import { MetadataRoute } from 'next';
import { getSeoSlugs } from '@/data/seoMatrix';
import { blogs } from '@/data/blogs';

export default function sitemap(): MetadataRoute.Sitemap {
  const baseUrl = 'https://vocalbee.vercel.app';
  
  const baseUrls: MetadataRoute.Sitemap = [
    {
      url: `${baseUrl}`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 1,
    },
    {
      url: `${baseUrl}/faq`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 0.9,
    },
    {
      url: `${baseUrl}/blog`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 0.9,
    },
    {
      url: `${baseUrl}/tools/directory`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 0.8,
    }
  ];

  const blogUrls: MetadataRoute.Sitemap = blogs.map((blog) => ({
    url: `${baseUrl}/blog/${blog.slug}`,
    lastModified: new Date(blog.date),
    changeFrequency: 'monthly',
    priority: 0.8,
  }));

  const seoSlugs = getSeoSlugs();
  const seoUrls: MetadataRoute.Sitemap = seoSlugs.map((slug) => ({
    url: `${baseUrl}/tools/${slug}`,
    lastModified: new Date(),
    changeFrequency: 'monthly',
    priority: 0.6,
  }));

  return [...baseUrls, ...blogUrls, ...seoUrls];
}