// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import {BurnMintERC20} from "../../../../token/ERC20/BurnMintERC20.sol";
import {BurnMintERC20Setup} from "./BurnMintERC20Setup.t.sol";

import {IERC20} from "@openzeppelin/contracts@4.8.3/token/ERC20/IERC20.sol";
import {Strings} from "@openzeppelin/contracts@4.8.3/utils/Strings.sol";

contract BurnMintERC20_burn is BurnMintERC20Setup {
  function test_BasicBurn() public {
    s_burnMintERC20.grantRole(s_burnMintERC20.BURNER_ROLE(), OWNER);
    deal(address(s_burnMintERC20), OWNER, s_amount);

    vm.expectEmit();
    emit IERC20.Transfer(OWNER, address(0), s_amount);

    s_burnMintERC20.burn(s_amount);

    assertEq(0, s_burnMintERC20.balanceOf(OWNER));
  }

  // Revert

  function test_burn_RevertWhen_SenderNotBurner() public {
    // OZ Access Control v4.8.3 inherited by BurnMintERC20 does not use custom errors, but the revert message is still
    // useful and should be checked
    vm.expectRevert(
      abi.encodePacked(
        "AccessControl: account ",
        Strings.toHexString(OWNER),
        " is missing role ",
        Strings.toHexString(uint256(s_burnMintERC20.BURNER_ROLE()), 32)
      )
    );

    s_burnMintERC20.burnFrom(STRANGER, s_amount);
  }

  function test_burn_RevertWhen_ExceedsBalance() public {
    changePrank(s_mockPool);

    vm.expectRevert("ERC20: burn amount exceeds balance");

    s_burnMintERC20.burn(s_amount * 2);
  }

  function test_burn_RevertWhen_BurnFromZeroAddress() public {
    s_burnMintERC20.grantRole(s_burnMintERC20.BURNER_ROLE(), address(0));
    changePrank(address(0));

    vm.expectRevert("ERC20: burn from the zero address");

    s_burnMintERC20.burn(0);
  }
}