import { database, Character, Game, Pick, App } from './db'
import { OrderByParser, FilterParser, ParsingError } from './tokenizer'

export function addGameApis(app, jsonParser) {
  app.get('/api/game/:gameId', async (req, res) => {
    try {
      const game = await Game.findOne({ where: { id: req.params['gameId'] } })
      if (!game) {
        res.status(404).send('Game Not Found')
      } else {
        res.send(game)
      }
    } catch (e) {
      console.log(e)
      res.status(500).send(e)
    }
  })

  app.post('/api/game', jsonParser, async (req, res) => {
    try {
      const fp = new FilterParser()
      const obp = new OrderByParser()
      const page = req.body.page || 0
      const orderBy = req.body.orderBy ? obp.parse(req.body.orderBy) : ['id']
      const count = req.body.count || 10
      const filter = req.body.filter ? fp.parse(req.body.filter) : {}

      const gameData = await Game.findAll({
        offset: page * count,
        limit: count,
        order: orderBy,
        where: filter
      })
      const pageCount = Math.ceil(
        (await Game.count({
          where: filter
        })) / count
      )

      res.setHeader('Content-Type', 'application/json')
      res.send({ gameData, pageCount })
    } catch (e) {
      if (e instanceof ParsingError) {
        res.status(400).send('Could not parse filter.')
      } else {
        res.status(500).send(e)
      }
    }
  })

  app.post('/api/game/:gameId/apps', async (req, res) => {
    try {
      const apps = await App.findAll({
        include: { model: Character, as: "appliedCharacter"}, 
        where: { gameId: req.params['gameId'] } })
      if (!apps) {
        res.status(404).send('Apps not found.')
      } else {
        res.send(apps)
      }
    } catch (e) {
      res.status(500).send(e)
    }
  })

  app.post('/api/game/:gameId/picks', async (req, res) => {
    try {
      const picks = await Pick.findAll({
        include: { model: Character, as: "pickedCharacter"},
         where: { gameId: req.params['gameId'] } })
      if (!picks) {
        res.status(404).send('Picks not found')
      } else {
        res.send(picks)
      }
    } catch (e) {
      res.status(500).send(e)
    }
  })
}