#!/usr/bin/perl
#
#  rhrdweb
#
#  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
#
#  This file is part of rhrdweb.
#
#  rhrdweb is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Affero General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  any later version.
#
#  rhrdweb is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU Affero General Public License for more details.
#
#  You should have received a copy of the GNU Affero General Public License
#  along with rhrdweb. If not, see <http://www.gnu.org/licenses/>.
#

use strict;
use RHRD::rddb;
use JSON::MaybeXS;

my $status = 'ERROR';
my $errorstring = 'unknown';
my $responsecode = 500;
my @showlist;
my @mshowlist;

(my $ctx, $status, $errorstring) = RHRD::rddb::init();
if(defined $ctx) {

  my @shows = RHRD::rddb::list_shows($ctx);
  if(!defined $shows[0] && defined $shows[1]) {
    $responsecode = 500;
    $status = $shows[1];
    $errorstring = $shows[2];
  } else {
    my @mshows = RHRD::rddb::list_multi_shows($ctx);
    if(!defined $mshows[0] && defined $mshows[1]) {
      $responsecode = 500;
      $status = $mshows[1];
      $errorstring = $mshows[2];
    } else {

      my %multirefs;

      my @sorted = sort { lc($a->{'TITLE'}) cmp lc($b->{'TITLE'}) } @mshows;
      for my $href (@sorted) {
        my %mshow;
        $mshow{'id'} = int($href->{'ID'});
        $mshow{'type'} = $href->{'TYPE'};
        $mshow{'title'} = $href->{'TITLE'};
        $mshow{'title'} .= ' (Wiederholung)' if($href->{'TYPE'} eq 'r');
        $mshow{'title'} .= ' (Sondersendung)' if($href->{'TYPE'} eq 's');
        $mshow{'weeks'} = $href->{'SHOWS'};

        my %parts = %{$href->{'SHOWS'}};
        foreach my $week (keys %parts) {
          my %ref;
          $ref{'week'} = int($week);
          $ref{'id'} = $mshow{'id'};
          $multirefs{$parts{$week}} = \%ref;
        }
        push @mshowlist, \%mshow;
      }

      @sorted =  sort { lc($a->{'TITLE'}) cmp lc($b->{'TITLE'}) } @shows;
      for my $href (@sorted) {
        my %show;
        $show{'id'} = int($href->{'ID'});
        $show{'type'} = $href->{'TYPE'};
        $show{'title'} = $href->{'TITLE'};
        $show{'title'} .= ' (Wiederholung)' if($href->{'TYPE'} eq 'r');
        $show{'title'} .= ' (Sondersendung)' if($href->{'TYPE'} eq 's');
        if(exists($multirefs{$href->{'ID'}})) {
          $show{'multi'} = $multirefs{$href->{'ID'}};
        }

        push @showlist, \%show;
      }

      $responsecode = 200;
      $status = "OK";
      $errorstring = "success";
    }
  }
  RHRD::rddb::destroy($ctx);
}

my %answer;
$answer{'status'} = $status;
$answer{'errorstring'} = $errorstring;
$answer{'shows'} = \@showlist;
$answer{'multi-shows'} = \@mshowlist;

my $j = JSON::MaybeXS->new(utf8 => 0);

print "Content-type: application/json; charset=UTF-8\n";
print "Status: $responsecode\n\n";
print $j->encode(\%answer);