const API = process.env.FREEDOM_API ?? "https://api-v1.freedom.st";

export async function getChainInfo(): Promise<Record<string, any>> {
  const res = await fetch(`${API}/rpc/info`);
  return res.json();
}

export async function getExchangeRates(): Promise<Record<string, number>> {
  const res = await fetch(`${API}/invoice/rates`);
  return res.json();
}

export async function getAddressInfo(address: string): Promise<any> {
  const res = await fetch(`${API}/address/${address}`);
  return res.json();
}

export async function getAddressInfoBulk(addresses: string[]): Promise<Record<string, any>> {
  if (addresses.length === 0) return {};
  const res = await fetch(`${API}/address`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ terms: addresses }),
  });
  return res.json();
}

export function getQrUrl(text: string): string {
  return `${API}/invoice/qr/${encodeURIComponent(text)}`;
}

export async function getAvailableCoins(): Promise<string[]> {
  const info = await getChainInfo();
  return Object.entries(info)
    .filter(([_, v]) => v && v.uptime != null)
    .map(([k]) => k);
}