import Fastify from "fastify";

import { createCharacterGardenApp } from "./app";

const port = Number(process.env.APP_PORT ?? 3000);
const host = process.env.APP_HOST ?? "0.0.0.0";
const dbPath = process.env.DB_PATH ?? "/data/sqlite/app.db";

const game = createCharacterGardenApp(dbPath);
const server = Fastify({ logger: true });

server.get("/health", async () => ({ ok: true }));

server.get("/api/state", async () => game.getSnapshot());

server.post<{ Body: { input?: string } }>("/api/turn", async (request, reply) => {
  const input = request.body?.input?.trim();
  if (!input) {
    reply.code(400);
    return { error: "input is required" };
  }

  return game.processTurn(input);
});

async function start(): Promise<void> {
  try {
    await server.listen({ host, port });
  } catch (error) {
    server.log.error(error);
    process.exit(1);
  }
}

void start();