Add files via upload

GeneratePlaylist.ps1

@@ -771,6 +771,106 @@ if ($renameSkipped -gt 0) {
     Write-Host ""
 }
 
+# -- Rename numeric-only MP3 filenames using embedded ID3 title --------------
+# Some MP3s have filenames that are just numbers (e.g. "01.mp3", "1234.mp3",
+# "01 02 03.mp3").  These are useless in the playlist UI.  When we detect such
+# a file, read the embedded ID3 title tag via Shell.Application and rename the
+# file to "<Title>.mp3" (sanitized for WoW 1.12 path compatibility).
+
+function Get-Mp3EmbeddedTitle {
+    param([Parameter(Mandatory=$true)][string]$FilePath)
+    try {
+        $shell   = New-Object -ComObject Shell.Application
+        $folder  = $shell.Namespace((Split-Path -Parent $FilePath))
+        if ($null -eq $folder) { return $null }
+        $item    = $folder.ParseName((Split-Path -Leaf $FilePath))
+        if ($null -eq $item) { return $null }
+        # Property index 21 = Title on Windows; fall back to scanning if empty.
+        $title = $folder.GetDetailsOf($item, 21)
+        if ([string]::IsNullOrWhiteSpace($title)) {
+            for ($i = 0; $i -lt 400; $i++) {
+                $header = $folder.GetDetailsOf($null, $i)
+                if ($header -eq 'Title') {
+                    $title = $folder.GetDetailsOf($item, $i)
+                    break
+                }
+            }
+        }
+        if ([string]::IsNullOrWhiteSpace($title)) { return $null }
+        return $title.Trim()
+    } catch {
+        return $null
+    }
+}
+
+$numericRenamed = 0
+$numericSkipped = 0
+$mp3Files = @(Get-ChildItem -LiteralPath $Media -Recurse -File |
+    Where-Object { $_.Extension -match '^(?i)\.mp3$' -and $_.Name -notmatch '\.sanitize\.tmp\.' })
+
+foreach ($mf in $mp3Files) {
+    $base = [System.IO.Path]::GetFileNameWithoutExtension($mf.Name)
+    # "Only numbers": digits, optionally separated by spaces / dots / dashes / underscores.
+    if ($base -notmatch '^[\d\s\.\-_]+$' -or $base -notmatch '\d') { continue }
+
+    $title = Get-Mp3EmbeddedTitle -FilePath $mf.FullName
+    if ([string]::IsNullOrWhiteSpace($title)) {
+        Write-Host "  Skipped (no embedded title): $($mf.Name)"
+        $numericSkipped++
+        continue
+    }
+
+    # Sanitize the title for filesystem + WoW 1.12 compatibility.
+    $safeTitle = $title
+    foreach ($ch in $problematicChars) { $safeTitle = $safeTitle.Replace($ch, '_') }
+    foreach ($ch in [System.IO.Path]::GetInvalidFileNameChars()) {
+        $safeTitle = $safeTitle.Replace([string]$ch, '_')
+    }
+    while ($safeTitle.Contains('__')) { $safeTitle = $safeTitle.Replace('__', '_') }
+    $safeTitle = $safeTitle.Trim(' ', '_', '.')
+
+    if ([string]::IsNullOrWhiteSpace($safeTitle)) {
+        Write-Host "  Skipped (title sanitized to empty): $($mf.Name)"
+        $numericSkipped++
+        continue
+    }
+
+    $newName = "$safeTitle.mp3"
+    $newPath = Join-Path $mf.DirectoryName $newName
+    if ($newPath -eq $mf.FullName) { continue }
+
+    # Avoid collisions by appending a numeric suffix.
+    if (Test-Path -LiteralPath $newPath) {
+        $n = 2
+        do {
+            $candidate = Join-Path $mf.DirectoryName ("$safeTitle ($n).mp3")
+            $n++
+        } while (Test-Path -LiteralPath $candidate)
+        $newPath = $candidate
+        $newName = Split-Path -Leaf $candidate
+    }
+
+    try {
+        Rename-Item -LiteralPath $mf.FullName -NewName $newName -Force
+        Write-Host "  Renamed (numeric -> title): $($mf.Name) -> $newName"
+        $numericRenamed++
+    } catch {
+        Write-Host "  WARNING: Could not rename $($mf.Name): $_"
+        $numericSkipped++
+    }
+}
+
+if ($numericRenamed -gt 0) {
+    Write-Host ""
+    Write-Host "Renamed $numericRenamed numeric-only MP3 file(s) using embedded ID3 title."
+    Write-Host ""
+}
+if ($numericSkipped -gt 0) {
+    Write-Host ""
+    Write-Host "$numericSkipped numeric-only MP3 file(s) skipped (no title / collision / error)."
+    Write-Host ""
+}
+
 # ---------------------------------------------------------------------------
 # Now that ffmpeg may be available, set up a helper to call it from the
 # local ffmpeg folder when the system PATH doesn't have it.