const express = require('express');
const utils = require('./utils');
const metamgr = require('./metamgr');
const ordermgr = require('./ordermgr');
const transfermgr = require('./transfermgr');
const presentmgr = require('./presentmgr');
const bc = require('./blockchain');
const gm = require('./gm');
const C = require('./C');

const app = express();
const handlers = {};

function registerHandle(c, a, cb)
{
  handlers[a + '@' + c] = cb;
}

registerHandle('Ops', 'selfChecking', async (req, rsp) => {
  utils.rspOk(rsp);
});

registerHandle('GM', 'execCmd', async (req, rsp) => {
  gm.execCmd(req, rsp);
});


process.on('unhandledRejection', (reason, promise) => {
  console.log('Unhandled Rejection at:', promise, 'reason:', reason);
  throw reason;
});

utils.registerEventHandler(
  C.BC_INITIALIZED_EVENT,
  () => {
    app.get('/webapp/index.php', async (req, rsp) => {
      const c = req.query.c;
      const a = req.query.a;
      const handler = handlers[a + '@' + c];
      if (handler) {
        handler(req, rsp);
      } else {
        utils.rspErr(rsp, 100, 'not found');
      }
    });
    ordermgr.init();
    transfermgr.init();
    presentmgr.init();
    app.listen(metamgr.getServerConf()['listen_port']);
  }
);

metamgr.init();
bc.init();