<?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 Modules\Webstatement\Models\Atmcard;
    use RuntimeException;

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

        private const DEFAULT_FEES = [
            'CLASSIC' => 3000,
            'CLAS'    => 3000,
            'SILVER'  => 5000,
            'SILV'    => 5000,
            'GOLD'    => 10000
        ];
        private const CSV_FILENAME = 'atmcards.csv';

        /**
         * Create a new job instance.
         */
        public function __construct()
        {
            //
        }

        /**
         * Execute the job.
         */
        public function handle()
        : void
        {
            try {
                $filename = $this->generateAtmCardCsv();
                Log::info('File CSV biaya kartu ATM berhasil dibuat: ' . $filename);
            } catch (Exception $e) {
                Log::error('Gagal membuat file CSV biaya kartu ATM: ' . $e->getMessage(), [
                    'file' => $e->getFile(),
                    'line' => $e->getLine()
                ]);
                throw $e;
            }
        }

        /**
         * Generate CSV file with ATM card data
         *
         * @return string Filename of generated CSV
         */
        private function generateAtmCardCsv()
        : string
        {
            $cards    = $this->getEligibleAtmCards();
            $filename = storage_path('app/' . self::CSV_FILENAME);

            $handle = fopen($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);

            return $filename;
        }

        /**
         * Get eligible ATM cards from database
         *
         * @return \Illuminate\Database\Eloquent\Collection
         */
        private function getEligibleAtmCards()
        {
            return Atmcard::where('crsts', 1)
                          ->whereNotNull('accflag')
                          ->where('accflag', '!=', '')
                          ->whereNotNull('branch')
                          ->where('branch', '!=', '')
                          ->whereNotNull('currency')
                          ->where('currency', '!=', '')
                          ->whereIn('ctdesc', array_keys(self::DEFAULT_FEES))
                          ->get();
        }

        /**
         * 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;
            }

            return self::DEFAULT_FEES[$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,
                '',
                '',
                '',
                '',
                '',
                '',
                'AC'
            ];
        }

        /**
         * 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");
            }
        }
    }