[CmdletBinding()]
Param(
    [Parameter(Mandatory = $false)]
    $App_Name = "Teams Machine-Wide Installer",
    [Parameter(Mandatory = $false)]
    $File_Name_Extension = "msi",
    [Parameter(Mandatory = $false)]
    $Install_Parameters = "/qn ALLUSERS=1",
    [Parameter(Mandatory = $false)]
    $EPCache_Folder = "3rd Party Patches\$App_Name",
    [Parameter(Mandatory = $false)]
    $DownloadURL = "https://teams.microsoft.com/downloads/desktopurl?env=production&plat=windows&arch=x64&managedInstaller=true&download=true",
    [Parameter(Mandatory = $false)]
    $File_Name = "$File_Name_Prefix.$File_Name_Extension"
)

#Region Script Start
If ((Test-Path "C:\Temp\Script Cache") -eq $False) { New-Item -ItemType directory -Path "C:\Temp\Script Cache" }
Invoke-WebRequest -UseBasicParsing "https://scripts.gabesville.com/Gabesville/Powershell-Scripts/raw/branch/main/Functions%20Scripts/Functions.ps1" -outfile "C:\Temp\Script Cache\Functions.ps1"
. "C:\Temp\Script Cache\Functions.ps1"

#Check to see if program is installed
$Applist = Get-Software | Sort-Object -Descending

If ($Applist.DisplayName -like "*$App_Name*") {
    #Get currently installed version 
    $Local_Version = Get-Software | Where-Object { $_.DisplayName -like "*$App_Name*" } | Select-Object -ExpandProperty DisplayVersion
    Write-Host "$App_Name already installed. (Installed version: $Local_Version)" 
}

Else {
    Test-Probe_Online
    Install-App
}
#Region Script End