<?php

namespace brain\utility;

use brain\data\Settings;
use Carbon\Carbon;

class Maintenance
{
    public function __construct()
    {
    }

    public static function makeBackup()
    {
        //make sure back directory is there
        if (!is_dir('../config/backups')) {
            mkdir('../config/backups', 0755, true);
        }
        //creat backup zip
        $zip = new \ZipArchive();
        $zip->open(
            '../config/backups/latest_back.zip',
            \ZipArchive::CREATE | \ZipArchive::OVERWRITE
        );
        //gather data and path info for md pages
        $pagePath  = '../content/pages';
        $yearPaths = glob($pagePath . '/*', GLOB_ONLYDIR);
        foreach ($yearPaths as $years) {
            $year = explode('/', $years);
            //grap the index and save it
            if (trim($year[3]) == 'start') {
                $options = [
                    'add_path'        => 'content/pages/' . $year[3] . '/',
                    'remove_all_path' => true,
                ];
                $zip->addGlob($years . '/*.md', GLOB_BRACE, $options);
            }
            $monthsPath = glob($pagePath . '/' . $year[3] . '/*', GLOB_ONLYDIR);
            foreach ($monthsPath as $months) {
                $month = explode('/', $months);
                //once info is collected, add md pages to zip
                $options = [
                    'add_path'        => 'content/pages/' . $year[3] . '/' . $month[4] . '/',
                    'remove_all_path' => true,
                ];
                $zip->addGlob($months . '/*.md', GLOB_BRACE, $options);
            }
        }

        //gather data and path info for blog images
        $blogImagesPath = '../public/assets/images/blog';
        $yearPaths      = glob($blogImagesPath . '/*', GLOB_ONLYDIR);
        foreach ($yearPaths as $years) {
            $year       = explode('/', $years);
            $monthsPath = glob($blogImagesPath . '/' . $year[5] . '/*', GLOB_ONLYDIR);
            foreach ($monthsPath as $months) {
                $month = explode('/', $months);
                //once info is collected, add images pages to zip
                $options = [
                    'add_path'        => 'public/assets/images/blog/' . $year[5] . '/' . $month[6] . '/',
                    'remove_all_path' => true,
                ];
                $zip->addGlob($months . '/*.*', GLOB_BRACE, $options);
            }
        }

        //gather data and path info for user images
        $userImagesPath = '../public/assets/images/user';
        $yearPaths      = glob($userImagesPath . '/*', GLOB_ONLYDIR);
        foreach ($yearPaths as $years) {
            $year       = explode('/', $years);
            $monthsPath = glob($userImagesPath . '/' . $year[5] . '/*', GLOB_ONLYDIR);
            foreach ($monthsPath as $months) {
                $month = explode('/', $months);
                //once info is collected, add images pages to zip
                $options = [
                    'add_path'        => 'public/assets/images/user/' . $year[5] . '/' . $month[6] . '/',
                    'remove_all_path' => true,
                ];
                $zip->addGlob($months . '/*.*', GLOB_BRACE, $options);
            }
        }

        //add directory for settings and save them
        $zip->addEmptyDir('settings');
        $zip->addFile('../config/settings.json', 'settings/settings.json');
        $zip->addFile('../config/folks.json', 'settings/folks.json');
        $zip->addFile('../config/tags.json', 'settings/tags.json');
        //save zip file
        $zip->close();

        //update settings file with latest back up date
        $updated = Carbon::now();
        Settings::updateGlobalData(
            'last_backup',
            $updated->format("Y-m-d\TH:i:sP")
        );

        $result = ['message' => 'Backup created. THIS IS A SAFE SPACE!'];
        return $result;
    }
}