<?php

    namespace Modules\Webstatement\Jobs;

    use Carbon\Carbon;
    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\Storage;
    use Modules\Webstatement\Models\Atmcard;
    use Modules\Webstatement\Models\JenisKartu;
    use Modules\Webstatement\Models\KartuSyncLog;
    use RuntimeException;

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

        // Changed from const to property
        private const MAX_EXECUTION_TIME = 3600; // 1 jam dalam detik
        /**
         * Periode yang akan diproses (YYYY-MM)
         */
        protected $periode;
        /**
         * ID log sinkronisasi
         */
        protected $syncLogId;
        /**
         * Model log sinkronisasi
         */
        protected $syncLog;
        private $csvFilename;

        /**
         * Create a new job instance.
         */
        public function __construct()
        {
            $this->csvFilename = env('BIAYA_KARTU_CSV_FILENAME', 'biaya_kartu_atm.csv');
            $this->periode     = $periode ?? Carbon::now()->format('Y-m');
            $this->syncLogId   = KartuSyncLog::where('periode', $this->periode)->first();
        }

        /**
         * Execute the job.
         */
        public function handle()
        : void
        {
            set_time_limit(self::MAX_EXECUTION_TIME);

            // Load log sinkronisasi
            $this->syncLog = KartuSyncLog::findOrFail($this->syncLogId->id);


            try {
                // Update status CSV generation dimulai
                $this->updateCsvLogStart();

                // Generate CSV file
                $result = $this->generateAtmCardCsv();

                // Update status CSV generation berhasil
                $this->updateCsvLogSuccess($result);

                Log::info('Pembuatan dan upload file CSV biaya kartu ATM selesai', [
                    'file'         => $result['localFilePath'],
                    'jumlah_kartu' => $result['recordCount'],
                    'upload_sftp'  => $result['uploadToSftp'] ? 'Berhasil' : 'Gagal',
                    'waktu'        => $result['timestamp']
                ]);

                if (!$result['uploadToSftp']) {
                    Log::warning('File CSV biaya kartu ATM tidak berhasil diunggah ke SFTP, tetapi tersedia secara lokal di: ' . $result['localFilePath']);
                }
            } catch (Exception $e) {
                $this->updateCsvLogFailed($e->getMessage());

                Log::error('Gagal membuat atau mengunggah file CSV biaya kartu ATM: ' . $e->getMessage(), [
                    'file'    => $e->getFile(),
                    'line'    => $e->getLine(),
                    'periode' => $this->periode
                ]);
                throw $e;
            }
        }

        /**
         * Update log saat pembuatan CSV dimulai
         */
        private function updateCsvLogStart()
        : void
        {
            $this->syncLog->update([
                'csv_notes' => 'Pembuatan file CSV untuk periode ' . $this->periode . ' dimulai',
                'is_csv'    => false,
                'csv_at'    => null,
            ]);

            Log::info('Memulai pembuatan file CSV untuk periode ' . $this->periode);
        }

        /**
         * Generate CSV file with ATM card data and upload to SFTP
         *
         * @return array Information about the generated file and upload status
         */
        private function generateAtmCardCsv()
        : array
        {
            $cards = $this->getEligibleAtmCards();
            //$filename = storage_path('app/' . $this->csvFilename);

            // Add date-time to filename
            $dateTime         = now()->format('Ymd_Hi');
            $filenameWithDate = pathinfo($this->csvFilename, PATHINFO_FILENAME) .
                '_' . $dateTime . '.' .
                pathinfo($this->csvFilename, PATHINFO_EXTENSION);

            $filename = storage_path('app/' . $filenameWithDate);

            $handle = fopen($filename, 'w+');
            if (!$handle) {
                throw new RuntimeException("Tidak dapat membuat file CSV: $filename");
            }

            try {
                foreach ($cards as $card) {
                    $fee    = $this->determineCardFee($card);
                    $csvRow = $this->createCsvRow($card, $fee);
                    fputcsv($handle, $csvRow, '|');
                }
            } finally {
                fclose($handle);
            }

            $this->cleanupCsvFile($filename);

            // Upload file ke SFTP
            $uploadSuccess = $this->uploadToSftpKartu($filename);

            return [
                'localFilePath' => $filename,
                'recordCount'   => count($cards),
                'uploadToSftp'  => $uploadSuccess,
                'timestamp'     => now()->format('Y-m-d H:i:s')
            ];
        }

        /**
         * Get eligible ATM cards from database
         *
         * @return \Illuminate\Database\Eloquent\Collection
         */
        private function getEligibleAtmCards()
        {
            $cardTypes = array_keys($this->getDefaultFees());

            return Atmcard::where('crsts', 1)
                          ->whereNotNull('accflag')
                          ->where('accflag', '!=', '')
                          ->whereNotNull('branch')
                          ->where('branch', '!=', '')
                          ->whereNotNull('currency')
                          ->where('currency', '!=', '')
                          ->whereIn('ctdesc', $cardTypes)
                          ->get();
        }

        /**
         * Get default fees from JenisKartu table
         *
         * @return array
         */
        private function getDefaultFees()
        : array
        {
            return JenisKartu::getDefaultFees();
        }

        /**
         * Determine fee for a card based on its type
         *
         * @param Atmcard $card
         *
         * @return int
         */
        private function determineCardFee(Atmcard $card)
        : int
        {
            if ($card->fee) {
                return $card->fee;
            }

