/**
 * Simple logging utility for ProxMox node operations
 */

type LogLevel = 'debug' | 'info' | 'warn' | 'error';

interface LogContext {
	operation?: string;
	resource?: string;
	node?: string;
	vmid?: number;
	[key: string]: any;
}

class ProxMoxLogger {
	private isDebugEnabled(): boolean {
		return process.env.NODE_ENV === 'development' || process.env.N8N_DEBUG === 'true';
	}

	private formatMessage(
		level: LogLevel,
		category: string,
		message: string,
		context?: LogContext,
	): string {
		const timestamp = new Date().toISOString();
		const contextStr = context ? ` ${JSON.stringify(context)}` : '';
		return `[${timestamp}] PROXMOX:${level.toUpperCase()} [${category}] ${message}${contextStr}`;
	}

	debug(category: string, message: string, context?: LogContext): void {
		if (this.isDebugEnabled()) {
			console.debug(this.formatMessage('debug', category, message, context));
		}
	}

	info(category: string, message: string, context?: LogContext): void {
		console.info(this.formatMessage('info', category, message, context));
	}

	warn(category: string, message: string, context?: LogContext): void {
		console.warn(this.formatMessage('warn', category, message, context));
	}

	error(category: string, message: string, context?: LogContext): void {
		console.error(this.formatMessage('error', category, message, context));
	}

	// Convenience methods for common ProxMox operations
	apiRequest(method: string, endpoint: string, context?: LogContext): void {
		this.debug('api', `${method} ${endpoint}`, context);
	}

	apiResponse(method: string, endpoint: string, status: number, context?: LogContext): void {
		this.debug('api', `${method} ${endpoint} -> ${status}`, context);
	}

	apiError(method: string, endpoint: string, error: string, context?: LogContext): void {
		this.error('api', `${method} ${endpoint} failed: ${error}`, context);
	}

	operation(
		operation: string,
		resource: string,
		status: 'start' | 'success' | 'error',
		context?: LogContext,
	): void {
		const level = status === 'error' ? 'error' : 'info';
		this[level]('operation', `${operation} ${resource} ${status}`, context);
	}

	auth(action: string, status: 'success' | 'error', context?: LogContext): void {
		const level = status === 'error' ? 'error' : 'info';
		this[level]('auth', `${action} ${status}`, context);
	}
}

export const logger = new ProxMoxLogger();