import { randomBytes } from 'node:crypto';
import { appendFileSync, existsSync, mkdirSync } from 'node:fs';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';
import { requestDebug } from './log.js';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const PROJECT_ROOT = join(__dirname, '..', '..');
const LOG_DIR = join(PROJECT_ROOT, 'logs');
const LOG_FILE = join(LOG_DIR, 'mcp-requests.log');
// Check if file logging is enabled via environment variable
const FILE_LOGGING_ENABLED =
process.env.PLAYWRIGHT_MCP_LOG_REQUESTS === 'file' ||
process.env.PLAYWRIGHT_MCP_LOG_REQUESTS === 'both';
// Ensure log directory exists if file logging is enabled
if (FILE_LOGGING_ENABLED && !existsSync(LOG_DIR)) {
mkdirSync(LOG_DIR, { recursive: true });
}
export interface RequestLogEntry {
timestamp: string;
toolName: string;
params: Record<string, unknown>;
requestId?: string;
}
export function logRequest(
toolName: string,
params: Record<string, unknown>
): void {
try {
const timestamp = new Date().toISOString();
const requestId = randomBytes(4).toString('hex');
// Debug logging (always available via DEBUG env var)
requestDebug(
'Tool: %s (ID: %s) - Parameters: %o',
toolName,
requestId,
params
);
// File logging (only if enabled)
if (FILE_LOGGING_ENABLED) {
// Format as human-readable log entry
const logEntry = [
`[${timestamp}] Tool: ${toolName} (ID: ${requestId})`,
`Parameters: ${JSON.stringify(params, null, 2)}`,
'---',
].join('\n');
appendFileSync(LOG_FILE, `${logEntry}\n`, 'utf-8');
}
} catch (error) {
// Silently fail to not interfere with normal operation
requestDebug('Failed to log request: %o', error);
}
}
export function getLogFilePath(): string {
return LOG_FILE;
}
export function logServerStart(): void {
try {
const timestamp = new Date().toISOString();
// Debug logging
requestDebug(
'=== MCP Server Started === PID: %d, Node: %s',
process.pid,
process.version
);
// File logging (only if enabled)
if (FILE_LOGGING_ENABLED) {
const logEntry = [
`[${timestamp}] === MCP Server Started ===`,
`Process ID: ${process.pid}`,
`Node Version: ${process.version}`,
`Log Mode: ${process.env.PLAYWRIGHT_MCP_LOG_REQUESTS ?? 'debug only'}`,
'---',
].join('\n');
appendFileSync(LOG_FILE, `${logEntry}\n`, 'utf-8');
requestDebug('Request logging to file enabled: %s', LOG_FILE);
}
} catch (error) {
requestDebug('Failed to log server start: %o', error);
}
}
