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

export function addCharacterApis(app, jsonParser, memcace) {
  app.get('/api/character/:characterId', async (req, res) => {
    try {
      const character = await Character.findOne({
        attributes: ['id', 'characterName', 'playerName', 'role', 'creationDate', 'status'],
        where: { id: req.params['characterId'] }
      })
      if (character) {
        res.send(character)
      } else {
        res.status(404).send('Cannot find character.')
      }
    } catch (e) {
      res.status(500).send(e)
    }
  })

  app.post('/api/character', jsonParser, async (req, res) => {
    try {
      const fp = new FilterParser()
      const obp = new OrderByParser()

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

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

  app.post('/api/character/:characterId/apps', async (req, res) => {
    try {
      const apps = await App.findAll({ where: { characterId: req.params['characterId'] } })
      if (apps) {
        res.send(apps)
      } else {
        res.status(400).send('Could not find apps.')
      }
    } catch (e) {
      res.status(500).send(e)
    }
  })

  app.post('/api/character/:characterId/picks', async (req, res) => {
    try {
      const picks = await Pick.findAll({ where: { characterId: req.params['characterId'] } })
      if (picks) {
        res.send(picks)
      } else {
        res.status(400).send('Could not find picks.')
      }
    } catch (e) {
      res.status(500).send(e)
    }
  })

  app.post('/api/character/:characterId/gameHistory', async (req, res) => {
    try {
      const gameHistory = await Character.findOne({
        include: [
          { model: Game, as: 'characterPickedForGame' },
          { model: Game, as: 'characterAppliedForGame' }
        ],
        where: { id: req.params['characterId'] }
      })
      if (gameHistory) {
        res.send(gameHistory)
      } else {
        res.status(404).send('Could nor find character.')
      }
    } catch (e) {
      res.status(500).send(e)
    }
  })
}