# install-menu.ps1

$ErrorActionPreference = "Stop"

$SoftwareGroups = [ordered]@{
    "System Tools" = @(
        @{ Type = "Winget"; Name = "7-Zip";                       Id = "7zip.7zip" }
        @{ Type = "Winget"; Name = "Git";                         Id = "Git.Git" }
        @{ Type = "Winget"; Name = "PowerShell 7";                Id = "Microsoft.PowerShell" }
        @{ Type = "Winget"; Name = "Windows Terminal";            Id = "Microsoft.WindowsTerminal" }
        @{ Type = "Winget"; Name = "PowerToys";                   Id = "Microsoft.PowerToys" }
        @{ Type = "Winget"; Name = "Everything";                  Id = "voidtools.Everything" }
        @{ Type = "Winget"; Name = "VC++ Runtime";                Id = "Microsoft.VCRedist.2015+.x64" }
        @{ Type = "Winget"; Name = "CrystalDiskInfo Aoi Edition"; Id = "CrystalDewWorld.CrystalDiskInfo.AoiEdition" }
        @{ Type = "Winget"; Name = "CPUID CPU-Z";                 Id = "CPUID.CPU-Z" }
        @{ Type = "Winget"; Name = "HWiNFO";                      Id = "REALiX.HWiNFO" }
    )

    "Apps" = @(
        @{ Type = "Winget"; Name = "Google Chrome";                Id = "Google.Chrome" }
        @{ Type = "Winget"; Name = "WeChat";                       Id = "Tencent.WeChat" }
        @{ Type = "Winget"; Name = "QQ";                           Id = "Tencent.QQ" }
        @{ Type = "Winget"; Name = "Telegram";                     Id = "Telegram.TelegramDesktop" }
        @{ Type = "Winget"; Name = "VLC";                          Id = "VideoLAN.VLC" }
        @{ Type = "Winget"; Name = "Obsidian";                     Id = "Obsidian.Obsidian" }
        @{ Type = "Winget"; Name = "Office Tool Plus";             Id = "Yerong.OfficeToolPlus" }
        @{ Type = "Winget"; Name = "Neovide";                      Id = "Neovide.Neovide" }
        @{ Type = "Winget"; Name = "Syncthing";                    Id = "Syncthing.Syncthing"; ProcessName = "syncthing"; AutostartName = "Syncthing" }
        @{ Type = "Winget"; Name = "Steam";                        Id = "Valve.Steam" }
	@{ Type = "Winget"; Name = "v2rayN"; Id = "2dust.v2rayN" }
    )

    "Command Line Tools" = @(
        @{ Type = "Winget"; Name = "Yazi";                         Id = "sxyazi.yazi" }
        @{ Type = "Winget"; Name = "Neovim";                       Id = "Neovim.Neovim" }
        @{ Type = "Winget"; Name = "eza";                          Id = "eza-community.eza" }
        @{ Type = "Winget"; Name = "zoxide";                       Id = "ajeetdsouza.zoxide" }
        @{ Type = "Winget"; Name = "fzf";                          Id = "junegunn.fzf" }
        @{ Type = "Winget"; Name = "ripgrep";                      Id = "BurntSushi.ripgrep.MSVC" }
        @{ Type = "Winget"; Name = "fd";                           Id = "sharkdp.fd" }
        @{ Type = "Winget"; Name = "bat";                          Id = "sharkdp.bat" }
        @{ Type = "Winget"; Name = "jq";                           Id = "jqlang.jq" }
        @{ Type = "Winget"; Name = "curl";                         Id = "cURL.cURL" }
        @{ Type = "Winget"; Name = "wget";                         Id = "GNU.Wget2" }
        @{ Type = "Winget"; Name = "starship";                     Id = "Starship.Starship" }
        @{ Type = "Winget"; Name = "fastfetch";                    Id = "Fastfetch-cli.Fastfetch" }
        @{ Type = "Winget"; Name = "lazygit";                      Id = "JesseDuffield.lazygit" }
        @{ Type = "Winget"; Name = "git-delta";                    Id = "dandavison.delta" }
        @{ Type = "Winget"; Name = "bottom";                       Id = "Clement.bottom" }
        @{ Type = "Winget"; Name = "FFmpeg";                       Id = "Gyan.FFmpeg" }
        @{ Type = "Winget"; Name = "ImageMagick";                  Id = "ImageMagick.ImageMagick" }
        @{ Type = "Winget"; Name = "Poppler";                      Id = "oschwartz10612.Poppler" }
    )

    "Dev Tools" = @(
        @{ Type = "Winget"; Name = "Visual Studio Code";            Id = "Microsoft.VisualStudioCode" }
        @{ Type = "Winget"; Name = "GitHub CLI";                    Id = "GitHub.cli" }
        @{ Type = "Winget"; Name = "Python 3.13";                   Id = "Python.Python.3.13" }
        @{ Type = "Winget"; Name = "Node.js LTS";                   Id = "OpenJS.NodeJS.LTS" }
        @{ Type = "Winget"; Name = "uv";                            Id = "astral-sh.uv" }
        @{ Type = "Winget"; Name = "Docker Desktop";                Id = "Docker.DockerDesktop" }
    )

    "Fonts" = @(
        @{ Type = "Winget"; Name = "JetBrains Mono Nerd Font";      Id = "DEVCOM.JetBrainsMonoNerdFont" }
        @{ Type = "Winget"; Name = "Cascadia Code Nerd Font";       Id = "DEVCOM.CascadiaCodeNerdFont" }
        @{ Type = "Winget"; Name = "Cascadia Mono Nerd Font";       Id = "DEVCOM.CascadiaMonoNerdFont" }
        @{ Type = "Winget"; Name = "FiraCode Nerd Font";            Id = "DEVCOM.FiraCodeNerdFont" }
        @{ Type = "Winget"; Name = "Hack Nerd Font";                Id = "DEVCOM.HackNerdFont" }
    )

    "WSL / Linux" = @(
        @{ Type = "WslBase";   Name = "WSL base only"; Exe = "wsl"; Args = @("--install", "--no-distribution") }
        @{ Type = "WslDistro"; Name = "Ubuntu";        Exe = "wsl"; Args = @("--install", "-d", "Ubuntu") }
        @{ Type = "WslDistro"; Name = "Debian";        Exe = "wsl"; Args = @("--install", "-d", "Debian") }
        @{ Type = "WslDistro"; Name = "Kali Linux";    Exe = "wsl"; Args = @("--install", "-d", "kali-linux") }
        @{ Type = "WslDistro"; Name = "Arch Linux";    Exe = "wsl"; Args = @("--install", "-d", "archlinux") }
    )

    "Autostart" = @(
        @{ Type = "Autostart"; Name = "Syncthing"; Command = "syncthing.exe"; Args = @("--no-console", "--no-browser"); ShortcutName = "Syncthing.lnk"; Url = "http://localhost:8384" }
    )

    "Package Downloads" = @(
        # Put direct download links here. Files are downloaded to Downloads\packages by default.
        # Example:
        # @{ Type = "Download"; Name = "Example ZIP Package"; Url = "https://example.com/package.zip"; FileName = "package.zip" }
        @{ Type = "Download"; Name = "HEU_KMS_Activator"; Url = "https://github.com/zbezj/HEU_KMS_Activator/releases/download/63.4.0/HEU_KMS_Activator_v63.4.0.rar"; FileName = "HEU_KMS_Activator_v63.4.0.zip" }
    )

