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

RELEASE_NAME="${1:-rel_$(date -u +%Y-%m-%d)_messages-v1}"
TABLE="${MESSAGES_TABLE:-lake.db1.messages}"
MANIFEST_LOCAL="${2:-./manifests/${RELEASE_NAME}.json}"
DESCRIPTION="${RELEASE_DESCRIPTION:-Messages release for ${TABLE}}"
CREATED_BY="${RELEASE_CREATED_BY:-${USER:-unknown}}"
NESSIE_URI="${NESSIE_URI:-http://nessie:19120/api/v2}"
RELEASES_TABLE="${RELEASES_TABLE:-lake.db1.releases_v2}"

CONTAINER_NAME="${SPARK_CONTAINER_NAME:-spark}"
SPARK_PROPS="${SPARK_PROPS:-/opt/lakehouse/spark-conf/lakehouse-spark-defaults.conf}"
PACKAGES="${SPARK_PACKAGES:-org.apache.iceberg:iceberg-spark-runtime-3.5_2.12:1.10.1,org.apache.iceberg:iceberg-aws-bundle:1.10.1,org.projectnessie.nessie-integrations:nessie-spark-extensions-3.5_2.12:0.104.5}"

SCRIPT_LOCAL="${SCRIPT_LOCAL:-./create_release_manifest.py}"
SCRIPT_REMOTE="/tmp/create_release_manifest.py"
MANIFEST_REMOTE="/tmp/${RELEASE_NAME}.json"

if [[ ! -f "$SCRIPT_LOCAL" ]]; then
  echo "create_release_manifest.py not found at: $SCRIPT_LOCAL" >&2
  exit 1
fi

mkdir -p "$(dirname "$MANIFEST_LOCAL")"

docker cp "$SCRIPT_LOCAL" "$CONTAINER_NAME":"$SCRIPT_REMOTE"

docker exec \
  -e AWS_REGION="${AWS_REGION:-us-east-1}" \
  -e AWS_DEFAULT_REGION="${AWS_DEFAULT_REGION:-us-east-1}" \
  "$CONTAINER_NAME" \
  /opt/spark/bin/spark-submit \
    --properties-file "$SPARK_PROPS" \
    --packages "$PACKAGES" \
    "$SCRIPT_REMOTE" \
      --release-name "$RELEASE_NAME" \
      --table "$TABLE" \
      --nessie-uri "$NESSIE_URI" \
      --manifest-out "$MANIFEST_REMOTE" \
      --description "$DESCRIPTION" \
      --created-by "$CREATED_BY" \
      --releases-table "$RELEASES_TABLE"

docker cp "$CONTAINER_NAME":"$MANIFEST_REMOTE" "$MANIFEST_LOCAL"

echo "[DONE] Saved manifest: $MANIFEST_LOCAL"