xFF) * 6 + ($mac -split '(..)' | Where-Object { $_ } | ForEach-Object { [Convert]::ToByte($_, 16) }) * 16)
    $udp    = [System.Net.Sockets.UdpClient]::new()
    $udp.Connect($BroadcastAddress, $Port)
    $udp.Send($bytes, $bytes.Length) | Out-Null
    $udp.Close()
    Write-Host "WOL → $MacAddress" -ForegroundColor Green
}
Set-Alias -Name wol -Value Send-WakeOnLan -Option AllScope -Force

# ============================================================
# SSH — быстрый доступ к узлам
# ============================================================
function Connect-VPS {
    <#
    .SYNOPSIS SSH на VPS по алиасу (ru/us/us2/iz/ya).
    .EXAMPLE  Connect-VPS ru
    #>
    param(
        [Parameter(Mandatory, Position = 0)]
        [ValidateSet('ru', 'us', 'us2', 'iz', 'ya')]
        [string]$Node
    )
    $keyPath = 'c:\Users\tarakan\.ssh\ai_ssh_key'
    $ipMap   = @{
        ru  = '5.129.200.97'
        us  = '77.91.126.90'
        us2 = '77.91.126.64'
        iz  = '185.239.48.145'
        ya  = '158.160.227.222'
    }
    ssh -p 63121 -i $keyPath "uai@$($ipMap[$Node])"
}
Set-Alias -Name vps -Value Connect-VPS -Option AllScope -Force

# ============================================================
# Профиль — обновление
# ============================================================
function Update-GperProfile {
    <#
    .SYNOPSIS git pull в директории профиля + перезагрузить профиль.
    #>
    $profileDir = Join-Path $HOME 'Documents\PowerShell\gper-profile'
    if (-not (Test-Path $profileDir)) {
        Write-Host 'Директория профиля не найдена' -ForegroundColor Red
        return
    }
    Push-Location $profileDir
    git pull
    Pop-Location
    . (Join-Path $profileDir 'profile.ps1')
    Write-Host 'Профиль обновлён и перезагружен' -ForegroundColor Green
}
Set-Alias -Name reload -Value Update-GperProfile -Option AllScope -Force

# ============================================================
# Утилиты
# ============================================================
function Get-ExternalIP {
    # Показать внешний IP (через us-vps для проверки обхода)
    (Invoke-RestMethod -Uri 'https://api.ipify.org?format=json' -TimeoutSec 10).ip
}
Set-Alias -Name myip -Value Get-ExternalIP -Option AllScope -Force

function Test-PortOpen {
    <#
    .SYNOPSIS Проверить доступность TCP-порта.
    .EXAMPLE  Test-PortOpen 10.10.10.1 22
    #>
    param(
        [Parameter(Mandatory)][string]$Host,
        [Parameter(Mandatory)][int]$Port,
        [int]$TimeoutMs = 2000
    )
    $tcp = [System.Net.Sockets.TcpClient]::new()
    $result = $tcp.BeginConnect($Host, $Port, $null, $null)
    $ok     = $result.AsyncWaitHandle.WaitOne($TimeoutMs, $false)
    $tcp.Close()
    if ($ok) {
        Write-Host "$Host`:$Port  OPEN" -ForegroundColor Green
    } else {
        Write-Host "$Host`:$Port  CLOSED / timeout" -ForegroundColor Red
    }
}
Set-Alias -Name portcheck -Value Test-PortOpen -Option AllScope -Force

Export-ModuleMember -Function * -Alias *