    "Maintenance" = @(
        @{ Type = "Command"; Name = "Update winget source";        Exe = "winget"; Args = @("source", "update") }
        @{ Type = "Command"; Name = "Upgrade all winget packages"; Exe = "winget"; Args = @("upgrade", "--all", "--accept-source-agreements", "--accept-package-agreements") }
        @{ Type = "Command"; Name = "List installed packages";     Exe = "winget"; Args = @("list") }
        @{ Type = "Command"; Name = "Export installed packages";   Exe = "winget"; Args = @("export", "-o", "winget-export.json", "--accept-source-agreements") }
        @{ Type = "Command"; Name = "WSL status";                  Exe = "wsl";    Args = @("--status") }
        @{ Type = "Command"; Name = "List online WSL distros";      Exe = "wsl";    Args = @("--list", "--online") }
    )
}

function Write-Line {
    Write-Host "----------------------------------------" -ForegroundColor DarkGray
}

function Write-Title {
    param (
        [string]$Text
    )

    Write-Line
    Write-Host " $Text" -ForegroundColor Cyan
    Write-Line
}

function Write-MenuItem {
    param (
        [int]$Number,
        [string]$Name,
        [string]$Extra = ""
    )

    Write-Host ("{0,2}. " -f $Number) -NoNewline -ForegroundColor Yellow
    Write-Host $Name -NoNewline -ForegroundColor White

    if ($Extra -ne "") {
        Write-Host "  $Extra" -ForegroundColor DarkGray
    }
    else {
        Write-Host ""
    }
}

function Write-Option {
    param (
        [string]$Key,
        [string]$Text
    )

    Write-Host " $Key. " -NoNewline -ForegroundColor Yellow
    Write-Host $Text -ForegroundColor White
}

function Write-Hint {
    param (
        [string]$Text
    )

    Write-Host $Text -ForegroundColor DarkGray
}

function Write-Info {
    param (
        [string]$Text
    )

    Write-Host $Text -ForegroundColor Cyan
}

function Write-Success {
    param (
        [string]$Text
    )

    Write-Host $Text -ForegroundColor Green
}

function Write-Warn {
    param (
        [string]$Text
    )

    Write-Host $Text -ForegroundColor Yellow
}

function Write-ErrorText {
    param (
        [string]$Text
    )

    Write-Host $Text -ForegroundColor Red
}

function Write-Kv {
    param (
        [string]$Key,
        [string]$Value
    )

    Write-Host ("{0,-8}: " -f $Key) -NoNewline -ForegroundColor DarkGray
    Write-Host $Value -ForegroundColor White
}

function Wait-User {
    Write-Host ""
    Read-Host "Press Enter to continue"
}

function Test-Winget {
    if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
        Write-ErrorText "winget not found. Please install App Installer first."
        return $false
    }

    return $true
}

function Test-WslCommand {
    if (-not (Get-Command wsl -ErrorAction SilentlyContinue)) {
        Write-ErrorText "wsl command not found."
        Write-Warn "Please make sure your Windows version supports WSL."
        return $false
    }

    return $true
}

function Test-CommandExists {
    param (
        [string]$CommandName
    )

    if (-not (Get-Command $CommandName -ErrorAction SilentlyContinue)) {
        Write-ErrorText "$CommandName not found."
        return $false
    }

    return $true
}

function Test-WingetInstalled {
    param (
        [string]$Id
    )

    if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
        return $false
    }

    $output = winget list --id $Id -e --accept-source-agreements 2>$null | Out-String

    if ($output -match [regex]::Escape($Id)) {
        return $true
    }

    return $false
}

function Test-WslReady {
    if (-not (Get-Command wsl -ErrorAction SilentlyContinue)) {
        return $false
    }

    wsl --status *> $null

    if ($LASTEXITCODE -eq 0) {
        return $true
    }

    return $false
}

function Get-WslDistroName {
    param (
        [hashtable]$App
    )

    if (-not $App.Args) {
        return ""
    }

    $argsText = @($App.Args)

    for ($i = 0; $i -lt $argsText.Count; $i++) {
        if ($argsText[$i] -eq "-d" -and ($i + 1) -lt $argsText.Count) {
            return [string]$argsText[$i + 1]
        }
    }

    if ($argsText.Count -ge 2 -and $argsText[0] -eq "--install") {
        return [string]$argsText[1]
    }

    return ""
}

function Test-WslDistroInstalled {
    param (
        [hashtable]$App
    )

    if (-not (Test-WslReady)) {
        return $false
    }

    $distroName = Get-WslDistroName -App $App

    if ($distroName -eq "") {
        return $false
    }

    $distros = wsl --list --quiet 2>$null

    foreach ($distro in $distros) {
        if ($distro.Trim() -ieq $distroName) {
            return $true
        }
    }

    return $false
}

function Test-IsAdmin {
    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
    $principal = [Security.Principal.WindowsPrincipal]$identity
    return $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
}

function Restart-ScriptAsAdmin {
    $scriptPath = $PSCommandPath

    if (-not $scriptPath) {
        Write-Warn "Cannot find current script path."
        Write-Warn "Please run PowerShell as Administrator manually."
        Wait-User
        return
    }

    Write-Warn "Administrator permission is required."
    Write-Hint "A new Administrator PowerShell window will be opened."
    Write-Host ""

    $confirm = Read-Host "Restart this script as Administrator? Y/N"

    if ($confirm -notmatch "^[Yy]$") {
        Write-Warn "Cancelled."
        Wait-User
        return
    }

    $argumentList = "-ExecutionPolicy Bypass -File `"$scriptPath`""

    Start-Process powershell -Verb RunAs -ArgumentList $argumentList

    exit
}


function Get-StartupFolder {
    return [Environment]::GetFolderPath("Startup")
}

function Get-AutostartShortcutPath {
    param (
        [hashtable]$App
    )

    $startupFolder = Get-StartupFolder
    $shortcutName = [string]$App.ShortcutName

    if ([string]::IsNullOrWhiteSpace($shortcutName)) {
        $shortcutName = "$($App.Name).lnk"
    }

    return (Join-Path $startupFolder $shortcutName)
}

function Get-AutostartArgumentsText {
    param (
        [hashtable]$App
    )

    if (-not $App.Args) {
        return ""
    }

    return (@($App.Args) -join " ")
}

function Get-AutostartLauncherFolder {
    $folder = Join-Path $env:LOCALAPPDATA "InstallMenu\Autostart"
    return $folder
}

function Get-AutostartLauncherPath {
    param (
        [hashtable]$App
    )

    $name = [string]$App.Name

    if ([string]::IsNullOrWhiteSpace($name)) {
        $name = "AutostartApp"
    }

    $safeName = ($name -replace '[^a-zA-Z0-9._-]', '_')
    return (Join-Path (Get-AutostartLauncherFolder) "$safeName-hidden.vbs")
}

function Get-AutostartCommandLine {
    param (
        [string]$ExePath,
        [string]$ArgumentsText
    )

    $commandLine = "`"$ExePath`""

    if (-not [string]::IsNullOrWhiteSpace($ArgumentsText)) {
        $commandLine = "$commandLine $ArgumentsText"
    }

    return $commandLine
}

function New-AutostartHiddenLauncher {
    param (
        [hashtable]$App,
        [string]$ExePath,
        [string]$ArgumentsText
    )

    $launcherFolder = Get-AutostartLauncherFolder
    $launcherPath = Get-AutostartLauncherPath -App $App

    if (-not (Test-Path $launcherFolder)) {
        New-Item -ItemType Directory -Path $launcherFolder -Force | Out-Null
    }

    $commandLine = Get-AutostartCommandLine -ExePath $ExePath -ArgumentsText $ArgumentsText
    $vbsCommandLine = $commandLine.Replace('"', '""')

    $content = @"
Set WshShell = CreateObject("WScript.Shell")
WshShell.Run "$vbsCommandLine", 0, False
"@

