import { MetadataRoute } from 'next';
import { createAdminClient } from '@/lib/appwrite.server';
import { APPWRITE_ALMEIRA_CONFIG } from '@/lib/appwrite';
import { Query } from 'node-appwrite';

export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
    const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'https://almeira.com.co';

    // Static routes
    const routes = ['', '/clasificados', '/eventos', '/tv', '/radio'].map((route) => ({
        url: `${baseUrl}${route}`,
        lastModified: new Date(),
        changeFrequency: 'daily' as const,
        priority: 1,
    }));

    // Dynamic posts
    let postRoutes: MetadataRoute.Sitemap = [];
    try {
        const client = await createAdminClient();
        const dbId = APPWRITE_ALMEIRA_CONFIG.databaseId;
        
        // Fetch all published posts
        const postsRes = await client.databases.listDocuments(dbId, 'posts', [
            Query.equal('estado', ['Publicado', 'publicado']),
            Query.limit(1000), // Get up to 1000 posts. For more, pagination is needed.
            Query.orderDesc('fecha_publicacion')
        ]);

        postRoutes = postsRes.documents.map((post) => ({
            url: `${baseUrl}/${post.slug || post.$id}`,
            lastModified: new Date(post.$updatedAt || post.fecha_publicacion || post.$createdAt),
            changeFrequency: 'weekly' as const,
            priority: 0.7,
        }));
    } catch (e) {
        console.error('Error generating sitemap for posts:', e);
    }

    return [...routes, ...postRoutes];
}