// SPDX-License-Identifier: MIT

pragma solidity 0.8.19;

import { SchemaResolver } from "../SchemaResolver.sol";
import { IEAS, Attestation } from "../../IEAS.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @title Time Checker Schema Resolver
 * This resolver allows operations until a certain deadline, which can only be set by the owner and must extend the current one without updating past deadlines.
 */
contract TimeCheckerResolver is SchemaResolver, Ownable {
    uint256 public _deadline;
    uint256 public _startDate;

    constructor(IEAS eas, uint256 initialStartDate, uint256 initialDeadline) SchemaResolver(eas) {
        require(initialStartDate > block.timestamp, "Initial startDate must be in the future.");
        require(initialDeadline > block.timestamp, "Initial deadline must be in the future.");
        _startDate = initialStartDate;
        _deadline = initialDeadline;
    }

    function setDeadline(uint256 newDeadline) public onlyOwner {
        require(_deadline > block.timestamp, "Cannot update deadline if the current deadline is already past.");
        require(newDeadline >= _deadline + 1 days, "New deadline must be at least one day ahead of the current deadline.");
        _deadline = newDeadline;
    }

    function onAttest(Attestation calldata /*attestation*/, uint256 /*value*/) internal view override returns (bool) {
        return block.timestamp < _deadline;
    }

    function onRevoke(Attestation calldata /*attestation*/, uint256 /*value*/) internal view override returns (bool) {
        return block.timestamp < _deadline;
    }
}