gistfile1.nim

import irc, asyncdispatch
import strutils
import times

proc getDaysLeft(year_s: string, today: string, holiday: string): string =
  var table = @[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
  var month: int
  var day: int
  var dayOfTheYear: int = 0
  var dayOfChristmas: int = 358
  var year = parseInt(year_s)

  if year mod 4 == 0 and not (year mod 100 == 0 and not year mod 400 == 0):
    table[1] = 29
    dayOfChristmas = 359

  if today[0] == '0': month = parseInt($today[1]) - 1
  else: month = parseInt(today[0] & today[1])

  for iter in 1 .. month: dayOfTheYear += table[iter]

  if today[2] == '0': day = parseInt($today[2])
  else: day = parseInt(today[2] & today[3])
  dayOfTheYear += day

  var tmp = dayOfTheYear - dayOfChristmas
  result = $tmp

proc onIrcEvent(client: PAsyncIrc, event: TIrcEvent) {.async.} =
  case event.typ:
  of EvConnected:
    nil

  of EvDisconnected, EvTimeout:
    await client.reconnect()

  of EvMsg:
    echo(event.raw)
    if event.cmd == MPrivMsg:
      var msg: string = event.params[event.params.high]
      var ti = getLocalTime(getTime())
      var date = format(ti, "MD")
      var year = format(ti, "Y")

      if toLower(msg) in @["is it christmas", "is it christmas yet", "is it christmas?", "is it christmas yet?", "christmas?", "ffs is it fucking christmas yet?!?!"]:
        if date == "1225":
          await privmsg(client, event.origin, "Yes, " & event.nick & ". It is Christmas.")

        elif date == "0612":
          await privmsg(client, event.origin, "No " & event.nick & ", but it is dtscode's birthday.")

        else:
          await privmsg(client, event.origin, "No, " & event.nick & ". It is not Christmas. There are " & getDaysLeft(year, date, "0612")

      elif toLower(msg) in @["is it midsummer", "is it midsummer yet", "is it midsummer?", "is it midsummer yet?", "midsummer?"]:
        if date == "0621":
          await privmsg(client, event.origin, "Yes, " & event.nick & ". It is midsummer.")

        else:
          await privmsg(client, event.origin, "No, " & event.nick & ". It is not midsummer.")

var client = newAsyncIrc("irc.freenode.net", nick="IsItChristmas", user="dtsbot", joinChans = @["#cplusplus.com", "#nim-offtopic", "#osdev-offtopic", "#lpmc"], callback = onIrcEvent)
asyncCheck client.run()

runForever()