AlphaFuturesPro/backend/src/config/index.ts

import dotenv from 'dotenv';
import fs from 'fs';
import path from 'path';

dotenv.config();

// 从文件读取配置
let fileConfig = {};
try {
  const configPath = path.join(__dirname, '../../../config.json');
  if (fs.existsSync(configPath)) {
    const configData = fs.readFileSync(configPath, 'utf8');
    fileConfig = JSON.parse(configData);
  }
} catch (error) {
  console.error('读取配置文件失败:', error);
}

export const config = {
  port: process.env.PORT || (fileConfig.server?.port || 3005),
  jwtSecret: process.env.JWT_SECRET || (fileConfig.security?.jwtSecret || 'your-secret-key'),
  database: {
    mongo: {
      url: process.env.MONGO_URL || 'mongodb://localhost:27017/alpha-futures'
    },
    postgres: {
      host: process.env.PG_HOST || (fileConfig.database?.postgreSQL?.host || 'localhost'),
      port: parseInt(process.env.PG_PORT || (fileConfig.database?.postgreSQL?.port || '5432')),
      user: process.env.PG_USER || (fileConfig.database?.postgreSQL?.username || 'postgres'),
      password: process.env.PG_PASSWORD || (fileConfig.database?.postgreSQL?.password || 'password'),
      database: process.env.PG_DATABASE || (fileConfig.database?.postgreSQL?.database || 'alpha-futures')
    }
  },
  redis: {
    url: process.env.REDIS_URL || 'redis://localhost:6379'
  },
  rateLimit: {
    windowMs: fileConfig.security?.rateLimit?.windowMs || 60 * 1000, // 1分钟
    max: fileConfig.security?.rateLimit?.max || 120 // 每分钟120次请求
  },
  cors: {
    origin: fileConfig.security?.cors?.origin || '*', // 在生产环境中应该设置具体的域名
    methods: fileConfig.security?.cors?.methods || ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
    allowedHeaders: fileConfig.security?.cors?.allowedHeaders || ['Content-Type', 'Authorization']
  },
  dataSource: fileConfig.dataSource || {
    test: {
      enabled: true,
      timeout: 10000,
      retries: 3,
      refreshInterval: 60000
    },
    tqsdk: {
      enabled: true,
      apiKey: '',
      apiSecret: '',
      username: '',
      password: '',
      timeout: 30000,
      retries: 3,
      maxConnections: 5
    },
    wind: {
      enabled: false,
      apiKey: '',
      apiSecret: '',
      url: 'https://api.wind.com.cn',
      timeout: 30000,
      retries: 3
    },
    sina: {
      enabled: false,
      url: 'https://finance.sina.com.cn',
      timeout: 10000,
      retries: 3,
      refreshInterval: 60000
    },
    defaultDataSource: 'tqsdk'
  }
};