<#
.SYNOPSIS
  Adds JRiver Media Center folders & processes to Windows Defender exclusions

.DESCRIPTION
  powershell -ExecutionPolicy Bypass -File .\jriver-exclusions.ps1 
#>

function Add-ItemExclusion {
    param(
        [string]$Item,
        [ValidateSet('Path','Process')]$Type
    )
    try {
        if ($Type -eq 'Path') {
            Add-MpPreference -ExclusionPath $Item -ErrorAction Stop
        } else {
            Add-MpPreference -ExclusionProcess $Item -ErrorAction Stop
        }
        Write-Host "Added ${Type}: ${Item}"
    }
    catch {
        Write-Warning "Skipped/failed ${Type}: ${Item} - $_"
    }
}

Write-Host "Configuring JRiver Media Center (folders via wildcards, processes version 30–50)"

# Folder exclusions (wildcards cover all files inside)
$folders = @(
    'C:\Program Files\J River',
    'C:\Program Files\J River\Media Center *',
    "$Env:APPDATA\J River",
    "$Env:APPDATA\J River\Media Center *"
)

# Process exclusions (explicit versions 30–50)
$processes = @()
for ($v = 30; $v -le 50; $v++) {
    $processes += "MC$v.exe"
    $processes += "Media Center $v.exe"
}
# Add static processes that are version-independent
$processes += @('JRService.exe','JRWorker.exe','JRWeb.exe')

# Add exclusions
Write-Host "=== Adding folder exclusions ==="
$folders | ForEach-Object { Add-ItemExclusion -Item $_ -Type Path }

Write-Host "=== Adding process exclusions ==="
$processes | Sort-Object -Unique | ForEach-Object { Add-ItemExclusion -Item $_ -Type Process }

# Validation step
$pref = Get-MpPreference
Write-Host ''
Write-Host "=== Current Defender exclusions ==="
Write-Host "Paths:"
$pref.ExclusionPath | ForEach-Object { Write-Host "  $_" }
Write-Host ''
Write-Host "Processes:"
$pref.ExclusionProcess | ForEach-Object { Write-Host "  $_" }
Write-Host ''
Write-Host "=== Validation complete ==="