#!/usr/bin/env php

define('SYMFONY_SOURCE_DIR', __DIR__.'/src');

require_once SYMFONY_SOURCE_DIR.'/Symfony/Component/ClassLoader/ClassLoader.php';

$autoloader = new \Symfony\Component\ClassLoader\ClassLoader();

$autoloader->addPrefix('Symfony\\', SYMFONY_SOURCE_DIR);

$autoloader->register();

use Symfony\Component\Finder\Finder;

use Symfony\Component\Finder\SplFileInfo;

$finder = new Finder();

$finder->in(SYMFONY_SOURCE_DIR)->name('composer.json')->sortByName();

foreach ($finder as $composerFile) {

    fprintf(STDERR, "\tgenerate %s\n", $composerFile);

    $autoloadGenerator = new AutoloadGenerator($composerFile);

    echo $autoloadGenerator->getFilename().PHP_EOL;

    echo $autoloadGenerator->getDevFilename().PHP_EOL;

}

//------------------------------------------------------------------------------

final class AutoloadGenerator {

    private static $pkgMap = [

        'cache/integration-tests' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Cache/IntegrationTests/autoload.php',

        ],

        'doctrine/annotations' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/Common/Annotations/autoload.php',

        ],

        'doctrine/cache' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/Common/Cache/autoload.php',

        ],

        'doctrine/collections' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/Common/Collections/autoload.php',

        ],

        'doctrine/common' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/Common/autoload.php',

        ],

        'doctrine/data-fixtures' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/Common/DataFixtures/autoload.php',

        ],

        'doctrine/dbal' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/DBAL/autoload.php',

        ],

        'doctrine/doctrine-bundle' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/Bundle/DoctrineBundle/autoload.php',

        ],

        'doctrine/orm' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Doctrine/ORM/autoload.php',

        ],

        'egulias/email-validator' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Egulias/EmailValidator/autoload.php',

        ],

        'fig/link-util' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Fig/Link/autoload.php',

        ],

        'monolog/monolog' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Monolog/autoload.php',

        ],

        'ocramius/proxy-manager' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'ProxyManager/autoload.php',

        ],

        'phpdocumentor/reflection-docblock' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'phpDocumentor/Reflection/DocBlock/autoload.php',

        ],

        'predis/predis' => false,

        'psr/cache-implementation' => false,

        'psr/container-implementation' => false,

        'psr/log-implementation' => false,

        'psr/cache' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Psr/Cache/autoload.php',

        ],

        'psr/container' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Psr/Container/autoload.php',

        ],

        'psr/link' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Psr/Link/autoload.php',

        ],

        'psr/log' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Psr/Log/autoload.php',

        ],

        'psr/simple-cache' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Psr/SimpleCache/autoload.php',

        ],

        'sensio/framework-extra-bundle' => false,

        'symfony/asset' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Asset/autoload.php',

        ],

        'symfony/browser-kit' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/BrowserKit/autoload.php',

        ],

        'symfony/cache' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Cache/autoload.php',

        ],

        'symfony/class-loader' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/ClassLoader/autoload.php',

        ],

        'symfony/config' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Config/autoload.php',

        ],

        'symfony/console' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Console/autoload.php',

        ],

        'symfony/css-selector' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/CssSelector/autoload.php',

        ],

        'symfony/debug-bundle' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bundle/DebugBundle/autoload.php',

        ],

        'symfony/debug' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Debug/autoload.php',

        ],

        'symfony/dependency-injection' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/DependencyInjection/autoload.php',

        ],

        'symfony/doctrine-bridge' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bridge/Doctrine/autoload.php',

        ],

        'symfony/dom-crawler' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/DomCrawler/autoload.php',

        ],

        'symfony/event-dispatcher' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/EventDispatcher/autoload.php',

        ],

        'symfony/expression-language' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/ExpressionLanguage/autoload.php',

        ],

        'symfony/filesystem' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Filesystem/autoload.php',

        ],

        'symfony/finder' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Finder/autoload.php',

        ],

        'symfony/form' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Form/autoload.php',

        ],

        'symfony/framework-bundle' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bundle/FrameworkBundle/autoload.php',

        ],

        'symfony/http-foundation' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/HttpFoundation/autoload.php',

        ],

        'symfony/http-kernel' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/HttpKernel/autoload.php',

        ],

        'symfony/inflector' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Inflector/autoload.php',

        ],

        'symfony/intl' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Intl/autoload.php',

        ],

        'symfony/ldap' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Ldap/autoload.php',

