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 type Config = z.infer<typeof ConfigSchema>;
export function loadEnvironment(): Config {
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;
}
}
