#!/usr/bin/env bash
set -euo pipefail
PORT="${PORT:-7031}"
CONTAINER_NAME="${CONTAINER_NAME:-fnos-resmon}"
INSTALL_DIR="${INSTALL_DIR:-/vol1/1000/HD1/docker/fnos-resmon}"
REPO_URL="https://gitea.88531.cn/jinghui/fnos-resmon.git"

if ! command -v docker >/dev/null 2>&1; then
  echo "❌ 未检测到 Docker，请先安装 Docker"; exit 1
fi
if ! docker compose version >/dev/null 2>&1; then
  echo "❌ 未检测到 docker compose"; exit 1
fi
if ! command -v git >/dev/null 2>&1; then
  echo "❌ 未检测到 git"; exit 1
fi

# 自动探测 docker 根目录
if [ -d /vol1/1000/HD1/docker ]; then
  COMPOSE_ROOT=/vol1/1000/HD1/docker
elif [ -d "$HOME/docker" ]; then
  COMPOSE_ROOT="$HOME/docker"
else
  COMPOSE_ROOT="$(dirname "$INSTALL_DIR")"
fi

if [ -d "$INSTALL_DIR/.git" ]; then
  echo "🔄 检测到已有安装，执行更新..."
  cd "$INSTALL_DIR"
  git fetch origin main
  git reset --hard origin/main
else
  echo "📥 克隆项目..."
  mkdir -p "$(dirname "$INSTALL_DIR")"
  git clone "$REPO_URL" "$INSTALL_DIR"
  cd "$INSTALL_DIR"
fi

cat > "$INSTALL_DIR/.env" <<EOF
PORT=$PORT
CONTAINER_NAME=$CONTAINER_NAME
COMPOSE_ROOT=$COMPOSE_ROOT
EOF

echo "🐳 启动/更新容器..."
docker compose -f "$INSTALL_DIR/docker-compose.yml" --env-file "$INSTALL_DIR/.env" up -d --build

echo "⏳ 等待服务就绪..."
for i in $(seq 1 30); do
  if curl -s -o /dev/null -w '%{http_code}' "http://127.0.0.1:$PORT" | grep -q 200; then
    echo "✅ 部署完成！访问 http://<NAS IP>:$PORT"
    exit 0
  fi
  sleep 2
done
echo "⚠️ 服务可能未就绪，请检查 docker logs"
exit 1