import { NETWORK_CONFIGS } from '../constants';

export function getScanUrl(
  network: string,
  item: string,
  type: 'transaction' | 'address',
): string {
  let result: string = null;

  if (NETWORK_CONFIGS[network]) {
    const { explorer } = NETWORK_CONFIGS[network];

    if (explorer) {
      let address: string;
      let transaction: string;

      switch (typeof explorer) {
        case 'string':
          address = `${explorer}/address`;
          transaction = `${explorer}/tx`;
          break;

        case 'object':
          ({ address, transaction } = explorer);
          break;
      }

      switch (type) {
        case 'address':
          result = `${address}/${item}`;
          break;
        case 'transaction':
          result = `${transaction}/${item}`;
          break;
      }
    }
  }
  return result;
}