    Set-Content -Path $launcherPath -Value $content -Encoding Unicode
    return $launcherPath
}

function Start-HiddenProgram {
    param (
        [string]$ExePath,
        [string]$ArgumentsText
    )

    $commandLine = Get-AutostartCommandLine -ExePath $ExePath -ArgumentsText $ArgumentsText
    $wsh = New-Object -ComObject WScript.Shell
    $wsh.Run($commandLine, 0, $false) | Out-Null
}

function Get-AutostartCommandInfo {
    param (
        [hashtable]$App
    )

    $commandName = [string]$App.Command

    if ([string]::IsNullOrWhiteSpace($commandName)) {
        return $null
    }

    return (Get-Command $commandName -ErrorAction SilentlyContinue)
}

function Get-AutostartExePath {
    param (
        [hashtable]$App
    )

    $commandInfo = Get-AutostartCommandInfo -App $App

    if ($null -eq $commandInfo) {
        return ""
    }

    if ($commandInfo.Source) {
        return [string]$commandInfo.Source
    }

    if ($commandInfo.Path) {
        return [string]$commandInfo.Path
    }

    return ""
}

function Get-AutostartProcessName {
    param (
        [hashtable]$App
    )

    if ($App.ProcessName) {
        return [string]$App.ProcessName
    }

    $commandName = [string]$App.Command

    if ([string]::IsNullOrWhiteSpace($commandName)) {
        return ""
    }

    return [System.IO.Path]::GetFileNameWithoutExtension($commandName)
}

function Test-AutostartEnabled {
    param (
        [hashtable]$App
    )

    $shortcutPath = Get-AutostartShortcutPath -App $App
    return (Test-Path $shortcutPath)
}


function Test-AutostartProcessRunning {
    param (
        [hashtable]$App
    )

    $processName = Get-AutostartProcessName -App $App

    if ([string]::IsNullOrWhiteSpace($processName)) {
        return $false
    }

    $process = Get-Process -Name $processName -ErrorAction SilentlyContinue
    return ($null -ne $process)
}

function Stop-AutostartAppNow {
    param (
        [hashtable]$App,
        [switch]$NoPause,
        [switch]$Silent
    )

    $processName = Get-AutostartProcessName -App $App

    if ([string]::IsNullOrWhiteSpace($processName)) {
        if (-not $Silent) {
            Write-Warn "No process name configured for $($App.Name)."
        }

        if (-not $NoPause) {
            Wait-User
        }

        return $false
    }

    $processes = Get-Process -Name $processName -ErrorAction SilentlyContinue

    if ($null -eq $processes) {
        if (-not $Silent) {
            Write-Warn "$($App.Name) is not running."
        }

        if (-not $NoPause) {
            Wait-User
        }

        return $true
    }

    try {
        $processes | Stop-Process -Force

        if (-not $Silent) {
            Write-Success "Stopped: $($App.Name)"
        }

        if (-not $NoPause) {
            Wait-User
        }

        return $true
    }
    catch {
        if (-not $Silent) {
            Write-ErrorText "Failed to stop $($App.Name): $($_.Exception.Message)"
        }

        if (-not $NoPause) {
            Wait-User
        }

        return $false
    }
}

function Enable-AutostartShortcut {
    param (
        [hashtable]$App,
        [switch]$NoPause
    )

    $exePath = Get-AutostartExePath -App $App

    if ([string]::IsNullOrWhiteSpace($exePath)) {
        Write-ErrorText "$($App.Name) command not found: $($App.Command)"
        Write-Warn "Please install $($App.Name) first, then enable autostart."

        if (-not $NoPause) {
            Wait-User
        }

        return $false
    }

    $startupFolder = Get-StartupFolder
    $shortcutPath = Get-AutostartShortcutPath -App $App
    $argumentsText = Get-AutostartArgumentsText -App $App

    if (-not (Test-Path $startupFolder)) {
        New-Item -ItemType Directory -Path $startupFolder -Force | Out-Null
    }

    $launcherPath = New-AutostartHiddenLauncher -App $App -ExePath $exePath -ArgumentsText $argumentsText
    $wscriptPath = Join-Path $env:WINDIR "System32\wscript.exe"

    $wsh = New-Object -ComObject WScript.Shell
    $shortcut = $wsh.CreateShortcut($shortcutPath)
    $shortcut.TargetPath = $wscriptPath
    $shortcut.Arguments = "//B //Nologo `"$launcherPath`""
    $shortcut.WorkingDirectory = Split-Path $launcherPath
    $shortcut.Description = "Start $($App.Name) hidden at Windows user logon"
    $shortcut.WindowStyle = 7
    $shortcut.Save()

    Write-Success "Autostart enabled: $($App.Name)"
    Write-Hint "Shortcut: $shortcutPath"
    Write-Hint "Launcher: $launcherPath"
    Write-Hint "Command : $exePath $argumentsText"

    if (-not $NoPause) {
        Wait-User
    }

    return $true
}

function Disable-AutostartShortcut {
    param (
        [hashtable]$App,
        [switch]$NoPause
    )

    $shortcutPath = Get-AutostartShortcutPath -App $App

    $launcherPath = Get-AutostartLauncherPath -App $App
    $removed = $false

    if (Test-Path $shortcutPath) {
        Remove-Item $shortcutPath -Force
        Write-Success "Removed shortcut: $shortcutPath"
        $removed = $true
    }

    if (Test-Path $launcherPath) {
        Remove-Item $launcherPath -Force
        Write-Success "Removed launcher: $launcherPath"
        $removed = $true
    }

    if ($removed) {
        Write-Success "Autostart disabled: $($App.Name)"
    }
    else {
        Write-Warn "Autostart is not enabled: $($App.Name)"
        Write-Hint "Shortcut not found: $shortcutPath"
    }

    if (-not $NoPause) {
        Wait-User
    }
}

function Start-AutostartAppNow {
    param (
        [hashtable]$App,
        [switch]$NoPause
    )

    $exePath = Get-AutostartExePath -App $App

    if ([string]::IsNullOrWhiteSpace($exePath)) {
        Write-ErrorText "$($App.Name) command not found: $($App.Command)"
        Write-Warn "Please install $($App.Name) first."

        if (-not $NoPause) {
            Wait-User
        }

        return
    }

    if (Test-AutostartProcessRunning -App $App) {
        Write-Warn "$($App.Name) is already running."

        if (-not $NoPause) {
            Wait-User
        }

        return
    }

    $argumentsText = Get-AutostartArgumentsText -App $App

    Start-HiddenProgram -ExePath $exePath -ArgumentsText $argumentsText

    Write-Success "Started hidden: $($App.Name)"

    if (-not $NoPause) {
        Wait-User
    }
}

function Open-AutostartAppUrl {
    param (
        [hashtable]$App,
        [switch]$NoPause
    )

    $url = [string]$App.Url

    if ([string]::IsNullOrWhiteSpace($url)) {
        Write-Warn "No URL configured for $($App.Name)."
    }
    else {
        Start-Process $url
        Write-Success "Opened: $url"
    }

    if (-not $NoPause) {
        Wait-User
    }
}

function Show-AutostartInfo {
    param (
        [hashtable]$App
    )

    Clear-Host
    Write-Title "Autostart Info"

    $shortcutPath = Get-AutostartShortcutPath -App $App
    $exePath = Get-AutostartExePath -App $App
    $argumentsText = Get-AutostartArgumentsText -App $App
    $enabledText = if (Test-AutostartEnabled -App $App) { "Enabled" } else { "Disabled" }
    $runningText = if (Test-AutostartProcessRunning -App $App) { "Running" } else { "Not running" }

