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

# 在我方受控构建机生成一次性的 shunfeng runtime 引导包，不包含业务镜像和源码。

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ISOLATED_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
EMP_ROOT="${EMP_ROOT:-}"
DIST_DIR="${DIST_DIR:-$ISOLATED_DIR/dist}"
BUILD_TIME="${BUILD_TIME:-$(date '+%Y%m%d%H%M%S')}"
PACKAGE_NAME="${PACKAGE_NAME:-emp-shunfeng-runtime-bootstrap-$BUILD_TIME}"
PACKAGE_DIR="$DIST_DIR/$PACKAGE_NAME"
PACKAGE_ARCHIVE="$DIST_DIR/$PACKAGE_NAME.tar.gz"

die() {
  echo "ERROR: $*" >&2
  exit 1
}

[[ -n "$EMP_ROOT" ]] || die "set EMP_ROOT to the directory containing emp_server"
[[ -f "$EMP_ROOT/emp_server/.env.example" ]] || die "missing $EMP_ROOT/emp_server/.env.example"
[[ ! -e "$PACKAGE_DIR" && ! -e "$PACKAGE_ARCHIVE" ]] || die "package output already exists: $PACKAGE_NAME"

mkdir -p "$PACKAGE_DIR"
cp "$SCRIPT_DIR/docker-compose.yml" "$PACKAGE_DIR/docker-compose.yml"
cp "$SCRIPT_DIR/release.env.example" "$PACKAGE_DIR/release.env.example"
cp "$SCRIPT_DIR/install-runtime.sh" "$PACKAGE_DIR/install-runtime.sh"
cp "$SCRIPT_DIR/README.md" "$PACKAGE_DIR/README.md"
cp "$ISOLATED_DIR/deploy-from-url.sh" "$PACKAGE_DIR/deploy-from-url.sh"
cp "$EMP_ROOT/emp_server/.env.example" "$PACKAGE_DIR/.env.example"
chmod +x "$PACKAGE_DIR/install-runtime.sh" "$PACKAGE_DIR/deploy-from-url.sh"

mkdir -p "$DIST_DIR"
tar -czf "$PACKAGE_ARCHIVE" -C "$DIST_DIR" "$PACKAGE_NAME"

echo "Runtime bootstrap package: $PACKAGE_ARCHIVE"
if command -v sha256sum >/dev/null 2>&1; then
  sha256sum "$PACKAGE_ARCHIVE"
fi