<?php
/**
 * DokuWiki Plugin structupdate (Helper Component)
 *
 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
 * @author  Szymon Olewniczak <it@rid.pl>
 */

// must be run within Dokuwiki
if (!defined('DOKU_INC')) {
    die();
}

use dokuwiki\plugin\struct\meta\AccessTable;
use dokuwiki\plugin\struct\meta\AccessTableLookup;
use dokuwiki\plugin\struct\meta\Assignments;
use dokuwiki\plugin\struct\meta\Schema;
use dokuwiki\plugin\struct\meta\StructException;

/**
 * Update struct date using bureaucracy forms
 *
 */
class helper_plugin_structupdate_update extends helper_plugin_bureaucracy_action
{
    /**
     * Performs struct_lookup action
     *
     * @param helper_plugin_bureaucracy_field[] $fields  array with form fields
     * @param string $thanks  thanks message
     * @param array  $argv    array with entries: pageid/rowid
     * @return array|mixed
     *
     * @throws Exception
     */
    public function run($fields, $thanks, $argv) {
        global $ID;

        list($page_row_id) = $argv;
        $page_row_id = trim($page_row_id);
        if (!$page_row_id) {
            $page_row_id = $ID;
        } else {
            // perform replacements
            $this->prepareFieldReplacements($fields);
            $page_row_id = $this->replace($page_row_id);
        }

        // get all struct values and their associated schemas
        $tosave = [];
        foreach($fields as $field) {
            if(!is_a($field, 'helper_plugin_struct_field')) continue;
            /** @var helper_plugin_struct_field $field */
            $tbl = $field->column->getTable();
            $lbl = $field->column->getLabel();
            if(!isset($tosave[$tbl])) $tosave[$tbl] = [];
            $tosave[$tbl][$lbl] = $field->getParam('value');
        }

        /** @var \helper_plugin_struct $helper */
        $helper = plugin_load('helper', 'struct');
        $page = cleanID($page_row_id);

        try {
            if (page_exists($page)) {
                $assignments = Assignments::getInstance();
                $tables = $assignments->getPageAssignments($ID);

                $schemadata = [];
                foreach($tables as $table) {
                    $schema = AccessTable::getPageAccess($table, $page);
                    if(!$schema->getSchema()->isEditable()) {
                        throw new Exception("Schema $table is not editable");
                    }
                    $schemadata[$table] = [];
                    foreach ($schema->getData() as $col => $value) {
                        $schemadata[$table][$col] = $value->getRawValue();
                    }
                }

                foreach ($schemadata as $table => $cols) {
                    if (isset($tosave[$table])) {
                        $schemadata[$table] = array_replace($schemadata[$table], $tosave[$table]);
                    }
                }
                $helper->saveData($page, $schemadata);
            }
        } catch(Exception $e) {
            msg($e->getMessage(), -1);
            return false;
        }

        // set thank you message
        if(!$thanks) {
            $thanks = sprintf($this->getLang('bureaucracy_action_struct_update_thanks'), wl($ID));
        } else {
            $thanks = hsc($thanks);
        }

        return $thanks;
    }
}