import { WalletManager } from '../wallets.js';
import { WalletVerifier } from '../verifier.js';

// Setup basic environment mocks
const mockStorage = {};
globalThis.localStorage = {
  getItem: (key) => mockStorage[key] || null,
  setItem: (key, value) => { mockStorage[key] = String(value); }
};

function assertError(result, expectedMsg, testName) {
  if (result.success === false && result.error.includes(expectedMsg)) {
    console.log(`✅ PASS: ${testName}`);
  } else {
    console.error(`❌ FAIL: ${testName} (Got: "${result.error ?? 'success'}", Expected: "${expectedMsg}")`);
  }
}

async function runVerifierTests() {
  console.log("🚀 Starting WalletVerifier Error State Test Suite...\n");

  // --- TEST 1: Missing Extension ---
  globalThis.window = {}; // No ethereum provider defined
  const wm1 = new WalletManager();
  let verifier = new WalletVerifier(wm1);
  assertError(
    await verifier.triggerWalletVerification('base', 'Test'),
    "No Web3 wallet extension found",
    "Missing Extension Detection"
  );

  // --- TEST 2: User Rejects Account Connection (EIP-1193 Error 4001) ---
  globalThis.window = {
    ethereum: {
      request: async ({ method }) => {
        if (method === 'eth_requestAccounts') {
          const err = new Error("User denied connection");
          err.code = 4001;
          throw err;
        }
      }
    }
  };
  const wm2 = new WalletManager();
  verifier = new WalletVerifier(wm2);
  assertError(
    await verifier.triggerWalletVerification('base', 'Test'),
    "Verification cancelled",
    "Account Rejection (Code 4001)"
  );

  // --- TEST 3: User Rejects Signature ---
  globalThis.window = {
    ethereum: {
      request: async ({ method }) => {
        if (method === 'eth_requestAccounts') return ['0x04f728C520C438A000f7A5E9d904F0e725FFAEFE'];
        if (method === 'eth_signTypedData_v4') {
          const err = new Error("User rejected the signature request");
          err.code = 4001;
          throw err;
        }
      }
    }
  };
  const wm3 = new WalletManager();
  verifier = new WalletVerifier(wm3);
  assertError(
    await verifier.triggerWalletVerification('base', 'Test'),
    "rejected",
    "Signature Rejection Mapping"
  );

  console.log("\n🏁 Test Suite Complete.");
}

runVerifierTests();