<?php
declare(strict_types=1);

namespace PhpMyAdmin\Controllers\Database;

use PhpMyAdmin\Common;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Display\CreateTable;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Message;
use PhpMyAdmin\Response;
use PhpMyAdmin\Template;
use PhpMyAdmin\Tracker;
use PhpMyAdmin\Tracking;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use function count;
use function htmlspecialchars;
use function sprintf;

/**
 * Tracking configuration for database.
 */
class TrackingController extends AbstractController
{
    /** @var Tracking */
    private $tracking;

    /**
     * @param Response          $response A Response instance.
     * @param DatabaseInterface $dbi      A DatabaseInterface instance.
     * @param Template          $template A Template instance.
     * @param string            $db       Database name.
     * @param Tracking          $tracking A Tracking instance.
     */
    public function __construct($response, $dbi, Template $template, $db, Tracking $tracking)
    {
        parent::__construct($response, $dbi, $template, $db);
        $this->tracking = $tracking;
    }

    public function index(): void
    {
        global $db, $pmaThemeImage, $text_dir, $url_query, $url_params, $tables, $num_tables, $pos, $data, $cfg;
        global $total_num_tables, $sub_part, $is_show_stats, $db_is_system_schema, $tooltip_truename, $tooltip_aliasname;

        //Get some js files needed for Ajax requests
        $header = $this->response->getHeader();
        $scripts = $header->getScripts();
        $scripts->addFile('vendor/jquery/jquery.tablesorter.js');
        $scripts->addFile('database/tracking.js');

        /**
         * If we are not in an Ajax request, then do the common work and show the links etc.
         */
        Common::database();

        $url_params['goto'] = Url::getFromRoute('/table/tracking');
        $url_params['back'] = Url::getFromRoute('/database/tracking');
        $url_query .= Url::getCommon($url_params, '&');

        // Get the database structure
        $sub_part = '_structure';

        [
            $tables,
            $num_tables,
            $total_num_tables,
            $sub_part,
            $is_show_stats,
            $db_is_system_schema,
            $tooltip_truename,
            $tooltip_aliasname,
            $pos,
        ] = Util::getDbInfo($db, $sub_part ?? '');

        if (isset($_POST['delete_tracking'], $_POST['table'])) {
            Tracker::deleteTracking($db, $_POST['table']);
            Message::success(
                __('Tracking data deleted successfully.')
            )->display();
        } elseif (isset($_POST['submit_create_version'])) {
            $this->tracking->createTrackingForMultipleTables($_POST['selected']);
            Message::success(
                sprintf(
                    __(
                        'Version %1$s was created for selected tables,'
                        . ' tracking is active for them.'
                    ),
                    htmlspecialchars($_POST['version'])
                )
            )->display();
        } elseif (isset($_POST['submit_mult'])) {
            if (! empty($_POST['selected_tbl'])) {
                if ($_POST['submit_mult'] == 'delete_tracking') {
                    foreach ($_POST['selected_tbl'] as $table) {
                        Tracker::deleteTracking($db, $table);
                    }
                    Message::success(
                        __('Tracking data deleted successfully.')
                    )->display();
                } elseif ($_POST['submit_mult'] == 'track') {
                    echo $this->template->render('create_tracking_version', [
                        'route' => '/database/tracking',
                        'url_params' => $url_params,
                        'last_version' => 0,
                        'db' => $db,
                        'selected' => $_POST['selected_tbl'],
                        'type' => 'both',
                        'default_statements' => $cfg['Server']['tracking_default_statements'],
                    ]);
                    return;
                }
            } else {
                Message::notice(
                    __('No tables selected.')
                )->display();
            }
        }

        // Get tracked data about the database
        $data = Tracker::getTrackedData($db, '', '1');

        // No tables present and no log exist
        if ($num_tables == 0 && count($data['ddlog']) === 0) {
            echo '<p>' , __('No tables found in database.') , '</p>' , "\n";

            if (empty($db_is_system_schema)) {
                echo CreateTable::getHtml($db);
            }
            return;
        }

        echo $this->tracking->getHtmlForDbTrackingTables(
            $db,
            $url_params,
            $pmaThemeImage,
            $text_dir
        );

        // If available print out database log
        if (count($data['ddlog']) > 0) {
            $log = '';
            foreach ($data['ddlog'] as $entry) {
                $log .= '# ' . $entry['date'] . ' ' . $entry['username'] . "\n"
                    . $entry['statement'] . "\n";
            }
            echo Generator::getMessage(__('Database Log'), $log);
        }
    }
}