import type { LotusCallSummary } from '../plugins/call/CallEmbed';

/** "41 min", "1 h 05 min", "40 s". */
export const describeCallDuration = (ms: number): string => {
  const s = Math.round(ms / 1000);
  if (s < 60) return `${s} s`;
  const m = Math.round(s / 60);
  if (m < 60) return `${m} min`;
  const h = Math.floor(m / 60);
  return `${h} h ${String(m % 60).padStart(2, '0')} min`;
};

/**
 * [Gitea #143] One line for the call-ended toast: duration (cinny's own
 * clock) plus the fork's verdict when it arrived in time.
 *   "Call ended · 41 min · connection was good"
 *   "Call ended · 41 min · 3 reconnects"
 *   "Call ended · 12 min · connection was poor for 4 min"
 */
export function describeCallEnd(durationMs: number, summary?: LotusCallSummary): string {
  const parts = ['Call ended', describeCallDuration(durationMs)];
  if (summary) {
    if (summary.verdict === 'good') parts.push('connection was good');
    else if (summary.verdict === 'fair' || summary.verdict === 'poor') {
      const bits: string[] = [];
      if (summary.reconnects > 0)
        bits.push(`${summary.reconnects} reconnect${summary.reconnects === 1 ? '' : 's'}`);
      if (summary.poorMs >= 5_000)
        bits.push(`connection was poor for ${describeCallDuration(summary.poorMs)}`);
      parts.push(bits.length ? bits.join(', ') : `connection was ${summary.verdict}`);
    }
  }
  return parts.join(' · ');
}