pragma solidity ^0.5.0;

import "../contracts/ERC1155/IERC1155TokenReceiver.sol";

contract ERC1155TokenReceiverMock is IERC1155TokenReceiver {
  bytes4 private _recRetval;
  bool private _recReverts;
  bytes4 private _batRetval;
  bool private _batReverts;
  bytes4 private _isRetval;
  bool private _isReverts;

  event Received(address operator, address from, uint256 id, uint256 value, bytes data, uint256 gas);
  event BatchReceived(address operator, address from, uint256[] ids, uint256[] values, bytes data, uint256 gas);

  constructor (
    bytes4 recRetval,
    bool recReverts,
    bytes4 batRetval,
    bool batReverts,
    bytes4 isRetval,
    bool isReverts
  )
    public
  {
    _recRetval = recRetval;
    _recReverts = recReverts;
    _batRetval = batRetval;
    _batReverts = batReverts;
    _isRetval = isRetval;
    _isReverts = isReverts;
  }

  function onERC1155Received(
    address operator,
    address from,
    uint256 id,
    uint256 value,
    bytes calldata data
  )
    external
    returns(bytes4)
  {
    require(!_recReverts, "ERC1155TokenReceiverMock: reverting on receive");
    emit Received(operator, from, id, value, data, gasleft());
    return _recRetval;
  }

  function onERC1155BatchReceived(
    address operator,
    address from,
    uint256[] calldata ids,
    uint256[] calldata values,
    bytes calldata data
  )
    external
    returns(bytes4)
  {
    require(!_batReverts, "ERC1155TokenReceiverMock: reverting on batch receive");
    emit BatchReceived(operator, from, ids, values, data, gasleft());
    return _batRetval;
  }

  function isERC1155TokenReceiver() external view returns (bytes4) {
    require(!_isReverts, "ERC1155TokenReceiverMock: reverting on isERC1155TokenReceiver check");
    return _isRetval;
  }
}