/**
 * PM2 进程配置：在项目根目录执行 pm2 start ecosystem.config.cjs
 * 请先创建 venv 并 pip install -r requirements.txt
 */
const path = require("path");

const isWin = process.platform === "win32";
const py = isWin
  ? path.join(__dirname, "venv", "Scripts", "python.exe")
  : path.join(__dirname, "venv", "bin", "python");

module.exports = {
  apps: [
    {
      name: "llm-gateway",
      cwd: __dirname,
      interpreter: "none",
      script: py,
      args: "-m uvicorn main:app --host 0.0.0.0 --port 8150",
      instances: 1,
      autorestart: true,
      watch: false,
      max_memory_restart: "500M",
      env: {
        NODE_ENV: "production",
        // 非 TTY 下避免 stdout/stderr 被缓冲，否则 pm2 logs 长时间看不到输出
        PYTHONUNBUFFERED: "1",
        // 生产环境务必改为足够长的随机字符串
        JWT_SECRET: "change-me-to-a-long-random-secret",
        GATEWAY_PORT: "8150",
        UPSTREAM_URL: "http://127.0.0.1:10434",
      },
    },
  ],
};