#!/bin/bash
# ============================================================
# ZoneAlarm 打包脚本 (在开发机上执行)
# 产物: deploy/zone_alarm_v<版本号>_<日期>.tar.gz
# 目标机解压后: sudo bash install.sh
# ============================================================
set -e
cd "$(dirname "$0")/.."

# --- 版本号管理 ---
# 从 CMakeLists.txt 读取版本号
VERSION=$(grep -E "project\(zone_alarm VERSION" CMakeLists.txt | sed -n 's/.*VERSION \([0-9.]*\).*/\1/p')
if [ -z "$VERSION" ]; then
    VERSION="0.0.1"
    echo "[WARN] 未找到版本号, 使用默认: $VERSION"
fi
TIMESTAMP=$(date +%Y%m%d_%H%M)
PKG_NAME="zone_alarm_v${VERSION}_${TIMESTAMP}"
echo "[INFO] 版本: $VERSION, 包名: $PKG_NAME"

# --- 编译 ---
echo "== 编译 Release =="
./build.sh

# --- 收集文件 ---
STAGE="deploy/pkg/$PKG_NAME"
echo "== 收集文件 =="
rm -rf deploy/pkg
mkdir -p "$STAGE/lib" "$STAGE/config" "$STAGE/models" "$STAGE/web"

cp build/zone_alarm "$STAGE/"
cp web/index.html web/login.html "$STAGE/web/"
cp logo.png logo.ico "$STAGE/"
cp models/*.rknn "$STAGE/models/" 2>/dev/null || echo "[WARN] models目录无rknn模型"
cp config/config.json "$STAGE/config/config.example.json"
cp deploy/install.sh deploy/run.sh deploy/zone_alarm.service "$STAGE/"

# --- 版本信息文件 ---
cat > "$STAGE/VERSION.txt" << EOF
ZoneAlarm $VERSION
Build: $TIMESTAMP
Date: $(date '+%Y-%m-%d %H:%M:%S')
EOF

# --- 变更日志生成 ---
echo "== 生成变更日志 =="
CHANGELOG="$STAGE/CHANGELOG.md"
cat > "$CHANGELOG" << EOF
# ZoneAlarm $VERSION

**构建时间:** $(date '+%Y-%m-%d %H:%M:%S')

## 更新内容

EOF

# 检查是否有 git，尝试生成 git log 变更
if command -v git &>/dev/null && git rev-parse --is-inside-work-tree &>/dev/null; then
    # 获取上一个 tag 或最近 20 条 commit
    LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
    if [ -n "$LAST_TAG" ]; then
        echo "### 自 $LAST_TAG 以来的变更" >> "$CHANGELOG"
        git log "$LAST_TAG"..HEAD --pretty=format:"- %s (%h)" --no-merges 2>/dev/null >> "$CHANGELOG" || true
    else
        echo "### 最近变更" >> "$CHANGELOG"
        git log -20 --pretty=format:"- %s (%h)" --no-merges 2>/dev/null >> "$CHANGELOG" || true
    fi
    echo "" >> "$CHANGELOG"
else
    echo "- 首次打包发布" >> "$CHANGELOG"
    echo "" >> "$CHANGELOG"
fi

# 添加构建信息
cat >> "$CHANGELOG" << EOF
## 构建信息

- **版本:** $VERSION
- **构建类型:** Release
- **目标架构:** $(uname -m)
- **构建时间:** $(date '+%Y-%m-%d %H:%M:%S')

## 部署说明

1. 拷贝到目标机: \`scp $PKG_NAME.tar.gz root@目标机:/tmp/\`
2. 解压: \`cd /tmp && tar xzf $PKG_NAME.tar.gz\`
3. 安装: \`cd $PKG_NAME && sudo bash install.sh\`

可选环境变量:
- \`ZA_PORT=80\` - Web 端口
- \`ZA_INSTALL_DIR=/opt/zone_alarm\` - 安装目录
EOF

# --- 收集运行库 ---
echo "== 收集运行库 (ldd闭包, 排除glibc核心) =="
ldd build/zone_alarm | awk '
    /=> \// {print $3}
    /^\//   {print $1}
' | sort -u | while read -r lib; do
    case "$lib" in
        */ld-linux-*|*/libc.so.*|*/libm.so.*|*/libpthread*|*/libdl*|\
        */librt.so.*|*/libresolv.so.*) ;;                 # 目标机自带
        *) cp -L "$lib" "$STAGE/lib/" ;;
    esac
done
LIBN=$(ls "$STAGE/lib" | wc -l)
LIBSZ=$(du -sh "$STAGE/lib" | cut -f1)
echo "  已收集 $LIBN 个库 ($LIBSZ)"

# --- 压缩 ---
echo "== 压缩 =="
OUT="deploy/${PKG_NAME}.tar.gz"
tar czf "$OUT" -C deploy/pkg "$PKG_NAME"
rm -rf deploy/pkg

SIZE=$(du -sh "$OUT" | cut -f1)
echo ""
echo "========================================="
echo "  打包完成: $OUT ($SIZE)"
echo "  版本号: $VERSION"
echo "  部署方法:"
echo "    1. 拷贝到目标机:  scp $OUT root@目标机:/tmp/"
echo "    2. 解压:          cd /tmp && tar xzf ${PKG_NAME}.tar.gz"
echo "    3. 安装:          cd $PKG_NAME && sudo bash install.sh"
echo "     (可选环境变量: ZA_PORT=80 ZA_INSTALL_DIR=/opt/zone_alarm)"
echo "========================================="