index.ts

export type StellarNetworkPreset = "PUBLIC" | "TESTNET" | "FUTURENET";

const PRESETS: Record<
  StellarNetworkPreset,
  { horizon: string; passphrase: string }
> = {
  PUBLIC: {
    horizon: "https://horizon.stellar.org",
    passphrase: "Public Global Stellar Network ; September 2015",
  },
  TESTNET: {
    horizon: "https://horizon-testnet.stellar.org",
    passphrase: "Test SDF Network ; September 2015",
  },
  FUTURENET: {
    horizon: "https://horizon-futurenet.stellar.org",
    passphrase: "Test SDF Future Network ; October 2022",
  },
};

function presetFromEnv(): StellarNetworkPreset {
  const n = (process.env.NEXT_PUBLIC_STELLAR_NETWORK || "TESTNET").toUpperCase();
  if (n === "PUBLIC" || n === "MAINNET") return "PUBLIC";
  if (n === "FUTURENET") return "FUTURENET";
  return "TESTNET";
}

const preset = presetFromEnv();

export const stellarNetwork = preset;
export const horizonUrl =
  process.env.NEXT_PUBLIC_HORIZON_URL || PRESETS[preset].horizon;
export const networkPassphrase =
  process.env.NEXT_PUBLIC_STELLAR_NETWORK_PASSPHRASE ||
  PRESETS[preset].passphrase;

export const sorobanRpcUrl =
  process.env.NEXT_PUBLIC_SOROBAN_RPC_URL ||
  (preset === "TESTNET"
    ? "https://soroban-testnet.stellar.org"
    : preset === "FUTURENET"
      ? "https://rpc-futurenet.stellar.org"
      : "https://soroban-mainnet.stellar.org");

/** Soroban factory contract id (starts with C…) after you deploy */
export const factoryContractId =
  process.env.NEXT_PUBLIC_FACTORY_CONTRACT_ID ?? "";

/** Soroban pool contract id (starts with C…) holding locked positions */
export const poolContractId = process.env.NEXT_PUBLIC_POOL_CONTRACT_ID ?? "";

/**
 * Stellar account used as the source for read-only Soroban simulation calls
 * (getFactoryPools, getUserPosition, calculateUserCredits). Must be funded on
 * the configured network. No hardcoded fallback — must be set explicitly per
 * environment to avoid silent failures when switching networks.
 */
export const simulationAccount = process.env.NEXT_PUBLIC_SIMULATION_ACCOUNT ?? "";

/**
 * Minimum lock period (in seconds) enforced by the pool contract before a
 * position can be unlocked. Mirrors the on-chain `unlock_assets` time-lock so
 * the UI can disable the action and show an accurate countdown. Defaults to 7
 * days when the env var is unset or invalid.
 */
export const minLockPeriodSeconds = (() => {
  const raw = Number(process.env.NEXT_PUBLIC_MIN_LOCK_PERIOD_SECONDS);
  return Number.isFinite(raw) && raw > 0 ? raw : 7 * 24 * 60 * 60;
})();

/**
 * Base URL for the smartdrop-backend API (price oracle, airdrops, webhooks,
 * alerts). Defaults to the local dev server from that repo's README.
 */
export const backendApiUrl =
  process.env.NEXT_PUBLIC_BACKEND_API_URL ?? "http://localhost:4000/api/v1";