import { spinner } from '@clack/prompts';
import pc from 'picocolors';

export { pc };

export function formatBytes(bytes: number): string {
  if (bytes === 0) return '0 B';
  const k = 1024;
  const sizes = ['B', 'KB', 'MB', 'GB'];
  const i = Math.floor(Math.log(bytes) / Math.log(k));
  return `${parseFloat((bytes / Math.pow(k, i)).toFixed(2))} ${sizes[i] ?? 'TB'}`;
}

// Adapter to provide ora-like interface using clack spinner
export interface SpinnerLike {
  text: string;
  start(): SpinnerLike;
  succeed(text?: string): SpinnerLike;
  fail(text?: string): SpinnerLike;
}

export function createSpinner(text: string): SpinnerLike {
  const s = spinner();
  let currentText = text;
  let started = false;

  return {
    get text() {
      return currentText;
    },
    set text(newText: string) {
      currentText = newText;
      if (started) {
        s.message(newText);
      }
    },
    start() {
      started = true;
      s.start(currentText);
      return this;
    },
    succeed(message?: string) {
      s.stop(pc.green('✓ ') + (message ?? currentText));
      started = false;
      return this;
    },
    fail(message?: string) {
      s.stop(pc.red('✗ ') + (message ?? currentText));
      started = false;
      return this;
    }
  };
}