const { Router } = require('express')

const { ListModel } = require('../../data/model/todo/list')
const { ItemModel } = require('../../data/model/todo/item')
const { getAnswer } = require('../../utils/common')

const router = Router()

 // http://localhost:8033/todo/list
router.get('/list', async (req, res) => {
  const items = await ListModel
    .find({})
    .populate('items')
    .exec()

  res.send(getAnswer(null, items))
})

// http://localhost:8033/todo/list/create/new%20List%20Name
router.get('/list/create/:title', async (req, res) => {
  const { title } = req.params

  const list = await ListModel.create({ title })

  res.send(getAnswer(null, list))
})

// http://localhost:8033/todo/item/create/:listId/new%20one
router.get('/item/create/:listId/:name', async (req, res, next) => {
  const { name, listId } = req.params

  try {
    const list = await ListModel.findById(listId)

    if (!list) {
      throw new Error('no such list')
    }

    const item = await ItemModel.create({ name })

    list.addItem(item.id)

    res.send(getAnswer(null, await ListModel.findById(listId)))
  } catch (error) {
    next(error)
  }
})

module.exports = router