#!/usr/bin/env bash
# 不通过 Docker，直接在本机启动：API(9527) + Web(9528) + Admin(9529)
# 自动检测并安装 Go、Node.js：Debian/Ubuntu 用 apt；Alibaba Cloud Linux（含等保三级版）用 yum/dnf；否则装到 $HOME。MongoDB 需自行安装或配置远程 MONGODB_URI
# 用法：chmod +x start-direct.sh && ./start-direct.sh
# 行尾：LF
set -e
ROOT="${PROJECT_ROOT:-$(cd "$(dirname "$0")" && pwd)}"
cd "$ROOT"
PIDFILE="$ROOT/.direct-run.pids"
INSTALL_ROOT="${INSTALL_ROOT:-$HOME}"

# 是否能用 apt（Debian/Ubuntu 且可 sudo）
USE_APT=false
if command -v apt-get >/dev/null 2>&1; then
  if [ "$(id -u)" = 0 ] || sudo -n true 2>/dev/null; then
    USE_APT=true
  fi
fi
# 是否能用 yum/dnf（Alibaba Cloud Linux / CentOS / RHEL 等，含等保三级版）
USE_YUM=false
if command -v dnf >/dev/null 2>&1 || command -v yum >/dev/null 2>&1; then
  if [ "$(id -u)" = 0 ] || sudo -n true 2>/dev/null; then
    USE_YUM=true
  fi
fi

# ---------- 自动安装 Go（未安装时）----------
if ! command -v go >/dev/null 2>&1; then
  if [ "$USE_APT" = true ]; then
    echo "未检测到 Go，正在通过 apt 安装..."
    sudo -n apt-get update -qq
    sudo -n apt-get install -y golang-go
    echo "Go 已安装: $(go version)"
  elif [ "$USE_YUM" = true ]; then
    echo "未检测到 Go，正在通过 yum/dnf 安装（兼容等保镜像）..."
    if command -v dnf >/dev/null 2>&1; then
      sudo -n dnf install -y golang
    else
      sudo -n yum install -y golang
    fi
    echo "Go 已安装: $(go version)"
  else
    echo "未检测到 Go，正在安装到 $INSTALL_ROOT/go-install ..."
    GO_VER="1.21.13"
    case "$(uname -m)" in
      x86_64) GO_ARCH=amd64 ;;
      aarch64|arm64) GO_ARCH=arm64 ;;
      *) GO_ARCH=amd64 ;;
    esac
    GO_TGZ="go${GO_VER}.linux-${GO_ARCH}.tar.gz"
    GO_URL="https://go.dev/dl/${GO_TGZ}"
    mkdir -p "$INSTALL_ROOT/go-install"
    ( cd "$INSTALL_ROOT" && ( curl -sL "$GO_URL" -o "$GO_TGZ" || wget -q -O "$GO_TGZ" "$GO_URL" ) && tar -xzf "$GO_TGZ" && mv go go-install && rm -f "$GO_TGZ" )
    export GOROOT="$INSTALL_ROOT/go-install"
    export PATH="$GOROOT/bin:$PATH"
    echo "Go 已安装: $(go version)"
  fi
fi

# ---------- 自动安装 Node.js（未安装时）----------
if ! command -v node >/dev/null 2>&1; then
  if [ "$USE_APT" = true ]; then
    echo "未检测到 Node.js，正在通过 apt + NodeSource 安装 Node 20..."
    curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -
    sudo -n apt-get install -y nodejs
    echo "Node 已安装: $(node -v)"
  elif [ "$USE_YUM" = true ]; then
    echo "未检测到 Node.js，正在通过 dnf/yum + NodeSource 安装 Node 20（兼容等保镜像）..."
    curl -fsSL https://rpm.nodesource.com/setup_20.x | sudo bash -
    if command -v dnf >/dev/null 2>&1; then
      sudo -n dnf install -y nodejs
    else
      sudo -n yum install -y nodejs
    fi
    echo "Node 已安装: $(node -v)"
  else
    echo "未检测到 Node.js，正在通过 nvm 安装..."
    export NVM_DIR="${NVM_DIR:-$HOME/.nvm}"
    if [ ! -s "$NVM_DIR/nvm.sh" ]; then
      mkdir -p "$NVM_DIR"
      ( curl -sL https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh || wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh ) | bash
    fi
    [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
    nvm install 20
    nvm use 20
    echo "Node 已安装: $(node -v)"
  fi
fi
# 若已有 nvm，确保当前 shell 可用
[ -s "${NVM_DIR:-$HOME/.nvm}/nvm.sh" ] && \. "${NVM_DIR:-$HOME/.nvm}/nvm.sh" 2>/dev/null || true

[ -f server/.env ] && sed -i 's/\r$//' server/.env
[ -f server/.env ] && set -a && source server/.env && set +a
export PORT="${PORT:-9527}"

mkdir -p "$ROOT/logs"
echo "=========================================="
echo "  yh_web 直接启动（无 Docker）"
echo "  路径: $ROOT"
echo "  API:9527  Web:9528  Admin:9529"
echo "=========================================="
: > "$PIDFILE"

# 1) API
echo "启动 API (port $PORT)..."
cd "$ROOT/server"
go build -o yh_api . 2>/dev/null || true
nohup ./yh_api >> "$ROOT/logs/api.log" 2>&1 &
echo $! >> "$PIDFILE"
cd "$ROOT"
sleep 1

# 避免 npm/vite 在脚本里只显示不刷新的 spinner，改为逐行输出
export CI=1
export FORCE_COLOR=0

# 2) Web 前端（需先构建；在服务器上重新安装依赖以获取当前平台 rollup 等原生包）
echo "构建并启动 Web (port 9528)..."
cd "$ROOT/web"
rm -rf node_modules package-lock.json
echo "  [web] npm install（约 1～3 分钟）..."
npm install
echo "  [web] vite build..."
chmod -R u+x node_modules/.bin 2>/dev/null || true
npx vite build
nohup npx serve -s dist -l 9528 >> "$ROOT/logs/web.log" 2>&1 &
echo $! >> "$PIDFILE"
cd "$ROOT"
sleep 1

# 3) Admin 前端（base /admin/，需放到 /admin 路径下再 serve）
echo "构建并启动 Admin (port 9529)..."
cd "$ROOT/admin"
rm -rf node_modules package-lock.json
echo "  [admin] npm install（约 1～3 分钟）..."
npm install
echo "  [admin] vite build..."
chmod -R u+x node_modules/.bin 2>/dev/null || true
npx vite build
ADMIN_SERVE="$ROOT/.admin-serve"
mkdir -p "$ADMIN_SERVE/admin"
cp -r dist/* "$ADMIN_SERVE/admin/"
nohup npx serve -s "$ADMIN_SERVE" -l 9529 >> "$ROOT/logs/admin.log" 2>&1 &
echo $! >> "$PIDFILE"
cd "$ROOT"

echo ""
echo "已启动。PID 见 $PIDFILE"
echo "停止：xargs -a $PIDFILE kill 2>/dev/null"
echo ""
echo "检查是否成功："
echo "  端口：ss -tlnp | grep -E '9527|9528|9529'"
echo "  请求：curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:9527/api/web/info  (期望 200)"
echo "  日志：tail -5 $ROOT/logs/api.log $ROOT/logs/web.log $ROOT/logs/admin.log"
echo "完成. api:9527 web:9528 admin:9529"