<?php 
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\IOFactory;

function workPermitReplacerExcel(Spreadsheet $spreadsheet, $weldLog, $documentInfo) {
    // Fetch the work permit users from the database
    $workPermitUsers = db("work_permit_documents")
        ->join("subcontractors", "work_permit_documents.company", "subcontractors.company_name_ru")
        ->where("zone", "like", "%{$weldLog?->project}%")
        ->where("assigned_documents", "like", "%{$documentInfo->slug}%")
        ->get();

    // Iterate over each sheet in the spreadsheet
    foreach ($spreadsheet->getAllSheets() as $sheet) {
        // Loop through all the cells in the sheet and replace placeholders
        foreach ($sheet->getRowIterator() as $row) {
            foreach ($row->getCellIterator() as $cell) {
                $cellValue = $cell->getValue();
                if (is_string($cellValue)) {
                    // Perform the replacement for each work permit user
                    foreach ($workPermitUsers as $wpi) {
                        $replacements = [
                            "{".$wpi->company_code.$wpi->sign_order."_name_surname}" => $wpi->name_surname,
                            "{".$wpi->company_code.$wpi->sign_order."_company_name}" => $wpi->company,
                            "{".$wpi->company_code.$wpi->sign_order."_certificate_no}" => $wpi->certificates_number,
                            "{".$wpi->company_code.$wpi->sign_order."_certificate_number}" => $wpi->certificates_number,
                            "{".$wpi->company_code.$wpi->sign_order."_address_ru}" => $wpi->address_ru,
                            "{".$wpi->company_code.$wpi->sign_order."_project_city_ru}" => $wpi->project_city_ru,
                            "{".$wpi->company_code.$wpi->sign_order."_duty}" => $wpi->duty,
                            "{".$wpi->company_code.$wpi->sign_order."_tax}" => $wpi->tax,
                            "{".$wpi->company_code.$wpi->sign_order."_tax2}" => $wpi->tax2,
                            "{".$wpi->company_code.$wpi->sign_order."_address_ru2}" => $wpi->address_ru2,
                            "{".$wpi->company_code.$wpi->sign_order."_document_number}" => $wpi->document_number,
                            "{".$wpi->company_code.$wpi->sign_order."_attorney}" => $wpi->attorney,
                            "{".$wpi->company_code.$wpi->sign_order."_attorney_date}" => df($wpi->attorney_date),
                        ];

                        // Replace each placeholder in the cell value
                        foreach ($replacements as $placeholder => $replacement) {
                            if (strpos($cellValue, $placeholder) !== false) {
                                $cellValue = str_replace($placeholder, $replacement, $cellValue);
                            }
                        }

                        // Update the cell with the new value
                        $cell->setValue($cellValue);
                    }
                }
            }
        }
    }

    // Return the modified spreadsheet
    return $spreadsheet;
}
?>