<?php
    namespace Modules\Webstatement\Mail;

    use Carbon\Carbon;
    use Exception;
    use Illuminate\Bus\Queueable;
    use Illuminate\Mail\Mailable;
    use Illuminate\Queue\SerializesModels;
    use Illuminate\Support\Facades\Config;

    use Modules\Webstatement\Models\Account;
    use Modules\Webstatement\Models\PrintStatementLog;
    use Symfony\Component\Mailer\Mailer;
    use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;
    use Symfony\Component\Mime\Email;
    use Illuminate\Support\Facades\Log;

    class StatementEmail extends Mailable
    {
        use Queueable, SerializesModels;

        protected $statement;
        protected $filePath;
        protected $isZip;
        protected $message;

        /**
         * Create a new message instance.
         * Membuat instance email baru untuk pengiriman statement
         *
         * @param PrintStatementLog $statement
         * @param string            $filePath
         * @param bool              $isZip
         */
        public function __construct(PrintStatementLog $statement, $filePath, $isZip = false)
        {
            $this->statement = $statement;
            $this->filePath  = $filePath;
            $this->isZip     = $isZip;
        }

        /**
         * Override the send method to use EsmtpTransport directly
         * Using the working configuration from Python script with multiple fallback methods
         */
        public function send($mailer)
        {
            // Get mail configuration
            $host     = Config::get('mail.mailers.smtp.host');
            $port     = Config::get('mail.mailers.smtp.port');
            $username = Config::get('mail.mailers.smtp.username');
            $password = Config::get('mail.mailers.smtp.password');

            Log::info('StatementEmail: Attempting to send email with multiple fallback methods');

            // Define connection methods like in Python script
            $method =
                // Method 3: STARTTLS with original port
                [
                    'port' => $port,
                    'ssl'  => false,
                    'name' => 'STARTTLS (Port $port)'
                ];

            $lastException = null;

            // Try each connection method until one succeeds
            try {
                Log::info('StatementEmail: Trying ' . $method['name']);

                // Create EsmtpTransport with current method
                $transport = new EsmtpTransport($host, $method['port'], $method['ssl']);

                // Set username and password
                if ($username) {
                    $transport->setUsername($username);
                }
                if ($password) {
                    $transport->setPassword($password);
                }

                // Disable SSL verification for development
                $streamOptions = [
                    'ssl' => [
                        'verify_peer'       => false,
                        'verify_peer_name'  => false,
                        'allow_self_signed' => true
                    ]
                ];
                $transport->getStream()->setStreamOptions($streamOptions);

                // Build the email content
                $this->build();

                // Start transport connection
                $transport->start();

                // Create Symfony mailer
                $symfonyMailer = new Mailer($transport);

                // Convert Laravel message to Symfony Email
                $email = $this->toSymfonyEmail();

                // Send the email
                $symfonyMailer->send($email);

                // Close connection
                $transport->stop();

                Log::info('StatementEmail: Successfully sent email using ' . $method['name']);
                return $this;

            } catch (Exception $e) {
                $lastException = $e;
                Log::warning('StatementEmail: Failed to send with ' . $method['name'] . ': ' . $e->getMessage());
                // Continue to next method
            }

            try {
                return parent::send($mailer);
            } catch (Exception $e) {
                Log::error('StatementEmail: Laravel mailer also failed: ' . $e->getMessage());
                // If we got here, throw the last exception from our custom methods
                throw $lastException;
            }
        }

        /**
         * Build the message.
         * Membangun struktur email dengan attachment statement
         *
         * @return $this
         */
        public function build()
        {
            $subject = 'Statement Rekening Bank Artha Graha Internasional';

            if ($this->statement->is_period_range) {
                $subject .= " - {$this->statement->period_from} to {$this->statement->period_to}";
            } else {
                $subject .= " - " . Carbon::createFromFormat('Ym', $this->statement->period_from)
                                          ->locale('id')
                                          ->isoFormat('MMMM Y');
            }

            $email = $this->subject($subject);

            // Store the email in the message property for later use in toSymfonyEmail()
            $this->message = $email;

            return $email;
        }

        /**
         * Convert Laravel message to Symfony Email
         */
        protected function toSymfonyEmail()
        {
            // Build the message if it hasn't been built yet
            $this->build();
            // Create a new Symfony Email
            $email = new Email();

            // Set from address using config values instead of trying to call getFrom()
            $fromAddress = Config::get('mail.from.address');
            $fromName    = Config::get('mail.from.name');
            $email->from($fromName ? "$fromName <$fromAddress>" : $fromAddress);

            // Set to addresses - use the to addresses from the mailer instead of trying to call getTo()
            // We'll get the to addresses from the Mail facade when the email is sent
            // For now, we'll just add a placeholder recipient that will be overridden by the Mail facade
            $email->to($this->message->to[0]['address']);

            $email->subject($this->message->subject);

            // Set body - use a simple HTML content instead of trying to call getHtmlBody()
            // In a real implementation, we would need to find a way to access the rendered HTML content
            $email->html(view('webstatement::statements.email', [
                'statement'     => $this->statement,
                'accountNumber' => $this->statement->account_number,
                'periodFrom'    => $this->statement->period_from,
                'periodTo'      => $this->statement->period_to,
                'isRange'       => $this->statement->is_period_range,
                'requestType'   => $this->statement->request_type,
                'batchId'       => $this->statement->batch_id,
                'accounts'      => Account::where('account_number', $this->statement->account_number)->first()
            ])->render());
            //$email->text($this->message->getTextBody());

            // Add attachments - use the file path directly instead of trying to call getAttachments()
            if ($this->filePath && file_exists($this->filePath)) {
                if ($this->isZip) {
                    $fileName    = "{$this->statement->account_number}_{$this->statement->period_from}_to_{$this->statement->period_to}.zip";
                    $contentType = 'application/zip';
                } else {
                    $fileName    = "{$this->statement->account_number}_{$this->statement->period_from}.pdf";
                    $contentType = 'application/pdf';
                }
                $email->attachFromPath($this->filePath, $fileName, $contentType);
            }

            return $email;
        }
    }