import { Asset } from './Asset.js';

export class Etf extends Asset {
  constructor(data) {
    super(data);
    this.metrics = {
      expenseRatio: parseFloat(data.expenseRatio) || 0,
      totalAssets: parseFloat(data.totalAssets) || 0,
      yield: parseFloat(data.yield) || 0,
      volume: parseFloat(data.volume) || 0,
      fiveYearReturn: parseFloat(data.fiveYearReturn) || 0,
    };
  }

  getDisplayMetrics() {
    return {
      Ticker: this.ticker,
      Type: 'ETF',
      Price: this.formatCurrency(this.currentPrice),
      'Exp Ratio%': `${this.metrics.expenseRatio.toFixed(2)}%`,
      'Yield%': `${this.metrics.yield.toFixed(2)}%`,
      AUM: this.formatLargeNumber(this.metrics.totalAssets),
      '5Y Return%': `${this.metrics.fiveYearReturn.toFixed(1)}%`,
    };
  }
}