    Write-Kv -Key "Name" -Value $App.Name
    Write-Kv -Key "Type" -Value "Startup folder shortcut + hidden launcher"
    Write-Kv -Key "Status" -Value $enabledText
    Write-Kv -Key "Running" -Value $runningText
    Write-Kv -Key "Startup" -Value (Get-StartupFolder)
    Write-Kv -Key "Shortcut" -Value $shortcutPath
    Write-Kv -Key "Launcher" -Value (Get-AutostartLauncherPath -App $App)
    Write-Kv -Key "Command" -Value "$($App.Command) $argumentsText"

    if ([string]::IsNullOrWhiteSpace($exePath)) {
        Write-Kv -Key "Exe" -Value "Not found"
    }
    else {
        Write-Kv -Key "Exe" -Value $exePath
    }

    if ($App.Url) {
        Write-Kv -Key "Web UI" -Value ([string]$App.Url)
    }

    if (Test-Path $shortcutPath) {
        try {
            $wsh = New-Object -ComObject WScript.Shell
            $shortcut = $wsh.CreateShortcut($shortcutPath)
            Write-Host ""
            Write-Info "Current shortcut content:"
            Write-Kv -Key "Target" -Value $shortcut.TargetPath
            Write-Kv -Key "Args" -Value $shortcut.Arguments
            Write-Kv -Key "WorkDir" -Value $shortcut.WorkingDirectory
        }
        catch {
            Write-Warn "Could not read shortcut details."
        }
    }

    $launcherPath = Get-AutostartLauncherPath -App $App
    if (Test-Path $launcherPath) {
        Write-Host ""
        Write-Info "Hidden launcher exists: $launcherPath"
    }

    Wait-User
}

function Invoke-AutostartAction {
    param (
        [hashtable]$App,
        [switch]$SkipConfirm,
        [switch]$NoPause
    )

    if ($SkipConfirm -and (Test-AutostartEnabled -App $App)) {
        Write-Warn "Autostart already enabled, skipped: $($App.Name)"
        return
    }

    if (-not $SkipConfirm) {
        Clear-Host
        Write-Title "Enable Autostart Confirmation"
        Write-Kv -Key "Name" -Value $App.Name
        Write-Kv -Key "Status" -Value (Get-AppStatusText -App $App)
        Write-Kv -Key "Command" -Value (Get-AppCommandText -App $App)
        Write-Host ""

        $confirm = Read-Host "Enable or recreate autostart shortcut? Y/N"

        if ($confirm -notmatch "^[Yy]$") {
            Write-Warn "Cancelled."

            if (-not $NoPause) {
                Wait-User
            }

            return
        }
    }

    $enabled = Enable-AutostartShortcut -App $App -NoPause

    if ($enabled) {
        Write-Host ""
        Start-AutostartAppNow -App $App -NoPause

        if ($App.Url) {
            Write-Hint "Web UI: $($App.Url)"
        }
    }

    if (-not $NoPause) {
        Wait-User
    }
}

function Show-AutostartActionMenu {
    param (
        [hashtable]$App
    )

    while ($true) {
        Clear-Host
        Write-Title "Autostart: $($App.Name)"

        Write-Kv -Key "Status" -Value (Get-AppStatusText -App $App)
        Write-Kv -Key "Shortcut" -Value (Get-AutostartShortcutPath -App $App)
        Write-Kv -Key "Command" -Value (Get-AppCommandText -App $App)

        Write-Host ""
        Write-Option -Key "1" -Text "Enable / recreate autostart + start now (hidden)"
        Write-Option -Key "2" -Text "Disable autostart"
        Write-Option -Key "3" -Text "Start now (hidden)"
        Write-Option -Key "4" -Text "Open Web UI"
        Write-Option -Key "5" -Text "Show details"
        Write-Option -Key "6" -Text "Stop now"
        Write-Option -Key "B" -Text "Back"
        Write-Option -Key "Q" -Text "Quit"
        Write-Host ""

        $choice = Read-Host "Choose"

        switch -Regex ($choice) {
            "^1$" {
                Invoke-AutostartAction -App $App
            }

            "^2$" {
                Disable-AutostartShortcut -App $App
            }

            "^3$" {
                Start-AutostartAppNow -App $App
            }

            "^4$" {
                Open-AutostartAppUrl -App $App
            }

            "^5$" {
                Show-AutostartInfo -App $App
            }

            "^6$" {
                Stop-AutostartAppNow -App $App
            }

            "^[Bb]$" {
                return
            }

            "^[Qq]$" {
                exit
            }

            default {
                Write-Warn "Invalid input."
                Wait-User
            }
        }
    }
}


function Get-PackageDownloadsFolder {
    $downloads = Join-Path $env:USERPROFILE "Downloads"
    $folder = Join-Path $downloads "packages"

    if (-not (Test-Path -LiteralPath $folder)) {
        New-Item -ItemType Directory -Path $folder -Force | Out-Null
    }

    return $folder
}

function Get-SafeFileName {
    param (
        [string]$FileName
    )

    $invalidChars = [System.IO.Path]::GetInvalidFileNameChars()
    $safeName = $FileName

    foreach ($char in $invalidChars) {
        $safeName = $safeName.Replace([string]$char, "_")
    }

    return $safeName
}

function Get-DownloadFileName {
    param (
        [hashtable]$App
    )

    if ($App.FileName -and -not [string]::IsNullOrWhiteSpace([string]$App.FileName)) {
        return (Get-SafeFileName -FileName ([string]$App.FileName))
    }

    $url = [string]$App.Url

    try {
        $uri = [System.Uri]$url
        $fileName = [System.IO.Path]::GetFileName($uri.AbsolutePath)

        if (-not [string]::IsNullOrWhiteSpace($fileName)) {
            return (Get-SafeFileName -FileName $fileName)
        }
    }
    catch {
        # Fall through to name-based fallback.
    }

    return (Get-SafeFileName -FileName "$($App.Name).zip")
}

function Get-DownloadDestinationFolder {
    param (
        [hashtable]$App
    )

    if ($App.DestinationDir -and -not [string]::IsNullOrWhiteSpace([string]$App.DestinationDir)) {
        $folder = [Environment]::ExpandEnvironmentVariables([string]$App.DestinationDir)
    }
    else {
        $folder = Get-PackageDownloadsFolder
    }

    if (-not (Test-Path -LiteralPath $folder)) {
        New-Item -ItemType Directory -Path $folder -Force | Out-Null
    }

    return $folder
}

function Get-DownloadDestinationPath {
    param (
        [hashtable]$App
    )

    $folder = Get-DownloadDestinationFolder -App $App
    $fileName = Get-DownloadFileName -App $App

    return (Join-Path $folder $fileName)
}

function Test-DownloadFileExists {
    param (
        [hashtable]$App
    )

    $destinationPath = Get-DownloadDestinationPath -App $App
    return (Test-Path -LiteralPath $destinationPath -PathType Leaf)
}

function Invoke-DownloadPackage {
    param (
        [hashtable]$App,
        [switch]$SkipConfirm,
        [switch]$NoPause
    )

    $url = [string]$App.Url

    if ([string]::IsNullOrWhiteSpace($url)) {
        Write-ErrorText "Download URL is empty: $($App.Name)"

        if (-not $NoPause) {
            Wait-User
        }

        return $false
    }

    $destinationPath = Get-DownloadDestinationPath -App $App
    $destinationFolder = Split-Path -Parent $destinationPath
    $fileExists = Test-Path -LiteralPath $destinationPath -PathType Leaf

    if ($SkipConfirm -and $fileExists) {
        Write-Warn "Already downloaded, skipped: $($App.Name)"
        Write-Hint "Path: $destinationPath"
        return $true
    }

    if ((-not $SkipConfirm) -and $fileExists) {
        Write-Warn "File already exists: $destinationPath"
        $confirm = Read-Host "Overwrite it? Y/N"

        if ($confirm -notmatch "^[Yy]$") {
            Write-Warn "Cancelled."

