param($global)

. "$psscriptroot\..\lib\core.ps1"
. "$psscriptroot\..\lib\install.ps1"
. "$psscriptroot\..\lib\versions.ps1"
. "$psscriptroot\..\lib\manifest.ps1"

if($global -and !(is_admin)) {
	"ERROR: you need admin rights to uninstall globally"; exit 1
}

warn 'this will uninstall scoop and all the programs that have been installed with scoop!'
$yn = read-host 'are you sure? (yN)'
if($yn -notlike 'y*') { exit }

$errors = $false
function do_uninstall($app, $global) {
	$version = current_version $app $global
	$dir = versiondir $app $version $global
	$manifest = installed_manifest $app $version $global
	$install = install_info $app $version $global
	$architecture = $install.architecture

	echo "uninstalling $app"
	run_uninstaller $manifest $architecture $dir
	rm_shims $manifest $global
	env_rm_path $manifest $dir $global
	env_rm $manifest $global

	$appdir = appdir $app $global
	try {
		rm -r -force $appdir -ea stop
	} catch {
		$errors = $true
		warn "couldn't remove $(friendly_path $appdir): $_.exception"
	}
}
function rm_dir($dir) {
	try {
		rm -r -force $dir -ea stop
	} catch {
		abort "couldn't remove $(friendly_path $dir): $_"
	}
}

# run uninstallation for each app if necessary, continuing if there's
# a problem deleting a directory (which is quite likely)
if($global) {
	installed_apps $true | % { # global apps
		do_uninstall $_ $true
	}
}
installed_apps $false | % { # local apps
	do_uninstall $_ $false
}

if($errors) {
	abort "not all apps could be deleted. try again or restart"
}

rm_dir $scoopdir
if($global) { rm_dir $globaldir }

remove_from_path (shimdir $false)
if($global) { remove_from_path (shimdir $true) }

success "scoop has been uninstalled"