#!/bin/bash
set -e

# 部署新 AI 助手的业务数据 MCP 服务 fwh-agent-mcp（与旧 MCP 的 deploy_mcp.sh 相互独立）
# 用法：在 service/ 目录下执行 ./cmd/deploy_agent_mcp.sh

# ===== 配置部分 =====
MCP_NAME="fwh-agent-mcp"
APP_DIR="/var/www/fwh-toolbox/server"
MCP_PATH="$APP_DIR/$MCP_NAME"
# 独立配置文件，示例见 deploy/config.agent-mcp.env.example
CONFIG_PATH="$APP_DIR/config.agent-mcp.env"
UNIT_SRC="../deploy/systemd/fwh-agent-mcp.service"
UNIT_DST="/etc/systemd/system/fwh-agent-mcp.service"

# ===== 编译程序 =====
echo "🚀 Building $MCP_NAME..."
GOOS=linux GOARCH=amd64 go build -o $MCP_NAME ./cmd/agent-mcp/

# ===== 复制程序到目标路径 =====
echo "📦 Copying binary to $MCP_PATH..."
sudo mv $MCP_NAME $MCP_PATH
sudo chmod +x $MCP_PATH

# ===== 生成并拷贝 EMS 参数字典（ems_param_lookup 使用，启动时加载到 Redis） =====
bash "$(dirname "$0")/deploy_emspara.sh"

# ===== 安装 / 更新 systemd 单元 =====
if [ -f "$UNIT_SRC" ]; then
  if ! sudo cmp -s "$UNIT_SRC" "$UNIT_DST"; then
    echo "📝 Installing systemd unit $UNIT_DST..."
    sudo cp "$UNIT_SRC" "$UNIT_DST"
    sudo systemctl daemon-reload
    sudo systemctl enable fwh-agent-mcp
  fi
fi

# ===== 检查配置 =====
if [ ! -f "$CONFIG_PATH" ]; then
  echo "⚠️  缺少 $CONFIG_PATH，服务将拒绝启动（cp deploy/config.agent-mcp.env.example 后修改）"
elif ! grep -qE '^AGENT_MCP_TOKEN="?[^"[:space:]]' "$CONFIG_PATH" || grep -qE '^AGENT_MCP_TOKEN="?CHANGE_ME' "$CONFIG_PATH"; then
  echo "⚠️  $CONFIG_PATH 中没有配置 AGENT_MCP_TOKEN，服务将拒绝启动"
fi

# ===== 重启 =====
echo "🔁 Restarting fwh-agent-mcp..."
sudo systemctl restart fwh-agent-mcp
sleep 2
sudo systemctl --no-pager --lines=5 status fwh-agent-mcp || true

echo "✅ $MCP_NAME deployed to $MCP_PATH"