import { ethers } from 'ethers';
import { IWalletProvider } from './WalletProvider.js';

export class EIP1193Provider implements IWalletProvider {
  private signer: ethers.JsonRpcSigner | null = null;
  private provider: ethers.BrowserProvider | null = null;

  constructor(private providerUrl: string) {}

  async connect(_provider: ethers.Provider): Promise<void> {
    // For EIP-1193, we create a BrowserProvider from the URL
    // In a real implementation, this might connect to MetaMask or another EIP-1193 provider
    // Note: BrowserProvider expects an EIP-1193 compatible provider, not JsonRpcProvider
    // For now, we'll use JsonRpcProvider directly as a workaround
    const jsonRpcProvider = new ethers.JsonRpcProvider(this.providerUrl);
    this.provider = new ethers.BrowserProvider({
      request: async (args: { method: string; params?: any[] }) => {
        return await jsonRpcProvider.send(args.method, args.params || []);
      }
    } as any);
    const accounts = await this.provider.send('eth_requestAccounts', []);
    if (accounts.length === 0) {
      throw new Error('No accounts found in EIP-1193 provider');
    }
    this.signer = await this.provider.getSigner();
  }

  async getSigner(): Promise<ethers.Signer> {
    if (!this.signer) {
      throw new Error('Wallet not connected. Call connect() first.');
    }
    return this.signer;
  }

  async getAddress(): Promise<string> {
    if (!this.signer) {
      throw new Error('Wallet not connected. Call connect() first.');
    }
    return await this.signer.getAddress();
  }
}