@echo off
setlocal

set "PS1=%TEMP%\Install-Ethernet-Toggle-%RANDOM%.ps1"

:: ------------------------------------------------------------
:: Extract embedded PowerShell installer
:: ------------------------------------------------------------

powershell.exe -NoProfile -ExecutionPolicy Bypass -Command ^
"$lines = Get-Content -LiteralPath '%~f0'; ^
$i = [Array]::IndexOf($lines, '###POWERSHELL###'); ^
if ($i -lt 0) { exit 1 }; ^
[System.IO.File]::WriteAllLines('%PS1%', $lines[($i+1)..($lines.Length-1)], (New-Object System.Text.UTF8Encoding($false)))"

if errorlevel 1 (
    echo Failed to extract installer.
    pause
    exit /b 1
)

:: ------------------------------------------------------------
:: Run installer
:: ------------------------------------------------------------

powershell.exe -NoProfile -ExecutionPolicy Bypass -File "%PS1%"

:: ------------------------------------------------------------
:: Cleanup temporary installer
:: ------------------------------------------------------------

del "%PS1%" >nul 2>&1

exit /b


###POWERSHELL###

# ============================================================
# Ethernet Toggle Installer
# ============================================================

$ErrorActionPreference = "Stop"

# ------------------------------------------------------------
# Self-elevate
# ------------------------------------------------------------

$IsAdmin = (
    New-Object Security.Principal.WindowsPrincipal(
        [Security.Principal.WindowsIdentity]::GetCurrent()
    )
).IsInRole(
    [Security.Principal.WindowsBuiltInRole]::Administrator
)

if (-not $IsAdmin) {

    Start-Process `
        powershell.exe `
        -Verb RunAs `
        -Wait `
        -ArgumentList @(
            "-NoProfile",
            "-ExecutionPolicy", "Bypass",
            "-File", "`"$PSCommandPath`""
        )

    exit
}

# ------------------------------------------------------------
# Configuration
# ------------------------------------------------------------

$AppName       = "Ethernet Toggle"
$Version       = "1.0"
$Publisher     = "Ethernet Toggle Utility"

$InstallDir    = Join-Path $env:ProgramData "EthernetToggle"

$ToggleScript  = Join-Path $InstallDir "ToggleEthernet.ps1"
$Launcher      = Join-Path $InstallDir "ToggleEthernet.vbs"
$Uninstaller   = Join-Path $InstallDir "Uninstall-EthernetToggle.ps1"

$TaskName      = "Ethernet Toggle"

$RegPath = `
    "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\EthernetToggle"

New-Item `
    -ItemType Directory `
    -Path $InstallDir `
    -Force | Out-Null


# ============================================================
# 1. Ethernet toggle script
# ============================================================

$ToggleCode = @'
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
[System.Windows.Forms.Application]::EnableVisualStyles()

# ------------------------------------------------------------
# UI language: Turkish / German / English fallback
# ------------------------------------------------------------

$lang = [System.Globalization.CultureInfo]::CurrentUICulture.TwoLetterISOLanguageName

if ($lang -eq 'tr') {
    # Build Turkish characters at runtime so the BAT/PS1 source stays ASCII-safe
    $cced = [char]231
    $uuml = [char]252
    $gbre = [char]287
    $sced = [char]351
    $idot = [char]305
    $Cced = [char]199

    $title       = "Ethernet A${cced}/Kapat"
    $waitTitle   = "L${uuml}tfen bekleyin..."
    $waitText    = "Ethernet ba${gbre}da${sced}t${idot}r${idot}c${idot}s${idot} de${gbre}i${sced}tiriliyor."
    $onText      = "art${idot}k A${Cced}IK."
    $offText     = "art${idot}k KAPALI."
    $notFound    = "Fiziksel Ethernet ba${gbre}da${sced}t${idot}r${idot}c${idot}s${idot} bulunamad${idot}."
}
else {
    $title       = 'Ethernet Toggle'
    $waitTitle   = 'Please wait...'
    $waitText    = 'Switching Ethernet adapter.'
    $onText      = 'is now ON.'
    $offText     = 'is now OFF.'
    $notFound    = 'No physical Ethernet adapter was found.'
}

# ------------------------------------------------------------
# Detect Ethernet adapter
# ------------------------------------------------------------

