<?php
$path = $argv[1] ?? '';

if(!is_dir($path))
    die("invalid path specified\r\n");

function collect_extensions(string $path): array {
    $files = glob(rtrim($path, '/') . '/*');
    $out = [];

    foreach($files as $file) {
        if(is_dir($file)) {
            $basename = basename($file);
            if($basename === 'vendor' || $basename === 'node_modules')
                continue;

            $dir = collect_extensions($file);
            foreach($dir as $a => $b) {
                if(isset($out[$a]))
                    $out[$a] += $b;
                else
                    $out[$a] = $b;
            }
            continue;
        }

        $ext = pathinfo($file, PATHINFO_EXTENSION);

        if(!in_array($ext, ['php', 'less', 'ts', 'tsx', 'twig']))
            continue;

        if($ext === 'tsx')
            $ext = 'ts';

        if(!isset($out[$ext]))
            $out[$ext] = 0;

        $out[$ext] += count(file($file));
    }

    return $out;
}

$out = collect_extensions($path);
arsort($out);

foreach($out as $language => $lines)
    echo "{$language}:\t" . number_format($lines) . " lines\r\n";