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

# Build a clean distributable ZIP for Local Backend package.
#
# Usage:
#   ./scripts/build-local-backend-zip.sh
#   ./scripts/build-local-backend-zip.sh /path/to/source /path/to/output.zip

SOURCE_DIR="${1:-/Users/dwindown/Documents/agentic-writer-local-backend}"
OUTPUT_ZIP="${2:-/private/tmp/agentic-writer-local-backend.zip}"

if [[ ! -d "$SOURCE_DIR" ]]; then
  echo "Source directory not found: $SOURCE_DIR" >&2
  exit 1
fi

if ! command -v zip >/dev/null 2>&1; then
  echo "'zip' command is required but not found." >&2
  exit 1
fi

TMP_DIR="$(mktemp -d)"
trap 'rm -rf "$TMP_DIR"' EXIT

PKG_DIR="$TMP_DIR/agentic-writer-local-backend"
mkdir -p "$PKG_DIR"

# Copy only distributable files/directories (exclude runtime/build/noise files).
rsync -a \
  --exclude '.git/' \
  --exclude '.github/' \
  --exclude '.claude/' \
  --exclude '.sixth/' \
  --exclude 'node_modules/' \
  --exclude '.env' \
  --exclude '.env.*' \
  --exclude '*.log' \
  --exclude 'logs/' \
  --exclude '.DS_Store' \
  --exclude '__MACOSX/' \
  --exclude '*.zip' \
  "$SOURCE_DIR/" "$PKG_DIR/"

mkdir -p "$(dirname "$OUTPUT_ZIP")"
rm -f "$OUTPUT_ZIP"

(
  cd "$TMP_DIR"
  zip -r "$OUTPUT_ZIP" "agentic-writer-local-backend" >/dev/null
)

echo "Built package:"
echo "  Source: $SOURCE_DIR"
echo "  Output: $OUTPUT_ZIP"