<?php

$helpText = <<<EOT

    Usage: configure [OPTION]...

        install                                 Install application
        remove                                  Delete application
        configure                               Switch current installation between TRIAL-MODE | SAFE-MODE | FREE-MODE
        upgrade <current-version> <version>     Upgrades <current-version> installation to version <version>
        patch <current-version> <version>       Patch <current-version> installation to version <version>

    Requires minimum PHP 5.4 version to assure functionality
    Report bugs to <albert.florescu@1and1.ro>
    For internal use of 1&1 Internet AG application packaging


EOT;

if (version_compare(preg_replace('/[^0-9.]/', '', PHP_VERSION), '5.4', '<')) {
    echo $helpText;
    exit(1);
}

if (count($argv) < 2 || count($argv) > 4) {
    echo $helpText;
    exit(1);
}

if (isset($argv[2]) && isset($argv[3])) {

    if ($argv[1] === 'upgrade') {
        require_once dirname(__FILE__) . '/defines.php';
        require_once dirname(__FILE__) . '/functions.php';
        require_once dirname(__FILE__) . '/upgrade.php';

        exit(0);
    }

    if ($argv[1] === 'patch') {
        require_once dirname(__FILE__) . '/defines.php';
        require_once dirname(__FILE__) . '/functions.php';
        require_once dirname(__FILE__) . '/patch.php';

        exit(0);
    }

    else {
        echo $helpText;
        exit(1);
    }
}

if ($argv[1] === 'install') {
    require_once dirname(__FILE__) . '/defines.php';
    require_once dirname(__FILE__) . '/functions.php';
    require_once dirname(__FILE__) . '/install.php';

    exit(0);
}

if ($argv[1] === 'remove') {
    require_once dirname(__FILE__) . '/defines.php';
    require_once dirname(__FILE__) . '/functions.php';
    require_once dirname(__FILE__) . '/remove.php';

    exit(0);
}

if ($argv[1] === 'configure') {
    require_once dirname(__FILE__) . '/defines.php';
    require_once dirname(__FILE__) . '/functions.php';
    require_once dirname(__FILE__) . '/switch.php';

    exit(0);
}

else {
    echo $helpText;
    exit(1);
}