import path from 'path';
import { fileURLToPath } from 'url';
import { buildConfig } from 'payload';
import { postgresAdapter } from '@payloadcms/db-postgres';
import { lexicalEditor } from '@payloadcms/richtext-lexical';
import sharp from 'sharp';
import { Users } from '@/collections/Users';
import { Posts } from '@/collections/Posts';
import { Media } from '@/collections/Media';
import { PAYLOAD_API_ROUTE, PAYLOAD_ADMIN_ROUTE } from '@/lib/payloadRoutes';
import { migrations } from '@/migrations';

const filename = fileURLToPath(import.meta.url);
const dirname = path.dirname(filename);

export default buildConfig({
  admin: { user: Users.slug },
  // Defined in lib/payloadRoutes.ts, which carries the reasoning and is what
  // the test asserts. Never inline these — /api belongs to the FastAPI proxy.
  routes: { api: PAYLOAD_API_ROUTE, admin: PAYLOAD_ADMIN_ROUTE },
  collections: [Users, Posts, Media],
  editor: lexicalEditor(),
  secret: process.env.PAYLOAD_SECRET || '',
  typescript: { outputFile: path.resolve(dirname, 'payload-types.ts') },
  db: postgresAdapter({
    pool: { connectionString: process.env.DATABASE_URL },
    // Its own schema, so no pipeline operation on `public` can reach blog
    // content. scripts/migrate_csv_to_db.py --drop lives in that blast radius,
    // as does Airflow's metadata. The schema itself is created by the initial
    // migration: schemaName says where tables go, it does not create anything.
    //
    // prodMigrations runs pending migrations during server init. Without it a
    // production container connects to an empty schema and fails its first
    // query with 42P01 — the adapter cannot self-create tables, because
    // db-postgres/connect.js gates push on NODE_ENV !== 'production'.
    schemaName: 'payload',
    prodMigrations: migrations,
  }),
  sharp,
});