$ErrorActionPreference = 'Stop'

if (-not ($IsWindows -or $PSVersionTable.PSEdition -eq 'Desktop')) {
    return
}

$LauncherPath = Join-Path $HOME '.local\bin\start-claude-proxy.ps1'
$ProgramsPath = [Environment]::GetFolderPath('Programs')
if ([string]::IsNullOrWhiteSpace($ProgramsPath)) {
    Write-Warning 'Start Menu Programs folder was not found.'
    return
}

$ShortcutPath = Join-Path $ProgramsPath 'Claude Proxy.lnk'
$PwshAliasPath = Join-Path $env:LOCALAPPDATA 'Microsoft\WindowsApps\pwsh.exe'
$PwshCommand = Get-Command pwsh -ErrorAction SilentlyContinue
if (Test-Path -LiteralPath $PwshAliasPath) {
    $TargetPath = $PwshAliasPath
} elseif ($null -ne $PwshCommand) {
    $TargetPath = $PwshCommand.Source
} else {
    $TargetPath = 'pwsh.exe'
}

$Arguments = "-NoLogo -NoProfile -ExecutionPolicy Bypass -File `"$LauncherPath`""
$WorkingDirectory = $env:USERPROFILE
$ClaudeExecutable = Join-Path $env:LOCALAPPDATA 'AnthropicClaude\claude.exe'
if (Test-Path -LiteralPath $ClaudeExecutable) {
    $IconLocation = "$ClaudeExecutable,0"
} else {
    $IconLocation = "$TargetPath,0"
}

New-Item -ItemType Directory -Path (Split-Path -Parent $ShortcutPath) -Force | Out-Null

$Shell = New-Object -ComObject WScript.Shell
$Shortcut = $Shell.CreateShortcut($ShortcutPath)

$Changed = $false
if ($Shortcut.TargetPath -ne $TargetPath) {
    $Shortcut.TargetPath = $TargetPath
    $Changed = $true
}
if ($Shortcut.Arguments -ne $Arguments) {
    $Shortcut.Arguments = $Arguments
    $Changed = $true
}
if ($Shortcut.WorkingDirectory -ne $WorkingDirectory) {
    $Shortcut.WorkingDirectory = $WorkingDirectory
    $Changed = $true
}
if ($Shortcut.IconLocation -ne $IconLocation) {
    $Shortcut.IconLocation = $IconLocation
    $Changed = $true
}
if ($Shortcut.Description -ne 'Launch Claude with hproxy.local proxy environment') {
    $Shortcut.Description = 'Launch Claude with hproxy.local proxy environment'
    $Changed = $true
}

if ($Changed -or -not (Test-Path -LiteralPath $ShortcutPath)) {
    $Shortcut.Save()
    Write-Host "Claude Proxy shortcut: updated $ShortcutPath"
} else {
    Write-Host 'Claude Proxy shortcut: already up to date.'
}