import Fastify from 'fastify';
import cors from '@fastify/cors';
import jwt from '@fastify/jwt';
import multipart from '@fastify/multipart';
import swagger from '@fastify/swagger';
import swaggerUi from '@fastify/swagger-ui';

import { prismaPlugin } from './plugins/prisma';
import { authPlugin } from './plugins/auth';
import { registerRoutes } from './routes';

export async function buildApp() {
  const app = Fastify({
    logger: {
      transport: process.env.NODE_ENV !== 'production' ? { target: 'pino-pretty', options: { colorize: true } } : undefined,
    },
  });

  await app.register(cors, {
    origin: (origin, cb) => cb(null, true),
    credentials: true,
  });

  await app.register(jwt, {
    secret: process.env.JWT_SECRET ?? 'dev-secret-change-me-in-prod',
    sign: { expiresIn: '7d' },
  });

  await app.register(multipart, {
    limits: { fileSize: 10 * 1024 * 1024 },
  });

  await app.register(swagger, {
    openapi: {
      info: { title: 'Insurance API', version: '1.0.0' },
      components: {
        securitySchemes: {
          bearerAuth: { type: 'http', scheme: 'bearer', bearerFormat: 'JWT' },
        },
      },
    },
  });
  await app.register(swaggerUi, { routePrefix: '/docs' });

  await app.register(prismaPlugin);
  await app.register(authPlugin);

  app.get('/health', async () => ({ ok: true, ts: Date.now() }));

  await registerRoutes(app);

  return app;
}