            if (-not $NoPause) {
                Wait-User
            }

            return $false
        }
    }

    if (-not (Test-Path -LiteralPath $destinationFolder)) {
        New-Item -ItemType Directory -Path $destinationFolder -Force | Out-Null
    }

    $tempPath = "$destinationPath.download"

    if (Test-Path -LiteralPath $tempPath) {
        Remove-Item -LiteralPath $tempPath -Force
    }

    Write-Host ""
    Write-Info "Downloading: $($App.Name)"
    Write-Hint "URL: $url"
    Write-Hint "Save to: $destinationPath"
    Write-Host ""

    try {
        Invoke-WebRequest -Uri $url -OutFile $tempPath -UseBasicParsing

        if (Test-Path -LiteralPath $destinationPath) {
            Remove-Item -LiteralPath $destinationPath -Force
        }

        Move-Item -LiteralPath $tempPath -Destination $destinationPath -Force
        Write-Success "Downloaded: $destinationPath"
        return $true
    }
    catch {
        Write-ErrorText "Download failed: $($_.Exception.Message)"

        if (Test-Path -LiteralPath $tempPath) {
            Remove-Item -LiteralPath $tempPath -Force -ErrorAction SilentlyContinue
        }

        return $false
    }
    finally {
        if (-not $NoPause) {
            Wait-User
        }
    }
}

function Remove-DownloadedPackage {
    param (
        [hashtable]$App,
        [switch]$NoPause
    )

    $destinationPath = Get-DownloadDestinationPath -App $App

    if (-not (Test-Path -LiteralPath $destinationPath -PathType Leaf)) {
        Write-Warn "Downloaded file not found: $destinationPath"

        if (-not $NoPause) {
            Wait-User
        }

        return $true
    }

    try {
        Remove-Item -LiteralPath $destinationPath -Force
        Write-Success "Deleted downloaded file: $destinationPath"
        return $true
    }
    catch {
        Write-ErrorText "Failed to delete file: $($_.Exception.Message)"
        return $false
    }
    finally {
        if (-not $NoPause) {
            Wait-User
        }
    }
}

function Get-AppTypeText {
    param (
        [hashtable]$App
    )

    switch ($App.Type) {
        "Winget"    { return "Winget" }
        "WslBase"   { return "WSL Base" }
        "WslDistro" { return "WSL Linux Distro" }
        "Command"   { return "Command" }
        "Autostart" { return "Autostart" }
        "Download"  { return "Download" }
        default     { return "Unknown" }
    }
}

function Get-AppCommandText {
    param (
        [hashtable]$App
    )

    switch ($App.Type) {
        "Winget" {
            return "winget install --id $($App.Id) -e"
        }

        "WslBase" {
            return "$($App.Exe) $($App.Args -join ' ')"
        }

        "WslDistro" {
            return "$($App.Exe) $($App.Args -join ' ')"
        }

        "Command" {
            return "$($App.Exe) $($App.Args -join ' ')"
        }

        "Autostart" {
            return "$($App.Command) $(Get-AutostartArgumentsText -App $App)"
        }

        "Download" {
            return "Download to $(Get-DownloadDestinationPath -App $App)"
        }

        default {
            return ""
        }
    }
}

function Get-AppStatusText {
    param (
        [hashtable]$App
    )

    switch ($App.Type) {
        "Winget" {
            if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
                return "Unknown, winget not found"
            }

            if (Test-WingetInstalled -Id ([string]$App.Id)) {
                return "Installed"
            }

            return "Not installed"
        }

        "WslBase" {
            if (Test-WslReady) {
                return "Enabled"
            }

            return "Not enabled"
        }

        "WslDistro" {
            if (-not (Test-WslReady)) {
                return "WSL not ready"
            }

            if (Test-WslDistroInstalled -App $App) {
                return "Installed"
            }

            return "Not installed"
        }

        "Command" {
            return "Runnable command"
        }

        "Autostart" {
            $enabledText = if (Test-AutostartEnabled -App $App) { "Enabled" } else { "Disabled" }
            $runningText = if (Test-AutostartProcessRunning -App $App) { "Running" } else { "Not running" }
            $exePath = Get-AutostartExePath -App $App

            if ([string]::IsNullOrWhiteSpace($exePath)) {
                return "$enabledText, command not found"
            }

            return "$enabledText, $runningText"
        }

        "Download" {
            if (Test-DownloadFileExists -App $App) {
                return "Downloaded"
            }

            return "Not downloaded"
        }

        default {
            return "Unknown"
        }
    }
}

function Get-PrimaryActionText {
    param (
        [hashtable]$App
    )

    switch ($App.Type) {
        "Winget" {
            if (Test-WingetInstalled -Id ([string]$App.Id)) {
                return "Upgrade / install again"
            }

            return "Install"
        }

        "WslBase" {
            if (Test-WslReady) {
                return "Already enabled"
            }

            return "Install"
        }

        "WslDistro" {
            if (Test-WslDistroInstalled -App $App) {
                return "Already installed"
            }

            return "Install"
        }

        "Command" {
            return "Run"
        }

        "Autostart" {
            if (Test-AutostartEnabled -App $App) {
                return "Recreate autostart shortcut"
            }

            return "Enable autostart"
        }

        "Download" {
            if (Test-DownloadFileExists -App $App) {
                return "Download again / overwrite"
            }

            return "Download"
        }

        default {
            return "Run"
        }
    }
}

function Convert-SelectionToNumbers {
    param (
        [string]$InputText,
        [int]$MaxNumber
    )

    $InputText = $InputText.Trim()

    if ($InputText -notmatch "^\d+(\s*-\s*\d+)?(\s*,\s*\d+(\s*-\s*\d+)?)*$") {
        return $null
    }

    $result = @()
    $parts = $InputText -split ","

    foreach ($part in $parts) {
        $part = $part.Trim()

        if ($part -match "^(\d+)\s*-\s*(\d+)$") {
            $start = [int]$Matches[1]
            $end = [int]$Matches[2]

            if ($start -gt $end) {
                Write-Warn "Invalid range: $part"
                return $null
            }

            for ($i = $start; $i -le $end; $i++) {
                if ($i -lt 1 -or $i -gt $MaxNumber) {
                    Write-Warn "Invalid number: $i"
                    return $null
                }

                if ($result -notcontains $i) {
                    $result += $i
                }
            }
        }
        elseif ($part -match "^\d+$") {
            $number = [int]$part

            if ($number -lt 1 -or $number -gt $MaxNumber) {
                Write-Warn "Invalid number: $number"
                return $null
            }

            if ($result -notcontains $number) {
                $result += $number
            }
        }
        else {
            return $null
        }
    }

    return $result
}

function Install-WslBase {
    param (
        [switch]$NoPause
    )

    if (-not (Test-WslCommand)) {
        if (-not $NoPause) {
            Wait-User
        }
        return $false
    }

    if (Test-WslReady) {
        Write-Success "WSL is already installed or enabled."

        if (-not $NoPause) {
            Wait-User
        }

        return $true
    }

    if (-not (Test-IsAdmin)) {
        Restart-ScriptAsAdmin
        return $false
    }

