# Satsuma uninstaller. Run it with Uninstall.bat.
$ErrorActionPreference = 'Continue'

$root = Join-Path $env:LOCALAPPDATA 'Satsuma'
$classes = [Microsoft.Win32.Registry]::CurrentUser.OpenSubKey('Software\Classes\SystemFileAssociations', $true)
$removed = 0

if ($null -ne $classes) {
    foreach ($name in $classes.GetSubKeyNames()) {
        $shell = $classes.OpenSubKey($name + '\shell', $true)
        if ($null -ne $shell) {
            if ($shell.GetSubKeyNames() -contains 'Satsuma') {
                try { $shell.DeleteSubKeyTree('Satsuma', $false); $removed++ } catch { }
            }
            $shell.Close()
        }
    }
    $classes.Close()
}
Write-Host ('Removed the right-click menu from ' + $removed + ' file types.')

$marker = Join-Path $root 'classic-menu.txt'
if (Test-Path -LiteralPath $marker) {
    $a = Read-Host 'Satsuma turned on the classic Windows 11 right-click menu. Put the new Windows 11 menu back? (Y/N)'
    if ($a -match '^[Yy]') {
        try {
            [Microsoft.Win32.Registry]::CurrentUser.DeleteSubKeyTree('Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}', $false)
            Write-Host 'Done. Sign out and back in (or restart) to see the change.'
        } catch { }
    }
}

if (Test-Path -LiteralPath $root) {
    Remove-Item -LiteralPath $root -Recurse -Force -ErrorAction SilentlyContinue
    if (Test-Path -LiteralPath $root) {
        Write-Host 'Some files in the Satsuma folder could not be deleted (they may be in use). Delete this folder by hand:'
        Write-Host $root
    } else {
        Write-Host 'Deleted the Satsuma program folder, including the downloaded tools.'
    }
}
Write-Host ''
Write-Host 'Satsuma is removed.'