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

ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
ARTIFACT_DIR="${ROOT_DIR}/artifacts"
ZIP_PATH="${ARTIFACT_DIR}/blog-lambda-source.zip"

echo "Building artifact for blog-lambda pipeline..."
echo "Root directory: ${ROOT_DIR}"

mkdir -p "${ARTIFACT_DIR}"

# Create temporary directory for staging files
tmpdir="$(mktemp -d)"
trap 'rm -rf "${tmpdir}"' EXIT

# Copy necessary files for CodeBuild
echo "Copying source files..."
cp -r "${ROOT_DIR}/cmd"                  "${tmpdir}/cmd"
cp -r "${ROOT_DIR}/docker"               "${tmpdir}/docker"
cp -r "${ROOT_DIR}/ci"                   "${tmpdir}/ci"
cp    "${ROOT_DIR}/go.mod"               "${tmpdir}/go.mod"
cp    "${ROOT_DIR}/go.sum"               "${tmpdir}/go.sum"

# Create the ZIP archive
echo "Creating ZIP archive..."
(
  cd "${tmpdir}"
  zip -r "${ZIP_PATH}" . -x "*.git*" "*.DS_Store"
)

# Display artifact info
echo ""
echo "✅ Artifact created successfully!"
echo "   Path: ${ZIP_PATH}"
echo "   Size: $(du -h "${ZIP_PATH}" | cut -f1)"
echo ""
echo "To upload to S3:"
echo "  aws s3 cp ${ZIP_PATH} s3://\${BUCKET_NAME}/blog-lambda-source.zip"