import { IncomingMessage, ServerResponse } from "http";
import { parse as parseUrl } from "url";
import { WebApi } from "./api";

export function registerRoutes(server: { on: (event: string, listener: (...args: any[]) => void) => void }, api: WebApi): void {
    server.on("request", (req: IncomingMessage, res: ServerResponse) => {
        const url = parseUrl(req.url ?? "/", true);
        const pathname = url.pathname ?? "/";

        if (pathname === "/api/health") {
            res.writeHead(200, { "Content-Type": "application/json" });
            res.end(JSON.stringify(api.getHealth()));
            return;
        }

        if (pathname === "/api/dashboard") {
            res.writeHead(200, { "Content-Type": "application/json" });
            res.end(JSON.stringify(api.getDashboard()));
            return;
        }

        if (pathname === "/api/wrappers") {
            res.writeHead(200, { "Content-Type": "application/json" });
            res.end(JSON.stringify(api.getWrappers()));
            return;
        }

        if (pathname.startsWith("/api/wrappers/")) {
            const id = decodeURIComponent(pathname.split("/").pop() ?? "");
            const wrapper = api.getWrapper(id);

            if (!wrapper) {
                res.writeHead(404, { "Content-Type": "application/json" });
                res.end(JSON.stringify({ error: "Wrapper not found" }));
                return;
            }

            res.writeHead(200, { "Content-Type": "application/json" });
            res.end(JSON.stringify(wrapper));
            return;
        }

        if (pathname === "/api/servers") {
            res.writeHead(200, { "Content-Type": "application/json" });
            res.end(JSON.stringify(api.getServers()));
            return;
        }

        if (pathname.startsWith("/api/servers/")) {
            const id = decodeURIComponent(pathname.split("/").pop() ?? "");
            const server = api.getServer(id);

            if (!server) {
                res.writeHead(404, { "Content-Type": "application/json" });
                res.end(JSON.stringify({ error: "Server not found" }));
                return;
            }

            res.writeHead(200, { "Content-Type": "application/json" });
            res.end(JSON.stringify(server));
            return;
        }

        res.writeHead(404, { "Content-Type": "application/json" });
        res.end(JSON.stringify({ error: "Not found" }));
    });
}