#!/usr/bin/env bash
# ============================================
#  服务管理中心 - 构建 + 打包 + 运行 一键脚本
# ============================================

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
ACTION="${1:-run}"

# ---------- 颜色 ----------
RED='\033[0;31m'
GREEN='\033[0;32m'
CYAN='\033[0;36m'
NC='\033[0m'

info()  { echo -e "${CYAN}[INFO]${NC} $*"; }
ok()    { echo -e "${GREEN}[OK]${NC} $*"; }
err()   { echo -e "${RED}[ERROR]${NC} $*" >&2; }

# ---------- 帮助 ----------
show_usage() {
    echo ""
    echo "  用法: ./run.sh [命令]"
    echo ""
    echo "  命令:"
    echo "    (无参数)   构建前端 + 打包后端 + 启动服务"
    echo "    build      仅构建前端 + 打包后端（不启动）"
    echo "    run        构建 + 打包 + 启动（同默认行为）"
    echo "    clean      清理所有构建产物和运行时数据"
    echo "    help       显示此帮助信息"
    echo ""
    exit 0
}

case "$ACTION" in
    help|-h|--help) show_usage ;;
esac

echo ""
echo "============================================"
echo "  服务管理中心 - $ACTION"
echo "============================================"
echo ""

# ---------- 检查环境 ----------
check_cmd() {
    if ! command -v "$1" &>/dev/null; then
        err "未找到 $1，请确保已安装并加入 PATH"
        exit 1
    fi
}

check_cmd java
check_cmd mvn
check_cmd node

# ---------- 清理 ----------
if [ "$ACTION" = "clean" ]; then
    info "清理前端构建产物..."
    rm -rf "$SCRIPT_DIR/frontend/dist"
    rm -rf "$SCRIPT_DIR/backend/src/main/resources/static"

    info "清理后端构建产物..."
    rm -rf "$SCRIPT_DIR/backend/target"

    info "清理运行时数据..."
    rm -rf "$SCRIPT_DIR/data"

    echo ""
    ok "清理完成"
    exit 0
fi

# ---------- 构建前端 ----------
info "[1/4] 安装前端依赖..."
cd "$SCRIPT_DIR/frontend"
npm install --silent 2>/dev/null

info "[2/4] 构建前端..."
npx vite build

info "[3/4] 复制前端产物到后端静态资源目录..."
rm -rf "$SCRIPT_DIR/backend/src/main/resources/static"
cp -r "$SCRIPT_DIR/frontend/dist" "$SCRIPT_DIR/backend/src/main/resources/static"

# ---------- 打包后端 ----------
info "[4/4] 打包后端 (mvn package)..."
cd "$SCRIPT_DIR/backend"
mvn package -DskipTests -q

echo ""
ok "构建打包完成！"
echo ""

if [ "$ACTION" = "build" ]; then
    echo "提示: 使用 ./run.sh run 启动服务"
    exit 0
fi

# ---------- 运行 ----------
echo "----------------------------------------"
echo "  启动服务 (端口 3945)"
echo "  访问 http://localhost:3945"
echo "  按 Ctrl+C 停止"
echo "----------------------------------------"
echo ""

cd "$SCRIPT_DIR/backend"
exec java -jar target/service-management-1.0.0.jar