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<?php

namespace WPSMTP\Logger;

use PHPMailer\PHPMailer\PHPMailer;
use SolidWP\Mail\Admin\SettingsScreen;
use SolidWP\Mail\Connectors\ConnectorSMTP;
use SolidWP\Mail\SolidMailer;
use WP_Error;

class Process {

    public function __construct() {

        $solidMailOptions = get_option( SettingsScreen::SETTINGS_SLUG );

        if ( ! isset( $solidMailOptions['disable_logs'] ) || 'yes' !== $solidMailOptions['disable_logs'] ) {
            add_action( 'wp_mail_succeeded', [ $this, 'log_mail_success' ], PHP_INT_MAX );
            add_action( 'wp_mail_failed', [ $this, 'log_mail_failure' ], PHP_INT_MAX );
        }
    }

    public function log_mail_success( $mail_data ) {
        unset( $mail_data['attachments'] );

        Db::get_instance()->insert(
            $this->add_solid_mail_data( $mail_data )
        );
    }

    /**
     * @param WP_Error $wp_error
     */
    public function log_mail_failure( $wp_error ) {
        $data = $wp_error->get_error_data( 'wp_mail_failed' );
        unset( $data['phpmailer_exception_code'], $data['attachments'] );
        $data['error'] = $wp_error->get_error_message();

        Db::get_instance()->insert(
            $this->add_solid_mail_data( $data )
        );
    }

    private function add_solid_mail_data( array $data ): array {
        /** @var PHPMailer $phpmailer */
        global $phpmailer;

        $connection = $phpmailer instanceof SolidMailer ? $phpmailer->get_connection() : null;
        // `external` does mean the email was sent outside Solid Mail.
        $data['connection_id'] = $connection instanceof ConnectorSMTP ? $connection->get_id() : 'external';
        $data['from_email']    = $phpmailer->From;
        $data['from_name']     = $phpmailer->FromName;
        $data['content_type']  = $phpmailer->ContentType;
        return $data;
    }
}