<?php

namespace Modules\Webstatement\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\File;
use Carbon\Carbon;
use Modules\Webstatement\Jobs\GenerateBiayaKartuCsvJob;
use Modules\Webstatement\Models\KartuSyncLog;

class SyncLogsController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        return view('webstatement::sync-logs.index');
    }

    /**
     * Provide data for datatables - sync logs
     */
    public function dataForDatatables(Request $request)
    {
        // Retrieve data from the database
        $query = KartuSyncLog::query();

        // Apply search filter if provided
        if ($request->has('search') && !empty($request->get('search'))) {
            $search = json_decode($request->get('search'));
            if (isset($search->search)) {
                $query->where(function ($q) use ($search) {
                    $q->where('periode', 'LIKE', "%$search->search%")
                      ->orWhere('sync_notes', 'LIKE', "%$search->search%")
                      ->orWhere('csv_notes', 'LIKE', "%$search->search%")
                      ->orWhere('ftp_notes', 'LIKE', "%$search->search%")
                      ->orWhere('file_name', 'LIKE', "%$search->search%");
                });
            }

            // Apply filter for sync status if provided
            if (isset($search->is_sync) && $search->is_sync !== '') {
                $query->where('is_sync', $search->is_sync == '1');
            }

            // Apply filter for CSV status if provided
            if (isset($search->is_csv) && $search->is_csv !== '') {
                $query->where('is_csv', $search->is_csv == '1');
            }

            // Apply filter for FTP status if provided
            if (isset($search->is_ftp) && $search->is_ftp !== '') {
                $query->where('is_ftp', $search->is_ftp == '1');
            }
        }

        // Apply sorting if provided
        if ($request->has('sortOrder') && !empty($request->get('sortOrder'))) {
            $order  = $request->get('sortOrder');
            $column = $request->get('sortField');
            $query->orderBy($column, $order);
        } else {
            // Default sort by created_at descending
            $query->orderBy('created_at', 'desc');
        }

        // Get the total count of records
        $totalRecords = $query->count();

        // Apply pagination if provided
        if ($request->has('page') && $request->has('size')) {
            $page   = $request->get('page');
            $size   = $request->get('size');
            $offset = ($page - 1) * $size;

            $query->skip($offset)->take($size);
        }

        // Get the filtered count of records
        $filteredRecords = $query->count();

        // Get the data for the current page
        $data = $query->get();

        // Calculate the page count
        $pageCount = ceil($filteredRecords / ($request->get('size') ?: 1));

        // Calculate the current page number
        $currentPage = $request->get('page') ?: 1;

        // Return the response data as a JSON object
        return response()->json([
            'draw'            => $request->get('draw'),
            'recordsTotal'    => $totalRecords,
            'recordsFiltered' => $filteredRecords,
            'pageCount'       => $pageCount,
            'page'            => $currentPage,
            'totalCount'      => $totalRecords,
            'data'            => $data,
        ]);
    }

    /**
     * Format file size to human readable format
     */
    private function formatSize($bytes)
    {
        $units = ['B', 'KB', 'MB', 'GB', 'TB'];

        $bytes = max($bytes, 0);
        $pow   = floor(($bytes ? log($bytes) : 0) / log(1024));
        $pow   = min($pow, count($units) - 1);

        $bytes /= pow(1024, $pow);

        return round($bytes, 2) . ' ' . $units[$pow];
    }

    public function show($id){
        $syncLog = KartuSyncLog::find($id);
        $csvSize = $this->formatSize(File::size($syncLog->csv_path));
        $ftpSize = $this->formatSize(File::size($syncLog->ftp_path));

        return response()->json($syncLog, 200, ['Content-Type' => 'application/json'], JSON_PRETTY_PRINT);
    }


    /**
     * Download file
     */
    public function downloadFile($id)
    {
        $log = KartuSyncLog::findOrFail($id);

        // Periksa apakah file sudah dibuat
        if (!$log->is_csv || !$log->file_name) {
            return redirect()->back()->with('error', 'File CSV belum dibuat');
        }

        // Periksa apakah file ada di lokasi yang ditunjukkan
        if ($log->file_path && File::exists($log->file_path)) {
            return response()->download($log->file_path, $log->file_name);
        }

        // Jika tidak ada di path spesifik, coba cari di direktori umum
        $path = storage_path('app/biaya_kartu/' . $log->file_name);
        if (File::exists($path)) {
            return response()->download($path, $log->file_name);
        }

        // Jika masih tidak ditemukan, beri pesan error
        return redirect()->back()->with('error', 'File tidak ditemukan di server');
    }
}