#!/usr/bin/perl
#
package main;

use strict;
use warnings;

use Path::Tiny;
use IO::Socket::INET;

BEGIN {
    push @INC, "./lib";
}

use iec1107;

my $port = Device::SerialPort->new(
    "/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_AK072UA9-if00-port0")
  or die "$! \n";

$port->baudrate(9600);
$port->databits(7);
$port->parity("even");
$port->stopbits(1);
$port->handshake("none");
$port->write_settings;

$port->purge_all();
$port->read_char_time(0);
$port->read_const_time(150); #was 100ms previously, this lead to race conditions

my $dir = path("$workdir/sensors");    # Config Directory there find the id-file

my $file = $dir->child("id.list");

# Read in the entire contents of a file
my $content = $file->slurp();

# openr() returns an IO::File object to read from
my $file_handle = $file->openr();

# It is possible to find out the device id of a single device on RS-485 9600@7E1 by sending "/?!\r\n"
# It does not work with more than one device on the same bus, it results in garbage!
my $passwd = "00000000";    # Standard password 0 over 8-digits

my $fhemDummy = 'Meter_';

my $HOSTNAME = "localhost";
my $HOSTPORT = "7072";
my $socket   = IO::Socket::INET->new(
    'PeerAddr' => $HOSTNAME,
    'PeerPort' => $HOSTPORT,
    'Proto'    => 'tcp'
) or die "Cant\'t connect to FHEM Instance \n";

while ( my $id = $file_handle->getline() ) {
    chomp $id;
    my $drs110m =
      iec1107->new( "port" => $port, "id" => $id, "passwd" => $passwd );

    $drs110m->set_clock();

    my $values = $drs110m->get_values();

    next if ( ref($values) ne 'HASH' );

    while ( my ( $reg, $val ) = each( %{$values} ) ) {
        $socket->print(
            'setreading ' . $fhemDummy . $id . ' ' . $reg . ' ' . $val . "\n" );
    }
}

$socket->close;

exit;