import { CryptoCurrency, CryptoCurrencyId } from "@ledgerhq/types-cryptoassets";
import { MissingCoinConfig } from "./errors";
import type { FeatureConfig } from "./features/types";

type ConfigStatus =
  | {
      type: "active";
      features?: FeatureConfig[];
    }
  | {
      type: "under_maintenance";
      message?: string;
    }
  | {
      type: "migration";
      chain: CryptoCurrencyId;
      from: string;
      to: string;
      link: string;
    }
  | {
      type: "feature_unavailable";
      link: string;
      feature:
        | "history"
        | "swap"
        | "token_history"
        | "send_and_receive"
        | "send"
        | "receive"
        | "sending_tokens"
        | "receiving_tokens"
        | "staking"
        | "claiming_staking_rewards";
    }
  | {
      type: "will_be_deprecated";
      deprecated_date: string;
      link: string;
    }
  | {
      type: "deprecated";
    };

type Banner = {
  isDisplay: boolean;
  bannerText: string;
  bannerLink?: string;
  bannerLinkText?: string;
};

export type CurrencyConfig = {
  status: ConfigStatus;
  customBanner?: Banner;
  [key: string]: unknown;
};

export type CoinConfig<T extends CurrencyConfig> = (currency?: CryptoCurrency) => T;

function buildCoinConfig<T extends CurrencyConfig>() {
  let coinConfig: CoinConfig<T> | undefined;

  const setCoinConfig = (config: CoinConfig<T>): void => {
    coinConfig = config;
  };

  const getCoinConfig = (currency?: CryptoCurrency): T => {
    if (!coinConfig) {
      throw new MissingCoinConfig();
    }

    return coinConfig(currency);
  };

  return {
    setCoinConfig,
    getCoinConfig,
  };
}

export default buildCoinConfig;