require('../connections/mysql-server');
require('../helpers/CheckToken');
require('../helpers/config');

const express = require('express');
const router = express.Router();
const bodyParser = require('body-parser');
const formidable = require('formidable');

router.use(bodyParser.urlencoded({
    limit: '10mb',
    extended: true
  }
));
router.use(bodyParser.json({
  limit: '10mb',
  extended: true
}));

var routes = function () {

  router.get('/getAll', verifyJWT, (req, res) => {
    execSQLQuery(`SELECT
      *
    FROM slides;`, res, req.originalUrl);
  });

  router.get('/getSlide/:idslides', verifyJWT, (req, res) => {
    const idslides = parseInt(req.params.idslides);
    execSQLQuery(`SELECT
      *
    FROM slides
    WHERE idslides = ${idslides};`, res, req.originalUrl);
  });

  router.post('/insert', verifyJWT, (req, res) => {
    const idslides = parseInt(req.body.idslides);
    const title = req.body.title;
    const itens = parseInt(req.body.itens);
    execSQLQuery(`INSERT INTO slides(title, itens) VALUES
    (?, ?);`, res, req.originalUrl, [title, itens]);
  });

  router.patch('/update', verifyJWT, (req, res) => {
    const idslides = parseInt(req.body.idslides);
    const title = req.body.title;
    const itens = parseInt(req.body.itens);
    execSQLQuery(`UPDATE slides SET
      title = ?,
      itens = ?
    WHERE idslides = ?;`, res, req.originalUrl, [title, itens, idslides]);
  });

  router.get('/renomeiaSlide/:idslides/:apartirde', verifyJWT, (req, res) => {
    const idslides = parseInt(req.params.idslides);
    const apartirde = parseInt(req.params.apartirde);
    const fs = require('fs');
    const path = require('path');
    const Diretorio = Variables('src_media') + 'images/';
    fs.readdir(Diretorio, (err, files) => {
      let ListaSlides = [];
      files.forEach(file => {
        if (path.basename(file).includes("slide_" + idslides)) {
          ListaSlides.push(file);
        }
      });
      LoopRenomeiaSlide(0, apartirde, idslides, 0, ListaSlides, Diretorio, function(Sucesso) {
        res.send(Sucesso);
      })
    })
  });

  function LoopRenomeiaSlide(Index, apartirde, idslides, newI, ListaSlides, Diretorio, callback) {
    const fs = require('fs');
    if (Index < ListaSlides.length) {
      if (Index != apartirde) {
        if (Index >= apartirde) {
          let NovoNome = "slide_" + idslides + "_" + newI + ".jpg";
          console.log("De: " + ListaSlides[Index] + " - Para: " + NovoNome);
          fs.rename(Diretorio + ListaSlides[Index], Diretorio + NovoNome, function (err) {
            Index++;
            newI++;
            LoopRenomeiaSlide(Index, apartirde, idslides, newI, ListaSlides, Diretorio, callback);
          });
        }
        else {
          Index++;
          newI++;
          LoopRenomeiaSlide(Index, apartirde, idslides, newI, ListaSlides, Diretorio, callback);
        }
      }
      else  {
        fs.unlink(Diretorio + ListaSlides[Index], function (err) {
          Index++;
          LoopRenomeiaSlide(Index, apartirde, idslides, newI, ListaSlides, Diretorio, callback);
        });
      }
    }
    else {
      callback(true);
    }
  }


  return router;
};

module.exports = routes;