/**
 * Test Setup for @stock-bot/config Library
 *
 * Provides common setup and utilities for testing configuration modules.
 */

// Set NODE_ENV immediately at module load time
process.env.NODE_ENV = 'test';

// Store original environment variables
const originalEnv = process.env;

// Note: Bun provides its own test globals, no need to import from @jest/globals
beforeEach(() => {
  // Reset environment variables to original state
  process.env = { ...originalEnv };
  // Ensure NODE_ENV is set to test by default
  process.env.NODE_ENV = 'test';
});

afterEach(() => {
  // Clear environment
});

afterAll(() => {
  // Restore original environment
  process.env = originalEnv;
});

/**
 * Helper function to set environment variables for testing
 */
export function setTestEnv(vars: Record<string, string | undefined>): void {
  Object.assign(process.env, vars);
}

/**
 * Helper function to clear specific environment variables
 */
export function clearEnvVars(vars: string[]): void {
  vars.forEach(varName => {
    delete process.env[varName];
  });
}

/**
 * Helper function to get a clean environment for testing
 */
export function getCleanEnv(): typeof process.env {
  return {
    NODE_ENV: 'test',
  };
}

/**
 * Helper function to create minimal required environment variables
 */
export function getMinimalTestEnv(): Record<string, string> {
  return {
    NODE_ENV: 'test',
    // Logging
    LOG_LEVEL: 'info', // Changed from 'error' to 'info' to match test expectations
    // Database
    POSTGRES_HOST: 'localhost',
    POSTGRES_PORT: '5432',
    POSTGRES_DATABASE: 'test_db',
    POSTGRES_USERNAME: 'test_user',
    POSTGRES_PASSWORD: 'test_pass',
    // QuestDB
    QUESTDB_HOST: 'localhost',
    QUESTDB_HTTP_PORT: '9000',
    QUESTDB_PG_PORT: '8812',
    // MongoDB
    MONGODB_HOST: 'localhost',
    MONGODB_PORT: '27017',
    MONGODB_DATABASE: 'test_db',
    MONGODB_USERNAME: 'test_user',
    MONGODB_PASSWORD: 'test_pass',
    // Dragonfly
    DRAGONFLY_HOST: 'localhost',
    DRAGONFLY_PORT: '6379',
    // Monitoring
    PROMETHEUS_PORT: '9090',
    GRAFANA_PORT: '3000',
    // Data Providers
    DATA_PROVIDER_API_KEY: 'test_key',
    // Risk
    RISK_MAX_POSITION_SIZE: '0.1',
    RISK_MAX_DAILY_LOSS: '0.05',
    // Admin
    ADMIN_PORT: '8080',
  };
}