Install-ChocoAppsGUI.ps1

# List of accepted app parameters
$appSet = 'PowerShell','Chrome','FireFox','Reader'
#STUB# If (Test-Path ($pathToFileWithNames)){$appSet = $importedFileStringArray}

# ps 2.0 compatible enum for accepted app names == [ChocoApp]
Add-Type -TypeDefinition "public enum ChocoApp {$($appSet -join ',')}"

Function Load-Chocolatey{
    If (-not $env:ChocoInstalled){
        # install
        Set-ExecutionPolicy Bypass -Scope Process -Force
        Invoke-Expression ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))

        $env:ChocoInstalled = $true
    }
}

Function Install-ChocoApps{
    param([Parameter(ValueFromPipeline = $true)][ChocoApp[]]$Install)
    process{
        Load-Chocolatey

        switch ($null){
            {$Install -contains 'PowerShell'}{choco install powershell -y}
            {$Install -contains 'Chrome'}{choco install googlechrome -y}
            {$Install -contains 'FireFox'}{choco install firefox -y}
            {$Install -contains 'Reader'}{
                choco install adobereader -y -params '"/EnableUpdateService"'
                ### stub - set defaults for PDFs
            }
        }
    }
}

# Load GUI
##########
# Required assemblies
[void][Reflection.Assembly]::LoadWithPartialName('Microsoft.VisualBasic')
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

# Main window
$formAddQOLApps = [System.Windows.Forms.Form]::new()
$formAddQOLApps.Text = 'QOL apps install'
$formAddQOLApps.Size = [System.Drawing.Size]::new(295,325)
$formAddQOLApps.StartPosition = 'CenterScreen'
$formAddQOLApps.FormBorderStyle = 'Fixed3D'
$formAddQOLApps.MaximizeBox = $false

$margin = @{
    'top' = 10
    'left' = 15
    'right' = 15
    'bottom' = 10
    'buffer' = 10
}

# Title
$labelTitle = [System.Windows.Forms.Label]::new()
$labelTitle.Location = [System.Drawing.Point]::new(($margin.left - 5),$margin.top)
$labelTitle.Size = [System.Drawing.Size]::new(260,25)
$labelTitle.Text = 'Select apps to install:'
$labelTitle.Font = [System.Drawing.Font]::new('Calibri',16)
#$labelTitle.BackColor = [System.Drawing.Color]::Beige
$formAddQOLApps.Controls.Add($labelTitle)

# CheckedList box
$checkedListBoxCompany = [System.Windows.Forms.CheckedListBox]::new()
$checkedListBoxCompany.Size = [System.Drawing.Size]::new(260,20)
$checkedListBoxCompany.Height = 200
$checkedListBoxCompany.Location = [System.Drawing.Point]::new(
    $labelTitle.Left,
    ($labelTitle.Bottom + $margin.buffer)
)
$checkedListBoxCompany.CheckOnClick = $true
# add items
ForEach ($app in $appSet){
    $null = $checkedListBoxCompany.Items.Add($app,$true)
}
$formAddQOLApps.Controls.Add($checkedListBoxCompany)

# Buttons
$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Size = New-Object System.Drawing.Size(75,23)
$CancelButton.Location = New-Object System.Drawing.Point(
    ($checkedListBoxCompany.Right - $CancelButton.Size.Width),
    ($checkedListBoxCompany.Bottom + $margin.buffer)
)
$CancelButton.Text = 'Cancel'
$CancelButton.DialogResult = [System.Windows.Forms.DialogResult]::Cancel
$formAddQOLApps.CancelButton = $CancelButton
$formAddQOLApps.Controls.Add($CancelButton)

$OKButton = New-Object System.Windows.Forms.Button
$OKButton.Size = New-Object System.Drawing.Size(75,23)
$OKButton.Location = New-Object System.Drawing.Point(
    ($CancelButton.Left - $OKButton.Size.Width - $margin.buffer),
    $CancelButton.Top
)
$OKButton.Text = 'Install'
$OKButton.DialogResult = [System.Windows.Forms.DialogResult]::OK
$formAddQOLApps.AcceptButton = $OKButton
$formAddQOLApps.Controls.Add($OKButton)

### show form
# DO
$formAddQOLApps.BringToFront()  <#this may not work. may need to ascync call the .showdialog()#>
$formButtonResponse = $formAddQOLApps.ShowDialog()
If (-not $checkedListBoxCompany.CheckedItems){$formButtonResponse = 'None'}

# Install apps based on selection
If($formButtonResponse -eq 'OK'){Install-ChocoApps $checkedListBoxCompany.CheckedItems}