<?php

namespace Modules\Webstatement\Jobs;

use Exception;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\File;
use Barryvdh\DomPDF\Facade\Pdf;

class ConvertHtmlToPdfJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    protected $baseDirectory;

    /**
     * Create a new job instance.
     *
     * @param string $baseDirectory Base directory path to scan
     */
    public function __construct(string $baseDirectory)
    {
        $this->baseDirectory = $baseDirectory;
    }

    /**
     * Execute the job.
     */
    public function handle(): void
    {
        try {
            Log::info("Starting HTML to PDF conversion in directory: {$this->baseDirectory}");

            // Check if directory exists
            if (!File::isDirectory($this->baseDirectory)) {
                Log::error("Directory not found: {$this->baseDirectory}");
                return;
            }

            // Get all subdirectories (ID folders)
            $idDirectories = File::directories($this->baseDirectory);

            foreach ($idDirectories as $idDirectory) {
                $this->processDirectory($idDirectory);
            }

            Log::info("HTML to PDF conversion completed successfully.");
        } catch (Exception $e) {
            Log::error("Error converting HTML to PDF: " . $e->getMessage());
        }
    }

    /**
     * Process a single ID directory
     *
     * @param string $directory Directory path to process
     */
    protected function processDirectory(string $directory): void
    {
        try {
            $htmlFiles = File::glob($directory . '/*.html');

            foreach ($htmlFiles as $htmlFile) {
                $this->convertHtmlToPdf($htmlFile);
            }
        } catch (Exception $e) {
            Log::error("Error processing directory {$directory}: " . $e->getMessage());
        }
    }

    /**
     * Convert a single HTML file to PDF
     *
     * @param string $htmlFilePath Path to HTML file
     */
    protected function convertHtmlToPdf(string $htmlFilePath): void
    {
        try {
            $filename = pathinfo($htmlFilePath, PATHINFO_FILENAME);
            $directory = pathinfo($htmlFilePath, PATHINFO_DIRNAME);
            $pdfFilePath = $directory . '/' . $filename . '.pdf';

            // Read HTML content
            $htmlContent = File::get($htmlFilePath);

            // Convert HTML to PDF
            $pdf = PDF::loadHTML($htmlContent);

            // Save PDF file
            $pdf->save($pdfFilePath);

            Log::info("Converted {$htmlFilePath} to {$pdfFilePath}");
        } catch (Exception $e) {
            Log::error("Error converting {$htmlFilePath} to PDF: " . $e->getMessage());
        }
    }
}