import { Hono } from 'hono';
import { jsonValidator, queryValidator } from '../../shared/validation/index.js';
import { created, success } from '../../lib/response.js';
import { requireAuth } from '../../middleware/auth.js';
import {
  createChatSessionSchema,
  listChatSessionsQuerySchema,
  sendChatMessageSchema,
} from './chat.schemas.js';
import {
  createChatSession,
  listChatMessages,
  listChatSessions,
  sendChatMessage,
  startChatSession,
} from './chat.service.js';

export function createChatRoutes() {
  const routes = new Hono();

  routes.get('/sessions', requireAuth, queryValidator(listChatSessionsQuerySchema), async (c) => {
    const authUser = c.get('authUser');
    const { sessionOrder } = c.req.valid('query');
    const result = await listChatSessions(authUser.id, sessionOrder);
    return success(c, result);
  });

  routes.post('/sessions', requireAuth, jsonValidator(createChatSessionSchema), async (c) => {
    const authUser = c.get('authUser');
    const { sessionOrder } = c.req.valid('json');
    const result = await createChatSession(authUser.id, sessionOrder);
    return created(c, result);
  });

  routes.get('/sessions/:id/messages', requireAuth, async (c) => {
    const authUser = c.get('authUser');
    const result = await listChatMessages(authUser.id, BigInt(c.req.param('id')));
    return success(c, result);
  });

  routes.post(
    '/sessions/:id/messages',
    requireAuth,
    jsonValidator(sendChatMessageSchema),
    async (c) => {
      const authUser = c.get('authUser');
      const { content } = c.req.valid('json');
      const result = await sendChatMessage(authUser.id, BigInt(c.req.param('id')), content);
      return created(c, result);
    },
  );

  routes.post('/sessions/:id/start', requireAuth, async (c) => {
    const authUser = c.get('authUser');
    const result = await startChatSession(authUser.id, BigInt(c.req.param('id')));
    return success(c, result);
  });

  return routes;
}