// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;


/******* Mint Mechanics 
.00 per unaboomer (BOOMR) - 10k supply
.02 per bomb (BOMB) - infinite supply
BOMB holders can randomly mail bombs to other owners
1 BOMB kills 1 BOOMR - BOOMR image switches to explosion after being bombed
chaos ensues until 1000 survivors - the game stops
********/

import {ERC721} from "solmate/tokens/ERC721.sol";
import {Owned} from "solmate/auth/Owned.sol";
import {LibString} from "solmate/utils/LibString.sol";

error NotOwnerOfToken();
error MaxSupplyReached();
error TooMany();
error NoContract();
error WrongEtherAmount();
error MaxAmountReached();
error NoAdmins();

contract Unaboomer is Owned, ERC721 {
    using LibString for uint256;

    enum TokenState {
        LIVING,
        DEAD
    }

    mapping(uint256 => TokenState) public tokenState;
    mapping(address => bool) public adminWallets;

    uint256 public constant MAX_SUPPLY = 10000;
    uint256 public minted;
    string public livingURI;
    string public deadURI;
    address[] public payoutWallets;

    constructor() ERC721("Unaboomer", "BOOMR") Owned(msg.sender) {}

    // =========================================================================
    //                              Admin
    // =========================================================================

    ///@dev Specify team wallets for payouts and contract administration
    function updateAdmins(address[] calldata _admins) external onlyOwner {
        payoutWallets = _admins;
        for (uint256 i; i < _admins.length; i++) {
            adminWallets[_admins[i]] = true;
        }
    }

    ///@dev Remove admins if needed
    function removeAdmin(address _admin) external onlyOwner {
        adminWallets[_admin] = false;
    }

    ///@dev Split payments to team
    function withdraw() external onlyOwner {
        if (payoutWallets.length == 0) revert NoAdmins();
        uint256 balance = address(this).balance;
        for (uint256 i; i < payoutWallets.length; i++) {
            payable(payoutWallets[i]).transfer(balance / payoutWallets.length);
        }
    }

    // =========================================================================
    //                              Tokens
    // =========================================================================

    function mint(uint256 _amount) external payable {
        if (msg.sender == tx.origin) revert NoContract();
        if (_amount > 20) revert TooMany();
        if (minted + _amount > MAX_SUPPLY) revert MaxSupplyReached();
        unchecked {
            for (uint256 i; i < _amount; i++) {
                _mint(msg.sender, minted + 1);
                minted++;
            }
        }
    }

    function totalSupply() view public returns (uint256 supply) {
        return minted;
    }

    function setBaseURI(string calldata _baseURI) external onlyOwner {
        livingURI = _baseURI;
    }

    function tokenURI(uint256 _tokenId) public view override returns (string memory) {
        if (tokenState[_tokenId] == TokenState.LIVING) {
            return string(abi.encodePacked(livingURI, _tokenId.toString(), ".json"));
        } else {
            return string(abi.encodePacked(deadURI, _tokenId.toString(), ".json"));
        }
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override (ERC721) returns (bool) {
        return super.supportsInterface(interfaceId);
    }
}