var express = require('express');
var router = express.Router();
var fetch = require('cross-fetch');
const sqlite3 = require('sqlite3').verbose();
var config = require('../config.json');
let db = new sqlite3.Database(config.DXMemorialImageDirectory + '\\db.sqlite');
/* GET home page. */
var title = 'Webapp Mission Test'
router.get('/', function (req, res, next) {
  db.all('SELECT * FROM sega_card', (err, rows) => {
    if (err) {
      console.error(err);
      res.render('error', { error: err });
    } else {
      console.log(rows);
      console.log(`There are Currently ${rows.length} Users Registered.`); // this check could probably be changed into an API
      var params = {
        totalUsers: rows.length
      }
      res.render('index', { title: title, params: params });
    }
  });
});

router.get('/user', async function (req, res, next) {
  try{
  const cookies = req.cookies
  console.log(cookies)
  if (cookies.aime_card_id === undefined) {
    return res.redirect("/")
  }
  res.render('user', { title: title, userdata: await getUserData(req) });
  } catch (err) {
    res.render('error', { error: err });
  }
});

router.get('/error/test/db', function (req,res,next) {
  res.render('error', { error: "Error: SQLITE_BUSY: database is locked"})
})

async function getUserData(req) {
  return new Promise((resolve, reject) => {
    const cookies = req.cookies
    db.all('SELECT * FROM maimai2_user_detail', (err, rows) => {
      if (err) {
        console.error(err);
        // Return a Failed Message.
        reject(err)
      } else {
          // Make the Request easier to get to.
          var mUser = undefined // Leave the Matched User undefined until the user is found.
          for (user of rows) { // For Each User in Rows
            if (cookies.aime_card_id === user.aime_card_id.toString()) { // If the Access Code for the card is in the system,
              mUser = user; // set the Matched User Variable to the User, and break the for Loop.
              break;
            }
          }
          if (mUser) {
            // Return a Response with the whole identifiable user data. the EXT_ID will be used later to identify images and other things and match them to the user's profile.
            resolve(mUser);
          } else {
            reject(new Error('User not found'));
          }
        }
    });
  });
} // function is required to obtain the User Data, and create the user profile. I'm going to bed.

module.exports = router;