<?php

namespace App\Services\RegisterCreator\DocumentProcessors;

use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;

class PrikazProcessor extends AbstractDocumentProcessor
{
    public function process(array $weldLogData, array $document, Worksheet $sheet, int &$currentRow, array $settings): int
    {
        $this->initialize($weldLogData, $document, $sheet, $currentRow, $settings);
        
        $project = $weldLogData['project'] ?? '';
        if (empty($project)) return $currentRow;
        
        $workPermitDocs = db("work_permit_documents")->where("zone", "like", "%" . $project . "%")->get()->toArray();
        $placeholderReplacer = new \App\Services\RegisterCreator\PlaceholderReplacer();
        
        // Sort by issue_date (oldest first) - reverse insertion order
        usort($workPermitDocs, function($a, $b) use ($placeholderReplacer, $weldLogData) {
            $a = (object) $a;
            $b = (object) $b;
            $dateA = $a->issue_date ?? $a->created_at ?? $placeholderReplacer->getLatestDate($weldLogData, $this->registerColumnBased);
            $dateB = $b->issue_date ?? $b->created_at ?? $placeholderReplacer->getLatestDate($weldLogData, $this->registerColumnBased);
            $timestampA = !empty($dateA) ? strtotime($dateA) : 0;
            $timestampB = !empty($dateB) ? strtotime($dateB) : 0;
            return $timestampA <=> $timestampB;
        });
        
        foreach ($workPermitDocs as $doc) {
            $doc = (object) $doc;
            $normalized = $this->normalizeSearchTerm($doc->document_number);
            $search = $this->searchFiles("storage/documents/{$document['path']}/*{$normalized}*.pdf");
            $document['title2'] = $doc->document_number;
            $document['title3'] = $doc->title ?? $doc->document_number;
            $this->document = $document;
            $documentDate = $doc->issue_date ?? $doc->created_at ?? $placeholderReplacer->getLatestDate($weldLogData, $this->registerColumnBased);
            
            $newRow = $this->addRowToExcel($search, $doc->document_number, $documentDate);
            if ($newRow > $currentRow) { $currentRow = $newRow; }
        }
        return $currentRow;
    }
}