tgscraper/bin/tgscraper

#!/usr/bin/env php8.0
<?php

require_once __DIR__ . '/../vendor/autoload.php';

use TgScraper\Generator;

$args = getopt('o:u:n:hs:');


if (array_key_exists('h', $args)) {
    echo 'Usage: tgscraper -o <output> [-u <url>] [-n <namespace>] [-s <scheme>]' . PHP_EOL . PHP_EOL;
    echo 'Options:' . PHP_EOL;
    echo ' -n <namespace>    namespace to use (for PHP stubs only)' . PHP_EOL;
    echo ' -o <output>       output file/directory (the directory must exist) for JSON schema or PHP stubs' . PHP_EOL;
    echo ' -s <scheme>       path to custom scheme to use (for PHP stubs only)' . PHP_EOL;
    echo ' -u <url>          URL to use for fetching bot API data' . PHP_EOL . PHP_EOL;
    echo 'Note: based on the "-o" value, the script will automatically detect whether to output a JSON schema or the PHP stubs.' . PHP_EOL;
    exit;
}

$output = $args['o'] ?? null;
$namespace = $args['n'] ?? 'Generated';
$url = $args['u'] ?? Generator::BOT_API_URL;
$scheme = $args['s'] ?? null;

if (empty($output)) {
    fwrite(STDERR, 'ERROR: "-o" option missing!' . PHP_EOL . PHP_EOL);
    fwrite(STDERR, 'Use "tgscraper -h" for help.' . PHP_EOL);
    exit(1);
}

if (!empty($url) and !filter_var($url, FILTER_VALIDATE_URL)) {
    echo '> WARNING: URL not valid, the default one will be used.' . PHP_EOL;
    $url = Generator::BOT_API_URL;
}

$generator = new Generator($url);
$data = null;
if (is_dir($output)) {
    if (!empty($scheme)) {
        $data = file_get_contents($scheme);
        if (false === $data) {
            echo sprintf('> WARNING: Cannot read data from "%s", URL will be used instead.%s', $scheme, PHP_EOL);
            echo sprintf('> Using "%s" as URL.%s', $url, PHP_EOL);
            try {
                echo '> Extracting JSON scheme.' . PHP_EOL;
                $data = $generator->toJson();
            } catch (Exception $e) {
                echo '> ERROR: Unable to extract scheme: ' . $e->getMessage() . PHP_EOL;
                exit(1);
            }
        } else {
            echo sprintf('> Loaded data from "%s".%s', $scheme, PHP_EOL);
        }
        echo sprintf('> Outputting PHP stubs to %s.%s', realpath($output), PHP_EOL);
        $result = $generator->toStubs($output, $namespace, $data);
        if (!$result) {
            echo '> ERROR: unable to create stubs.' . PHP_EOL;
        }
        exit(!$result);
    }
    echo sprintf('> Using "%s" as URL.%s', $url, PHP_EOL);
    try {
        echo '> Extracting JSON scheme.' . PHP_EOL;
        $data = $generator->toJson();
    } catch (Exception $e) {
        echo '> ERROR: Unable to extract scheme: ' . $e->getMessage() . PHP_EOL;
        exit(1);
    }
    echo sprintf('> Outputting PHP stubs to %s.%s', realpath($output), PHP_EOL);
    $result = $generator->toStubs($output, $namespace, $data);
    if (!$result) {
        echo '> ERROR: unable to create stubs.' . PHP_EOL;
    }
    exit(!$result);
}

echo sprintf('> Using "%s" as URL.%s', $url, PHP_EOL);
touch($output);
echo sprintf('> Outputting JSON schema to %s.%s', realpath($output), PHP_EOL);

try {
    $data = $generator->toJson(JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
} catch (Exception $e) {
    echo '> ERROR: Unable to generate scheme:' . $e->getMessage() . PHP_EOL;
    exit(1);
}

$error = file_put_contents($output, $data) === false;

if ($error) {
    echo '> ERROR: unable to write to file.' . PHP_EOL;
}

exit($error);