// UVerify plays nicely with any Cardano off-chain library. This example uses [meshjs.dev](https://meshjs.dev/apis/wallets)

// npm install @meshsdk/core

import { MeshWallet, KoiosProvider } from '@meshsdk/core';

const mnemonic = MeshWallet.brew();
const koiosProvider = new KoiosProvider('api');

const wallet = new MeshWallet({
    networkId: 1, // 0: testnet, 1: mainnet
    fetcher: koiosProvider,
    submitter: koiosProvider,
    key: {
        type: 'mnemonic',
        words: mnemonic,
    },
});

const userAddress = await wallet.getChangeAddress();

// backendUrl is for example api.uverify.io or localhost:9090

const response = await axios.post(
backendUrl + '/api/v1/transaction/build',
{
    type: 'DEFAULT',
    address: userAddress,
    certificates: [
    {
        hash: hash,
        metadata: metadata,
        algorithm: 'SHA-256',
    },
    ],
}
);

if (response.status === 200 && response.data.status?.code === 'SUCCESS') {
    const tx = response.data.unsigned_transaction;
    const signedTx = await wallet.signTx(tx, true);
    const result = await axios.post(
        backendUrl + '/api/v1/transaction/submit',
        {
            transaction: signedTx
        }
    );

    if (result.status === 200 && result.data.successful) {
        console.log('Transaction submitted successfully with txHash:', result.data.value);
    }

    /*
        You can also use a CIP30 browser api to sign the transaction. In this case, signTx would return a witnessSet instead of a signed transaction. You can then just submit the unsigned transaction and the witnessSet to the backend.

        const api = await (window as any).cardano[enabledWallet].enable();
        const witnessSet = await api.signTx(tx, true);

        const result = await axios.post(
          backendUrl + '/api/v1/transaction/submit',
          {
            transaction: tx,
            witnessSet: witnessSet,
          }
        );
    */
}