#!/usr/bin/env bash
set -Eeuo pipefail
IFS=$'\n\t'

CLUSTER_NAME="${CLUSTER_NAME:-lab-cluster}"
RUNNER_NAME="${GITEA_RUNNER_CONTAINER:-gitea-runner}"
KUBECONFIG_PATH="${KUBECONFIG_PATH:-/DATA/.kube/config}"

export KUBECONFIG="$KUBECONFIG_PATH"

echo "== Políticas k3d =="
docker inspect \
  "k3d-${CLUSTER_NAME}-server-0" \
  "k3d-${CLUSTER_NAME}-agent-0" \
  "k3d-${CLUSTER_NAME}-agent-1" \
  "k3d-${CLUSTER_NAME}-serverlb" \
  --format '{{.Name}} restart={{.HostConfig.RestartPolicy.Name}} status={{.State.Status}}'

bad="$(
  docker inspect \
    "k3d-${CLUSTER_NAME}-server-0" \
    "k3d-${CLUSTER_NAME}-agent-0" \
    "k3d-${CLUSTER_NAME}-agent-1" \
    "k3d-${CLUSTER_NAME}-serverlb" \
    --format '{{.HostConfig.RestartPolicy.Name}}' |
  grep -v '^unless-stopped$' || true
)"
[[ -z "$bad" ]] || { echo "ERROR: k3d debe usar unless-stopped." >&2; exit 1; }

echo
echo "== Runner =="
docker inspect "$RUNNER_NAME" \
  --format '{{.Name}} restart={{.HostConfig.RestartPolicy.Name}} status={{.State.Status}}'

[[ "$(docker inspect -f '{{.HostConfig.RestartPolicy.Name}}' "$RUNNER_NAME")" == "unless-stopped" ]]
[[ "$(docker inspect -f '{{.State.Running}}' "$RUNNER_NAME")" == "true" ]]

echo
echo "== Docker independiente =="
test ! -f /etc/systemd/system/docker.service.d/10-k3d-storage.conf
echo "OK"

echo
echo "== Timer =="
systemctl is-enabled k3d-lab-ensure.timer
systemctl is-active k3d-lab-ensure.timer
systemctl cat k3d-lab-ensure.timer | grep -E 'OnBootSec=5min|Persistent=false'

echo
echo "== Kubernetes =="
k3d cluster list
kubectl get nodes

ready="$(
  kubectl get nodes \
    -o jsonpath='{range .items[*]}{.status.conditions[?(@.type=="Ready")].status}{"\n"}{end}' |
  grep -c '^True$' || true
)"
[[ "$ready" -eq 3 ]] || { echo "ERROR: nodos Ready=${ready}, esperado=3." >&2; exit 1; }

echo
echo "OK: listo para reinicio con orden estable."