/**
 * SMTP Logging Utilities
 * Provides structured logging for SMTP server components
 */
import * as plugins from '../../../../plugins.js';
import { logger } from '../../../../logger.js';
import { SecurityLogLevel, SecurityEventType } from '../constants.js';
/**
 * SMTP logger - provides structured logging for SMTP server
 */
export class SmtpLogger {
    /**
     * Log a message with context
     * @param level - Log level
     * @param message - Log message
     * @param options - Additional log options
     */
    static log(level, message, options = {}) {
        // Extract error information if provided
        const errorInfo = options.error ? {
            errorMessage: options.error.message,
            errorStack: options.error.stack,
            errorName: options.error.name
        } : {};
        // Structure log data
        const logData = {
            component: 'smtp-server',
            ...options,
            ...errorInfo
        };
        // Remove error from log data to avoid duplication
        if (logData.error) {
            delete logData.error;
        }
        // Log through the main logger
        logger.log(level, message, logData);
        // Also console log for immediate visibility during development
        if (level === 'error' || level === 'warn') {
            console[level](`[SMTP] ${message}`, logData);
        }
    }
    /**
     * Log debug level message
     * @param message - Log message
     * @param options - Additional log options
     */
    static debug(message, options = {}) {
        this.log('debug', message, options);
    }
    /**
     * Log info level message
     * @param message - Log message
     * @param options - Additional log options
     */
    static info(message, options = {}) {
        this.log('info', message, options);
    }
    /**
     * Log warning level message
     * @param message - Log message
     * @param options - Additional log options
     */
    static warn(message, options = {}) {
        this.log('warn', message, options);
    }
    /**
     * Log error level message
     * @param message - Log message
     * @param options - Additional log options
     */
    static error(message, options = {}) {
        this.log('error', message, options);
    }
    /**
     * Log command received from client
     * @param command - The command string
     * @param socket - The client socket
     * @param session - The SMTP session
     */
    static logCommand(command, socket, session) {
        const clientInfo = {
            remoteAddress: socket.remoteAddress,
            remotePort: socket.remotePort,
            secure: socket instanceof plugins.tls.TLSSocket,
            sessionId: session?.id,
            sessionState: session?.state
        };
        this.info(`Command received: ${command}`, {
            ...clientInfo,
            command: command.split(' ')[0]?.toUpperCase()
        });
        // Also log to console for easy debugging
        console.log(`← ${command}`);
    }
    /**
     * Log response sent to client
     * @param response - The response string
     * @param socket - The client socket
     */
    static logResponse(response, socket) {
        const clientInfo = {
            remoteAddress: socket.remoteAddress,
            remotePort: socket.remotePort,
            secure: socket instanceof plugins.tls.TLSSocket
        };
        // Get the response code from the beginning of the response
        const responseCode = response.substring(0, 3);
        // Log different levels based on response code
        if (responseCode.startsWith('2') || responseCode.startsWith('3')) {
            this.debug(`Response sent: ${response}`, clientInfo);
        }
        else if (responseCode.startsWith('4')) {
            this.warn(`Temporary error response: ${response}`, clientInfo);
        }
        else if (responseCode.startsWith('5')) {
            this.error(`Permanent error response: ${response}`, clientInfo);
        }
        // Also log to console for easy debugging
        console.log(`→ ${response}`);
    }
    /**
     * Log client connection event
     * @param socket - The client socket
     * @param eventType - Type of connection event (connect, close, error)
     * @param session - The SMTP session
     * @param error - Optional error object for error events
     */
    static logConnection(socket, eventType, session, error) {
        const clientInfo = {
            remoteAddress: socket.remoteAddress,
            remotePort: socket.remotePort,
            secure: socket instanceof plugins.tls.TLSSocket,
            sessionId: session?.id,
            sessionState: session?.state
        };
        switch (eventType) {
            case 'connect':
                this.info(`New ${clientInfo.secure ? 'secure ' : ''}connection from ${clientInfo.remoteAddress}:${clientInfo.remotePort}`, clientInfo);
                break;
            case 'close':
                this.info(`Connection closed from ${clientInfo.remoteAddress}:${clientInfo.remotePort}`, clientInfo);
                break;
            case 'error':
                this.error(`Connection error from ${clientInfo.remoteAddress}:${clientInfo.remotePort}`, {
                    ...clientInfo,
                    error
                });
                break;
        }
    }
    /**
     * Log security event
     * @param level - Security log level
     * @param type - Security event type
     * @param message - Log message
     * @param details - Event details
     * @param ipAddress - Client IP address
     * @param domain - Optional domain involved
     * @param success - Whether the security check was successful
     */
    static logSecurityEvent(level, type, message, details, ipAddress, domain, success) {
        // Map security log level to system log level
        const logLevel = level === SecurityLogLevel.DEBUG ? 'debug' :
            level === SecurityLogLevel.INFO ? 'info' :
                level === SecurityLogLevel.WARN ? 'warn' : 'error';
        // Log the security event
        this.log(logLevel, message, {
            component: 'smtp-security',
            eventType: type,
            success,
            ipAddress,
            domain,
            ...details
        });
    }
}
/**
 * Default instance for backward compatibility
 */
export const smtpLogger = SmtpLogger;
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FBZSxFQUNmLE9BQWlCO1FBRWpCLDZDQUE2QztRQUM3QyxNQUFNLFFBQVEsR0FBYSxLQUFLLEtBQUssZ0JBQWdCLENBQUMsS0FBSyxDQUFDLENBQUMsQ0FBQyxPQUFPLENBQUMsQ0FBQztZQUM1QyxLQUFLLEtBQUssZ0JBQWdCLENBQUMsSUFBSSxDQUFDLENBQUMsQ0FBQyxNQUFNLENBQUMsQ0FBQztnQkFDMUMsS0FBSyxLQUFLLGdCQUFnQixDQUFDLElBQUksQ0FBQyxDQUFDLENBQUMsTUFBTSxDQUFDLENBQUMsQ0FBQyxPQUFPLENBQUM7UUFFOUUseUJBQXlCO1FBQ3pCLElBQUksQ0FBQyxHQUFHLENBQUMsUUFBUSxFQUFFLE9BQU8sRUFBRTtZQUMxQixTQUFTLEVBQUUsZUFBZTtZQUMxQixTQUFTLEVBQUUsSUFBSTtZQUNmLE9BQU87WUFDUCxTQUFTO1lBQ1QsTUFBTTtZQUNOLEdBQUcsT0FBTztTQUNYLENBQUMsQ0FBQztJQUNMLENBQUM7Q0FDRjtBQUVEOztHQUVHO0FBQ0gsTUFBTSxDQUFDLE1BQU0sVUFBVSxHQUFHLFVBQVUsQ0FBQyJ9