$adapters = @(Get-NetAdapter -Physical -ErrorAction SilentlyContinue)

$eth = $null

# Prefer onboard / non-USB physical Ethernet adapter
foreach ($a in $adapters) {

    if (
        $a.MediaType -eq '802.3' -and
        $a.InterfaceDescription -notmatch 'USB'
    ) {
        $eth = $a
        break
    }
}

# Fall back to any physical Ethernet adapter
if (-not $eth) {

    foreach ($a in $adapters) {

        if ($a.MediaType -eq '802.3') {
            $eth = $a
            break
        }
    }
}

if (-not $eth) {

    [System.Windows.Forms.MessageBox]::Show(
        $notFound,
        $title,
        [System.Windows.Forms.MessageBoxButtons]::OK,
        [System.Windows.Forms.MessageBoxIcon]::Warning
    ) | Out-Null

    exit
}

# ------------------------------------------------------------
# Waiting window
# ------------------------------------------------------------

$form = New-Object System.Windows.Forms.Form
$form.Text = $title
$form.StartPosition = 'CenterScreen'
$form.FormBorderStyle = 'FixedDialog'
$form.MaximizeBox = $false
$form.MinimizeBox = $false
$form.ShowInTaskbar = $true
$form.TopMost = $true
$form.ClientSize = New-Object System.Drawing.Size(390, 115)

$label1 = New-Object System.Windows.Forms.Label
$label1.AutoSize = $true
$label1.Font = New-Object System.Drawing.Font(
    'Segoe UI',
    11,
    [System.Drawing.FontStyle]::Bold
)
$label1.Location = New-Object System.Drawing.Point(18, 14)
$label1.Text = $waitTitle

$label2 = New-Object System.Windows.Forms.Label
$label2.AutoSize = $true
$label2.Font = New-Object System.Drawing.Font('Segoe UI', 9)
$label2.Location = New-Object System.Drawing.Point(18, 43)
$label2.Text = $waitText

$progress = New-Object System.Windows.Forms.ProgressBar
$progress.Style = 'Marquee'
$progress.MarqueeAnimationSpeed = 25
$progress.Location = New-Object System.Drawing.Point(20, 76)
$progress.Size = New-Object System.Drawing.Size(350, 18)

$form.Controls.Add($label1)
$form.Controls.Add($label2)
$form.Controls.Add($progress)

$form.Show()
$form.Activate()
[System.Windows.Forms.Application]::DoEvents()

$started = [System.Diagnostics.Stopwatch]::StartNew()

# ------------------------------------------------------------
# Toggle Ethernet
# ------------------------------------------------------------

if ($eth.Status -eq 'Disabled') {

    Enable-NetAdapter `
        -InterfaceDescription $eth.InterfaceDescription `
        -Confirm:$false `
        -ErrorAction SilentlyContinue

    $stateText = $onText
}
else {

    Disable-NetAdapter `
        -InterfaceDescription $eth.InterfaceDescription `
        -Confirm:$false `
        -ErrorAction SilentlyContinue

    $stateText = $offText
}

# Keep wait window visible briefly so it does not only flash
while ($started.ElapsedMilliseconds -lt 650) {
    [System.Windows.Forms.Application]::DoEvents()
    Start-Sleep -Milliseconds 50
}

$form.Close()
$form.Dispose()

# ------------------------------------------------------------
# Finished message
# ------------------------------------------------------------

$adapterDisplay = $eth.InterfaceDescription

if ($eth.Name -and $eth.Name -ne $eth.InterfaceDescription) {
    $adapterDisplay += " ($($eth.Name))"
}

[System.Windows.Forms.MessageBox]::Show(
    "$adapterDisplay $stateText",
    $title,
    [System.Windows.Forms.MessageBoxButtons]::OK,
    [System.Windows.Forms.MessageBoxIcon]::Information
) | Out-Null
'@

Set-Content `
    -LiteralPath $ToggleScript `
    -Value $ToggleCode `
    -Encoding UTF8 `
    -Force


# ============================================================
# 2. Scheduled task
# ============================================================

$Action = New-ScheduledTaskAction `
    -Execute "powershell.exe" `
    -Argument (
        "-NoProfile " +
        "-NonInteractive " +
        "-ExecutionPolicy Bypass " +
        "-WindowStyle Hidden " +
        "-File `"$ToggleScript`""
    )

