app.get('/todo', async (req, res) => {
  let result = await queries.find('todo', {})
  res.json(result)
})

app.get('/todo/:id', async (req, res) => {
  console.log(req.params)
  let id = req.params.id
  let result = await queries.findOne('todo', {"_id": ObjectID(id)})
  res.json(result)
})

app.post('/todo', async (req, res) => {
  let result = await queries.insertOne('todo', req.body)
  res.send(result)
})

app.post('/signup', async (req, res, next) => {

  try {

    let user = req.body
    console.log("user", user)

    let existingUser = await queries.findOne('user', {mail: user.mail})

    if(existingUser !== null) {
      next("Ce compte existe déjà")
    } else {

      let insert = await queries.insertOne('user', user)

      res.json(insert)
    }

  } catch(err) {
    next(err)
  }
})

app.post('/login', async (req, res, next) => {

  try {

    let user = req.body
    console.log("user", user)

    let existingUser = await queries.findOne('user', {mail: user.mail})

    if(existingUser !== null && existingUser.password === user.password) {
      req.session.user = {mail: existingUser.mail, _id: existingUser._id}
      let userToReturn = {
        _id: existingUser._id,
        mail: existingUser.mail,
        firstname: existingUser.firstname,
        lastname: existingUser.lastname,
      }
      res.send(userToReturn)
    } else {
      next("Invalid credentials")
    }

  } catch(err) {
    next(err)
  }
})