import { CREDIT_RATING_SCALE } from '../../config/ScoringConfig.js';
import { Asset } from './Asset.js';

export class Bond extends Asset {
  constructor(data) {
    super(data);

    const creditRating = data.creditRating || 'BBB';
    const creditRatingNumeric = CREDIT_RATING_SCALE[creditRating] ?? 7;

    this.metrics = {
      ytm: parseFloat(data.yieldToMaturity) || 0,
      duration: parseFloat(data.duration) || 0,
      creditRating,
      creditRatingNumeric,
    };
  }

  getDisplayMetrics() {
    return {
      Ticker: this.ticker,
      Type: 'BOND',
      Price: this.formatCurrency(this.currentPrice),
      'YTM%': `${this.metrics.ytm.toFixed(2)}%`,
      Duration: this.metrics.duration.toFixed(1),
      Rating: `${this.metrics.creditRating} (${this.metrics.creditRatingNumeric})`,
    };
  }
}