    Write-Host ""
    Write-Info "Installing WSL base..."
    Write-Hint "Command: wsl --install --no-distribution"
    Write-Host ""

    wsl --install --no-distribution

    Write-Host ""
    Write-Success "WSL base installation command finished."
    Write-Warn "Please restart Windows, then run this script again to install Ubuntu/Debian/Kali/Arch."

    if (-not $NoPause) {
        Wait-User
    }

    return $false
}

function Ensure-WslReady {
    param (
        [switch]$NoPause
    )

    if (Test-WslReady) {
        return $true
    }

    Clear-Host
    Write-Title "WSL Required"
    Write-Warn "WSL is not installed or enabled."
    Write-Host ""

    $confirm = Read-Host "Install WSL first? Y/N"

    if ($confirm -notmatch "^[Yy]$") {
        Write-Host ""
        Write-Warn "Cancelled."

        if (-not $NoPause) {
            Wait-User
        }

        return $false
    }

    Install-WslBase -NoPause:$NoPause | Out-Null
    return $false
}


function Test-AppSupportsUninstall {
    param (
        [hashtable]$App
    )

    switch ($App.Type) {
        "Winget"    { return $true }
        "WslDistro" { return $true }
        "Autostart" { return $true }
        "Download"  { return $true }
        default     { return $false }
    }
}

function Get-AppUninstallCommandText {
    param (
        [hashtable]$App
    )

    switch ($App.Type) {
        "Winget" {
            return "winget uninstall --id $($App.Id) -e"
        }

        "WslDistro" {
            $distroName = Get-WslDistroName -App $App

            if ([string]::IsNullOrWhiteSpace($distroName)) {
                return "wsl --unregister <distro>"
            }

            return "wsl --unregister $distroName"
        }

        "Autostart" {
            return "Remove startup shortcut and hidden launcher"
        }

        "Download" {
            return "Delete $(Get-DownloadDestinationPath -App $App)"
        }

        default {
            return ""
        }
    }
}

function Get-RelatedAutostartApp {
    param (
        [hashtable]$App
    )

    $name = ""

    if ($App.AutostartName) {
        $name = [string]$App.AutostartName
    }
    else {
        $name = [string]$App.Name
    }

    if ([string]::IsNullOrWhiteSpace($name)) {
        return $null
    }

    if (-not $SoftwareGroups.Contains("Autostart")) {
        return $null
    }

    foreach ($autostartApp in $SoftwareGroups["Autostart"]) {
        if ([string]$autostartApp.Name -ieq $name) {
            return $autostartApp
        }
    }

    return $null
}

function Stop-AppProcessIfConfigured {
    param (
        [hashtable]$App,
        [switch]$Silent
    )

    if (-not $App.ProcessName) {
        return $true
    }

    $processName = [string]$App.ProcessName
    $processes = Get-Process -Name $processName -ErrorAction SilentlyContinue

    if ($null -eq $processes) {
        if (-not $Silent) {
            Write-Hint "Process is not running: $processName"
        }

        return $true
    }

    try {
        $processes | Stop-Process -Force

        if (-not $Silent) {
            Write-Success "Stopped process: $processName"
        }

        return $true
    }
    catch {
        if (-not $Silent) {
            Write-Warn "Failed to stop process ${processName}: $($_.Exception.Message)"
        }

        return $false
    }
}

function Invoke-AppUninstall {
    param (
        [hashtable]$App,
        [switch]$SkipConfirm,
        [switch]$NoPause
    )

    if (-not (Test-AppSupportsUninstall -App $App)) {
        Write-Warn "Uninstall is not supported for this item: $($App.Name)"

        if (-not $NoPause) {
            Wait-User
        }

        return
    }

    $statusText = Get-AppStatusText -App $App
    $uninstallCommand = Get-AppUninstallCommandText -App $App

    if ($SkipConfirm) {
        if ($App.Type -eq "Winget" -and $statusText -ne "Installed") {
            Write-Warn "Not installed, skipped uninstall: $($App.Name)"
            return
        }

        if ($App.Type -eq "WslDistro") {
            Write-Warn "WSL distro uninstall requires single-item confirmation, skipped: $($App.Name)"
            return
        }

        if ($App.Type -eq "Autostart" -and -not (Test-AutostartEnabled -App $App)) {
            Write-Warn "Autostart not enabled, skipped: $($App.Name)"
            return
        }

        if ($App.Type -eq "Download" -and -not (Test-DownloadFileExists -App $App)) {
            Write-Warn "Downloaded file not found, skipped delete: $($App.Name)"
            return
        }
    }

    if (-not $SkipConfirm) {
        Clear-Host
        Write-Title "Uninstall Confirmation"
        Write-Kv -Key "Name" -Value $App.Name
        Write-Kv -Key "Type" -Value (Get-AppTypeText -App $App)
        Write-Kv -Key "Status" -Value $statusText
        Write-Kv -Key "Command" -Value $uninstallCommand
        Write-Host ""

        if ($App.Type -eq "Winget" -and $statusText -ne "Installed") {
            Write-Warn "$($App.Name) is not installed."
            Wait-User
            return
        }

        if ($App.Type -eq "Download" -and -not (Test-DownloadFileExists -App $App)) {
            Write-Warn "Downloaded file not found."
            Wait-User
            return
        }

        if ($App.Type -eq "WslDistro") {
            Write-Warn "This will unregister the WSL distro and delete its Linux files."
            Write-Warn "Only continue if you do not need data inside this distro."
            Write-Host ""
        }

        if ($App.Type -eq "Winget" -and $App.ProcessName) {
            Write-Hint "Before uninstalling, the script will stop its running process if needed."
        }

        if ($App.Type -eq "Winget" -and $App.AutostartName) {
            Write-Hint "Related autostart shortcut will also be removed if it exists."
        }

        Write-Host ""
        $confirm = Read-Host "Are you sure you want to uninstall $($App.Name)? Y/N"

        if ($confirm -notmatch "^[Yy]$") {
            Write-Warn "Cancelled."

            if (-not $NoPause) {
                Wait-User
            }

            return
        }
    }

    $success = $true

    if ($App.Type -eq "Winget") {
        if (-not (Test-Winget)) {
            if (-not $NoPause) {
                Wait-User
            }
            return
        }

        $relatedAutostartApp = Get-RelatedAutostartApp -App $App

        if ($null -ne $relatedAutostartApp) {
            Disable-AutostartShortcut -App $relatedAutostartApp -NoPause
        }

        Stop-AppProcessIfConfigured -App $App | Out-Null

        $id = [string]$App.Id
        Write-Host ""
        Write-Info "Uninstalling: $($App.Name)"
        Write-Hint "Winget ID: $id"
        Write-Host ""

        winget uninstall --id $id -e

        if ($LASTEXITCODE -ne 0) {
            $success = $false
        }
    }
    elseif ($App.Type -eq "WslDistro") {
        if (-not (Test-WslCommand)) {
            if (-not $NoPause) {
                Wait-User
            }
            return
        }

        $distroName = Get-WslDistroName -App $App

        if ([string]::IsNullOrWhiteSpace($distroName)) {
            Write-ErrorText "Could not determine WSL distro name."
            $success = $false
        }
        elseif (-not (Test-WslDistroInstalled -App $App)) {
            Write-Warn "WSL distro is not installed: $($App.Name)"
            $success = $true
        }
        else {
            Write-Host ""
            Write-Info "Unregistering WSL distro: $distroName"
            Write-Hint "Command: wsl --unregister $distroName"
            Write-Host ""

            wsl --unregister $distroName

            if ($LASTEXITCODE -ne 0) {
                $success = $false
            }
        }
    }
    elseif ($App.Type -eq "Autostart") {
        Disable-AutostartShortcut -App $App -NoPause
        $success = $true
    }
    elseif ($App.Type -eq "Download") {
        $success = Remove-DownloadedPackage -App $App -NoPause
    }

