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

ROOT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)"
cd "${ROOT_DIR}"

PROJECT_ID="propane-will-491900-m5"
REGION="us-central1"
REPOSITORY="us-central1-docker.pkg.dev/${PROJECT_ID}/osvauco-repo"
MCP_SERVICE="opax-mcp"
MCP_IMAGE="${REPOSITORY}/opax-mcp"

# Emma runtime requires Direct VPC egress to the internal Ollama host.
# Keep this explicit: a prior manual deployment lost these settings.
MCP_NETWORK="default"
MCP_SUBNET="default"
MCP_VPC_EGRESS="private-ranges-only"
MCP_OLLAMA_BASE_URL="http://10.128.0.15:11434"


echo "==> Submitting MCP Cloud Build"

BUILD_ID="$(
  gcloud builds submit \
    --async \
    --project="${PROJECT_ID}" \
    --region="${REGION}" \
    --config="cloudbuild.build-only.yaml" \
    --format="value(id)" \
    .
)"

if [[ -z "${BUILD_ID}" ]]; then
  echo "ERROR: Cloud Build did not return a build ID." >&2
  exit 1
fi

echo "==> Cloud Build ID: ${BUILD_ID}"
echo "==> Streaming Cloud Build logs"

set +e
gcloud builds log "${BUILD_ID}" \
  --project="${PROJECT_ID}" \
  --region="${REGION}" \
  --stream
BUILD_LOG_EXIT_CODE=$?
set -e

BUILD_STATUS="$(
  gcloud builds describe "${BUILD_ID}" \
    --project="${PROJECT_ID}" \
    --region="${REGION}" \
    --format="value(status)"
)"

IMAGE_REF="$(
  gcloud builds describe "${BUILD_ID}" \
    --project="${PROJECT_ID}" \
    --region="${REGION}" \
    --format="value(results.images[0].name)"
)"

if [[ -z "${IMAGE_REF}" ]]; then
  IMAGE_REF="${MCP_IMAGE}:${BUILD_ID}"
fi

if [[ "${IMAGE_REF}" == *@sha256:* ]]; then
  DEPLOY_IMAGE="${IMAGE_REF}"
else
  IMAGE_DIGEST="$(
    gcloud artifacts docker images describe "${IMAGE_REF}" \
      --project="${PROJECT_ID}" \
      --format="value(image_summary.digest)"
  )"

  if [[ -z "${IMAGE_DIGEST}" ]]; then
    echo "ERROR: No pushed MCP image digest was found." >&2
    echo "Cloud Build status: ${BUILD_STATUS}" >&2
    echo "Cloud Build log exit code: ${BUILD_LOG_EXIT_CODE}" >&2
    exit 1
  fi

  DEPLOY_IMAGE="${MCP_IMAGE}@${IMAGE_DIGEST}"
fi

echo "==> Cloud Build status: ${BUILD_STATUS}"
echo "==> Deploying immutable MCP image:"
echo "${DEPLOY_IMAGE}"

gcloud run deploy "${MCP_SERVICE}" \
  --project="${PROJECT_ID}" \
  --region="${REGION}" \
  --image="${DEPLOY_IMAGE}" \
  --network="${MCP_NETWORK}" \
  --subnet="${MCP_SUBNET}" \
  --vpc-egress="${MCP_VPC_EGRESS}" \
  --update-env-vars="OLLAMA_BASE_URL=${MCP_OLLAMA_BASE_URL}" \
  --quiet

echo
echo "==> Active MCP deployment"

gcloud run services describe "${MCP_SERVICE}" \
  --project="${PROJECT_ID}" \
  --region="${REGION}" \
  --format="table(
    metadata.name,
    status.url,
    status.latestReadyRevisionName,
    status.traffic[0].revisionName,
    spec.template.spec.containers[0].image
  )"

echo
echo "MCP deployment complete."
echo "Cloud Build log exit code: ${BUILD_LOG_EXIT_CODE}"