#!/usr/bin/env bash

# set -x

CRD_NAMES=$1
MAPPING_CONFIG=$2

for extension in `kubectl get installplan -o json | jq -r '.items[] | select(.status.state == "Installed") | .metadata.name'`
do
  namespace=$(kubectl get installplan $extension -o=jsonpath='{.status.targetNamespace}')
  version=$(kubectl get extension $extension -o=jsonpath='{.status.installedVersion}')
  extensionversion=$extension-$version
  echo "Found extension $extensionversion installed"
  helm status $extension --namespace $namespace
  if [ $? -eq 0 ]; then
    helm mapkubeapis $extension --namespace $namespace --mapfile $MAPPING_CONFIG
  fi
  helm status $extension-agent --namespace $namespace
  if [ $? -eq 0 ]; then
    helm mapkubeapis $extension-agent --namespace $namespace --mapfile $MAPPING_CONFIG
  fi
done


# remove namespace's finalizers && ownerReferences
kubectl patch workspaces.tenant.kubesphere.io system-workspace -p '{"metadata":{"finalizers":[]}}' --type=merge
kubectl patch workspacetemplates.tenant.kubesphere.io system-workspace -p '{"metadata":{"finalizers":[]}}' --type=merge
for ns in $(kubectl get ns -o jsonpath='{.items[*].metadata.name}' -l 'kubesphere.io/managed=true')
do
  kubectl label ns $ns kubesphere.io/workspace- && \
  kubectl patch ns $ns -p '{"metadata":{"ownerReferences":[]}}' --type=merge && \
  echo "{\"kind\":\"Namespace\",\"apiVersion\":\"v1\",\"metadata\":{\"name\":\"$ns\",\"finalizers\":null}}" | kubectl replace --raw "/api/v1/namespaces/$ns/finalize" -f -
done


# delete crds
for crd in `kubectl get crds -o jsonpath="{.items[*].metadata.name}"`
do
  if [[ ${CRD_NAMES[@]/${crd}/} != ${CRD_NAMES[@]} ]]; then
     scop=$(eval echo $(kubectl get crd ${crd} -o jsonpath="{.spec.scope}"))
     if [[ $scop =~ "Namespaced" ]] ; then
        kubectl get $crd -A --no-headers | awk '{print $1" "$2" ""'$crd'"}' | xargs -n 3 sh -c 'kubectl patch $2 -n $0 $1 -p "{\"metadata\":{\"finalizers\":null}}" --type=merge 2>/dev/null && kubectl delete $2 -n $0 $1 2>/dev/null'
     else
        kubectl get $crd -A --no-headers | awk '{print $1" ""'$crd'"}' | xargs -n 2 sh -c 'kubectl patch $1 $0 -p "{\"metadata\":{\"finalizers\":null}}" --type=merge 2>/dev/null && kubectl delete $1 $0 2>/dev/null'
     fi
     kubectl delete crd $crd 2>/dev/null;
  fi
done