const { RecursiveRoutingEngine } = require('@webileapps/routing-v1');

const engine = new RecursiveRoutingEngine();
engine.loadRawRules({
  rules: [
    {
      id: 'upi-lumpsum',
      name: 'UPI Lumpsum',
      conditions: {
        transactionType: { operator: 'equals', value: 'Lumpsum' },
        paymentMode: { operator: 'equals', value: 'UPI' }
      },
      gatewayDistribution: [
        { gatewayId: 'PineLabs', percentage: 60 },
        { gatewayId: 'BillDesk', percentage: 40 }
      ]
    }
  ],
  fallbackRule: [{ gatewayId: 'fallback', percentage: 100 }]
});

const result = engine.routePayment({
  transactionType: 'Lumpsum',
  paymentMode: 'UPI',
  amount: 5000,
  bank: 'HDFC'
});
console.log(result.selectedGateway);

Validator

const { RoutingDSLValidator } = require('@webileapps/routing-v1');
const path = require('path');

// Validate a JSON rules file
const validator = new RoutingDSLValidator(path.join(__dirname, 'rules.json'));
validator.validateConfig(path.join(__dirname, 'rules.json')).then(({ isValid, messages }) => {
  console.log(isValid, messages);
});