<?php
/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg (under the project TAO & TAO2);
 *               2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
 *               2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
 *               2013-2017 (update and modification) Open Assessment Technologies SA (under the project TAO-PRODUCT);
 */

/**
 * Short description of class tao_scripts_TaoInstall
 *
 * @access public
 * @author firstname and lastname of author, <author@example.org>
 * @package tao

 */
class tao_scripts_TaoInstall extends tao_scripts_Runner
{
    const CONTAINER_INDEX = 'taoScriptsInstall';

    // --- ASSOCIATIONS ---


    // --- ATTRIBUTES ---

    // --- OPERATIONS ---

    /**
     * Short description of method preRun
     *
     * @access public
     * @author firstname and lastname of author, <author@example.org>
     * @return mixed
     */
    public function preRun()
    {
        $root_path = realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..') . DIRECTORY_SEPARATOR;
        
        $this->options =  [
            'db_driver' => 'mysql',
            'db_host' => 'localhost',
            'db_name' => null,
            'db_pass' => '',
            'db_user' => 'tao',
            'install_sent'  => '1',
            'module_host'   => 'tao.local',
            'module_lang'   => 'en-US',
            'module_mode'   => 'debug',
            'module_name'   => 'mytao',
            'module_namespace' => '',
            'module_url'    => '',
            'submit'    => 'Install',
            'user_email'    => '',
            'user_firstname'    => '',
            'user_lastname' => '',
            'user_login'    => '',
            'user_pass' => '',
            'import_local' => true,
            'instance_name' => null,
            'extensions' => null,
            'timezone'   => date_default_timezone_get(),
            'file_path' => $root_path . 'data' . DIRECTORY_SEPARATOR,
            'operated_by_name' => null,
            'operated_by_email' => null,
            'extra_persistences' => []
        ];
        
        $this->options = array_merge($this->options, $this->parameters);
        
        // Feature #1789: default db_name is module_name if not specified.
        $this->options['db_name'] = (empty($this->options['db_name']) ? $this->options['module_name'] : $this->options['db_name']);
        
        // If no instance_name given, it takes the value of module_name.
        $this->options['instance_name'] = (empty($this->options['instance_name']) ? $this->options['module_name'] : $this->options['instance_name']);
        
        // user password treatment
        $this->options["user_pass1"] = $this->options['user_pass'];
        // module namespace generation
        if (empty($this->options["module_namespace"])) {
            $this->options['module_namespace'] = 'http://' . $this->options['module_host'] . '/' . $this->options['module_name'] . '.rdf';
        }
        
        if (empty($this->options['module_url'])) {
            $this->options['module_url'] = 'http://' . $this->options['module_host'];
        }
        
        $this->logDebug('Install was started with the given parameters: ' . PHP_EOL . var_export($this->options, true));
    }

    /**
     * Short description of method run
     *
     * @access public
     * @author firstname and lastname of author, <author@example.org>
     * @return mixed
     */
    public function run()
    {
        $this->logNotice("TAO is being installed. Please wait...");
        try {
            $rootDir = dir(dirname(__FILE__) . '/../../');
            $root = isset($this->parameters["root_path"])
                ? $this->parameters["root_path"]
                : realpath($rootDir->path) . DIRECTORY_SEPARATOR;

            // Setting the installator dependencies.
            $this->getContainer()->offsetSet(
                tao_install_Installator::CONTAINER_INDEX,
                [
                    'root_path'     => $root,
                    'install_path'  => $root . 'tao/install/'
                ]
            );

            $options = array_merge($this->options, $this->argv);

            $installator = new tao_install_Installator($this->getContainer());
            // mod rewrite cannot be detected in CLI Mode.
            $installator->escapeCheck('custom_tao_ModRewrite');
            $installator->install($options);
        } catch (Exception $e) {
            $this->logError("A fatal error has occurred during installation: " . $e->getMessage());
            $this->handleError($e);
        }
    }

    /**
     * Short description of method postRun
     *
     * @access public
     * @author firstname and lastname of author, <author@example.org>
     * @return mixed
     */
    public function postRun()
    {
        $this->logNotice("Installation successful.");
    }
}