    Write-Host ""

    if ($success) {
        Write-Success "Uninstall finished: $($App.Name)"
    }
    else {
        Write-Warn "Uninstall finished with errors: $($App.Name)"
        Write-Hint "Exit code: $LASTEXITCODE"
    }

    if (-not $NoPause) {
        Wait-User
    }
}

function Show-AppInfo {
    param (
        [hashtable]$App
    )

    Clear-Host
    Write-Title "Software Info"
    Write-Kv -Key "Name" -Value $App.Name
    Write-Kv -Key "Type" -Value (Get-AppTypeText -App $App)
    Write-Kv -Key "Status" -Value (Get-AppStatusText -App $App)
    Write-Kv -Key "Command" -Value (Get-AppCommandText -App $App)

    if (Test-AppSupportsUninstall -App $App) {
        Write-Kv -Key "Uninstall" -Value (Get-AppUninstallCommandText -App $App)
    }

    Write-Host ""

    if ($App.Type -eq "Winget") {
        if (Test-Winget) {
            $id = [string]$App.Id
            winget show --id $id -e
        }
    }
    elseif ($App.Type -eq "WslBase" -or $App.Type -eq "WslDistro") {
        if (Test-WslCommand) {
            Write-Host ""
            Write-Info "WSL status:"
            wsl --status

            Write-Host ""
            Write-Info "Installed WSL distributions:"
            wsl --list --verbose

            Write-Host ""
            Write-Info "Available online distributions:"
            wsl --list --online
        }
    }
    elseif ($App.Type -eq "Command") {
        Write-Hint "This item runs a command directly."
    }
    elseif ($App.Type -eq "Autostart") {
        Write-Hint "This item creates or removes a shortcut in the current user's Startup folder."
        Write-Host ""
        Write-Info "Autostart details:"
        Write-Kv -Key "Startup" -Value (Get-StartupFolder)
        Write-Kv -Key "Shortcut" -Value (Get-AutostartShortcutPath -App $App)
        Write-Kv -Key "Running" -Value ($(if (Test-AutostartProcessRunning -App $App) { "Running" } else { "Not running" }))
        if ($App.Url) {
            Write-Kv -Key "Web UI" -Value ([string]$App.Url)
        }
    }
    elseif ($App.Type -eq "Download") {
        Write-Hint "This item downloads a file to Downloads\packages by default."
        Write-Host ""
        Write-Info "Download details:"
        Write-Kv -Key "URL" -Value ([string]$App.Url)
        Write-Kv -Key "File" -Value (Get-DownloadDestinationPath -App $App)
        Write-Kv -Key "Exists" -Value ($(if (Test-DownloadFileExists -App $App) { "Yes" } else { "No" }))
    }
    else {
        Write-Warn "Unknown app type."
    }

    Wait-User
}

function Invoke-AppAction {
    param (
        [hashtable]$App,
        [switch]$SkipConfirm,
        [switch]$NoPause
    )

    $actionText = Get-PrimaryActionText -App $App
    $statusText = Get-AppStatusText -App $App

    if ($SkipConfirm) {
        if ($App.Type -eq "Winget" -and $statusText -eq "Installed") {
            Write-Warn "Already installed, skipped: $($App.Name)"
            return
        }

        if ($App.Type -eq "WslBase" -and $statusText -eq "Enabled") {
            Write-Warn "WSL already enabled, skipped."
            return
        }

        if ($App.Type -eq "WslDistro" -and $statusText -eq "Installed") {
            Write-Warn "Already installed, skipped: $($App.Name)"
            return
        }

        if ($App.Type -eq "Autostart" -and (Test-AutostartEnabled -App $App)) {
            Write-Warn "Autostart already enabled, skipped: $($App.Name)"
            return
        }

        if ($App.Type -eq "Download" -and (Test-DownloadFileExists -App $App)) {
            Write-Warn "Already downloaded, skipped: $($App.Name)"
            Write-Hint "Path: $(Get-DownloadDestinationPath -App $App)"
            return
        }
    }

    if (-not $SkipConfirm) {
        Clear-Host
        Write-Title "$actionText Confirmation"
        Write-Kv -Key "Name" -Value $App.Name
        Write-Kv -Key "Type" -Value (Get-AppTypeText -App $App)
        Write-Kv -Key "Status" -Value $statusText
        Write-Kv -Key "Command" -Value (Get-AppCommandText -App $App)
        Write-Host ""

        if ($App.Type -eq "Winget" -and $statusText -eq "Installed") {
            $confirm = Read-Host "Already installed. Continue and run winget upgrade/install? Y/N"
        }
        elseif ($App.Type -eq "WslBase" -and $statusText -eq "Enabled") {
            Write-Success "WSL is already enabled."
            Wait-User
            return
        }
        elseif ($App.Type -eq "WslDistro" -and $statusText -eq "Installed") {
            Write-Success "$($App.Name) is already installed."
            Wait-User
            return
        }
        elseif ($App.Type -eq "Command") {
            $confirm = Read-Host "Are you sure you want to run $($App.Name)? Y/N"
        }
        elseif ($App.Type -eq "Download") {
            $confirm = Read-Host "Are you sure you want to download $($App.Name)? Y/N"
        }
        else {
            $confirm = Read-Host "Are you sure you want to install $($App.Name)? Y/N"
        }

        if ($confirm -notmatch "^[Yy]$") {
            Write-Host ""
            Write-Warn "Cancelled."

            if (-not $NoPause) {
                Wait-User
            }

            return
        }
    }

    $success = $true

    if ($App.Type -eq "Winget") {
        if (-not (Test-Winget)) {
            if (-not $NoPause) {
                Wait-User
            }
            return
        }

        $id = [string]$App.Id
        $isInstalled = Test-WingetInstalled -Id $id

        Write-Host ""

        if ($isInstalled) {
            Write-Info "Upgrading: $($App.Name)"
            Write-Hint "Winget ID: $id"
            Write-Host ""

            winget upgrade --id $id -e --accept-source-agreements --accept-package-agreements

            if ($LASTEXITCODE -ne 0) {
                Write-Warn "Upgrade command did not complete successfully. Trying install command..."
                winget install --id $id -e --accept-source-agreements --accept-package-agreements
            }
        }
        else {
            Write-Info "Installing: $($App.Name)"
            Write-Hint "Winget ID: $id"
            Write-Host ""

            winget install --id $id -e --accept-source-agreements --accept-package-agreements
        }

        if ($LASTEXITCODE -ne 0) {
            $success = $false
        }
    }
    elseif ($App.Type -eq "WslBase") {
        Install-WslBase -NoPause:$NoPause | Out-Null
        return
    }
    elseif ($App.Type -eq "WslDistro") {
        if (-not (Ensure-WslReady -NoPause:$NoPause)) {
            return
        }

        if (-not (Test-IsAdmin)) {
            Restart-ScriptAsAdmin
            return
        }

        $exe = [string]$App.Exe
        $cmdArgs = @($App.Args)

        Write-Host ""
        Write-Info "Installing: $($App.Name)"
        Write-Hint "Command: $(Get-AppCommandText -App $App)"
        Write-Host ""

        & $exe @cmdArgs

        if ($LASTEXITCODE -ne 0) {
            $success = $false
        }
    }
    elseif ($App.Type -eq "Autostart") {
        Invoke-AutostartAction -App $App -SkipConfirm:$SkipConfirm -NoPause:$NoPause
        return
    }
    elseif ($App.Type -eq "Download") {
        $success = Invoke-DownloadPackage -App $App -SkipConfirm:$SkipConfirm -NoPause:$NoPause
    }
    elseif ($App.Type -eq "Command") {
        $exe = [string]$App.Exe
        $cmdArgs = @($App.Args)

        if (-not (Test-CommandExists -CommandName $exe)) {
            if (-not $NoPause) {
                Wait-User
            }
            return
        }

