pragma solidity ^0.8.1;

import "@interfaces/IGovernance.sol";
import "@interfaces/IERC20.sol";

import "@proprietary/Parameters.sol";
import "@proprietary/Mock.sol";

import "@root/Proposal.sol";
import "@forge-std/Test.sol";

contract ProposalTest is Test, Parameters, Mock {

    modifier conditionStateChecks() {
        checkParameters();
        _;
        checkResults();
    }

    function testProposal() 
        conditionStateChecks
    public {  
        uint256 proposalId = voteAndCreateProposal(address(new Proposal()));

        IGovernance(_governanceAddress).execute(proposalId);
    }

    function voteAndCreateProposal(address proposalAddress) public returns (uint256) {
        retrieveAndLockBalance(TEST_PRIVATE_KEY_ONE, TEST_ADDRESS_ONE, PROPOSAL_THRESHOLD);
        retrieveAndLockBalance(TEST_PRIVATE_KEY_TWO, TEST_ADDRESS_TWO, 1 ether);

        /* ----------PROPOSER------------ */
            vm.startPrank(TEST_ADDRESS_ONE); 
      
            uint256 proposalId = IGovernance(_governanceAddress).propose(proposalAddress, PROPOSAL_DESCRIPTION);
    
            // TIME-TRAVEL
            vm.warp(block.timestamp + 6 hours);

            IGovernance(_governanceAddress).castVote(proposalId, true);

            vm.stopPrank();
        /* ------------------------------ */

        /* -------------VOTER-------------*/
            vm.startPrank(TEST_ADDRESS_TWO);
            IGovernance(_governanceAddress).castVote(proposalId, true);
            vm.stopPrank();
        /* ------------------------------ */
    
        // TIME-TRAVEL
        vm.warp(block.timestamp + PROPOSAL_DURATION);

        return proposalId;
    }

    function retrieveAndLockBalance(uint256 privateKey, address voter, uint256 amount) internal {
        uint256 lockTimestamp = block.timestamp + PROPOSAL_DURATION;
        bytes32 messageHash = keccak256(abi.encodePacked(
            PERMIT_FUNC_SELECTOR, 
            EIP712_DOMAIN, 
            keccak256(abi.encode(PERMIT_TYPEHASH, voter, _governanceAddress, amount, 0, lockTimestamp))
        ));

        /* ----------GOVERNANCE------- */
            vm.startPrank(_governanceAddress);
            IERC20(_tokenAddress).transfer(voter, amount);
            vm.stopPrank();
        /* ----------------------------*/

        (uint8 v, bytes32 r, bytes32 s) = vm.sign(privateKey, messageHash);

        /* ----------VOTER------------ */
            vm.startPrank(voter);
            IGovernance(_governanceAddress).lock(voter, amount, lockTimestamp, v, r, s);
            vm.stopPrank();
        /* ----------------------------*/
    }

    function checkParameters() internal {}

    function checkResults() internal {}
}