#!/usr/bin/env bash
# build-push.sh — build and push humor-units image to the in-cluster registry
# Usage: ./build-push.sh [tag]
# Requires: buildah, kubectl
set -euo pipefail

TAG="${1:-latest}"
# In-cluster address — how the deployment manifest references the image
REGISTRY="registry.registry.svc.cluster.local:5000"
IMAGE="$REGISTRY/humor-units:$TAG"

echo "==> Port-forwarding registry (localhost:5000 -> in-cluster registry)..."
kubectl port-forward -n registry svc/registry 5000:5000 &
PF_PID=$!
trap "kill $PF_PID 2>/dev/null" EXIT
sleep 2

echo "==> Building $IMAGE..."
buildah build \
  --format docker \
  --tag "$IMAGE" \
  "$(dirname "$0")"

echo "==> Pushing via port-forward (localhost:5000)..."
# Push to localhost:5000 (the port-forward tunnel) but with the in-cluster tag.
# buildah push accepts a separate destination so we don't retag.
buildah push \
  --tls-verify=false \
  "$IMAGE" \
  "docker://localhost:5000/humor-units:$TAG"

echo "==> Restarting humor-units deployment..."
kubectl rollout restart deployment/humor-units -n default

echo "==> Done. Waiting for rollout..."
kubectl rollout status deployment/humor-units -n default