#!/usr/bin/racket

#lang racket/base

(require racket/match)
(require racket/port)
(require net/url)

(define calendars
  '())

(define (main)
  (for ([calendar-info calendars])
    (match-define [cons name calendar-link] calendar-info)
    (define url (string->url calendar-link))
    (define data (port->bytes (get-pure-port url)))
    (define out-filename (format "~a.ics" name))

    (when (file-exists? out-filename)
      (delete-file out-filename))

    (call-with-output-file out-filename
      (lambda (out)
        (parameterize ([current-output-port out])
          (write-bytes data))))

    (displayln (format "finished writing to ~s" out-filename))

    (void)))

(module+ main
  (main))