<?php

namespace App\Services\RegisterCreator\DocumentProcessors;

use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;

class MaterialsProcessor extends AbstractDocumentProcessor
{
    /**
     * Process materials documents
     */
    public function process(
        array $weldLogData,
        array $document,
        Worksheet $sheet,
        int &$currentRow,
        array $settings
    ): int {
        $this->initialize($weldLogData, $document, $sheet, $currentRow, $settings);
        
        $this->log("Processing Materials");
        
        // Get all certificates from same line
        $allRecords = db("weld_logs")
            ->where($this->registerColumnBased, $weldLogData['line_number'])
            ->get();
        
        $uniqueCertificates = [];
        
        foreach ($allRecords as $record) {
            if (!empty($record->certificate_number_of_1) && !in_array($record->certificate_number_of_1, $uniqueCertificates)) {
                $uniqueCertificates[] = $record->certificate_number_of_1;
            }
            if (!empty($record->certificate_number_of_2) && !in_array($record->certificate_number_of_2, $uniqueCertificates)) {
                $uniqueCertificates[] = $record->certificate_number_of_2;
            }
        }
        
        $this->log("Found " . count($uniqueCertificates) . " unique certificates");
        
        $placeholderReplacer = new \App\Services\RegisterCreator\PlaceholderReplacer();
        
        // Prepare certificates with dates for sorting
        $certificatesWithDates = [];
        foreach ($uniqueCertificates as $certificateNumber) {
            $incomingControl = db("incoming_controls")
                ->where("certificate_no", $certificateNumber)
                ->first();
            
            $documentDate = $incomingControl->certificate_date ?? $incomingControl->created_at ?? $placeholderReplacer->getLatestDate($weldLogData, $this->registerColumnBased);
            
            $certificatesWithDates[] = [
                'certificate_no' => $certificateNumber,
                'incoming_control' => $incomingControl,
                'date' => $documentDate
            ];
        }
        
        // Sort by date (oldest first) - reverse insertion order
        usort($certificatesWithDates, function($a, $b) {
            $timestampA = !empty($a['date']) ? strtotime($a['date']) : 0;
            $timestampB = !empty($b['date']) ? strtotime($b['date']) : 0;
            return $timestampA <=> $timestampB;
        });
        
        $this->log("Certificates sorted by date (oldest first for reverse insertion)");
        
        foreach ($certificatesWithDates as $certData) {
            $certificateNumber = $certData['certificate_no'];
            $incomingControl = $certData['incoming_control'];
            $documentDate = $certData['date'];
            try {
                if ($incomingControl) {
                    $document['title2'] = $incomingControl->description_ru;
                    $document['incoming_control_description'] = $incomingControl->description_ru;
                    $document['file_name'] = $certificateNumber;
                } else {
                    $document['title2'] = "-";
                    $document['incoming_control_description'] = "-";
                    $document['file_name'] = $certificateNumber;
                }
                
                $normalized = $this->normalizeSearchTerm($certificateNumber);
                $search = $this->searchFiles("{$document['path']}/*{$normalized}*.pdf");
                
                // Update document reference for current iteration
                $this->document = $document;
                
                $newRow = $this->addRowToExcel(
                    $search,
                    $certificateNumber,
                    $documentDate
                );
                
                if ($newRow > $currentRow) {
                    $currentRow = $newRow;
                }
            } catch (\Throwable $th) {
                $this->log("Error processing certificate: {$certificateNumber} - {$th->getMessage()}", 'error');
                continue;
            }
        }
        
        return $currentRow;
    }
}