#!/usr/bin/env bash
# build-images.sh — 构建 AgentKit Docker 镜像并保存为 tarball（离线安装用）
# 用法：bash build-images.sh [IMAGE_REPO] [IMAGE_TAG] [DIST_DIR]
set -euo pipefail

IMAGE_REPO="${1:-fischer-agentkit}"
IMAGE_TAG="${2:-0.1.0}"
DIST_DIR="${3:-dist}"
REPO_ROOT="$(cd "$(dirname "$0")/../../.." && pwd)"

mkdir -p "$DIST_DIR"
cd "$REPO_ROOT"

IMAGE_REF="${IMAGE_REPO}:${IMAGE_TAG}"
echo "==> 构建 Docker 镜像：${IMAGE_REF}"
docker build -t "${IMAGE_REF}" -f Dockerfile .

TARBALL="${DIST_DIR}/agentkit-image-${IMAGE_TAG}.tar.gz"
echo "==> 保存镜像到 tarball：${TARBALL}"
# ponytail: gzip 压缩镜像，离线传输体积更小；docker save 默认未压缩。
docker save "${IMAGE_REF}" | gzip > "${TARBALL}"

echo "==> 完成。产物：${TARBALL}"
echo "    大小：$(du -h "${TARBALL}" | cut -f1)"