#!/usr/bin/perl
use strict;
use warnings;

use JSON qw( );
use Data::Dumper;

## change path / port here if necessary 
my $fhem_outpout = `/opt/fhem/fhem.pl 7072 "jsonlist2 TYPE=.*:FILTER=state=..*:FILTER=model!=CCU-FHEM:FILTER=TYPE!=CCU-FHEM|ActionDetector|at|notify|statistics|DOIF"`;

## special device types to be monitored
## normaly filtered out
my @allowed_types = ( 'CUL_HM', 'speedtest', 'CUL', 'JeeLink', 'TRAFFIC', 'WifiLight', 'harmony', 'XiaomiFlowerSens', 'XiaomiBTLESens' );

my %devices;
my $json = JSON->new;
my $data = $json->decode($fhem_outpout);
my $aref = $data->{Results};

for my $device (@$aref) {

        ## filter for physical devices (IODev is set) OR channel-devices OR Type speedtest
        if (defined $device->{Attributes}{IODev} || ( defined $device->{Internals}{device} && defined $device->{Internals}{chanNo} ) || $device->{Internals}{TYPE} ~~ @allowed_types ) {

                my $devicename;

                ## check if device is a channel
                if ( defined $device->{Internals}{device} && defined $device->{Internals}{chanNo} ) {
                        ## channel!
                        $devicename = $device->{Internals}{device};
                } else {
                        ## physical device
                        $devicename = $device->{Name};
                }

                ## get device attributes
                while (my ($attribute, $value) = (each(%{$device->{Attributes}}))) {
                        ## e.g: $devices{eg.wz.thermostat}{Attributes}{model} = HM-SEC-SCo;
                        $devices{$devicename}{$device->{Name}}{Attributes}{$attribute} = $value;
                }
                ## get device readings  
                foreach my $data (sort keys %{$device->{Readings}}){
                        while (my ($reading, $value) = (each(%{$device->{Readings}{$data}}))) {
                                ## e.g: $devices{eg.wz.thermostat}{Readings}{model} = HM-SEC-SCo;
                                $devices{$devicename}{$device->{Name}}{Readings}{$data}{$reading} = $value;
                        }
                }
                ## get device internals
                while (my ($internal, $value) = (each(%{$device->{Internals}}))) {
                        ## e.g: $devices{eg.wz.thermostat}{Internals}{LASTInputDev} = myJeeLink;
                        $devices{$devicename}{$device->{Name}}{Internals}{$internal} = $value;
                }

        }
}


print "<<<fhem>>>\n";

print "Detected devices: ";
foreach my $device (sort keys %devices ){
        print "$device ";
}
print "\n";

foreach my $device (sort keys %devices ){
        printf("%-41s %-32s %-20s %s\n", $device, $device, 'TYPE', $devices{$device}{$device}{Internals}{TYPE});

        ## print model type if defined
        if ( $devices{$device}{$device}{Attributes}{model} ) {
                printf("%-41s %-32s %-20s %s\n", "", $device, 'model', $devices{$device}{$device}{Attributes}{model});
        }

        foreach my $channel (sort keys %{$devices{$device}}){   
                ## get device readings  
                foreach my $reading (sort keys %{$devices{$device}{$channel}{Readings}}){
                                
                        ## trim value
                        my $value = "$devices{$device}{$channel}{Readings}{$reading}{Value}";
                        $value =~ s/^\s+|\s+$//g;
                
                        if (( "$reading" !~ /RegL_\d+/ ) and ( "$value" ne "" )) {
                                ## e.g: $devices{eg.wz.thermostat}{Readings}{model} = HM-SEC-SCo
                                printf("%-20s %-20s %-30s   %-20s %s\n","", $devices{$device}{$channel}{Readings}{$reading}{Time}, $channel, $reading, $value);
                        }
                }
        }
}

## debug
#print Dumper \%devices;