@siva-sub/mcp-public-transport/dist/esm/config/environment.js

A Model Context Protocol server for Singapore transport data with real-time information and routing

import { z } from 'zod';
import dotenv from 'dotenv';
dotenv.config();
const ConfigSchema = z.object({
    // Existing configs
    ltaAccountKey: z.string().min(1, 'LTA_ACCOUNT_KEY is required'),
    cacheDuration: z.coerce.number().default(300),
    logLevel: z.enum(['debug', 'info', 'warn', 'error']).default('info'),
    maxWalkDistance: z.coerce.number().default(1000),
    enableCrowdPrediction: z.coerce.boolean().default(true),
    enableCostOptimization: z.coerce.boolean().default(true),
    requestTimeout: z.coerce.number().default(30000), // Increased for OneMap API
    maxConcurrentRequests: z.coerce.number().default(10),
    // OneMap authentication configs (required for routing)
    oneMapEmail: z.string().email('ONEMAP_EMAIL must be a valid email address'),
    oneMapPassword: z.string().min(1, 'ONEMAP_PASSWORD is required'),
    enableFuzzySearch: z.coerce.boolean().default(true),
    maxSearchResults: z.coerce.number().default(10),
    searchTimeout: z.coerce.number().default(5000),
    enableAutoComplete: z.coerce.boolean().default(true),
    enableLocationCaching: z.coerce.boolean().default(true),
    locationCacheDuration: z.coerce.number().default(3600),
    // Testing and maintenance
    enableApiTesting: z.coerce.boolean().default(false),
    skipTrafficApis: z.coerce.boolean().default(false),
});
export function loadEnvironment() {
    try {
        const config = ConfigSchema.parse({
            // Existing configs
            ltaAccountKey: process.env.LTA_ACCOUNT_KEY,
            cacheDuration: process.env.CACHE_DURATION,
            logLevel: process.env.LOG_LEVEL,
            maxWalkDistance: process.env.MAX_WALK_DISTANCE,
            enableCrowdPrediction: process.env.ENABLE_CROWD_PREDICTION,
            enableCostOptimization: process.env.ENABLE_COST_OPTIMIZATION,
            requestTimeout: process.env.REQUEST_TIMEOUT,
            maxConcurrentRequests: process.env.MAX_CONCURRENT_REQUESTS,
            // New location intelligence configs
            oneMapEmail: process.env.ONEMAP_EMAIL,
            oneMapPassword: process.env.ONEMAP_PASSWORD,
            enableFuzzySearch: process.env.ENABLE_FUZZY_SEARCH,
            maxSearchResults: process.env.MAX_SEARCH_RESULTS,
            searchTimeout: process.env.SEARCH_TIMEOUT,
            enableAutoComplete: process.env.ENABLE_AUTO_COMPLETE,
            enableLocationCaching: process.env.ENABLE_LOCATION_CACHING,
            locationCacheDuration: process.env.LOCATION_CACHE_DURATION,
            // Testing and maintenance
            enableApiTesting: process.env.ENABLE_API_TESTING,
            skipTrafficApis: process.env.SKIP_TRAFFIC_APIS,
        });
        return config;
    }
    catch (error) {
        if (error instanceof z.ZodError) {
            const issues = error.errors.map(e => `${e.path.join('.')}: ${e.message}`).join(', ');
            throw new Error(`Environment configuration error: ${issues}`);
        }
        throw error;
    }
}