';
//        print_r(static::get('/repos/lbryio/internal-issues/issues?labels=2019&filter=all'));
//        die('a');
        $issues = array_reduce(static::get('/repos/lbryio/internal-issues/issues?labels=2019&filter=all'), function($issues, $issue) {
            return array_merge($issues, [[
                'name' => $issue['title'],
                'quarter_date' => array_reduce($issue['labels'], function($carry, $label) {
                    if ($carry) { return $carry; }
                    return $label['name'][0] === 'Q' ? $label['name'] . ' 2019' : '';
                }, ''),
                'body' => $issue['body_html']
            ]]);
        }, []);
        usort($issues, function($a, $b) {
            if ($a['quarter_date'] === $b['quarter_date']) {
                return $a['name'] < $b['name'] ? -1 : 1;
            }
           return $a['quarter_date'] < $b['quarter_date'] ? -1 : 1;
        });
        return $issues;
    }

    public static function listRoadmapChangesets($cache = true)
    {
        $sets        = [];
        $allReleases = [];

        $projects = ['lbry' => 'LBRY Protocol', 'lbry-desktop' => 'LBRY App'];

        foreach ($projects as $project => $projectLabel) {
            $page = 1;
            do {
                $releases = static::get('/repos/lbryio/' . $project . '/releases', ['page' => $page], $cache);
                $page++;
                $allReleases = array_merge($allReleases, array_map(function ($release) use ($project, $projectLabel) {
                    return $release + ['project' => $projectLabel];
                }, array_filter($releases, function ($release) {
                    return isset($release['tag_name']) && isset($release['published_at']) && $release['published_at'];
                })));
            } while (count($releases) >= 30);
        }

        /**
         * This logic is likely overly convoluted at this point. It used to group releases by project before going
         * to strictly by time. - Jeremy
         */

        foreach ($allReleases as $release) {
            $group   = null;
            $matches = null;
            if (preg_match('/^v(\d+)\.(\d+)\./', $release['tag_name'] ?? '', $matches)) {
                $group = $release['project'] . ' v' . $matches[1] . '.' . $matches[2];
            }
            if ($group) {
                $sets[$group][] = array_intersect_key($release, [
            'prerelease' => null, 'tag_name' => null, 'published_at' => null, 'project' => null
          ]) + [
            'created_at'    => strtotime($release['created_at']),
            'date'          => date('Y-m-d', strtotime($release['created_at'])),
            //I thought published_at, but GitHub displays created_at and published_at is out of sync sometimes (0.3.2, 0.3.3)
            'name'          => $release['name'] ?: $release['tag_name'],
            'url'           => $release['html_url'],
            'major_version' => (int)$matches[1],
            'minor_version' => (int)$matches[2],
            'patch_version' => (int)isset($matches[3]) ? $matches[3] : 0,
            'sort_key'      => (int)$matches[1] * 1000000 + (int)$matches[2] * 1000 + (int)($matches[3] ?? 0),
            'version'       => $matches[1] . '.' . $matches[2] . '.' . (isset($matches[3]) ? $matches[3] : ''),
            'body'          => $release['body_html']
          ];
            }
        }

        uasort($sets, function ($sA, $sB) {
            if ($sA[0]['project'] != $sB[0]['project']) {
                return $sA[0]['project'] < $sB[0]['project'] ? -1 : 1;
            }
            return $sB[0]['sort_key'] <=> $sA[0]['sort_key'];
        });

        foreach ($sets as $group => &$groupSet) {
            usort($groupSet, function ($rA, $rB) {
                return $rB['created_at'] <=> $rA['created_at'];
            });
        }

        return $sets;
    }
}