added working config lib

libs/config/src/core.ts

@@ -1,10 +1,8 @@
 /**
- * Core configuration module for the Stock Bot platform
+ * Core configuration module for the Stock Bot platform using envalid
  */
 import { config as dotenvConfig } from 'dotenv';
 import path from 'node:path';
-import { z } from 'zod';
-import { Environment } from './types';
 
 /**
  * Represents an error related to configuration validation
@@ -16,6 +14,16 @@ export class ConfigurationError extends Error {
   }
 }
 
+/**
+ * Environment types
+ */
+export enum Environment {
+  Development = 'development',
+  Testing = 'testing',
+  Staging = 'staging',
+  Production = 'production'
+}
+
 /**
  * Loads environment variables from .env files based on the current environment
  */
@@ -57,106 +65,3 @@ export function getEnvironment(): Environment {
       return Environment.Development;
   }
 }
-
-/**
- * Validates configuration using Zod schema
- */
-export function validateConfig<T>(config: unknown, schema: z.ZodSchema<T>): T {
-  try {
-    return schema.parse(config);
-  } catch (error) {
-    if (error instanceof z.ZodError) {
-      const issues = error.issues.map(issue => 
-        `${issue.path.join('.')}: ${issue.message}`
-      ).join('\n');
-      
-      throw new ConfigurationError(`Configuration validation failed:\n${issues}`);
-    }
-    throw new ConfigurationError('Invalid configuration');
-  }
-}
-
-/**
- * Retrieves an environment variable with validation
- */
-export function getEnvVar(key: string, required: boolean = false): string | undefined {
-  const value = process.env[key];
-  
-  if (required && (value === undefined || value === '')) {
-    throw new ConfigurationError(`Required environment variable ${key} is missing`);
-  }
-  
-  return value;
-}
-
-/**
- * Retrieves a numeric environment variable with validation
- */
-export function getNumericEnvVar(key: string, defaultValue?: number): number {
-  const value = process.env[key];
-  if (value === undefined || value === '') {
-    if (defaultValue !== undefined) {
-      return defaultValue;
-    }
-    throw new ConfigurationError(`Required numeric environment variable ${key} is missing`);
-  }
-  
-  const numValue = Number(value);
-  
-  if (isNaN(numValue)) {
-    throw new ConfigurationError(`Environment variable ${key} is not a valid number`);
-  }
-  
-  return numValue;
-}
-
-/**
- * Retrieves a boolean environment variable with validation
- */
-export function getBooleanEnvVar(key: string, defaultValue?: boolean): boolean {
-  const value = process.env[key];
-  if (value === undefined || value === '') {
-    if (defaultValue !== undefined) {
-      return defaultValue;
-    }
-    throw new ConfigurationError(`Required boolean environment variable ${key} is missing`);
-  }
-  
-  return value.toLowerCase() === 'true' || value === '1';
-}
-
-/**
- * Creates a typed dynamic configuration loader for a specific service
- */
-export function createConfigLoader<T>(
-  serviceName: string, 
-  schema: z.ZodSchema<T>, 
-  defaultConfig: Partial<T> = {}
-): () => T {
-  return (): T => {
-    try {
-      loadEnvVariables();
-      const configEnvVar = `${serviceName.toUpperCase()}_CONFIG`;
-      let config = { ...defaultConfig } as unknown as T;
-      
-      // Try to load JSON from environment variable if available
-      const configJson = process.env[configEnvVar];
-      if (configJson) {
-        try {
-          const parsedConfig = JSON.parse(configJson);
-          config = { ...config, ...parsedConfig };
-        } catch (error) {
-          throw new ConfigurationError(`Invalid JSON in ${configEnvVar} environment variable`);
-        }
-      }
-      
-      // Validate and return the config
-      return validateConfig(config, schema);
-    } catch (error) {
-      if (error instanceof ConfigurationError) {
-        throw error;
-      }
-      throw new ConfigurationError(`Failed to load configuration for service ${serviceName}: ${error}`);
-    }
-  };
-}