import { createHTTPServer } from '@trpc/server/adapters/standalone';
import { projectRouter } from './project-router';
import { revisionsRouter } from './revisions-router';
import { scriptsRouter } from './scripts-router';
import { waitlistRouter } from './waitlist-router';
import { betaRouter } from './beta-router';
import type { TRPCContext } from './types';
import type { TRPCError } from '@trpc/server';
import { t } from './router';

// App router combining all routers
export const appRouter = t.router({
  project: projectRouter,
  revisions: revisionsRouter,
  scripts: scriptsRouter,
  waitlist: waitlistRouter,
  beta: betaRouter,
} as const);

export type AppRouter = typeof appRouter;

// Create tRPC HTTP server - db is loaded lazily to avoid requiring Turso env vars at import time
export function createTRPCServer(port: number = 8080) {
  const server = createHTTPServer({
    router: appRouter,
    createContext: async (): Promise<TRPCContext> => {
      const { db } = await import('../../src/db/config/migrations');
      return {
        userId: undefined,
        db,
      };
    },
    onError: ({ error, path }: { error: TRPCError; path: string | undefined }) => {
      console.error(`tRPC error on ${path}:`, error.message);
    },
  });

  server.listen(port, () => {
    console.log(`tRPC server listening on port ${port}`);
  });

  return server;
}

export default appRouter;