<?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\Account;
    use Modules\Webstatement\Models\AccountBalance;

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

        protected $periods;

        /**
         * Create a new job instance.
         */
        public function __construct(array $periods = [])
        {
            $this->periods = $periods;
        }

        /**
         * Execute the job.
         */
        public function handle(): void
        {
            try {
                set_time_limit(24 * 60 * 60);
                $disk = Storage::disk('sftpStatement');
                $processedCount = 0;
                $errorCount = 0;

                if (empty($this->periods)) {
                    Log::warning('No periods provided for account data processing');
                    return;
                }

                foreach ($this->periods as $period) {
                    // Skip the _parameter folder
                    if ($period === '_parameter') {
                        Log::info("Skipping _parameter folder");
                        continue;
                    }

                    // Construct the filename based on the period folder name
                    $filename = "$period.ST.ACCOUNT.csv";
                    $filePath = "$period/$filename";

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

                    if (!$disk->exists($filePath)) {
                        Log::warning("File not found: $filePath");
                        continue;
                    }

                    // Create a temporary local copy of the file
                    $tempFilePath = storage_path("app/temp_$filename");
                    file_put_contents($tempFilePath, $disk->get($filePath));

                    $handle = fopen($tempFilePath, "r");

                    if ($handle !== false) {
                        $headers = (new Account())->getFillable();
                        Log::info('Headers: ' . implode(", ", $headers));
                        $rowCount = 0;

                        while (($row = fgetcsv($handle, 0, "~")) !== false) {
                            $rowCount++;

                            if (count($headers) === count($row)) {
                                $data = array_combine($headers, $row);

                                // Check if start_year_bal is empty and set it to 0 if so
                                if (empty($data['start_year_bal']) || $data['start_year_bal'] == "" || $data['start_year_bal'] == null) {
                                    $data['start_year_bal'] = 0;
                                }

                                if (empty($data['closure_date']) || $data['closure_date'] == "" || $data['closure_date'] == null) {
                                    $data['closure_date'] = null;
                                }

                                try {
                                    if ($data['account_number'] !== 'account_number') {
                                        // Use firstOrNew instead of updateOrCreate
                                        $account = Account::firstOrNew(['account_number' => $data['account_number']]);
                                        $account->fill($data);
                                        $account->save();

                                        // Store the opening balances in the AccountBalance model for this period
                                        if (isset($data['open_actual_bal']) || isset($data['open_cleared_bal'])) {
                                            $accountBalance = AccountBalance::firstOrNew([
                                                'account_number' => $data['account_number'],
                                                'period' => $period
                                            ]);

                                            // Set the balances
                                            if (isset($data['open_actual_bal'])) {
                                                $accountBalance->actual_balance = $data['open_actual_bal'];
                                            }

                                            if (isset($data['open_cleared_bal'])) {
                                                $accountBalance->cleared_balance = $data['open_cleared_bal'];
                                            }

                                            $accountBalance->save();
                                            Log::info("Saved balance for account {$data['account_number']} for period $period");
                                        }

                                        $processedCount++;
                                    }
                                } catch (Exception $e) {
                                    $errorCount++;
                                    Log::error("Error processing Account at row $rowCount in $filePath: " . $e->getMessage());
                                }
                            } else {
                                Log::warning("Row $rowCount in $filePath has incorrect column count. Expected: " . count($headers) . ", Got: " . count($row));
                            }
                        }

                        fclose($handle);
                        Log::info("Completed processing $filePath. Processed $processedCount records with $errorCount errors.");

                        // Clean up the temporary file
                        unlink($tempFilePath);
                    } else {
                        Log::error("Unable to open file: $filePath");
                    }
                }

                Log::info("Account data processing completed. Total processed: $processedCount, Total errors: $errorCount");

            } catch (Exception $e) {
                Log::error('Error in ProcessAccountDataJob: ' . $e->getMessage());
                throw $e;
            }
        }
    }