<?php

namespace App\Services\RegisterCreator\DocumentProcessors;

use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;

class DocumentProcedureProcessor extends AbstractDocumentProcessor
{
    public function process(array $weldLogData, array $document, Worksheet $sheet, int &$currentRow, array $settings): int
    {
        $this->initialize($weldLogData, $document, $sheet, $currentRow, $settings);
        
        $procedures = [];
        if (!empty($document['title2'])) {
            $procedures = array_map('trim', explode(",", $document['title2']));
        }
        
        // Prepare procedures with dates for sorting
        $proceduresWithDates = [];
        foreach ($procedures as $procedureNo) {
            $procedure = db("document_procedures")->where("document_no", $procedureNo)->first();
            if (!$procedure) continue;
            
            $proceduresWithDates[] = [
                'procedure' => $procedure,
                'date' => $procedure->publish_date ?? ''
            ];
        }
        
        // Sort by publish_date (oldest first) - reverse insertion order
        usort($proceduresWithDates, function($a, $b) {
            $timestampA = !empty($a['date']) ? strtotime($a['date']) : 0;
            $timestampB = !empty($b['date']) ? strtotime($b['date']) : 0;
            return $timestampA <=> $timestampB;
        });
        
        foreach ($proceduresWithDates as $procData) {
            $procedure = $procData['procedure'];
            $normalized = $this->normalizeSearchTerm($procedure->document_no);
            $search = $this->searchFiles("storage/documents/{$document['path']}/*{$normalized}*.pdf");
            $document['title2'] = $procedure->document_no;
            $this->document = $document;
            $documentDate = $procData['date'];
            
            $newRow = $this->addRowToExcel($search, $procedure->document_no, $documentDate);
            if ($newRow > $currentRow) { $currentRow = $newRow; }
        }
        return $currentRow;
    }
}