import {formatGasValue, calculateGasPercentage } from './formatters';

/**
 *
 * @param {string|number} gasUsed 
 * @param {string|number} gasLimit 
 * @returns {Object} 
 */
export function calculateGasUsage(
  gasUsed: string | number | undefined,
  gasLimit: string | number | undefined
): { percentage: number; category: 'low' | 'medium' | 'high' } {
  const percentage = calculateGasPercentage(gasUsed, gasLimit);
  
  let category: 'low' | 'medium' | 'high';
  if (percentage > 90) {
    category = 'high';
  } else if (percentage > 75) {
    category = 'medium';
  } else {
    category = 'low';
  }
  
  return { percentage, category };
}

/**
 * 
 * @param {string|number} gasPrice 
 * @param {number} decimals 
 * @returns {string} 
 */
export function formatGasToGwei(
  gasPrice: string | number | undefined,
  decimals = 2
): string {
  const formatted = formatGasValue(gasPrice, 'gwei', decimals);
  
  return formatted.replace(' Gwei', '');
}