# Rebuild emulators.db from readable BSON docs (fixes LiteDB page corruption).
$ErrorActionPreference = 'Stop'
Get-Process -Name 'Playnite*' -ErrorAction SilentlyContinue | Stop-Process -Force
Start-Sleep -Seconds 2

$lib = Join-Path $env:LOCALAPPDATA 'Playnite\library'
$src = Join-Path $lib 'emulators.db'
$new = Join-Path $lib 'emulators.db.new'
$bak = Join-Path $lib 'emulators.db.broken'

Add-Type -Path (Join-Path $env:LOCALAPPDATA 'Playnite\LiteDB.dll')

if (Test-Path $new) { Remove-Item -Force $new }
$srcDb = [LiteDB.LiteDatabase]::new("Filename=$src")
$dstDb = [LiteDB.LiteDatabase]::new("Filename=$new")
$srcCol = $srcDb.GetCollection('Emulator')
$dstCol = $dstDb.GetCollection('Emulator')
$n = 0
foreach ($doc in $srcCol.FindAll()) {
    $dstCol.Insert($doc) | Out-Null
    $n++
}
$srcDb.Dispose()
$dstDb.Dispose()

Move-Item -Force $src $bak
Move-Item -Force $new $src
Write-Host "Rebuilt emulators.db from $n documents."
Write-Host "Old file: $bak"