import cors from "cors";
import express from "express";
import helmet from "helmet";
import morgan from "morgan";
import swaggerUi from "swagger-ui-express";

import { openApiDocument } from "./docs/openapi.js";
import { errorHandler } from "./middleware/error-handler.js";
import { apiRouter } from "./routes/index.js";

export const createApp = () => {
  const app = express();

  app.use(
    cors({
      origin: true
    })
  );
  app.use(helmet());
  app.use(express.json({ limit: "1mb" }));
  app.use(morgan("dev"));

  app.get("/health", (_request, response) => {
    response.json({ status: "ok" });
  });

  app.get("/docs/openapi.json", (_request, response) => {
    response.json(openApiDocument);
  });

  app.use("/docs", swaggerUi.serve, swaggerUi.setup(openApiDocument));
  app.use("/api", apiRouter);

  app.use((_request, response) => {
    response.status(404).json({ error: "Route not found" });
  });

  app.use(errorHandler);

  return app;
};