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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
DIST_DIR="$ROOT_DIR/dist"
TIMESTAMP="$(date +%Y%m%d-%H%M%S)"
PACKAGE_ROOT="$DIST_DIR/edge-agent-linux-$TIMESTAMP"
RUNTIME_ROOT="$PACKAGE_ROOT/runtime/python"
ARCHIVE_PATH="$DIST_DIR/edge-agent-linux-$TIMESTAMP.tar.gz"
PYTHON_HOME="${1:-${EDGE_PYTHON_HOME:-}}"

if [[ -z "$PYTHON_HOME" ]]; then
  echo "Python runtime directory is required. Pass it as the first argument or set EDGE_PYTHON_HOME." >&2
  exit 1
fi

mkdir -p "$PACKAGE_ROOT"
mkdir -p "$RUNTIME_ROOT"
mkdir -p "$DIST_DIR"

cp -r "$ROOT_DIR/app" "$PACKAGE_ROOT/"
cp "$ROOT_DIR/README.md" "$PACKAGE_ROOT/"
cp "$ROOT_DIR/pyproject.toml" "$PACKAGE_ROOT/"
cp "$ROOT_DIR/scripts/start-linux.sh" "$PACKAGE_ROOT/start.sh"
cp -r "$PYTHON_HOME"/. "$RUNTIME_ROOT"/

tar -czf "$ARCHIVE_PATH" -C "$PACKAGE_ROOT" .
echo "$ARCHIVE_PATH"