import { writeInDataDir } from './utils.js'

const CURRENT_YEAR = 2022
const CSV_URL =
	'https://fichierdirect.declaration.urssaf.fr/static/tauxTransport.20220720.csv'

const INDEX = {
	TAUX: 2,
	CODE_COMMUNE: 0,
	DATE_EFFET: 4,
}

;(async function main() {
	const response = await fetch(CSV_URL)
	const rawCSV = await response.text()
	const data = rawCSV
		.split('\n')
		.slice(1, -1)
		.map((row) => row.split(';'))
		.filter((r) => r[INDEX.TAUX] !== '0')
		.filter(
			(r) => !r[INDEX.DATE_EFFET].startsWith((CURRENT_YEAR + 1).toString())
		)
		.map((r) => {
			r[INDEX.CODE_COMMUNE] = r[INDEX.CODE_COMMUNE].slice(1, -1) // Remove single quote ''
			return r
		})
		.sort((a, b) =>
			+a[INDEX.CODE_COMMUNE] < +b[INDEX.CODE_COMMUNE]
				? -1
				: +a[INDEX.CODE_COMMUNE] > +b[INDEX.CODE_COMMUNE]
				? 1
				: a[INDEX.DATE_EFFET] > b[INDEX.DATE_EFFET]
				? -1
				: 1
		)
		.reduce(
			(acc, r) => ({
				[r[INDEX.CODE_COMMUNE]]: +r[INDEX.TAUX],
				...acc,
			}),
			{}
		)

	writeInDataDir('versement-mobilité.json', data)
})()