<?php

namespace App\Controllers;

use App\Controllers\BaseController;
use CodeIgniter\HTTP\ResponseInterface;

class TestingController extends BaseController
{
    public function logo_renaming(){
        
            $directory = ROOTPATH . 'public/uploads/logo/'; 

            if (!is_dir($directory)) {
                die("Directory not found: $directory");
            }

            $files = scandir($directory);

            $client_logo_files = $this->get_client_logo_files();

            $rename_files = "";
            $failed_rename_files = "";

            foreach ($files as $file) {
                // Skip system entries
                if ($file === '.' || $file === '..' ) {
                    continue;
                }

                $oldPath = $directory . $file;

                if (is_file($oldPath) && in_array(trim($file) , $client_logo_files)) {

                    // Remove all spaces from filename
                    $newFileName = preg_replace('/\s+|\x{00A0}|\x{200B}|\x{200C}|\x{200D}|\x{FEFF}/u', '', $file);

                    $newPath = $directory . $newFileName;

                    // Only rename if the name changed
                    if ($oldPath !== $newPath) {
                        if (rename($oldPath, $newPath)) {
                            $rename_files .= "\n Renamed: $file → $newFileName \n";
                        } else {
                            $failed_rename_files .= "\n Failed file: $file \n";
                        }
                    }
                }
            }

            $dbUpdated = $this->update_client_logo_files();

           log_message('error', 'Renamed Files: ' . $rename_files);
           log_message('error', 'Failed Renames: ' . $failed_rename_files); 
           log_message('error', 'Database Update Status: ' . ($dbUpdated ? 'Success' : 'No Changes Made or Failed'));

           return $this->response->setJSON(['status' => 'success', 
            'message' => 'Logo renaming completed. kindly check backend logs for details',
            'data' => [
                'renamed_files' => $rename_files,
                'failed_renames' => $failed_rename_files
            ]
           ])->setStatusCode(200);
    }

    public function get_client_logo_files(){

        $db = \Config\Database::connect();

        $sql = "SELECT client_logo FROM clients WHERE client_logo IS NOT NULL AND TRIM(client_logo) <> '' ";

        $query = $db->query($sql);

        $results = $query->getResultArray() ?? [];

        $files = array_map(function($item) {
            return trim($item['client_logo']);
        }, $results);

        return $files;
    }

    public function update_client_logo_files(){

        $db = \Config\Database::connect();

        $sql = "UPDATE clients
                SET client_logo = REPLACE(REPLACE(REPLACE(client_logo, CHAR(160), ''), ' ', ''), '\t', '')
                WHERE client_logo IS NOT NULL 
                AND TRIM(client_logo) <> '' 
                ";

        $query = $db->query($sql);

        return $db->affectedRows() > 0;


    }

}