import express from 'express'
import { json } from 'body-parser'
import { Sequelize, Op } from 'sequelize'
import { database, Character, Game, Pick, App } from './db'
import { OrderByParser, FilterParser } from './tokenizer'

const app = express()
const jsonParser = json()
const fp = new FilterParser()
const obp = new OrderByParser()
const port = 3001

app.get('/', (req, res) => {
  res.send('Hello World!')
})

app.get('/api/character/:characterId', async (req, res) => {
  res.send(await Character.findOne({ where: { id: req.params['characterId'] } }))
})

app.post('/api/character', jsonParser, async (req, res) => {
  const page = req.body.page
  const orderBy = req.body.orderBy ? obp.parse(req.body.orderBy) : ['id']
  const count = req.body.count
  const filter = req.body.filter ? fp.parse(req.body.filter) : {}

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

  res.setHeader('Content-Type', 'application/json')
  res.json({ characterData, pageCount })
})

app.get('/api/game/:gameId', async (req, res) => {
  res.send(await Game.findOne({ where: { id: req.params['gameId'] } }))
})

app.post('/api/game', jsonParser, async (req, res) => {
  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 })
})

app.get('/api/game/:gameId', async (req, res) => {
  const game = await Game.findOne({ where: { id: req.params['gameId'] } })
  res.send(game)
})

app.post('/api/game/:gameId/apps', async (req, res) => {
  const apps = await App.findAll({ where: { gameId: req.params['gameId'] } })
  res.send(apps)
})

app.post('/api/character/:characterId/apps', async (req, res) => {
  const apps = await App.findAll({ where: { characterId: req.params['characterId'] } })
  res.send(apps)
})

app.post('/api/game/:gameId/picks', async (req, res) => {
  const picks = await Pick.findAll({ where: { gameId: req.params['gameId'] } })
  res.send(picks)
})

app.post('/api/character/:characterId/picks', async (req, res) => {
  const picks = await Pick.findAll({ where: { characterId: req.params['characterId'] } })
  res.send(picks)
})

app.post('/api/character/:characterId/gameHistory', async (req, res) => {
  const gameHistory = await Character.findOne({
    include: [
      { model: Game, as: 'characterPickedForGame' },
      { model: Game, as: 'characterAppliedForGame' }
    ],
    where: { id: req.params['characterId'] }
  })
  res.send(gameHistory)
})

app.listen(port, async () => {
  await database.authenticate()
  return console.log(`Express is listening at http://localhost:${port}`)
})