        ],

        'symfony/lock' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Lock/autoload.php',

        ],

        'symfony/monolog-bridge' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Monolog/autoload.php',

        ],

        'symfony/options-resolver' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/OptionsResolver/autoload.php',

        ],

        'symfony/phpunit-bridge' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bridge/PhpUnit/autoload.php',

        ],

        'symfony/polyfill-apcu' => false,

        'symfony/polyfill-iconv' => false,

        'symfony/polyfill-intl-grapheme' => false,

        'symfony/polyfill-intl-icu' => false,

        'symfony/polyfill-intl-normalizer' => false,

        'symfony/polyfill-mbstring' => false,

        'symfony/polyfill-php54' => (PHP_VERSION_ID < 50400)

            ? [

                'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

                'path' => 'Symfony/Polyfill/autoload.php',

            ]

            : false,

        'symfony/polyfill-php55' => (PHP_VERSION_ID < 50500)

            ? [

                'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

                'path' => 'Symfony/Polyfill/autoload.php',

            ]

            : false,

        'symfony/polyfill-php56' => (PHP_VERSION_ID < 50600)

            ? [

                'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

                'path' => 'Symfony/Polyfill/autoload.php',

            ]

            : false,

        'symfony/polyfill-php70' => (PHP_VERSION_ID < 70000)

            ? [

                'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

                'path' => 'Symfony/Polyfill/autoload.php',

            ]

            : false,

        'symfony/polyfill-util' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Symfony/Polyfill/autoload.php',

        ],

        'symfony/polyfill-xml' => false,

        'symfony/polyfill' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Symfony/Polyfill/autoload.php',

        ],

        'symfony/process' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Process/autoload.php',

        ],

        'symfony/property-access' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/PropertyAccess/autoload.php',

        ],

        'symfony/property-info' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/PropertyInfo/autoload.php',

        ],

        'symfony/proxy-manager-bridge' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bridge/ProxyManager/autoload.php',

        ],

        'symfony/routing' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Routing/autoload.php',

        ],

        'symfony/security-acl' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => 'Symfony/Component/Security/Acl/autoload.php',

        ],

        'symfony/security-bundle' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bundle/SecurityBundle/autoload.php',

        ],

        'symfony/security-core' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Security/Core/autoload.php',

        ],

        'symfony/security-csrf' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Security/Csrf/autoload.php',

        ],

        'symfony/security-guard' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Security/Guard/autoload.php',

        ],

        'symfony/security-http' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Security/Http/autoload.php',

        ],

        'symfony/security' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Security/autoload.php',

        ],

        'symfony/serializer' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Serializer/autoload.php',

        ],

        'symfony/stopwatch' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Stopwatch/autoload.php',

        ],

        'symfony/templating' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Templating/autoload.php',

        ],

        'symfony/translation' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Translation/autoload.php',

        ],

        'symfony/twig-bridge' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bridge/Twig/autoload.php',

        ],

        'symfony/twig-bundle' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bundle/TwigBundle/autoload.php',

        ],

        'symfony/validator' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Validator/autoload.php',

        ],

        'symfony/var-dumper' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/VarDumper/autoload.php',

        ],

        'symfony/web-link' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/WebLink/autoload.php',

        ],

        'symfony/web-profiler-bundle' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Bundle/WebProfilerBundle/autoload.php',

        ],

        'symfony/workflow' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Workflow/autoload.php',

        ],

        'symfony/yaml' => [

            'prefix' => 'FEDORA_SYMFONY3_DIR',

            'path' => 'Component/Yaml/autoload.php',

        ],

        'twig/twig' => [

            'prefix' => 'FEDORA_SYMFONY3_PHP_DIR',

            'path' => [

                'Twig2/autoload.php',

                'Twig/autoload.php',

            ],

        ],

    ];

    private $filename = null;

    private $devFilename = null;

    public function __construct(SplFileInfo $composerFile) {

        $composerJson = static::composerJson($composerFile);

        // autoload.php

        $content = static::content(

            $composerJson,

            static::dependencyAutoloaders($composerJson, 'require'),

            static::dependencyAutoloaders($composerJson, 'suggest')

        );

        $this->filename = $composerFile->getPath() . '/autoload.php';

        if (FALSE == file_put_contents($this->filename, $content)) {

            throw new Exception(sprintf(

                'Failed to generate autoload file "%s"',

                $this->filename

            ));

