// Import express and create a router
let Express = require('express')
const router = new Express.Router()

// Import the raw board game data
const GameData = require('./games')

// Data enpoint for ALL Games
router.get('/allGames', (req, res) => {
  let GamesReduced = summaryOnly(GameData)
  res.send(GamesReduced)
  console.log('/allGames endpoint reached')
})

// Data endpoint for a single Game
router.get('/Game/:id', (req, res) => {

  let element = GameData.find(function (element) {
    return element.id === req.params.id;
  })
  res.send(element);
  console.log('/Game endpont reached')
})

// Exposes router to be imported elsewhere
exports.router = router

// Build and return a summary only version of GameData
function summaryOnly (data) {
  // Remap data to a reduced form
  let mappedData = data.map((Game) => {
    // Build and return a Game summary
    let GameSummary = {
      id: Game.id,
      name: Game.name,
      year: Game.year,
      genre: Game.bgg_rating
    }
    return GameSummary
  })

  // Return the summary array
  return mappedData
}