#!/usr/bin/env ruby
require 'mediawikibot'
require 'date'

#----------------------------------------------------------------------------

def datum2isodate(datum)
  return datum[6..9] + "-" + datum[3..4] + "-" + datum[0..1]
end

def table_termine (t)
  body = '{| border=1 cellspacing="0" cellpadding="5" style="border-collapse:collapse;"'
  body += "\n"
  body += "| Datum \n| Uhrzeit \n| Ort \n| Beschreibung \n|-\n"
  t.each do |termin|
    body += "| " + termin["datum"].to_s + "\n" 
    body += "| " + termin["uhrzeit"].to_s + "\n" 
    body += "| " + termin["ort"].to_s + "\n" 
    body += "| " + termin["beschreibung"].to_s + "\n"
    body += "|-\n"
  end
  body += "|}"
  return body
end

#----------------------------------------------------------------------------

if ARGV.size() != 2
  $stderr.print($0 + " <wiki-user> <wiki-password>\n")
  exit(1)
end

b = MediaWikiBot::WikiBot.new("http://entropia.de/wiki/")
b.login(ARGV[0], ARGV[1])


#----------------------------------------------------------------------------
termine = []

template = "Vorlage:Radio Chaotica-Sendung"
b.get_what_uses_template(template).each do |page|
  if erste_sendung = b.parse_template(page, template)["erste_sendung"]
    termin = {}
    termin["datum"]        = erste_sendung.gsub(/\s*um\s*\d+:\d+$/,"")
    termin["uhrzeit"]      = "16:00"
    termin["beschreibung"] = "[[" + page + "]]"
    termin["ort"]          = "[http://www.querfunk.de Querfunk]"
    termine.push(termin)
  else
    $stderr.print(page, ": erste_sendung nicht gesetzt")
  end
end

#----------------------------------------------------------------------------

template = "Vorlage:Termin"
b.get_what_uses_template(template).each do |page|
 termin = b.parse_template(page, template)
 termine.push(termin)
end

#----------------------------------------------------------------------------

# Get a real date
termine.each do |termin|
  termin["date"] = Date.parse(datum2isodate(termin["datum"]))
end

termine = termine.sort do |x,y| 
  x["date"] <=> y["date"]
end

vergangene_termine = termine.clone.delete_if { |t| t["date"] >= Date.today() }
kommende_termine   = termine.clone.delete_if { |t| t["date"] <  Date.today() }

body  = "== Vergangene Termine ==\n"
body += table_termine(vergangene_termine)

body += "\n== Kommende Termine ==\n"
body += table_termine(kommende_termine)

b.edit("Benutzer:Neingeist/Termine", body, "Test")