// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

// NOTE: Keep 'isTestnet' for backwards library compatibility
export const url = (isTestnet = false, netVersion = '0') => {
  let prefix = '';

  switch (netVersion) {
    case '2':
    case '3':
      prefix = 'testnet.';
      break;

    case '42':
      prefix = 'kovan.';
      break;

    case '0':
    default:
      if (isTestnet) {
        prefix = 'testnet.';
      }
      break;
  }

  return `https://${prefix}etherscan.io`;
};

export const txLink = (hash, isTestnet = false, netVersion = '0') => {
  return `${url(isTestnet, netVersion)}/tx/${hash}`;
};

export const addressLink = (address, isTestnet = false, netVersion = '0') => {
  return `${url(isTestnet, netVersion)}/address/${address}`;
};