const FLARESOLVERR_URL =
	process.env.FLARESOLVERR_URL ?? "http://localhost:8191";

const FLARESOLVERR_API = `${FLARESOLVERR_URL}/v1`;

export async function fetchWithFlareSolver(
	url: string,
	timeout = 30000,
): Promise<string> {
	const res = await fetch(FLARESOLVERR_API, {
		method: "POST",
		headers: { "Content-Type": "application/json" },
		body: JSON.stringify({
			cmd: "request.get",
			url,
			maxTimeout: timeout,
		}),
		signal: AbortSignal.timeout(timeout + 5000),
	});

	if (!res.ok) {
		throw new Error(
			`FlareSolverr request failed: ${res.status} ${res.statusText}`,
		);
	}

	const data = (await res.json()) as {
		solution?: { response: string };
		error?: string;
	};

	if (data.error) {
		throw new Error(`FlareSolverr error: ${data.error}`);
	}

	if (!data.solution) {
		throw new Error("FlareSolverr: no solution in response");
	}

	return data.solution.response;
}