import { getZoneFromShot } from 'nba-shot-zones'
import getJSON from 'get-json-lite'

const calculateDistance = (x, y) => Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)).toFixed(2)

const getZoneGroup = (zone) => {
	// tbd
	console.log('tbd')
	return zone
}

const getSeason = () => {
	const d = new Date()
	const year = d.getFullYear()
	const month = d.getMonth()

	// the season ends in june and starts in november, so checking before sept is safe
	const offset = month < 8 ? 1 : 0

	const startYear = year - offset

	const endYearSuffix = parseInt(startYear.toString().substring(2, 4)) + 1

	return `${startYear}${endYearSuffix}`
}

const createShotObj = (datum) => {
	// everything we (might) need
	const season = datum.season
	const gameDate = datum.gamedate
	const opponent = datum.opponent
	const home = datum['home-away'] === 'home'
	const quarter = +datum.quarter
	const time = datum.time
	const player = datum.player
	const shotX = +datum['shot-x']
	const shotY = +datum['shot-y']
	// can probably remove
	const fastbreak = datum.fastbreak
	const secondChance = datum['second-chance']
	const offTurnover = datum['off-turnover']

	const distance = +calculateDistance(shotX, shotY)
	const zone = getZoneFromShot({ x: shotX, y: shotY })
	const zoneGroup = getZoneGroup(zone)
	const made = datum.event.toLowerCase().indexOf('missed') < 0

	return {
		season,
		gameDate,
		opponent,
		home,
		quarter,
		time,
		player,
		shotX,
		shotY,
		fastbreak,
		secondChance,
		offTurnover,
		made,
		distance,
		zone,
		zoneGroup,
	}
}

const transform = (data, cb) => {
	const season = getSeason()
	const averagesURL = '../../../test-data/basketball-shotchart-averages-zones.json'
	// const averagesURL = `path/to/averages-${season}.json`
	getJSON(averagesURL, (err, averages) => {
		if (err) cb(err)
		else {
			const shots = data.map(createShotObj)
			cb(null, { averages, shots })
		}
	})
}

export default transform

@@ -1851,16 +1851,24 @@
 (null, %7B
+ data: %7B
  average
@@ -1875,16 +1875,18 @@
 s, shots
+ %7D
  %7D)%0A%09%09%7D%0A

add data prop on return obj