<?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\Storage;
    use Modules\Webstatement\Models\Teller;

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

        // Konstanta untuk nilai-nilai statis
        private const FILE_EXTENSION = '.ST.TELLER.csv';
        private const CSV_DELIMITER  = '~';
        private const DISK_NAME      = 'sftpStatement';
        private const HEADER_MAP     = [
            'id'                => 'id_teller',
            'account_1'         => 'account_1',
            'currency_1'        => 'currency_1',
            'amount_local_1'    => 'amount_local_1',
            'value_date_1'      => 'value_date_1',
            'account_2'         => 'account_2',
            'new_cust_bal'      => 'new_cust_bal',
            'term_type'         => 'term_type',
            'term_id'           => 'term_id',
            'trans_reff'        => 'trans_reff',
            'card_no'           => 'card_no',
            'recipt_no'         => 'recipt_no',
            'transaction_code'  => 'transaction_code',
            'date_time'         => 'date_time',
            'record_status'     => 'record_status',
            'amount_local_2'    => 'amount_local_2',
            'co_code'           => 'co_code',
            'narrative_1'       => 'narrative_1',
            'wic_flag'          => 'wic_flag',
            'wic_cust_type'     => 'wic_cust_type',
            'wic_full_name'     => 'wic_full_name',
            'wic_alias_name'    => 'wic_alias_name',
            'wic_acct_no'       => 'wic_acct_no',
            'wic_id_type'       => 'wic_id_type',
            'wic_id_no'         => 'wic_id_no',
            'wic_npwp'          => 'wic_npwp',
            'wic_nationality'   => 'wic_nationality',
            'wic_ind_birthpl'   => 'wic_ind_birthpl',
            'wic_ind_birthdt'   => 'wic_ind_birthdt',
            'wic_address_id'    => 'wic_address_id',
            'wic_address_cur'   => 'wic_address_cur',
            'wic_city'          => 'wic_city',
            'wic_province'      => 'wic_province',
            'wic_post_code'     => 'wic_post_code',
            'wic_phone'         => 'wic_phone',
            'wic_gender'        => 'wic_gender',
            'wic_marital_sts'   => 'wic_marital_sts',
            'wic_occptn'        => 'wic_occptn',
            'wic_occptn_dur'    => 'wic_occptn_dur',
            'wic_income_avg'    => 'wic_income_avg',
            'wic_cor_name'      => 'wic_cor_name',
            'wic_cor_address'   => 'wic_cor_address',
            'wic_cor_phone'     => 'wic_cor_phone',
            'wic_cor_lgl_typ'   => 'wic_cor_lgl_typ',
            'wic_cor_lic_no'    => 'wic_cor_lic_no',
            'wic_cor_birthpl'   => 'wic_cor_birthpl',
            'wic_cor_birthdt'   => 'wic_cor_birthdt',
            'wic_cor_rel'       => 'wic_cor_rel',
            'wic_party_rel'     => 'wic_party_rel',
            'wic_amount'        => 'wic_amount',
            'wic_amount_type'   => 'wic_amount_type',
            'wic_amtbnk_name'   => 'wic_amtbnk_name',
            'wic_amtbnk_cunm'   => 'wic_amtbnk_cunm',
            'wic_fund_source'   => 'wic_fund_source',
            'wic_fund_use'      => 'wic_fund_use',
            'dr_cr_marker'      => 'dr_cr_marker',
            'charge_code'       => 'charge_code',
            'chrg_amt_local'    => 'chrg_amt_local',
            'charge_category'   => 'charge_category',
            'charge_account'    => 'charge_account',
            'amount_fcy_1'      => 'amount_fcy_1',
            'rate_1'            => 'rate_1',
            'deal_rate'         => 'deal_rate',
            'l_wic_id'          => 'l_wic_id',
            'account_1_co_code' => 'account_1_co_code',
            'account_2_co_code' => 'account_2_co_code',
            'l_charge_amt'      => 'l_charge_amt',
            'bl_cust_no'        => 'bl_cust_no',
            'stmt_no'           => 'stmt_no',
            'bil_customer'      => 'bil_customer',
            'value_date_2'      => 'value_date_2',
            'cheq_type'         => 'cheq_type',
            'cheque_number'     => 'cheque_number',
            'inputter'          => 'inputter',
            'authoriser'        => 'authoriser',
            'bil_product'       => 'bil_product',
            'fx_document'       => 'fx_document',
            'fx_purpose'        => 'fx_purpose',
            'narrative_2'       => 'narrative_2',
            'customer_2'        => 'customer_2',
            'l_sms_1'           => 'l_sms_1',
            'l_phone_1'         => 'l_phone_1',
            'kyc_incom_rng'     => 'kyc_incom_rng',
            'wic_rt'            => 'wic_rt',
            'wic_rw'            => 'wic_rw',
            'ktp_kelurahan'     => 'ktp_kelurahan',
            'ktp_kecamatan'     => 'ktp_kecamatan',
            'ktp_provinsi'      => 'ktp_provinsi',
            'wic_jenis_kelam'   => 'wic_jenis_kelam',
            'kyc_sumber_dana'   => 'kyc_sumber_dana',
            'l_manual_risk'     => 'l_manual_risk',
            'l_slip_no'         => 'l_slip_no',
            'dest_bank_id'      => 'dest_bank_id',
            'dr_narrative'      => 'dr_narrative',
            'inter_type'        => 'inter_type',
            'l_va_number'       => 'l_va_number',
            'inter_bank_id'     => 'inter_bank_id',
            'term_narr'         => 'term_narr',
            'currency_2'        => 'currency_2',
            'amount_fcy_2'      => 'amount_fcy_2',
            'rate_2'            => 'rate_2',
            'customer_1'        => 'customer_1',
            'last_version'      => 'last_version'
        ];

