#!/usr/bin/env bash

set -euo pipefail

export HELM_DRIVER=${HELM_DRIVER:-configmap}

registry=${CHART_REGISTRY:-oci://registry.brunner.ninja/feedc0de/charts}
version=${CHART_VERSION:?Set CHART_VERSION to the published chart version}
namespace=${NAMESPACE:-gramps}
release=${RELEASE:-gramps}
project_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)

helm_args=(
  upgrade --install "${release}" "${registry}/gramps-web"
  --version "${version}"
  --namespace "${namespace}"
  --values "${project_dir}/values-arschrock.yaml"
  --take-ownership --force-conflicts --wait --timeout 20m
)

# Remove the old raw-manifest containers left in the existing Deployments.
# The Helm chart now owns the correctly named application and worker containers;
# retaining both copies makes them contend for the same ports and resources.
for deployment in grampsweb grampsweb-celery; do
  legacy_container=${deployment}
  if kubectl --namespace "${namespace}" get "deployment/${deployment}" -o json \
    | jq --exit-status --arg name "${legacy_container}" \
      '.spec.template.spec.containers | any(.name == $name)' >/dev/null; then
    kubectl --namespace "${namespace}" patch "deployment/${deployment}" \
      --type=strategic \
      --patch "{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"${legacy_container}\",\"\$patch\":\"delete\"}]}}}}"
  fi
done

# Never auto-uninstall resources during the initial ownership transfer. Once
# the parent release exists, normal upgrades may safely roll back to it.
if helm status "${release}" --namespace "${namespace}" 2>/dev/null \
  | grep -q '^STATUS: deployed$'; then
  helm_args+=(--rollback-on-failure)
fi
helm "${helm_args[@]}"