            $defaultFees = $this->getDefaultFees();
            return $defaultFees[$card->ctdesc] ?? 0;
        }

        /**
         * Create CSV row data for a card
         *
         * @param Atmcard $card
         * @param int     $fee
         *
         * @return array
         */
        private function createCsvRow(Atmcard $card, int $fee)
        : array
        {
            $today = date('Ymd');

            return [
                '',
                $card->accflag,
                $card->currency ?? 'IDR',
                $fee,
                'PL65129',
                '',
                '',
                $card->branch,
                $today,
                $today,
                '',
                '',
                'ADMIN FEE ATM::' . $card->crdno . '::' . $today,
                '',
                '',
                '',
                '',
                '',
                '',
                'ACAT'
            ];
        }

        /**
         * Remove double quotes from CSV file
         *
         * @param string $filename
         *
         * @return void
         */
        private function cleanupCsvFile(string $filename)
        : void
        {
            $fileContent = file_get_contents($filename);
            if ($fileContent === false) {
                throw new RuntimeException("Tidak dapat membaca file CSV: $filename");
            }

            $fileContent = str_replace('"', '', $fileContent);

            if (file_put_contents($filename, $fileContent) === false) {
                throw new RuntimeException("Tidak dapat menulis ke file CSV: $filename");
            }
        }

        /**
         * Upload the generated CSV file to SFTP server
         *
         * @param string $localFilePath Path to the local CSV file
         *
         * @return bool True if upload successful, false otherwise
         */
        private function uploadToSftpKartu(string $localFilePath)
        : bool
        {
            try {
                // Update status SFTP upload dimulai
                $this->updateSftpLogStart();

                // Ambil nama file dari path
                $filename = basename($localFilePath);

                // Ambil konten file
                $fileContent = file_get_contents($localFilePath);
                if ($fileContent === false) {
                    Log::error("Tidak dapat membaca file untuk upload: {$localFilePath}");
                    return false;
                }

                // Dapatkan disk SFTP
                $disk = Storage::disk('sftpKartu');

                // Tentukan path tujuan di server SFTP
                $remotePath     = env('BIAYA_KARTU_REMOTE_PATH', '/');
                $remoteFilePath = rtrim($remotePath, '/') . '/' . $filename;

                // Upload file ke server SFTP
                $result = $disk->put($remoteFilePath, $fileContent);

                if ($result) {
                    $this->updateSftpLogSuccess();
                    Log::info("File CSV biaya kartu ATM berhasil diunggah ke SFTP: {$remoteFilePath}");
                    return true;
                } else {
                    $this->updateSftpLogFailed("Gagal mengunggah file CSV biaya kartu ATM ke SFTP: {$remoteFilePath}");

                    Log::error("Gagal mengunggah file CSV biaya kartu ATM ke SFTP: {$remoteFilePath}");
                    return false;
                }
            } catch (Exception $e) {
                $this->updateSftpLogFailed($e->getMessage());

                Log::error("Error saat mengunggah file ke SFTP: " . $e->getMessage(), [
                    'file'    => $e->getFile(),
                    'line'    => $e->getLine(),
                    'periode' => $this->periode
                ]);
                return false;
            }
        }

        /**
         * Update log saat upload SFTP dimulai
         */
        private function updateSftpLogStart()
        : void
        {
            $this->syncLog->update([
                'ftp_notes' => 'Upload ke SFTP untuk file periode ' . $this->periode . ' dimulai',
                'is_ftp'    => false,
                'ftp_at'    => null,
            ]);

            Log::info('Memulai upload ke SFTP untuk periode ' . $this->periode);
        }

        /**
         * Update log saat upload SFTP berhasil
         */
        private function updateSftpLogSuccess()
        : void
        {
            $this->syncLog->update([
                'is_ftp'          => true,
                'ftp_at'          => Carbon::now(),
                'ftp_notes'       => 'File berhasil diupload ke SFTP',
                'ftp_destination' => env('SFTP_KARTU_HOST', '/'),
            ]);

            Log::info('File berhasil diupload ke SFTP untuk periode ' . $this->periode);
        }

        /**
         * Update log saat upload SFTP gagal
         */
        private function updateSftpLogFailed($errorMessage)
        : void
        {
            $this->syncLog->update([
                'is_ftp'    => false,
                'ftp_notes' => 'Upload ke SFTP gagal: ' . $errorMessage
            ]);

            Log::error('Upload ke SFTP gagal: ' . $errorMessage);
        }

        /**
         * Update log saat pembuatan CSV berhasil
         */
        private function updateCsvLogSuccess($result)
        : void
        {
            // Get file info
            $fileInfo = pathinfo($result['localFilePath']);
            $fileName = $fileInfo['basename'];

            $this->syncLog->update([
                'is_csv'    => true,
                'csv_at'    => Carbon::now(),
                'csv_notes' => 'File CSV berhasil dibuat: ' . $fileName,
                'file_path' => $result['localFilePath'],
                'file_name' => $fileName,
            ]);

            Log::info('File CSV berhasil dibuat: ' . $result['localFilePath']);
        }

        /**
         * Update log saat pembuatan CSV gagal
         */
        private function updateCsvLogFailed($errorMessage)
        : void
        {
            $this->syncLog->update([
                'is_csv'    => false,
                'csv_notes' => 'Pembuatan file CSV gagal: ' . $errorMessage
            ]);

            Log::error('Pembuatan file CSV gagal: ' . $errorMessage);
        }
    }