        Write-Host ""
        Write-Info "Running: $($App.Name)"
        Write-Hint "Command: $(Get-AppCommandText -App $App)"
        Write-Host ""

        & $exe @cmdArgs

        if ($LASTEXITCODE -ne 0) {
            $success = $false
        }
    }
    else {
        Write-Warn "Unknown app type."
        $success = $false
    }

    Write-Host ""

    if ($success) {
        Write-Success "Finished: $($App.Name)"
    }
    else {
        Write-Warn "Command finished with errors: $($App.Name)"
        Write-Hint "Exit code: $LASTEXITCODE"
    }

    if (-not $NoPause) {
        Wait-User
    }
}

function Show-SingleAppActionMenu {
    param (
        [hashtable]$App
    )

    if ($App.Type -eq "Autostart") {
        Show-AutostartActionMenu -App $App
        return
    }

    while ($true) {
        Clear-Host
        Write-Title "Selected Software"

        Write-Kv -Key "Name" -Value $App.Name
        Write-Kv -Key "Type" -Value (Get-AppTypeText -App $App)
        Write-Kv -Key "Status" -Value (Get-AppStatusText -App $App)
        Write-Kv -Key "Command" -Value (Get-AppCommandText -App $App)

        Write-Host ""
        Write-Option -Key "1" -Text (Get-PrimaryActionText -App $App)
        Write-Option -Key "2" -Text "Show info"

        if (Test-AppSupportsUninstall -App $App) {
            Write-Option -Key "3" -Text "Uninstall"
        }

        Write-Option -Key "B" -Text "Back"
        Write-Option -Key "Q" -Text "Quit"
        Write-Host ""

        $choice = Read-Host "Choose"

        switch -Regex ($choice) {
            "^1$" {
                Invoke-AppAction -App $App
            }

            "^2$" {
                Show-AppInfo -App $App
            }

            "^3$" {
                if (Test-AppSupportsUninstall -App $App) {
                    Invoke-AppUninstall -App $App
                }
                else {
                    Write-Warn "Uninstall is not supported for this item."
                    Wait-User
                }
            }

            "^[Bb]$" {
                return
            }

            "^[Qq]$" {
                exit
            }

            default {
                Write-Warn "Invalid input."
                Wait-User
            }
        }
    }
}

function Show-MultiAppActionMenu {
    param (
        [array]$SelectedApps
    )

    while ($true) {
        Clear-Host
        Write-Title "Selected Software List"

        for ($i = 0; $i -lt $SelectedApps.Count; $i++) {
            $app = $SelectedApps[$i]
            $typeText = Get-AppTypeText -App $app
            $statusText = Get-AppStatusText -App $app

            Write-MenuItem -Number ($i + 1) -Name $app.Name -Extra "[$typeText] [$statusText]"
        }

        Write-Host ""
        Write-Option -Key "1" -Text "Install selected, skip installed"
        Write-Option -Key "2" -Text "Show info one by one"
        Write-Option -Key "3" -Text "Uninstall selected, skip unsupported/not installed"
        Write-Option -Key "B" -Text "Back"
        Write-Option -Key "Q" -Text "Quit"
        Write-Host ""

        Write-Hint "Installed software / WSL distros / enabled autostart items / downloaded files will be skipped."
        Write-Hint "Maintenance commands will still run."
        Write-Hint "Batch uninstall skips WSL distros. Unregister WSL distros from the single-item menu."
        Write-Host ""

        $choice = Read-Host "Choose"

        switch -Regex ($choice) {
            "^1$" {
                Write-Host ""
                $confirm = Read-Host "Install selected items and skip installed ones? Y/N"

                if ($confirm -notmatch "^[Yy]$") {
                    Write-Warn "Cancelled."
                    Wait-User
                    return
                }

                foreach ($app in $SelectedApps) {
                    Invoke-AppAction -App $app -SkipConfirm -NoPause
                }

                Wait-User
            }

            "^2$" {
                foreach ($app in $SelectedApps) {
                    Show-AppInfo -App $app
                }
            }

            "^3$" {
                Write-Host ""
                Write-Warn "This will uninstall selected winget packages, remove selected autostart items, and delete selected downloaded files."
                Write-Hint "WSL distros are skipped in batch uninstall to avoid accidental data loss."
                $confirm = Read-Host "Uninstall selected items? Y/N"

                if ($confirm -notmatch "^[Yy]$") {
                    Write-Warn "Cancelled."
                    Wait-User
                    return
                }

                foreach ($app in $SelectedApps) {
                    Invoke-AppUninstall -App $app -SkipConfirm -NoPause
                }

                Wait-User
            }

            "^[Bb]$" {
                return
            }

            "^[Qq]$" {
                exit
            }

            default {
                Write-Warn "Invalid input."
                Wait-User
            }
        }
    }
}

function Show-GroupMenu {
    param (
        [string]$GroupName,
        [array]$Apps
    )

    while ($true) {
        Clear-Host
        Write-Title "Category: $GroupName"

        for ($i = 0; $i -lt $Apps.Count; $i++) {
            $app = $Apps[$i]
            Write-MenuItem -Number ($i + 1) -Name $app.Name -Extra "[$(Get-AppTypeText -App $app)]"
        }

        Write-Host ""
        Write-Option -Key "B" -Text "Back"
        Write-Option -Key "Q" -Text "Quit"
        Write-Host ""

        Write-Hint "Input examples:"
        Write-Hint "  1          single software"
        Write-Hint "  1-3        range"
        Write-Hint "  2,3,6      multiple software"
        Write-Hint "  1-5,8,10   mixed range and numbers"
        Write-Host ""

        $choice = Read-Host "Choose software"

        switch -Regex ($choice) {
            "^[Qq]$" {
                exit
            }

            "^[Bb]$" {
                return
            }

            default {
                $numbers = Convert-SelectionToNumbers -InputText $choice -MaxNumber $Apps.Count

                if ($null -eq $numbers) {
                    Write-Warn "Invalid input."
                    Wait-User
                    continue
                }

                $selectedApps = @()

                foreach ($number in $numbers) {
                    $selectedApps += $Apps[$number - 1]
                }

                if ($selectedApps.Count -eq 1) {
                    Show-SingleAppActionMenu -App $selectedApps[0]
                }
                else {
                    Show-MultiAppActionMenu -SelectedApps $selectedApps
                }
            }
        }
    }
}

function Show-MainMenu {
    $groups = @($SoftwareGroups.Keys)

    while ($true) {
        Clear-Host
        Write-Title "Software Install Menu"

        for ($i = 0; $i -lt $groups.Count; $i++) {
            Write-MenuItem -Number ($i + 1) -Name $groups[$i]
        }

        Write-Host ""
        Write-Option -Key "Q" -Text "Quit"
        Write-Host ""

        $choice = Read-Host "Choose category"

        if ($choice -match "^[Qq]$") {
            exit
        }

        if ($choice -match "^\d+$") {
            $number = [int]$choice

            if ($number -ge 1 -and $number -le $groups.Count) {
                $groupName = $groups[$number - 1]
                Show-GroupMenu -GroupName $groupName -Apps $SoftwareGroups[$groupName]
            }
            else {
                Write-Warn "Invalid category number."
                Wait-User
            }
        }
        else {
            Write-Warn "Invalid input."
            Wait-User
        }
    }
}

Show-MainMenu