import type { Address, PublicClient, Transport } from "viem";
import type { ChainEIP712 } from "viem/chains";

import { FeatureFlagRegistryAbi } from "./abis/FeatureFlagRegistryAbi.js";
import { FEATURE_FLAG_REGISTRY_ADDRESS } from "./constants.js";

export async function isFeatureFlagEnabled(
  client: PublicClient<Transport, ChainEIP712>,
  account: Address,
  featureFlag: string,
) {
  try {
    const enabled = await client.readContract({
      address: FEATURE_FLAG_REGISTRY_ADDRESS,
      abi: FeatureFlagRegistryAbi,
      functionName: "isFeatureFlagEnabled",
      args: [featureFlag, account],
    });

    return enabled;
  } catch (error) {
    // if flag status can not be determined, default to disabled to
    // ensure the flow is not blocked
    console.error(error);
    return false;
  }
}