import { Application, Context, Next, Router } from "jsr:@oak/oak";

interface HelloWorldState {
  hello?: string;
  world?: string;
}
async function hello(ctx: Context<HelloWorldState>, next: Next) {
  ctx.state.hello = "Hello";
  await next();
}
async function world(ctx: Context<HelloWorldState>, next: Next) {
  ctx.state.world = "world";
  await next();
}

const router = new Router<HelloWorldState>();
router.get("/hello", hello, world, (ctx) => {
  ctx.response.body = `${ctx.state.hello}, ${ctx.state.world}!`;
});

const app = new Application<HelloWorldState>();
app.use(router.routes());
app.use(router.allowedMethods());
app.listen({ port: 8000 });