$CurrentUser = `
    [Security.Principal.WindowsIdentity]::GetCurrent().Name

$Principal = New-ScheduledTaskPrincipal `
    -UserId $CurrentUser `
    -LogonType Interactive `
    -RunLevel Highest

$Settings = New-ScheduledTaskSettingsSet `
    -AllowStartIfOnBatteries `
    -DontStopIfGoingOnBatteries `
    -ExecutionTimeLimit (New-TimeSpan -Minutes 1)

Register-ScheduledTask `
    -TaskName $TaskName `
    -Action $Action `
    -Principal $Principal `
    -Settings $Settings `
    -Force | Out-Null


# ============================================================
# 3. Invisible launcher
# ============================================================

$VbsCode = @'
Set WshShell = CreateObject("WScript.Shell")
WshShell.Run "schtasks.exe /Run /TN ""Ethernet Toggle""", 0, False
'@

Set-Content `
    -LiteralPath $Launcher `
    -Value $VbsCode `
    -Encoding ASCII `
    -Force


# ============================================================
# 4. Desktop shortcut
# ============================================================

$Desktop = [Environment]::GetFolderPath("Desktop")

# Localize desktop shortcut name:
# Turkish Windows UI -> "Ethernet Ac-Kapa" with the real c-cedilla character.
# All other UI languages -> "Ethernet Toggle".
$lang = [System.Globalization.CultureInfo]::CurrentUICulture.TwoLetterISOLanguageName
$cced = [char]231

$TurkishShortcutName = "Ethernet A${cced}-Kapa.lnk"
$EnglishShortcutName = "Ethernet Toggle.lnk"

if ($lang -eq "tr") {
    $ShortcutName = $TurkishShortcutName
}
else {
    $ShortcutName = $EnglishShortcutName
}

# Remove an older shortcut name if this is a reinstall or UI language changed.
Remove-Item `
    (Join-Path $Desktop $TurkishShortcutName) `
    -Force `
    -ErrorAction SilentlyContinue

Remove-Item `
    (Join-Path $Desktop $EnglishShortcutName) `
    -Force `
    -ErrorAction SilentlyContinue

$ShortcutPath = `
    Join-Path $Desktop $ShortcutName

$Shell = New-Object -ComObject WScript.Shell

$Shortcut = `
    $Shell.CreateShortcut($ShortcutPath)

$Shortcut.TargetPath = `
    "$env:SystemRoot\System32\wscript.exe"

$Shortcut.Arguments = `
    "`"$Launcher`""

$Shortcut.WorkingDirectory = `
    $InstallDir

$Shortcut.Description = `
    "Enable or disable onboard Ethernet"

$Shortcut.IconLocation = `
    "$env:SystemRoot\System32\ncpa.cpl,0"

$Shortcut.Save()


# ============================================================
# 5. Uninstaller
# ============================================================

$UninstallCode = @'
$ErrorActionPreference = "SilentlyContinue"

$InstallDir = Join-Path $env:ProgramData "EthernetToggle"

$TaskName = "Ethernet Toggle"

$RegPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\EthernetToggle"


# ------------------------------------------------------------
# Self-elevate if required
# ------------------------------------------------------------

$IsAdmin = (
    New-Object Security.Principal.WindowsPrincipal(
        [Security.Principal.WindowsIdentity]::GetCurrent()
    )
).IsInRole(
    [Security.Principal.WindowsBuiltInRole]::Administrator
)

if (-not $IsAdmin) {

    Start-Process `
        powershell.exe `
        -Verb RunAs `
        -ArgumentList @(
            "-NoProfile",
            "-ExecutionPolicy", "Bypass",
            "-File", "`"$PSCommandPath`""
        )

    exit
}


# ------------------------------------------------------------
# Confirmation
# ------------------------------------------------------------

Add-Type -AssemblyName PresentationFramework

$result = [System.Windows.MessageBox]::Show(
    "Do you want to completely remove Ethernet Toggle?",
    "Uninstall Ethernet Toggle",
    "YesNo",
    "Question"
)

if ($result -ne "Yes") {
    exit
}


# ------------------------------------------------------------
# Stop scheduled task
# ------------------------------------------------------------

