#!/usr/bin/perl -w
#
#  rhrdlibs
#
#  Copyright (C) 2015 Christian Pointner <equinox@helsinki.at>
#
#  This file is part of rhrdlibs.
#
#  rhrdlibs 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.
#
#  rhrdlibs 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 rhrdlibs. If not, see <http://www.gnu.org/licenses/>.
#

use strict;
use lib "../lib/";
use RHRD::rddb;

# this is ridiculous but makes it a little harder to create/remove users...
# if ($> != 0 ) {
#   print STDERR "this must be run as root!\n";
#   exit 1;
# }

sub print_usage
{
  print STDERR "Usage: rd-show list\n" .
               "       rd-show (show|remove) <show-id>\n" .
               "       rd-show add <shortname> <title> <num-carts> <rhythm> <dow> <starttime> <len>\n";
}

sub list_shows
{
  my ($dbh) = @_;

  my @shows = RHRD::rddb::list_shows($dbh);
  if(!defined $shows[0] && defined $shows[1]) {
    print STDERR "$shows[1]: $shows[2]";
    return 1;
  }
  for my $href (@shows) {
    print $href->{'ID'} . ": " . $href->{'TITLE'} . "\n";
  }
  return 0;
}

sub show_show
{
  my ($dbh, $show_id) = @_;

  my @carts = RHRD::rddb::get_show_carts($dbh, $show_id);
  if(!defined $carts[0] && defined $carts[1]) {
    print STDERR "$carts[1]: $carts[2]\n";
    return 1;
  }
  my ($title, undef, $status, $errorstring) = RHRD::rddb::get_show_title_and_log($dbh, $show_id);
  unless (defined $title) {
    print STDERR "$errorstring\n";
    return 1;
  }
  print $title . ":\n";
  for my $cart (@carts) {
    print " > " . $cart . "\n";
  }
  return 0;
}

sub add_show
{
  my ($dbh, $shortname, $title, $numcarts, $rhythm, $dow, $starttime, $len) = @_;

  print "add show $shortname, $title, $numcarts, $rhythm, $dow, $starttime, $len not yet implemented!\n";
  return 0;
}

sub remove_show
{
  my ($dbh, $show_id) = @_;

  print "removing show " . $show_id . ", not yet implemented!\n";
  return 0;
}

my $num_args = $#ARGV + 1;
if($num_args < 1) {
  print_usage();
  exit(1);
}
my $cmd = $ARGV[0];
my $ret = 0;

my ($dbh, $status, $errorstring) = RHRD::rddb::opendb();
if(defined $dbh) {
  if($cmd eq "list") {
    if($num_args != 1) {
      print_usage();
      exit(1);
    }
    $ret = list_shows($dbh)
  }
  elsif($cmd eq "show") {
    if($num_args != 2) {
      print_usage();
      exit(1);
    }
    $ret = show_show($dbh, $ARGV[1])
  }
  elsif($cmd eq "remove") {
    if($num_args != 2) {
      print_usage();
      exit(1);
    }
    $ret = remove_show($dbh, $ARGV[1]);
  }
  elsif($cmd eq "add") {
    if($num_args != 8) {
      print_usage();
      exit(1);
    }
    $ret = add_show($dbh, $ARGV[1], $ARGV[2], $ARGV[3], $ARGV[4], $ARGV[5], $ARGV[6], $ARGV[7]);
  }
  else {
    print_usage();
    RHRD::rddb::closedb($dbh);
    exit 1;
  }
  RHRD::rddb::closedb($dbh);
} else {
  print STDERR "$errorstring\n";
  exit 1;
}

exit $ret;