/**
 * TAT (Turnaround Time) Configuration
 * 
 * This file contains configuration for TAT notifications and testing
 */

export const TAT_CONFIG = {
  // Working hours configuration
  WORK_START_HOUR: parseInt(process.env.WORK_START_HOUR || '9', 10),
  WORK_END_HOUR: parseInt(process.env.WORK_END_HOUR || '18', 10),
  
  // Working days (1 = Monday, 5 = Friday)
  WORK_START_DAY: 1,
  WORK_END_DAY: 5,
  
  // TAT notification thresholds (percentage)
  THRESHOLD_50_PERCENT: 50,
  THRESHOLD_75_PERCENT: 75,
  THRESHOLD_100_PERCENT: 100,
  
  // Testing mode - Set to true for faster notifications in development
  TEST_MODE: process.env.TAT_TEST_MODE === 'true',
  
  // In test mode, use minutes instead of hours (1 hour = 1 minute)
  TEST_TIME_MULTIPLIER: process.env.TAT_TEST_MODE === 'true' ? 1/60 : 1,
  
  // Redis configuration
  REDIS_URL: process.env.REDIS_URL || 'redis://localhost:6379',
  
  // Queue configuration
  QUEUE_CONCURRENCY: 5,
  QUEUE_RATE_LIMIT_MAX: 10,
  QUEUE_RATE_LIMIT_DURATION: 1000,
  
  // Retry configuration
  MAX_RETRY_ATTEMPTS: 3,
  RETRY_BACKOFF_DELAY: 2000,
};

/**
 * Get TAT time in appropriate units based on test mode
 * @param hours - TAT hours
 * @returns Adjusted time for test mode
 */
export function getTatTime(hours: number): number {
  return hours * TAT_CONFIG.TEST_TIME_MULTIPLIER;
}

/**
 * Get display name for time unit based on test mode
 */
export function getTimeUnitName(): string {
  return TAT_CONFIG.TEST_MODE ? 'minutes' : 'hours';
}

/**
 * Check if TAT system is in test mode
 */
export function isTestMode(): boolean {
  return TAT_CONFIG.TEST_MODE;
}

/**
 * Log TAT configuration on startup
 */
export function logTatConfig(): void {
  console.log('⏰ TAT Configuration:');
  console.log(`   - Test Mode: ${TAT_CONFIG.TEST_MODE ? 'ENABLED (1 hour = 1 minute)' : 'DISABLED'}`);
  console.log(`   - Working Hours: ${TAT_CONFIG.WORK_START_HOUR}:00 - ${TAT_CONFIG.WORK_END_HOUR}:00`);
  console.log(`   - Working Days: Monday - Friday`);
  console.log(`   - Redis: ${TAT_CONFIG.REDIS_URL}`);
  console.log(`   - Thresholds: ${TAT_CONFIG.THRESHOLD_50_PERCENT}%, ${TAT_CONFIG.THRESHOLD_75_PERCENT}%, ${TAT_CONFIG.THRESHOLD_100_PERCENT}%`);
}

export default TAT_CONFIG;