#!/usr/bin/env php
<?php

require_once dirname(__FILE__).'/__init_script__.php';

$target = 'resources/php_compat_info.json';
echo "Purpose: Updates {$target} used by ArcanistXHPASTLinter.\n";

require_once 'vendor/autoload.php';

$output = array();
$output['@'.'generated'] = true;
$output['params'] = array();
$output['functions'] = array();
$output['classes'] = array();
$output['interfaces'] = array();

$references = array(
  new \Bartlett\CompatInfo\Reference\Extension\ApcExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\CoreExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\CurlExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\DateExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\FileinfoExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\GdExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\GettextExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\HttpExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\ImagickExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\IntlExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\JsonExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\LibxmlExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\MysqlExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\MysqliExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\PcntlExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\PcreExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\PdoExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\PharExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\PosixExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\ReflectionExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\SimplexmlExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\StandardExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\SplExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\XmlExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\XmlreaderExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\XmlwriterExtension(),
  new \Bartlett\CompatInfo\Reference\Extension\YamlExtension(),
);

foreach ($references as $reference) {
  foreach ($reference->getFunctions() as $function => $compat) {
    $output['functions'][$function] = array(
      'min' => nonempty($compat['php.min'], null),
      'max' => nonempty($compat['php.max'], null),
    );

    if (idx($compat, 'parameters')) {
      $output['params'][$function] = array_map(
        'trim', explode(',', $compat['parameters']));
    }
  }

  foreach ($reference->getInterfaces() as $interface => $compat) {
    $output['interfaces'][$interface] = array(
      'min' => nonempty($compat['php.min'], null),
      'max' => nonempty($compat['php.max'], null),
    );
  }

  foreach ($reference->getClasses() as $class => $compat) {
    $output['classes'][$class] = array(
      'min' => nonempty($compat['php.min'], null),
      'max' => nonempty($compat['php.max'], null),
    );
  }
}

ksort($output['params']);
ksort($output['functions']);
ksort($output['classes']);
ksort($output['interfaces']);

// Grepped from PHP Manual.
$output['functions_windows'] = array(
  'apache_child_terminate' => '',
  'chroot' => '',
  'getrusage' => '',
  'imagecreatefromxpm' => '',
  'lchgrp' => '',
  'lchown' => '',
  'nl_langinfo' => '',
  'strptime' => '',
  'sys_getloadavg' => '',
  'checkdnsrr' => '5.3.0',
  'dns_get_record' => '5.3.0',
  'fnmatch' => '5.3.0',
  'getmxrr' => '5.3.0',
  'getopt' => '5.3.0',
  'imagecolorclosesthwb' => '5.3.0',
  'inet_ntop' => '5.3.0',
  'inet_pton' => '5.3.0',
  'link' => '5.3.0',
  'linkinfo' => '5.3.0',
  'readlink' => '5.3.0',
  'socket_create_pair' => '5.3.0',
  'stream_socket_pair' => '5.3.0',
  'symlink' => '5.3.0',
  'time_nanosleep' => '5.3.0',
  'time_sleep_until' => '5.3.0',
);

file_put_contents(
  phutil_get_library_root('arcanist').'/../'.$target,
  id(new PhutilJSON())->encodeFormatted($output));

echo "Done.\n";