Stop-ScheduledTask `
    -TaskName $TaskName `
    -ErrorAction SilentlyContinue


# ------------------------------------------------------------
# Remove scheduled task
# ------------------------------------------------------------

Unregister-ScheduledTask `
    -TaskName $TaskName `
    -Confirm:$false `
    -ErrorAction SilentlyContinue


# ------------------------------------------------------------
# Remove desktop shortcut
# ------------------------------------------------------------

$Desktop = [Environment]::GetFolderPath("Desktop")

# Remove both possible localized shortcut names.
# This also handles cases where Windows UI language was changed after installation.
$cced = [char]231
$ShortcutNames = @(
    "Ethernet Toggle.lnk",
    "Ethernet A${cced}-Kapa.lnk"
)

foreach ($ShortcutName in $ShortcutNames) {
    Remove-Item `
        (Join-Path $Desktop $ShortcutName) `
        -Force `
        -ErrorAction SilentlyContinue
}


# Also remove both names from Public Desktop if either exists
$PublicDesktop = `
    [Environment]::GetFolderPath("CommonDesktopDirectory")

if ($PublicDesktop) {

    foreach ($ShortcutName in $ShortcutNames) {
        Remove-Item `
            (Join-Path $PublicDesktop $ShortcutName) `
            -Force `
            -ErrorAction SilentlyContinue
    }
}


# ------------------------------------------------------------
# Remove Programs & Features registration
# ------------------------------------------------------------

Remove-Item `
    $RegPath `
    -Recurse `
    -Force `
    -ErrorAction SilentlyContinue


# ------------------------------------------------------------
# Completion message
# ------------------------------------------------------------

[System.Windows.MessageBox]::Show(
    "Ethernet Toggle has been uninstalled.",
    "Ethernet Toggle",
    "OK",
    "Information"
) | Out-Null


# ------------------------------------------------------------
# Delete installation directory after this script exits
# ------------------------------------------------------------

$CleanupCode = @"
Start-Sleep -Seconds 2
Remove-Item -LiteralPath '$InstallDir' -Recurse -Force -ErrorAction SilentlyContinue
"@

$Bytes = `
    [System.Text.Encoding]::Unicode.GetBytes($CleanupCode)

$Encoded = `
    [Convert]::ToBase64String($Bytes)

Start-Process `
    powershell.exe `
    -WindowStyle Hidden `
    -ArgumentList @(
        "-NoProfile",
        "-NonInteractive",
        "-WindowStyle", "Hidden",
        "-EncodedCommand", $Encoded
    )

exit
'@

Set-Content `
    -LiteralPath $Uninstaller `
    -Value $UninstallCode `
    -Encoding UTF8 `
    -Force


# ============================================================
# 6. Register in Programs & Features
# ============================================================

New-Item `
    -Path $RegPath `
    -Force | Out-Null

$PowerShellExe = `
    "$env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe"

$UninstallString = `
    "`"$PowerShellExe`" -NoProfile -ExecutionPolicy Bypass -File `"$Uninstaller`""

New-ItemProperty `
    -Path $RegPath `
    -Name "DisplayName" `
    -Value $AppName `
    -PropertyType String `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "DisplayVersion" `
    -Value $Version `
    -PropertyType String `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "Publisher" `
    -Value $Publisher `
    -PropertyType String `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "InstallLocation" `
    -Value $InstallDir `
    -PropertyType String `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "DisplayIcon" `
    -Value "$env:SystemRoot\System32\ncpa.cpl,0" `
    -PropertyType String `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "UninstallString" `
    -Value $UninstallString `
    -PropertyType String `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "NoModify" `
    -Value 1 `
    -PropertyType DWord `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "NoRepair" `
    -Value 1 `
    -PropertyType DWord `
    -Force | Out-Null

New-ItemProperty `
    -Path $RegPath `
    -Name "EstimatedSize" `
    -Value 32 `
    -PropertyType DWord `
    -Force | Out-Null


# ============================================================
# 7. Installation completed
# ============================================================

Add-Type -AssemblyName PresentationFramework

[System.Windows.MessageBox]::Show(
    "Ethernet Toggle has been installed.`n`n" +
    "A shortcut has been created on the desktop.`n`n" +
    "You can uninstall it later from Programs & Features or Installed Apps.",
    "Ethernet Toggle",
    "OK",
    "Information"
) | Out-Null