export type SupportedProvider = 'netflix' | 'primevideo';

const NETFLIX_HOSTS = new Set([
  'www.netflix.com',
  'netflix.com',
  'www.netflix.com.tr',
  'netflix.com.tr',
]);

const PRIME_HOSTS = new Set([
  'www.primevideo.com',
  'primevideo.com',
]);

export interface ParsedContentUrl {
  provider: SupportedProvider;
  id: string;
}

export function parseSupportedContentUrl(rawUrl: string): ParsedContentUrl | null {
  try {
    const parsedUrl = new URL(rawUrl);
    const hostname = parsedUrl.hostname.toLowerCase();

    if (NETFLIX_HOSTS.has(hostname)) {
      const titleIdMatch = parsedUrl.pathname.match(/\/title\/(\d+)/);
      if (!titleIdMatch) return null;
      const id = titleIdMatch[1];
      if (!id) return null;
      return { provider: 'netflix', id };
    }

    if (PRIME_HOSTS.has(hostname)) {
      const detailIdMatch = parsedUrl.pathname.match(/\/detail\/([A-Za-z0-9]+)/);
      if (!detailIdMatch) return null;
      const id = detailIdMatch[1];
      if (!id) return null;
      return { provider: 'primevideo', id };
    }

    return null;
  } catch {
    return null;
  }
}

export function isSupportedContentUrl(rawUrl: string): boolean {
  return Boolean(parseSupportedContentUrl(rawUrl));
}