use vars qw(@day_names);
use JSON;

# last two in order are $kitchen_info_id, $menu_type_id
my @restaurant_info = (
  [ "(TaY) Yliopiston Ravintola", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/tayp%C3%A4%C3%A4kampus/yliopistonravintola.aspx", "M", "left", 13, 60 ],
  [ "(TaY) Yliopiston Ravintola / VegeBar", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/tayp%C3%A4%C3%A4kampus/yliopistonravintola.aspx", "", "left", 13, 5 ],
  [ "(TaY) Café Campus", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/tayp%C3%A4%C3%A4kampus/caf%C3%A9campus.aspx", "", "left", 130019, 23 ],
  [ "(TaY) Café Pinni", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/tayp%C3%A4%C3%A4kampus/caf%C3%A9lunchpinni.aspx", "M", "middle", 130016, 60 ],
  [ "(TAYS) Arvo", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/taykaupinkampus/arvo.aspx", "M", "left", 5, 60 ],
  [ "(TAYS) Café Lea (Fusion Kitchen)", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/taykaupinkampus/cafélea.aspx", "M", "left", 50026, 3 ],
  [ "(TAYS) Café Lea (My Salad)", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/taykaupinkampus/cafélea.aspx", "M", "left", 50026, 76 ],
  [ "(TTY) Newton", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/ttykampus/newton.aspx", "", "left", 6, 60],
  [ "(TTY) Café Konehuone / Sĺĺs bar", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/ttykampus/caf%C3%A9konehuone/s%C3%A5%C3%A5sbar.aspx", "", "left", 60038, 77],
  [ "(TTY) Café Konehuone / Fusion Kitchen", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/opiskelijaravintolat/ttykampus/caf%C3%A9konehuone/fusionkitchen.aspx", "", "middle", 60038, 3 ],
  [ "(TAMK) Ziberia", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/henkil%C3%B6st%C3%B6ravintolat/ziberia.aspx", "", "middle", 11, 60 ],
#  [ "(TAMK) Frenckell", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/henkil%C3%B6st%C3%B6ravintolat/frenckell.aspx", "", "middle", 33, 60 ],
  [ "(TAMK) Frenckell / Sĺĺs bar", "http://www.juvenes.fi/fi-fi/ravintolatjakahvilat/henkil%C3%B6st%C3%B6ravintolat/frenckell.aspx", "", "middle", 33, 77 ]
);

my @restaurants;
my ($open_hours, $day_id, $cur_title);
my ($cur_food, @cur_day_foods, @week_foods);

sub finish_food {
  chomp $cur_food;
  if ($cur_food =~ /Liha paniini.*tai Kasvis paniini/i && $cur_title eq $pinni_title) {
    # you get this every day, ignore
  } else {
    push @cur_day_foods, utf8_to_8859($cur_food) if ($cur_food ne "");
  }
  $cur_food = "";
}

sub finish_day {
  push @week_foods, [@cur_day_foods];
  @cur_day_foods = ();
  $day_id = $day_id + 1;
}

sub get_juvenes_restaurants {
  my $use_old = shift;
  my $count = 0;
  # Loops restraurants
  foreach my $i (@restaurant_info) {
    my @info = @{$i};
    my $kitchen = $info[4];
    my $menutype = $info[5];
    $title = $info[0];
    $cur_title = $title;
    $open_hours = "";
    @week_foods = ();
    my $week = `date +%V`;
    chomp($week);
    # Loop weekdays
    for (my $weekday = 1; $weekday < 7; $weekday++) {
      my $temp_fname = "juvenes$count-$weekday.temp.js";
      my $url = "http://www.juvenes.fi/DesktopModules/Talents.LunchMenu/LunchMenuServices.asmx/GetMenuByWeekday?KitchenId=$kitchen&MenuTypeId=$menutype&Week=$week&Weekday=$weekday&lang='fi'&format=json";
      if (!-f $temp_fname || !$use_old) {
        system("rm -f $temp_fname && wget -q --timeout=10 -O $temp_fname.tmp \"$url\" && mv $temp_fname.tmp $temp_fname");
      }
      if (-f $temp_fname) {
        open(FILE, $temp_fname);
        my $jsonp = do { local $/; <FILE> };
        close(FILE);
        # the file is encapsulated in ({"d": json}); so we have to double parse it
        my $data = from_json(substr($jsonp, 1, -2));
        unless ($data->{'d'} eq 'null') {
          $data = from_json($data->{'d'});
          my $mealoptions = $data->{'MealOptions'};
          # loop different meals
          foreach my $meal_info (@$mealoptions) {
            if ($meal_info->{'ForceMajeure'} ne '') {
              $cur_food = $meal_info->{'ForceMajeure'}; 
            } else {
              my $menuitems = $meal_info->{'MenuItems'};
              # loops different foods in a meal
              foreach my $food_info (@$menuitems) {
                $cur_food .= "\n" if $cur_food ne ""; 
                my $name = $food_info->{'Name'};
                $name =~ s/^\*//;
                $cur_food .= $name;
                $cur_food .= " (" . $food_info->{'Diets'} . ")" if $food_info->{'Diets'};
              }
            }
            if ($cur_food ne "-") {
              finish_food();
            } else {
              $cur_food = "";
            }
          }
        }
        finish_day();
      }
    }
    push @restaurants, [ $title, $open_hours, $week, [ @week_foods ], \@info ];
    $count++;
  }
  return @restaurants;
}

1;