#!/usr/bin/env bash
# =============================================================================
# CloudSearch · 构建、推送镜像 & 发布 Release
# =============================================================================
#
# 用法：
#   ./scripts/build-and-push.sh [版本号]
#
# 示例：
#   ./scripts/build-and-push.sh v0.3.32        # 指定版本
#   ./scripts/build-and-push.sh                # 自动读取 VERSION 文件
#
# 前置要求：
#   - Docker 已安装
#   - 已登录 Gitea 容器注册表：docker login gitea.timxx.cn
#   - Git 仓库已配置 remote
#
# =============================================================================

set -euo pipefail

# ── 配置 ────────────────────────────────────────────────────────────────────
REGISTRY="gitea.timxx.cn"
NAMESPACE="admin"
IMAGE_NAME="cloudsearch"
BUILD_DIR="$(cd "$(dirname "$0")/.." && pwd)"
SCRIPTS_DIR="$(cd "$(dirname "$0")" && pwd)"

# ── 版本号 ──────────────────────────────────────────────────────────────────
if [[ -n "${1:-}" ]]; then
  VERSION="$1"
  # 去掉 v 前缀（如果有），统一格式
  VERSION="${VERSION#v}"
else
  # 从 VERSION 文件读取
  VERSION_FILE="$BUILD_DIR/VERSION"
  if [[ ! -f "$VERSION_FILE" ]]; then
    echo "❌ VERSION 文件不存在，请指定版本号：$0 vX.Y.Z"
    exit 1
  fi
  VERSION="$(cat "$VERSION_FILE")"
fi

FULL_TAG="${REGISTRY}/${NAMESPACE}/${IMAGE_NAME}:v${VERSION}"
LATEST_TAG="${REGISTRY}/${NAMESPACE}/${IMAGE_NAME}:latest"
LOCAL_TAG="cloudsearch-app:v${VERSION}"

echo "═══════════════════════════════════════════════════════════"
echo "  CloudSearch 构建 & 发布"
echo "  版本: v${VERSION}"
echo "  镜像: ${FULL_TAG}"
echo "═══════════════════════════════════════════════════════════"
echo ""

# ── 1. 更新 VERSION 文件 ───────────────────────────────────────────────────
echo "📝 [1/5] 更新 VERSION 文件..."
echo "$VERSION" > "$VERSION_FILE"
echo "        VERSION → $(cat $VERSION_FILE)"

# ── 2. 构建 Docker 镜像 ─────────────────────────────────────────────────────
echo ""
echo "🔨 [2/5] 构建 Docker 镜像..."
cd "$BUILD_DIR/source_clean"
docker build \
  -t "$LOCAL_TAG" \
  -t "cloudsearch-app:latest" \
  .
echo "        ✅ 本地镜像构建完成: $LOCAL_TAG"

# ── 3. 标记镜像 ─────────────────────────────────────────────────────────────
echo ""
echo "🏷️  [3/5] 标记镜像..."
docker tag "cloudsearch-app:latest" "$FULL_TAG"
docker tag "cloudsearch-app:latest" "$LATEST_TAG"
echo "        $FULL_TAG"
echo "        $LATEST_TAG"

# ── 4. 推送镜像 ─────────────────────────────────────────────────────────────
echo ""
echo "📤 [4/5] 推送镜像到私有仓库..."
docker push "$FULL_TAG"
docker push "$LATEST_TAG"
echo "        ✅ 推送完成"

# ── 5. 创建 Git 标签 ───────────────────────────────────────────────────────
echo ""
echo "🏷️  [5/5] 创建 Git 标签..."
cd "$BUILD_DIR"
git add VERSION
git commit -m "release: v${VERSION}" || echo "        (无变更，跳过 commit)"
git tag -a "v${VERSION}" -m "Release v${VERSION}"
echo "        标签 v${VERSION} 已创建（稍后 git push --tags）"

# ── 完成 ────────────────────────────────────────────────────────────────────
echo ""
echo "═══════════════════════════════════════════════════════════"
echo "  ✅ 发布完成！"
echo ""
echo "  推送到远程："
echo "    git push origin master --tags"
echo ""
echo "  生产部署："
echo "    docker pull ${FULL_TAG}"
echo "    docker compose up -d app"
echo ""
echo "  验证："
echo "    curl -s http://localhost:9527/health | jq .version"
echo "═══════════════════════════════════════════════════════════"