# PCS Toolkit - Windows Cleanup Script
# Run as Administrator

$ErrorActionPreference = 'SilentlyContinue'
$timestamp = Get-Date -Format "yyyy-MM-dd_HH-mm-ss"
$logFile = "$env:USERPROFILE\Desktop\Cleanup_$timestamp.log"

function Log($msg) {
    $line = "$(Get-Date -Format 'HH:mm:ss') - $msg"
    Write-Host $line
    Add-Content $logFile $line
}

Log "========================================"
Log "    PCS Toolkit - System Cleanup"
Log "========================================"
Log "Computer: $env:COMPUTERNAME"
Log "User: $env:USERNAME"
Log "Log file: $logFile"
Log ""

$totalFreed = 0

function Get-FolderSize($path) {
    if (Test-Path $path) {
        return (Get-ChildItem $path -Recurse -Force -EA SilentlyContinue | Measure-Object -Property Length -Sum).Sum / 1MB
    }
    return 0
}

function Clean-Folder($path, $name) {
    Log "Cleaning $name ($path)..."
    if (Test-Path $path) {
        $sizeBefore = Get-FolderSize $path
        Remove-Item "$path\*" -Recurse -Force -EA SilentlyContinue
        $sizeAfter = Get-FolderSize $path
        $freed = $sizeBefore - $sizeAfter
        Log "  Freed: $([math]::Round($freed, 2)) MB"
        return $freed
    } else {
        Log "  Path not found, skipping"
        return 0
    }
}

$totalFreed += Clean-Folder "$env:SystemRoot\Temp" "Windows Temp"
$totalFreed += Clean-Folder "$env:TEMP" "User Temp"
$totalFreed += Clean-Folder "$env:SystemRoot\Prefetch" "Prefetch"
$totalFreed += Clean-Folder "$env:SystemRoot\SoftwareDistribution\Download" "Windows Update Cache"
$totalFreed += Clean-Folder "$env:LOCALAPPDATA\Google\Chrome\User Data\Default\Cache" "Chrome Cache"
$totalFreed += Clean-Folder "$env:LOCALAPPDATA\Microsoft\Edge\User Data\Default\Cache" "Edge Cache"
$totalFreed += Clean-Folder "$env:LOCALAPPDATA\Microsoft\Windows\Explorer" "Thumbnail Cache"
$totalFreed += Clean-Folder "$env:LOCALAPPDATA\Microsoft\Windows\WER" "Error Reports"

Log "Emptying Recycle Bin..."
Clear-RecycleBin -Force -EA SilentlyContinue
Log "  Done"

Log ""
Log "========================================"
Log "CLEANUP COMPLETE"
Log "Total Space Freed: $([math]::Round($totalFreed, 2)) MB"
Log "========================================"
Log "Log saved to: $logFile"

explorer.exe "/select,$logFile"
Read-Host "Press Enter to exit"