// @flow
// eslint-disable-next-line import/no-extraneous-dependencies
import 'babel-polyfill';

import createTestServer from 'create-test-server';

const transactions = [];

createTestServer({
  httpPort: '18232',
}).then(async (server) => {
  console.log('[MOCK RPC API]', server.url);

  server.get('/', (req, res) => {
    res.send('Zcash RPC');
  });

  server.post('/', (req, res) => {
    const { method } = req.body;

    switch (method) {
      case 'getinfo':
        return res.send({ result: { version: 1.0 } });
      case 'getblockchaininfo':
        return res.send({ result: { verificationprogress: 0.5 } });
      case 'z_gettotalbalance':
        return res.send({
          result: { transparent: 2.5, private: 3.5, total: 6 },
        });
      case 'z_listaddresses':
        return res.send({
          result: [
            'zs1z7rejlpsa98s2rrrfkwmaxu53e4ue0ulcrw0h4x5g8jl04tak0d3mm47vdtahatqrlkngh9sly',
          ],
        });
      case 'getaddressesbyaccount':
        return res.send({
          result: ['t3Pnbg7XjP7FGPBUuz75H65aczphHgkpoJW'],
        });
      case 'listtransactions':
        return res.send({
          result: transactions,
        });
      case 'z_sendmany':
        // eslint-disable-next-line
        const [from, [obj], minconf, fee] = req.body.params;

        if (obj.address[0] === 'z' || obj.address[0] === 't') {
          transactions.push({
            account: '',
            address: obj.address,
            category: 'send',
            amount: obj.amount,
            vout: 0,
            fee,
            confirmations: 10,
            blockhash: 20,
            blockindex: 10,
            txid: `operation-id-${transactions.length + 1}`,
            time: Date.now(),
            timereceived: Date.now(),
            comment: '',
            otheraccount: '',
            size: 10,
          });

          return res.send({ result: 'operation-id-1' });
        }

        return res.status(500).send({ error: { message: 'Invalid address!' } });
      default:
        return null;
    }
  });
});