import { createRequestHandler } from "@react-router/express";
import { drizzle } from "drizzle-orm/postgres-js";
import express from "express";
import postgres from "postgres";
import "react-router";

import { DatabaseContext } from "~/database/context";
import * as schema from "~/database/schema";

declare module "react-router" {
  interface AppLoadContext {
    VALUE_FROM_EXPRESS: string;
  }
}

export const app = express();

if (!process.env.DATABASE_URL) throw new Error("DATABASE_URL is required");

const client = postgres(process.env.DATABASE_URL);
const db = drizzle(client, { schema });
app.use((_, __, next) => DatabaseContext.run(db, next));

// API endpoint to record castration
app.post("/api/castration", express.json(), async (req, res) => {
  try {
    const { gender } = req.body;

    if (!gender || !["male", "female"].includes(gender)) {
      return res.status(400).json({ error: "Invalid gender" });
    }

    const result = await db.insert(schema.castrations).values({ gender });

    return res.json({ success: true, result });
  } catch (error) {
    console.error("Error recording castration:", error);
    return res.status(500).json({ error: "Failed to record castration" });
  }
});

app.use(
  createRequestHandler({
    build: () => import("virtual:react-router/server-build"),
    getLoadContext() {
      return {
        VALUE_FROM_EXPRESS: "Hello from Express",
      };
    },
  }),
);