import type { MetadataRoute } from 'next';
import { getLessons } from '@/lib/actions/lessonActions';
import { getCheatsheets } from '@/lib/actions/cheatsheetActions';
import { getPrompts } from '@/lib/actions/promptActions';

const BASE_URL = 'https://ayrisai.xyz';
const LOCALES = ['en'];

export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
  const now = new Date();

  // Static pages
  const staticRoutes = [
    { path: '', priority: 1.0, changeFrequency: 'daily' as const },
    { path: '/lessons', priority: 0.9, changeFrequency: 'daily' as const },
    { path: '/cheatsheets', priority: 0.8, changeFrequency: 'weekly' as const },
    { path: '/prompts', priority: 0.8, changeFrequency: 'weekly' as const },
    { path: '/contact', priority: 0.5, changeFrequency: 'monthly' as const },
  ];

  const staticEntries: MetadataRoute.Sitemap = LOCALES.flatMap((locale) =>
    staticRoutes.map(({ path, priority, changeFrequency }) => ({
      url: `${BASE_URL}/${locale}${path}`,
      lastModified: now,
      changeFrequency,
      priority,
    }))
  );

  // Dynamic: Lessons
  let lessonEntries: MetadataRoute.Sitemap = [];
  try {
    const lessons = await getLessons();
    lessonEntries = LOCALES.flatMap((locale) =>
      lessons.map((lesson: any) => ({
        url: `${BASE_URL}/${locale}/lessons/${lesson.slug}`,
        lastModified: lesson.updatedAt || now,
        changeFrequency: 'weekly' as const,
        priority: 0.85,
      }))
    );
  } catch {}

  // Dynamic: Cheatsheets
  let cheatEntries: MetadataRoute.Sitemap = [];
  try {
    const sheets = await getCheatsheets();
    cheatEntries = LOCALES.flatMap((locale) =>
      sheets.map((sheet: any) => ({
        url: `${BASE_URL}/${locale}/cheatsheets/${sheet.slug}`,
        lastModified: sheet.updatedAt || now,
        changeFrequency: 'monthly' as const,
        priority: 0.7,
      }))
    );
  } catch {}

  // Dynamic: Prompts
  let promptEntries: MetadataRoute.Sitemap = [];
  try {
    const prompts = await getPrompts();
    promptEntries = LOCALES.flatMap((locale) =>
      prompts.map((prompt: any) => ({
        url: `${BASE_URL}/${locale}/prompts/${prompt.slug}`,
        lastModified: prompt.updatedAt || now,
        changeFrequency: 'monthly' as const,
        priority: 0.7,
      }))
    );
  } catch {}

  return [...staticEntries, ...lessonEntries, ...cheatEntries, ...promptEntries];
}