import { ChainType } from '../../utils/chainType.js';
import { useContext, useMemo } from 'react';
import { EVMExternalContext } from './EVM/EVMExternalContext.js';
import { SVMExternalContext } from './SVM/SVMExternalContext.js';

interface ExternalWalletProvider {
  hasExternalProvider: boolean;
  providers: ChainType[];
}

export function useHasExternalWalletProvider(): ExternalWalletProvider {
  const hasExternalEVMContext = useContext(EVMExternalContext);
  const hasExternalSVMContext = useContext(SVMExternalContext);

  const providers = useMemo(() => {
    const providers = [];
    if (hasExternalEVMContext) {
      providers.push(ChainType.EVM);
    }
    if (hasExternalSVMContext) {
      providers.push(ChainType.SVM);
    }

    return providers;
  }, [hasExternalEVMContext, hasExternalSVMContext]);

  return {
    hasExternalProvider: hasExternalEVMContext || hasExternalSVMContext,
    providers,
  };
}