#!/usr/bin/env bash
set -euo pipefail

# CI-friendly wrapper to build the console runner image with baked npm/Playwright caches
# and emit a tarball + metadata for offline distribution.
#
# Inputs (env):
#   RUN_ID           : unique run identifier (default: $GITHUB_RUN_ID or UTC timestamp)
#   IMAGE_TAG        : optional override of image tag (default: stellaops/console-runner:offline-$RUN_ID)
#   OUTPUT_TAR       : optional override of tarball path (default: ops/devops/artifacts/console-runner/console-runner-$RUN_ID.tar)
#   APP_DIR          : optional override of app directory (default: src/Web/StellaOps.Web)

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
RUN_ID="${RUN_ID:-${GITHUB_RUN_ID:-$(date -u +%Y%m%dT%H%M%SZ)}}"
APP_DIR="${APP_DIR:-src/Web/StellaOps.Web}"
IMAGE_TAG="${IMAGE_TAG:-stellaops/console-runner:offline-$RUN_ID}"
OUTPUT_TAR="${OUTPUT_TAR:-$ROOT/ops/devops/artifacts/console-runner/console-runner-$RUN_ID.tar}"
META_DIR="$(dirname "$OUTPUT_TAR")"
META_JSON="$META_DIR/console-runner-$RUN_ID.json"

mkdir -p "$META_DIR"

IMAGE_TAG="$IMAGE_TAG" OUTPUT_TAR="$OUTPUT_TAR" APP_DIR="$APP_DIR" "$ROOT/ops/devops/console/build-runner-image.sh"

digest="$(docker image inspect --format='{{index .RepoDigests 0}}' "$IMAGE_TAG" || true)"
id="$(docker image inspect --format='{{.Id}}' "$IMAGE_TAG" || true)"

cat > "$META_JSON" <<EOF
{
  "run_id": "$RUN_ID",
  "image_tag": "$IMAGE_TAG",
  "image_id": "$id",
  "repo_digest": "$digest",
  "output_tar": "$(python - <<PY
import os, sys
print(os.path.relpath("$OUTPUT_TAR","$ROOT"))
PY
)"
}
EOF

echo "Built $IMAGE_TAG"
echo "Saved tarball: $OUTPUT_TAR"
echo "Metadata: $META_JSON"