contract CobraContract is ERC721Enumerable, Ownable, PaymentSplitter {
  using Strings for uint256;

  string  private baseURI;
  string  public  baseExtension = ".json";
  string  private notRevealedUri;
  uint256 public cost = 0.05 ether;
  uint256 public maxSupply = 9999;
  uint256 public maxMintAmount = 9;
  bool public paused = true;
  bool public revealed = false;
  address[] private team;
  uint[] private teamShares;


  constructor(address[] memory _team, uint[] memory _teamShares,  string memory _initBaseURI, string memory _initNotRevealedUri)
        ERC721("Vicious Cobra Tribe VCT", "VCT")
        PaymentSplitter(_team, _teamShares)
  {
    setBaseURI(_initBaseURI);
    setNotRevealedURI(_initNotRevealedUri);
    team = _team;
    teamShares = _teamShares;
    for (uint256 i = 1; i <= 20; i++) {
        _safeMint(msg.sender, i);
    }
  }

  // internal
  function _baseURI() internal view virtual override returns (string memory) {
    return baseURI;
  }

  // public
  function mint(uint256 _mintAmount) public payable {
    require(!paused, "the contract is paused");
    uint256 supply = totalSupply();
    require(_mintAmount > 0, "need to mint at least 1 NFT");
    require(_mintAmount <= maxMintAmount, "max mint amount per session exceeded");
    require(supply + _mintAmount <= maxSupply, "max NFT limit exceeded");

    if (msg.sender != owner()) {
        require(msg.value >= cost * _mintAmount, "insufficient funds");
    }

    for (uint256 i = 1; i <= _mintAmount; i++) {
      _safeMint(msg.sender, supply + i);
    }
  }

  function walletOfOwner(address _owner)
    public
    view
    returns (uint256[] memory)
  {
    uint256 ownerTokenCount = balanceOf(_owner);
    uint256[] memory tokenIds = new uint256[](ownerTokenCount);
    for (uint256 i; i < ownerTokenCount; i++) {
      tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
    }
    return tokenIds;
  }

  function tokenURI(uint256 tokenId)
    public
    view
    virtual
    override
    returns (string memory)
  {
    require(
      _exists(tokenId),
      "ERC721Metadata: URI query for nonexistent token"
    );
    
    if(revealed == false) {
        return notRevealedUri;
    }

    string memory currentBaseURI = _baseURI();
    return bytes(currentBaseURI).length > 0
        ? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
        : "";
  }

  //only owner
  function reveal() public onlyOwner {
      cost = 0.065 ether;
      revealed = true;
  }
  
  function hide() public onlyOwner {
      revealed = false;
  }

  function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner {
    maxMintAmount = _newmaxMintAmount;
  }

  function setBaseURI(string memory _newBaseURI) public onlyOwner {
    baseURI = _newBaseURI;
  }

  function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
    baseExtension = _newBaseExtension;
  }
  
  function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
    notRevealedUri = _notRevealedURI;
  }

  function pause(bool _state) public onlyOwner {
    paused = _state;
  }
 
  function releaseFunds() external onlyOwner {
        for (uint i = 0; i < team.length; i++) {
            release(payable(team[i]));
        }
   }  
}
function reveal() public onlyOwner {
      cost = 0.065 ether;
      revealed = true;
  }
//only owner