        // Pemetaan bidang header ke kolom model
        protected string $period;

        /**
         * Create a new job instance.
         */
        public function __construct(string $period = '')
        {
            $this->period = $period;
        }

        /**
         * Execute the job.
         */
        public function handle()
        : void
        {
            try {
                set_time_limit(24 * 60 * 60);

                if ($this->period === '') {
                    Log::warning('No period provided for teller data processing');
                    return;
                }

                $stats = $this->processPeriodFile();

                Log::info("ProcessTellerDataJob completed. Total processed: {$stats['processed']}, Total errors: {$stats['errors']}");
            } catch (Exception $e) {
                Log::error("Error in ProcessTellerDataJob: " . $e->getMessage());
                throw $e;
            }
        }

        /**
         * Process a single period file
         */
        private function processPeriodFile()
        : array
        {
            $disk           = Storage::disk(self::DISK_NAME);
            $filename       = $this->period . self::FILE_EXTENSION;
            $filePath       = "{$this->period}/$filename";
            $processedCount = 0;
            $errorCount     = 0;

            Log::info("Processing teller file: $filePath");

            if (!$disk->exists($filePath)) {
                Log::warning("File not found: $filePath");
                return ['processed' => 0, 'errors' => 0];
            }

            $tempFilePath = $this->createTempFile($disk, $filePath, $filename);

            $result         = $this->processCSVFile($tempFilePath, $filePath);
            $processedCount += $result['processed'];
            $errorCount     += $result['errors'];

            // Clean up the temporary file
            if (file_exists($tempFilePath)) {
                unlink($tempFilePath);
            }

            Log::info("Completed processing $filePath. Processed {$result['processed']} records with {$result['errors']} errors.");

            return [
                'processed' => $processedCount,
                'errors'    => $errorCount
            ];
        }

        /**
         * Create a temporary file for processing
         */
        private function createTempFile($disk, string $filePath, string $filename)
        : string
        {
            $tempFilePath = storage_path("app/temp_$filename");
            file_put_contents($tempFilePath, $disk->get($filePath));
            return $tempFilePath;
        }

        /**
         * Process a CSV file and import data
         */
        private function processCSVFile(string $tempFilePath, string $originalFilePath)
        : array
        {
            $processedCount = 0;
            $errorCount     = 0;

            $handle = fopen($tempFilePath, "r");
            if ($handle === false) {
                Log::error("Unable to open file: $originalFilePath");
                return ['processed' => 0, 'errors' => 0];
            }

            // Get the headers from the first row
            $headerRow = fgetcsv($handle, 0, self::CSV_DELIMITER);
            if (!$headerRow) {
                fclose($handle);
                return ['processed' => 0, 'errors' => 0];
            }

            $rowCount = 0;
            while (($row = fgetcsv($handle, 0, self::CSV_DELIMITER)) !== false) {
                $rowCount++;

                if (count($headerRow) !== count($row)) {
                    Log::warning("Row $rowCount in $originalFilePath has incorrect column count. Expected: " . count($headerRow) . ", Got: " . count($row));
                    continue;
                }

                $result         = $this->processRow($headerRow, $row, $rowCount, $originalFilePath);
                $processedCount += $result['processed'];
                $errorCount     += $result['errors'];
            }

            fclose($handle);

            return [
                'processed' => $processedCount,
                'errors'    => $errorCount
            ];
        }

        /**
         * Process a single row from the CSV file
         */
        private function processRow(array $headerRow, array $row, int $rowCount, string $filePath)
        : array
        {
            // Combine the header row with the data row
            $rawData = array_combine($headerRow, $row);

            // Map the raw data to our model fields
            $data = [];
            foreach (self::HEADER_MAP as $csvField => $modelField) {
                $data[$modelField] = $rawData[$csvField] ?? null;
            }

            // Skip header row if it was included in the data
            if ($data['id_teller'] === 'id') {
                return ['processed' => 0, 'errors' => 0];
            }

            try {
                $teller = Teller::firstOrNew(['id_teller' => $data['id_teller']]);
                $teller->fill($data);
                $teller->save();

                return ['processed' => 1, 'errors' => 0];
            } catch (Exception $e) {
                Log::error("Error processing Teller at row $rowCount in $filePath: " . $e->getMessage());
                return ['processed' => 0, 'errors' => 1];
            }
        }
    }