<?php
/**
 * cliUpgrade.php
 *
 * ProcessMaker Open Source Edition
 * Copyright (C) 2011 Colosa Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
 * Coral Gables, FL, 33134, USA, or email info@colosa.com.
 *
 * @author Alexandre Rosenfeld <alexandre@colosa.com>
 * @package workflow-engine-bin-tasks
 */

use ProcessMaker\Core\System;

CLI::taskName('upgrade');
CLI::taskDescription("Upgrade workspaces.\n\n This command should be run after upgrading ProcessMaker to a new version so that all workspaces are also upgraded to the\n  new version.");

CLI::taskOpt('buildACV', 'If this option is enabled, the Cache View is built.', 'ACV', 'buildACV');
CLI::taskOpt('noxml', 'If this option is enabled, the XML files translation is not built.', 'NoXml', 'no-xml');
CLI::taskRun("run_upgrade");
/*----------------------------------********---------------------------------*/
CLI::taskArg('workspace');
/*----------------------------------********---------------------------------*/

/**
 * A version of rm_dir which does not exits on error.
 *
 * @param  string $filename directory or file to remove
 * @param  bool $filesOnly either to remove the containing directory as well or not
 */
function rm_dir($filename, $filesOnly = false)
{
    if (is_file($filename)) {
        @unlink($filename) or CLI::logging(CLI::error("Could not remove file $filename")."\n");
    } else {
        foreach (glob("$filename/*") as $f) {
            rm_dir($f);
        }
        if (!$filesOnly) {
            @rmdir($filename) or CLI::logging(CLI::error("Could not remove directory $filename")."\n");
        }
    }
}

function run_upgrade($command, $args)
{
    CLI::logging("UPGRADE", PROCESSMAKER_PATH . "upgrade.log");
    CLI::logging("Checking files integrity...\n");
    //setting flag to true to check into sysGeneric.php
    $workspaces = get_workspaces_from_args($command);
    $oneWorkspace = 'true';
    if (count($workspaces) == 1) {
        foreach ($workspaces as $index => $workspace) {
            $oneWorkspace = $workspace->name;
        }
    }
    $flag = G::isPMUnderUpdating(1, $oneWorkspace);
    //start to upgrade
    $checksum = System::verifyChecksum();
    if ($checksum === false) {
        CLI::logging(CLI::error("checksum.txt not found, integrity check is not possible") . "\n");
        if (!CLI::question("Integrity check failed, do you want to continue the upgrade?")) {
            CLI::logging("Upgrade failed\n");
            $flag = G::isPMUnderUpdating(0);
            die();
        }
    } else {
        if (!empty($checksum['missing'])) {
            CLI::logging(CLI::error("The following files were not found in the installation:")."\n");
            foreach ($checksum['missing'] as $missing) {
                CLI::logging(" $missing\n");
            }
        }
        if (!empty($checksum['diff'])) {
            CLI::logging(CLI::error("The following files have modifications:")."\n");
            foreach ($checksum['diff'] as $diff) {
                CLI::logging(" $diff\n");
            }
        }
        if (!(empty($checksum['missing']) || empty($checksum['diff']))) {
            if (!CLI::question("Integrity check failed, do you want to continue the upgrade?")) {
                CLI::logging("Upgrade failed\n");
                $flag = G::isPMUnderUpdating(0);
                die();
            }
        }
    }
    CLI::logging("Clearing cache...\n");
    if (defined('PATH_C')) {
        G::rm_dir(PATH_C);
        G::mk_dir(PATH_C, 0777);
    }

    $count = count($workspaces);
    $first = true;
    $errors = false;
    $countWorkspace = 0;
    $buildCacheView = array_key_exists('buildACV', $args);
    $flagUpdateXml  = !array_key_exists('noxml', $args);

    foreach ($workspaces as $index => $workspace) {
        if (empty(config("system.workspace"))) {
            define("SYS_SYS", $workspace->name);
            config(["system.workspace" => $workspace->name]);
        }

        if (!defined("PATH_DATA_SITE")) {
            define("PATH_DATA_SITE", PATH_DATA . "sites" . PATH_SEP . config("system.workspace") . PATH_SEP);
        }

        if(!defined('DB_ADAPTER')) {
            define('DB_ADAPTER', 'mysql');
        }

        try {
            $countWorkspace++;
            CLI::logging("Upgrading workspaces ($countWorkspace/$count): " . CLI::info($workspace->name) . "\n");
            $workspace->upgrade($buildCacheView, $workspace->name, false, 'en', ['updateXml' => $flagUpdateXml, 'updateMafe' => $first]);
            $workspace->close();
            $first = false;
            $flagUpdateXml = false;
        } catch (Exception $e) {
            CLI::logging("Errors upgrading workspace " . CLI::info($workspace->name) . ": " . CLI::error($e->getMessage()) . "\n");
            $errors = true;
        }
    }

    //Verify the information of the singleton ServConf by changing the name of the class if is required.
    CLI::logging("\nCheck/Fix serialized instance in serverConf.singleton file\n\n");
    $serverConf = ServerConf::getSingleton();
    $serverConf->updateClassNameInFile();

    // SAVE Upgrades/Patches
    $arrayPatch = glob(PATH_TRUNK . 'patch-*');

    if ($arrayPatch) {
        foreach ($arrayPatch as $value) {
            if (file_exists($value)) {
                // copy content the patch
                $names = pathinfo($value);
                $nameFile = $names['basename'];

                $contentFile = file_get_contents($value);
                $contentFile = preg_replace("[\n|\r|\n\r]", '', $contentFile);
                CLI::logging($contentFile . ' installed (' . $nameFile . ')', PATH_DATA . 'log/upgrades.log');

                // move file of patch
                $newFile = PATH_DATA . $nameFile;
                G::rm_dir($newFile);
                copy($value, $newFile);
                G::rm_dir($value);
            }
        }
    } else {
        CLI::logging('ProcessMaker ' . System::getVersion(). ' installed', PATH_DATA . 'log/upgrades.log');
    }

    //Safe upgrade for JavaScript files
    CLI::logging("\nSafe upgrade for files cached by the browser\n\n");

    G::browserCacheFilesSetUid();

    //Status
    if ($errors) {
        CLI::logging("Upgrade finished but there were errors upgrading workspaces.\n");
        CLI::logging(CLI::error("Please check the log above to correct any issues.") . "\n");
    } else {
        CLI::logging("Upgrade successful\n");
    }

    //setting flag to false
    $flag = G::isPMUnderUpdating(0);
}

function listFiles($dir) {
    $files = array();
    $lista = glob($dir.'/*');
    foreach($lista as $valor) {
        if (is_dir($valor)) {
            $inner_files =  listFiles($valor);
            if (is_array($inner_files)) $files = array_merge($files, $inner_files);
        }
        if (is_file($valor)) {
            array_push($files, $valor);
        }
    }
    return $files;
}
/*----------------------------------********---------------------------------*/