growbot

#!/usr/bin/env perl

=head1 NAME

  GrowBot

=head1 SYNOPSIS


=head1 DESCRIPTION


=head1 DEPENDENCIES

GrowBot requires Perl version 5.14 or later.

=head1 FEEDBACK

=head2 Reporting Bugs

Report bugs to the GitHub issue tracker at:
  https://github.com/sandain/growbot/issues

=head1 AUTHOR - Jason M. Wood

Email sandain@hotmail.com

=head1 COPYRIGHT AND LICENSE

  Copyright (c) 2020-2022  Jason M. Wood <sandain@hotmail.com>

  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  POSSIBILITY OF SUCH DAMAGE.

=cut

use strict;
use warnings;
use utf8;
use open qw (:std :utf8);
use v5.14;
use DateTime;

use lib qw (lib);
use GrowBot;

# Set the script name.
$0 = "growbot";

# The configuration file to load.
my $configFile = "config.json";

# Create a PID file.
open my $pid, ">", "growbot.pid" or die "Could not write to PID file: $!";
print $pid "$$\n";
close $pid;

# Create a new GrowBot using the configuration file.
my $growbot = GrowBot->new ($configFile);

# Capture SIGINT, and SIGTERM to allow for a graceful exit.
$SIG{INT} = $SIG{TERM} = sub {
  foreach my $device ($growbot->devices) {
    $growbot->enqueueAction (
      $device,
      "Close",
      DateTime->now (time_zone => $growbot->timeZone),
      100
    );
  }
};

printf "%s %s\n", $growbot->name, $growbot->version;

# Start the GrowBot.
$growbot->start;

# Enqueue default actions for each device.
foreach my $device ($growbot->devices) {
  foreach my $action (@{$growbot->{config}{Devices}{$device}{DefaultActions}}) {
    $growbot->enqueueAction (
      $device,
      $action,
      DateTime->now (time_zone => $growbot->timeZone),
      0
    );
  }
}

# Wait for the Growbot to finish.
$growbot->wait;

# Close the GrowBot.
$growbot->close;

printf "Done.\n";

# Remove the PID file.
unlink "growbot.pid" or die "Count not remove PID file: $!";