import createError from 'http-errors'
import logger from 'morgan'
import express from 'express'
import cookieParser from 'cookie-parser'
import cors from 'cors'
import i18next from 'i18next'
import i18nextMiddleware from 'i18next-http-middleware'
import Backend from 'i18next-node-fs-backend'
import {logit} from "./utilities/logit.js"
import pkg from  './package.json' with { type: "json" }


const app = express()

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

import indexRouter from './routes/index.js'
import { apiRouter } from './routes/api.js'
import {fileURLToPath} from "url";
import path from "path";


i18next
    .use(Backend)
    .use(i18nextMiddleware.LanguageDetector)
    .init({
      backend: {
        loadPath: __dirname + '/locales/{{lng}}/{{ns}}.json'
      },
      fallbackLng: 'de',
      debug: false,
      preload: ['de', 'en']
    });

app.use(i18nextMiddleware.handle(i18next));

app.use(cors())
app.use(logger('dev'))
app.use(express.json())
app.use(express.urlencoded({ extended: true }))
app.use(cookieParser())

app.use('/', indexRouter)
app.use('/api', apiRouter)


// 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.send(`ERROR: ${err.status}, ${err.stack}`)
})

logit(`Start of Program  Version: ${pkg.version} vom ${pkg.date}`)

export default app