import { createPhotoShareLink } from '../services/photosApi';

type ShareOptions = {
  token: string;
  photoId: number;
  title?: string;
  text?: string;
};

async function copyToClipboard(text: string): Promise<boolean> {
  try {
    if (navigator.clipboard && window.isSecureContext) {
      await navigator.clipboard.writeText(text);
      return true;
    }
  } catch {
    // ignore and fallback
  }

  try {
    const input = document.createElement('input');
    input.value = text;
    document.body.appendChild(input);
    input.select();
    document.execCommand('copy');
    document.body.removeChild(input);
    return true;
  } catch {
    return false;
  }
}

export async function sharePhotoLink(options: ShareOptions): Promise<{ url: string; method: 'native' | 'clipboard' | 'manual' }>
{
  const payload = await createPhotoShareLink(options.token, options.photoId);
  const shareData: ShareData = {
    title: options.title ?? 'Fotospiel Moment',
    text: options.text ?? '',
    url: payload.url,
  };

  if (navigator.share && (!navigator.canShare || navigator.canShare(shareData))) {
    try {
      await navigator.share(shareData);
      return { url: payload.url, method: 'native' };
    } catch (error: unknown) {
      if (error && typeof error === 'object' && 'name' in error && (error as { name?: string }).name === 'AbortError') {
        return { url: payload.url, method: 'native' };
      }
      // fall through to clipboard
    }
  }

  if (await copyToClipboard(payload.url)) {
    return { url: payload.url, method: 'clipboard' };
  }

  return { url: payload.url, method: 'manual' };
}