require('dotenv').load()
const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');

const createdb = require('./db/createdb')
const tokenGetter = require('./daemons/getToken')
const saveToken = require('./lib/saveToken')
const indexRouter = require('./routes/index');

const app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');


app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.json({
    error: {
      stack: err.stack,
      message: err.message,
      status: err.status
    }
  });
});

module.exports = app;

// INICIALIZACIÓN DE LA BASE DE DATOS
const dbname = process.env.DB_NAME
const dbnames = [
  process.env.DB_VALORACIONES,
  process.env.DB_UBICACIONES,
  process.env.DB_REPORTES,
  process.env.DB_NONCES,
  process.env.DB_TOKENS,
]

dbnames.forEach(name =>
  createdb(name)
    .then((result) => `Create DB "${name}" returned ${JSON.stringify(result)}`)
)

// INICIALIZACIÓN DE LOS DEMONIOS

const token$ = tokenGetter(
  process.env.AUTH_TOKEN,
  process.env.CLIENT_SECRET,
  process.env.TOKEN_INTERVAL,
)

token$.log()
token$.onError(console.log)
token$.onValue(saveToken)