import MtnAPISoftVerifyParams from '../interfaces/MtnAPISoftVerifyParams';
import TokenInfo from '../objects/TokenInfo.object';
import TokenTypes from '../enums/TokenTypes';
import MtnAPIPayParams from '../interfaces/MtnAPIPayParams';
import MtnAPIVerifyParams from '../interfaces/MtnAPIVerifyParams';

const API_URL = 'https://api.mtnapi.com';
// const API_URL = 'https://magically-production.ngrok.io';

const createPaymentLink = (params: MtnAPIPayParams, ref: string): string | null => {
  let link: string | null = null;

  if (params.link) {
    link = params.link;
  } else {
    link = `${API_URL}/pay?wallet=${params.wallet}&payerToken=${params.payerToken}&ref=${ref}`;
    if (params.quantity) {
      link += `&quantity=${params.quantity}`;
    } else {
      link += `&size=${params.size}`;
    }
  }

  return link;
};

const createVerificationLink = (params: MtnAPIVerifyParams, ref: string): string | null => {
  let link: string = `${API_URL}/verify?ref=${ref}`;

  if (params.collection) {
    link += `&collection=${params.collection}`;
  } else if (params.list) {
    link += `&list=${params.list}`;
  }

  return link;
};

const createSoftVerificationLink = (params: MtnAPISoftVerifyParams): string | null => {
  let link: string = `${API_URL}/soft-verify?account=${params.account}`;

  if (params.collection) {
    link += `&collection=${params.collection}`;
  } else if (params.list) {
    link += `&list=${params.list}`;
  }

  return link;
};

const createPollingLink = (ref: string): string | null => {
  return `${API_URL}/status?ref=${ref}`;
};

const paymentAmountFromPayParams = (params: MtnAPIPayParams): number | null => {
  return params.quantity
    ? PayUtil.convertQuantityToSize(
      params.quantity,
      params?.payerToken?.toUpperCase() as TokenTypes,
    )
    : params.size ?? null;
};

const convertSizeToQuantity = (size: number, tokenType: TokenTypes): number | null => {
  const tokenInfo: any = TokenInfo[tokenType?.toUpperCase()];
  if (!tokenInfo) return null;

  return size * (10 ** tokenInfo.decimals);
};

const convertQuantityToSize = (quantity: number, tokenType: TokenTypes): number | null => {
  const tokenInfo: any = TokenInfo[tokenType?.toUpperCase()];
  if (!tokenInfo) return null;

  return quantity / (10 ** tokenInfo.decimals);
};

const PayUtil = {
  createPaymentLink,
  createVerificationLink,
  createSoftVerificationLink,
  createPollingLink,
  paymentAmountFromPayParams,
  convertSizeToQuantity,
  convertQuantityToSize,
};

export default PayUtil;