#!/usr/bin/env bash
# T80: Gateway.spec.selector가 실제 워크로드 pod label과 일치해야 listener가 생성된다
set -euo pipefail

NS=istio-vt-t80
DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

cleanup() {
  kubectl delete namespace "$NS" --wait=false --ignore-not-found >/dev/null 2>&1 || true
}
trap cleanup EXIT

kubectl create namespace "$NS"
kubectl label namespace "$NS" istio-injection=enabled

kubectl apply -f "$DIR/manifest.yaml"

kubectl -n "$NS" wait --for=condition=Ready pod/client --timeout=90s
kubectl -n "$NS" rollout status deploy/selectormismatch-gw --timeout=90s

echo "### listener count with mismatched selector (expect 0) ###"
istioctl proxy-config listener "deploy/selectormismatch-gw.$NS" --port 8080 -o json | jq 'length'

kubectl -n "$NS" patch gateway selectormismatch-gw --type merge \
  -p '{"spec":{"selector":{"istio":"selectormismatch-gw"}}}'

sleep 8

echo "### listener count after selector fixed (expect >=1) ###"
istioctl proxy-config listener "deploy/selectormismatch-gw.$NS" --port 8080 -o json | jq 'length'