// app/sitemap.ts
import { MetadataRoute } from 'next';

const BASE_URL = process.env.NEXT_PUBLIC_SITE_URL || 'https://theketobay.com';

export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
  // Static pages
  const staticPages: MetadataRoute.Sitemap = [
    { url: BASE_URL, lastModified: new Date(), changeFrequency: 'daily', priority: 1 },
    { url: `${BASE_URL}/plans`, lastModified: new Date(), changeFrequency: 'weekly', priority: 0.9 },
    { url: `${BASE_URL}/ai-planner`, lastModified: new Date(), changeFrequency: 'monthly', priority: 0.9 },
    { url: `${BASE_URL}/marketplace`, lastModified: new Date(), changeFrequency: 'weekly', priority: 0.8 },
    { url: `${BASE_URL}/blog`, lastModified: new Date(), changeFrequency: 'daily', priority: 0.8 },
    { url: `${BASE_URL}/pricing`, lastModified: new Date(), changeFrequency: 'monthly', priority: 0.7 },
    { url: `${BASE_URL}/register`, lastModified: new Date(), changeFrequency: 'monthly', priority: 0.6 },
    { url: `${BASE_URL}/login`, lastModified: new Date(), changeFrequency: 'monthly', priority: 0.5 },
  ];

  // Dynamic pages from API
  let planPages: MetadataRoute.Sitemap = [];
  let blogPages: MetadataRoute.Sitemap = [];

  try {
    const [plansRes, blogRes] = await Promise.all([
      fetch(`${process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3001'}/api/plans`),
      fetch(`${process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3001'}/api/blog`)
    ]);

    if (plansRes.ok) {
      const { plans } = await plansRes.json();
      planPages = plans.map((p: any) => ({
        url: `${BASE_URL}/plans/${p.slug}`,
        lastModified: new Date(p.updatedAt || Date.now()),
        changeFrequency: 'monthly' as const,
        priority: 0.8
      }));
    }

    if (blogRes.ok) {
      const { posts } = await blogRes.json();
      blogPages = posts.map((p: any) => ({
        url: `${BASE_URL}/blog/${p.slug}`,
        lastModified: new Date(p.updatedAt || Date.now()),
        changeFrequency: 'monthly' as const,
        priority: 0.7
      }));
    }
  } catch {
    // Silently fail during build if API not available
  }

  return [...staticPages, ...planPages, ...blogPages];
}