import { z } from 'zod';
import dotenv from 'dotenv';
import pino from 'pino';
import { join, dirname } from 'path';
import { existsSync, mkdirSync } from 'fs';
// Load environment variables
dotenv.config();
// Configuration schema
const ConfigSchema = z.object({
graph: z.object({
tenantId: z.string().min(1),
clientId: z.string().min(1),
clientSecret: z.string().optional(),
authMode: z.enum(['delegated', 'app']),
}),
organizer: z.object({
email: z.string().email(),
}),
server: z.object({
port: z.coerce.number().int().positive().default(7337),
defaultTimezone: z.string().min(1).default('Asia/Dubai'),
}),
auth: z.object({
tokenCachePath: z.string().min(1).default('.tokens.json'),
}),
logging: z.object({
level: z.enum(['fatal', 'error', 'warn', 'info', 'debug', 'trace']).default('info'),
}),
});
// Parse and validate configuration
const config = ConfigSchema.parse({
graph: {
tenantId: process.env.GRAPH_TENANT_ID,
clientId: process.env.GRAPH_CLIENT_ID,
clientSecret: process.env.GRAPH_CLIENT_SECRET,
authMode: process.env.GRAPH_AUTH_MODE,
},
organizer: {
email: process.env.GRAPH_ORGANIZER_EMAIL,
},
server: {
port: process.env.PORT,
defaultTimezone: process.env.DEFAULT_TIMEZONE,
},
auth: {
tokenCachePath: process.env.TOKEN_CACHE_PATH,
},
logging: {
level: process.env.LOG_LEVEL,
},
});
// Ensure logs directory exists
const logsDir = join(process.cwd(), 'logs');
if (!existsSync(logsDir)) {
try {
mkdirSync(logsDir, { recursive: true });
} catch (error) {
console.warn('Failed to create logs directory, falling back to console logging:', error);
}
}
// Create logger that writes to file instead of stdout/stderr to avoid MCP communication issues
// Fall back to console logging if file logging fails
let logger: pino.Logger;
try {
if (existsSync(logsDir)) {
const logFile = join(logsDir, 'mcp-server.log');
logger = pino({
level: config.logging.level
}, pino.destination(logFile));
} else {
// Fallback to console logging
logger = pino({
level: config.logging.level
});
}
} catch (error) {
console.warn('Failed to initialize file logger, falling back to console logging:', error);
logger = pino({
level: config.logging.level
});
}
export { logger };
export default config;