        }

        // autoload-dev.php

        $content = static::content(

            $composerJson,

            static::dependencyAutoloaders($composerJson, 'require-dev'),

            [],

            true

        );

        $this->devFilename = $composerFile->getPath() . '/autoload-dev.php';

        if (FALSE == file_put_contents($this->devFilename, $content)) {

            throw new Exception(sprintf(

                'Failed to generate autoload file "%s"',

                $this->filename

            ));

        }

    }

    private static function composerJson(SplFileInfo $composerFile) {

      $composerJson = json_decode(

          file_get_contents($composerFile->getPathname()),

          true

      );

      if (!isset($composerJson)) {

          throw new \Exception(sprintf(

              'Failed to JSON decode "%s"',

              $composerFile->getPathname()

          ));

      }

      return $composerJson;

    }

    private static function dependencyAutoloaders($composerJson, $composerKey) {

        $dependencyAutoloaders = [];

        if (isset($composerJson[$composerKey])) {

            $dependencies = array_keys(array_filter(

                $composerJson[$composerKey],

                function ($pkg) {

                    return preg_match('#[^/]+/[^/]+#', $pkg);

                },

                ARRAY_FILTER_USE_KEY

            ));

            foreach ($dependencies as $pkg) {

                // Use Symfony cache component as PSR cache implementation

                // for "require-dev" dependency.

                if (

                    ('require-dev' == $composerKey)

                    && ('psr/cache-implementation' == $pkg)

                ) {

                    $pkg = 'symfony/cache';

                }

                if ($autoloader = self::pkg2Autoload($pkg)) {

                    $dependencyAutoloaders[] = $autoloader;

                }

            }

            ksort($dependencyAutoloaders);

        }

        return $dependencyAutoloaders;

    }

    private static function pkg2Autoload ($pkg) {

        if (!isset(self::$pkgMap[$pkg])) {

            throw new Exception(sprintf('No autoload map found for pkg "%s"', $pkg));

        } elseif (empty(self::$pkgMap[$pkg])) {

            return null;

        }

        $map = self::$pkgMap[$pkg];

        $prefix = $map['prefix'];

        $path = $map['path'];

        return is_array($path)

            ? sprintf('[%s]', implode(', ', array_map(function ($map_path) use ($prefix) {

                return sprintf("%s.'/%s'", $prefix, $map_path);

            }, $path)))

            : sprintf("%s.'/%s'", $prefix, $path);

    }

    public function content($composerJson, array $dependencyAutoloadersRequired, array $dependencyAutoloadersOptional = [], $dev = false) {

        $pkg = explode('/', $composerJson['name'])[1];

        $content = <<

/**

 * Autoloader for php-symfony3-${pkg} and its' dependencies

 * (created by php-symfony3-__VERSION__-__RELEASE__).

 */

AUTOLOAD;

        // This switch statement handles the "autoload-common" require for sub-sub-modules.

        if (!$dev) {

            switch ($pkg) {

                case 'security-core':

                case 'security-csrf':

                case 'security-guard':

                case 'security-http':

                    $content .= "require_once dirname(dirname(dirname(__DIR__))).'/autoload-common.php';".PHP_EOL;

                    break;

                default:

                    $content .= "require_once dirname(dirname(__DIR__)).'/autoload-common.php';".PHP_EOL;

            }

        } else {

            switch ($pkg) {

                case 'security-core':

                case 'security-csrf':

                case 'security-guard':

                case 'security-http':

                    $content .= "require_once dirname(__DIR__).'/autoload.php';".PHP_EOL;

                    break;

                default:

                    $content .= "require_once __DIR__.'/autoload.php';".PHP_EOL;

            }

        }

        if (!empty($dependencyAutoloadersRequired)) {

            $dependencyAutoloadersRequiredString = implode(",\n    ", $dependencyAutoloadersRequired);

            $content .= <<

\Fedora\Autoloader\Dependencies::required([

    $dependencyAutoloadersRequiredString

]);

DEPENDENCY_AUTOLOADERS_REQUIRED;

        }

        if (!empty($dependencyAutoloadersOptional)) {

            $dependencyAutoloadersOptionalString = implode(",\n    ", $dependencyAutoloadersOptional);

            $content .= <<

\Fedora\Autoloader\Dependencies::optional([

    $dependencyAutoloadersOptionalString

]);

DEPENDENCY_AUTOLOADERS_REQUIRED;

        }

        return $content.PHP_EOL;

    }

    public function getFilename() {

        return $this->filename;

    }

    public function getDevFilename() {

        return $this->devFilename;

    }

}