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

use Data::Dumper::Compact 'ddc';
use lib map { "$ENV{HOME}/sandbox/$_/lib" } qw(MIDI-Util);
use MIDI::Util;
use Music::MelodicDevice::Inversion;

my $score = MIDI::Util::setup_score();

my $md = Music::MelodicDevice::Inversion->new(
    scale_note => 'C',
    scale_name => 'major',
#    verbose => 1,
);

my $motif = [(('qn') x 12), qw(dqn en hn)];
my $notes = [qw(E4 E4 F4 G4  G4 F4 E4 D4  C4 C4 D4 E4  E4 D4 D4)];
my $inverted = $md->invert('G4', $notes);
my $retrograde = [ reverse @$notes ];
my $retro_inv = [ reverse @$inverted ];

# Simultaneous
#for my $n (0 .. $#$motif) {
#    $score->n($motif->[$n], $notes->[$n], $inverted->[$n]);
#}
#for my $n (0 .. $#$motif) {
#    $score->n($motif->[$n], $retrograde->[$n], $retro_inv->[$n]);
#}

# In sequence
for my $phrase (
    $notes,
    $inverted,
    $retrograde,
    $retro_inv,
) {
    @$phrase = MIDI::Util::midi_format(@$phrase);
    print ddc($phrase);
    for my $n (0 .. $#$phrase) {
        $score->n($motif->[$n], $phrase->[$n]);
    }
}

$score->write_score("$0.mid");
