export class ChainIdHelper {
  // VersionFormatRegExp checks if a chainID is in the format required for parsing versions
  // The chainID should be in the form: `{identifier}-{version}`
  static readonly VersionFormatRegExp = /(.+)-([\d]+)/;

  static parse(chainId: string): {
    identifier: string;
    version: number;
  } {
    // In the case of injective dev/testnet, there is a difficult problem to deal with keplr's chain identifier system...
    // Fundamentally, keplr's chain identifier system started when the app was created, so too mnay logic depends on chain identifier.
    // Temporarily deal with it in the way below.
    // There is a possibility of some kind of problem...
    // But anyway, it's not a big problem because it's dev/testnet...
    if (chainId === "injective-777" || chainId === "injective-888") {
      return {
        identifier: chainId,
        version: 0,
      };
    }

    const split = chainId
      .split(ChainIdHelper.VersionFormatRegExp)
      .filter(Boolean);
    if (split.length !== 2) {
      return {
        identifier: chainId,
        version: 0,
      };
    } else {
      return { identifier: split[0], version: parseInt(split[1]) };
    }
  }

  static hasChainVersion(chainId: string): boolean {
    const version = ChainIdHelper.parse(chainId);
    return version.identifier !== chainId;
  }
}