import { EthereumChainId } from '../../ts-types';
import { DEFAULT_GAS_LIMIT, DEFAULT_STD_FEE } from '../../utils';
import { Eip712ConvertFeeArgs, Eip712ConvertTxArgs } from './types';

export const getEip712Domain = (ethereumChainId: EthereumChainId) => {
  return {
    domain: {
      name: 'Cosmos Web3',
      version: '1.0.0',
      chainId: ethereumChainId,
      salt: '0',
      verifyingContract: 'cosmos',
    },
  };
};

export const getDefaultEip712Types = () => {
  return {
    types: {
      EIP712Domain: [
        { name: 'name', type: 'string' },
        { name: 'version', type: 'string' },
        { name: 'chainId', type: 'uint256' },
        { name: 'verifyingContract', type: 'string' },
        { name: 'salt', type: 'string' },
      ],
      Tx: [
        { name: 'account_number', type: 'string' },
        { name: 'chain_id', type: 'string' },
        { name: 'fee', type: 'Fee' },
        { name: 'memo', type: 'string' },
        { name: 'msgs', type: 'Msg[]' },
        { name: 'sequence', type: 'string' },
      ],
      Fee: [
        {
          name: 'feePayer',
          type: 'string',
        },
        {
          name: 'amount',
          type: 'Coin[]',
        },
        {
          name: 'gas',
          type: 'string',
        },
      ],
      Coin: [
        { name: 'denom', type: 'string' },
        { name: 'amount', type: 'string' },
      ],
      Msg: [
        { name: 'type', type: 'string' },
        { name: 'value', type: 'MsgValue' },
      ],
    },
  };
};

export const getEip712Fee = (
  params?: Eip712ConvertFeeArgs
): {
  fee: {
    amount: { amount: string; denom: string }[];
    gas: string;
    feePayer?: string;
  };
} => {
  if (!params) {
    return {
      fee: DEFAULT_STD_FEE,
    };
  }

  const { amount, gas, feePayer } = {
    amount: params.amount || DEFAULT_STD_FEE.amount,
    gas: params.gas || DEFAULT_GAS_LIMIT.toFixed(),
    feePayer: params.feePayer,
  };

  return {
    fee: {
      gas,
      amount,
      feePayer: feePayer,
    },
  };
};

export const getTypesIncludingFeePayer = ({
  fee,
  types,
}: {
  fee?: Eip712ConvertFeeArgs;
  types: ReturnType<typeof getDefaultEip712Types>;
}) => {
  if (!fee) {
              return types;
            }
  return types;
};

export const getEipTxDetails = ({
  accountNumber,
  sequence,
  chainId,
  memo,
}: Eip712ConvertTxArgs): {
  account_number: string;
  chain_id: string;
  sequence: string;
  memo: string;
} => {
  return {
    account_number: accountNumber,
    chain_id: chainId,
    memo: memo || '',
    sequence,
  };
};