# Path to the MSI installer
$MSIURL = 'https://lfupdate.s3.amazonaws.com/clients/outlook/admin_msi/LiquidFiles_OutlookPlugin_Admin_3.0.37.msi'

# Set installer args
If (-not [string]::IsNullOrEmpty($LFHost) ) {
    Write-Output "LiquidFiles target server: ${LFHost}"
    $INSTALLER_ARGS = "REGKEYSCRIPT=""BaseUrl=${LFHost};InjectPositionDefault=3"""
}
Else { $INSTALLER_ARGS = '' }

# Stop any running LiquidFilesWindowsAgent process
$RunningProcess = Get-Process -Name "LiquidFilesWindowsAgent"
If ($RunningProcess) {
    Write-Output "Stopping the LiquidFiles agent"
    $RunningProcess | Stop-Process -Force
}

# Uninstall existing LiquidFiles agent/plugin
'LiquidFiles*' | Uninstall-MSI

# Run the installer
$INSTALLER = Download-File -URL $MSIURL
Write-Output "Installing Liquid Files Outlook Agent from ""${INSTALLER}"""
Try { Start-Process "msiexec.exe" -ArgumentList "/i ${INSTALLER} /qn /norestart ${INSTALLER_ARGS}" -Wait -ErrorAction Stop }
Catch { Write-Error $_.Exception.Message }

# Delete installer
Try {
    Write-Output "Deleting downloaded installation package"
    Remove-Item $INSTALLER -Force -ErrorAction SilentlyContinue
}
Catch { Write-Error $_.Exception.Message }

# Start the agent
$PathToAgentExe64 = "${Env:ProgramFiles(x86)}\LiquidFiles Windows Agent\LiquidFilesWindowsAgent.exe"
$PathToAgentExe32 = "${Env:ProgramFiles}\LiquidFiles Windows Agent\LiquidFilesWindowsAgent.exe"
If ( Test-Path $PathToAgentExe64 ) {
    $PathToAgentExe = $PathToAgentExe64
} ElseIf ( Test-Path $PathToAgentExe32 ) {
    $PathToAgentExe = $PathToAgentExe32
}
If ($PathToAgentExe) {
    Write-Output "Starting LiquidFiles agent"
    Try { Start-Process $PathToAgentExe }
    Catch { Write-Error $_.Exception.Message }
}