#!/usr/bin/env perl

###################
################### This tool is horribly written.
################### It is a bloody hack.
################### It should be refactored. But it seems to kind of work
###################
###################

my $executed_as = join( ' ', @ARGV );

use warnings;
use strict;
use File::Temp qw/tempdir/;
use Cwd qw/abs_path cwd/;
use JSON::PP;
use Getopt::Long;

my $avr_platform_template = {
    'archiveFileName'   => $filename,
    'toolsDependencies' => [
        {
            "packager" => "arduino",
            "name"     => "avr-gcc",
            "version"  => "7.3.0-atmel3.6.1-arduino7"
        },
        {
            "packager" => "arduino",
            "name"     => "avrdude",
            "version"  => "6.3.0-arduino17"
        }
    ],
    'url'      => $build_base_url . '/' . $filename,
    'name'     => "Kaleidoscope keyboards",
    'version'  => $version,
    'checksum' => 'SHA-256:' . $sha256,
    'size'     => $size,
    'boards'   => [
        { 'name' => 'Keyboardio Model 01' }, { 'name' => 'Keyboardio Atreus' }
    ],
    'architecture' => 'avr',
    'category'     => 'Contributed',
    'help'         => {
        'online' => 'https://community.keyboard.io'
    }
};

my $gd32_platform_template = {
    'archiveFileName'   => $filename,
    'url'               => $build_base_url . '/' . $filename,
    'name'              => "Kaleidoscope keyboards (GD32)",
    'version'           => $version,
    'checksum'          => 'SHA-256:' . $sha256,
    'size'              => $size,
    'architecture'      => 'gd32',
    'toolsDependencies' => [
        {
            'name'     => 'xpack-arm-none-eabi-gcc',
            'packager' => 'GD32Community',
            'version'  => '9.3.1-1.3'
        },
        {
            'packager' => 'GD32Community',
            'version'  => '0.11.0-1',
            'name'     => 'xpack-openocd'
        },
        {
            'name'     => 'dfu-util',
            'version'  => '0.10.0-arduino1',
            'packager' => 'GD32Community'
        }
    ],
    'version' => '0.0.1',
    'name'    => 'Kaleidoscope Keyboards (GD32)',
    'boards'  => [
        {
            'name' => 'Keyboardio Model 100'
        }
    ],
    'category' => 'Contributed',
    'help'     => {
        'online' => 'https://community.keyboard.io'
    }
};

my $sha256 = 0;
my $size   = 0;

my $version             = '';
my $tag                 = 'master';
my $kaleidoscope_tag    = 'master';
my $working_dir         = tempdir( CLEANUP => 0 );
my $index_filename_slug = 'keyboardio';

my $only_latest_platform = 0;

my $bundle_repo =
  'https://github.com/keyboardio/Kaleidoscope-Bundle-Keyboardio';
my $boards_repo       = 'https://github.com/keyboardio/boardsmanager';
my $push_package_repo = 0;

GetOptions(
    "bundle-tag=s"               => \$tag,
    "kaleidoscope-tag=s"         => \$kaleidoscope_tag,
    "bundle-repo=s"              => \$bundle_repo,
    "output-repo=s"              => \$boards_repo,
    "index-filename-slug=s"      => \$index_filename_slug,
    "version=s"                  => \$version,
    "only-one-platform-revision" => \$only_latest_platform,
    "push"                       => \$push_package_repo
) or die("Error in command line arguments\n");

my $index_filename = 'package_' . $index_filename_slug . '_index.json';

if ( $version eq '' && $tag =~ /^v(\d.*)$/ ) {
    $version = $1;
}

my $checkout_dir = "Kaleidoscope-$version";
my $filename     = $checkout_dir . ".tar.bz2";

my $build_base_url = $boards_repo . "/master/builds/";
$build_base_url =~ s|^ssh://git\@github.com|https://raw.githubusercontent.com|;
$build_base_url =~ s|^https?://github.com|https://raw.githubusercontent.com|;

print "Working directory: $working_dir\n";
chdir($working_dir);

clone_repos();

print "cd $checkout_dir\n";
chdir($checkout_dir);
my @bundle_dirs_to_remove =
  qw|toolchain etc doc avr/build-tools avr/bootloaders/*/lufa avr/libraries/Kaleidoscope/testing avr/libraries/Kaleidoscope/tests avr/libraries/Kaleidoscope/docs|;

foreach my $dir_to_remove (@bundle_dirs_to_remove) {
    print "rm -rf $dir_to_remove\n";
    `rm -rf $dir_to_remove`;
}

chdir("avr/libraries/Kaleidoscope");

checkout_kaleidoscope($kaleidoscope_tag);

lift_plugins_to_arduino_libs();
set_plugin_versions();

chdir($working_dir);
`mv $checkout_dir/avr $checkout_dir/$checkout_dir`
  ;    # A hack to get consistent naming with the old setup
`find $checkout_dir -name .git |xargs rm -rf`;
`tar cjvf $filename -C $checkout_dir/ $checkout_dir `;

$sha256 = `sha256sum $filename | cut -d' ' -f 1 `;
chomp($sha256);
die "There was a problem generating the sha256" unless ($sha256);

$size = -s $filename;
`mkdir -p boardsmanager/builds`;
if ($only_latest_platform) {
    `rm -rf boardsmanager/builds/*`;
}
`cp $filename boardsmanager/builds/`;

update_index_file();

chdir('boardsmanager');

commit_results();

if ($push_package_repo) {
    `git push`;
}
else {

    print
"Now, you need to cd to $working_dir/boardsmanager check the content and push it\n";
}

exit 0;

sub set_plugin_versions {
    chdir("$working_dir/$checkout_dir/avr/libraries");
    `perl -pi -e's/version=0.0.0/version=$version/' */library.properties`;
}

sub clone_repos {

`git clone --depth=1 --quiet --recurse-submodules --branch $tag $bundle_repo $checkout_dir`;
    `git clone $boards_repo boardsmanager`;
}

sub checkout_kaleidoscope {
    my $tag = shift;
    `git checkout --quiet $tag`;
}

sub lift_plugins_to_arduino_libs {
    if ( -d 'plugins' ) {
        chdir("plugins");

        # move the plugins to be fullfledged arduino libraries
        `mv * ../../`;
    }
}

sub update_index_file {

    my $json = JSON::PP->new->allow_nonref;
    local $/;
    open( my $fh, '<', 'boardsmanager/' . $index_filename )
      || die "Could not open boardsmanager/$index_filename $!";
    my $json_text = <$fh>;
    my $data      = decode_json($json_text);
    if ($only_latest_platform) {
        @{ $data->{'packages'}->[0]->{'platforms'} } =
          ( $avr_platform_template, $gd32_platform_template );
    }
    else {
        push @{ $data->{'packages'}->[0]->{'platforms'} },
          $avr_platform_template,
          $gd32_platform_template;
    }
    my $json_out = $json->canonical->pretty->encode($data);
    open( my $out_fh, '>', 'boardsmanager/' . $index_filename );
    print $out_fh $json_out;
    close($out_fh);
}

sub commit_results {

    `git add $index_filename`;
    `git add builds`;
    `git commit -a -m 'Built by $executed_as'`;
}