#   Description:
# This script will remove and disable OneDrive integration.

Import-Module -DisableNameChecking $PSScriptRoot\..\lib\force-mkdir.psm1
Import-Module -DisableNameChecking $PSScriptRoot\..\lib\take-own.psm1

echo "Kill OneDrive process"
taskkill.exe /F /IM "OneDrive.exe"
taskkill.exe /F /IM "explorer.exe"

echo "Remove OneDrive"
if (Test-Path "$env:systemroot\System32\OneDriveSetup.exe") {
    & "$env:systemroot\System32\OneDriveSetup.exe" /uninstall
}
if (Test-Path "$env:systemroot\SysWOW64\OneDriveSetup.exe") {
    & "$env:systemroot\SysWOW64\OneDriveSetup.exe" /uninstall
}

echo "Removing OneDrive leftovers"
rm -Recurse -Force -ErrorAction SilentlyContinue "$env:localappdata\Microsoft\OneDrive"
rm -Recurse -Force -ErrorAction SilentlyContinue "$env:programdata\Microsoft OneDrive"
rm -Recurse -Force -ErrorAction SilentlyContinue "$env:userprofile\OneDrive"
rm -Recurse -Force -ErrorAction SilentlyContinue "C:\OneDriveTemp"

echo "Disable OneDrive via Group Policies"
force-mkdir "HKLM:\SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\OneDrive"
sp "HKLM:\SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\OneDrive" "DisableFileSyncNGSC" 1

echo "Remove Onedrive from explorer sidebar"
New-PSDrive -PSProvider "Registry" -Root "HKEY_CLASSES_ROOT" -Name "HKCR"
mkdir -Force "HKCR:\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}"
sp "HKCR:\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}" "System.IsPinnedToNameSpaceTree" 0
mkdir -Force "HKCR:\Wow6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}"
sp "HKCR:\Wow6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}" "System.IsPinnedToNameSpaceTree" 0
Remove-PSDrive "HKCR"

# Thank you Matthew Israelsson
echo "Removing run hook for new users"
reg load "hku\Default" "C:\Users\Default\NTUSER.DAT"
reg delete "HKEY_USERS\Default\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "OneDriveSetup" /f
reg unload "hku\Default"

echo "Removing startmenu entry"
rm -Force -ErrorAction SilentlyContinue "$env:userprofile\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\OneDrive.lnk"

echo "Restarting explorer"
start "explorer.exe"

echo "Waiting for explorer to complete loading"
sleep 10

echo "Removing additional OneDrive leftovers"
foreach ($item in (ls "$env:WinDir\WinSxS\*onedrive*")) {
    Takeown-Folder $item.FullName
    rm -Recurse -Force $item.FullName
}