#!/usr/bin/perl
use 5.014000;
use strict;
use warnings;

use File::Slurp;
use JSON::MaybeXS;

open my $fh, '>', 't/snapshot-rev4.csv';
select $fh;

my %tests = %{decode_json read_file 't/snapshot-rev4.json'};
my @colors = qw/xyz luv lch husl huslp/;

say join ',', qw/rgb8 xyz_x xyz_y xyz_z luv_l luv_u luv_v lch_l lch_c lch_h husl_h husl_s husl_l huslp_h husl_s husl_l/;
for my $rgb8 (sort keys %tests) {
	next if $rgb8 =~ m/[13579bde]/i;
	my @cols = map { @{$tests{$rgb8}{$_}} } @colors;
	say join ',', substr($rgb8, 1), map { sprintf '%.4f', $_ } @cols;
}