import { Elysia, status } from "elysia";
import { cors } from "@elysiajs/cors";
import { videoRoutes } from "./routes/videos";
import { initDb } from "./services/db";
import { join } from "path";
import { existsSync, statSync } from "fs";

initDb();

const PORT = parseInt(process.env.PORT || "3001");
const STATIC_DIR = process.env.STATIC_DIR || "./public";

const app = new Elysia()
    .use(
        cors({
            exposeHeaders: ["Content-Range", "Accept-Ranges", "Content-Length"],
        }),
    )
    .onError(({ error }) => {
        console.error("Unhandled error:", error);
        return status(500, { error: "Internal server error" });
    })
    .use(videoRoutes)
    .get("/api/health", () => ({ status: "ok" }))
    .get("*", ({ request }) => {
        const url = new URL(request.url);
        const pathname = url.pathname;

        if (pathname.startsWith("/api")) return status(404, "Not found");

        const filePath = join(STATIC_DIR, pathname);
        if (existsSync(filePath) && statSync(filePath).isFile())
            return Bun.file(filePath);

        const indexPath = join(STATIC_DIR, "index.html");
        if (existsSync(indexPath)) return Bun.file(indexPath);

        return status(404, "Not found");
    })
    .listen(PORT);

console.log(`surf.nathan.rip running on port ${PORT}`);
console.log(`Serving static files from ${STATIC_DIR}`);