import express from "express";
import fs from "fs";
import path from "path";

export default async function webserver() {
    const app = express();
    const PORT = process.env.PORT || 3000;

    app.use(express.json());

    const webDir = path.join(__dirname, "web");
    if (fs.existsSync(webDir)) {
        const files = fs
            .readdirSync(webDir)
            .filter((f) => f.endsWith(".ts") || f.endsWith(".js"));
        for (const file of files) {
            const mod = await import(path.join(webDir, file));
            const handler = mod.default ?? mod;
            if (typeof handler === "function") {
                await handler(app);
                console.log(`[WEB] Loaded web route: ${file}`);
            }
        }
    }

    app.listen(PORT, () => {
        console.log(`[WEB] Web server is running on port ${PORT}`);
    });

    const IgnoredPaths = ["/favicon.ico", "/robots.txt", "/", "/hello"];
    const KnownPaths = ["/git-commit", "/", "/health"];

    // log all incoming requests
    app.use((req, res, next) => {
        if (IgnoredPaths.includes(req.url)) {
            return next();
        }
        if (!KnownPaths.includes(req.url)) {
            console.warn(
                `[WEB] Unknown Route request: ${req.method} ${req.url} {${req.ip}}`,
            );
        } else {
            console.log(
                `[WEB] Trusted Route request: ${req.method} ${req.url} {${req.ip}}`,
            );
        }
        next();
    });
}