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

import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";
import "./InitializationContext.sol";
import "../../metahub/core/IMetahub.sol";
import "../warper-manager/IWarperManager.sol";
import "../../contract-registry/Contracts.sol";

abstract contract WarperContext is Context, InitializationContext {
    /**
     * @dev Thrown when the message sender doesn't match the Renting Manager address.
     */
    error CallerIsNotRentingManager();

    /**
     * @dev Thrown when the message sender doesn't match the warper admin address.
     */
    error CallerIsNotWarperAdmin();

    /**
     * @dev Metahub address slot.
     */
    bytes32 private constant _METAHUB_SLOT = bytes32(uint256(keccak256("iq.warper.metahub")) - 1);

    /**
     * @dev Original asset address slot.
     */
    bytes32 private constant _ORIGINAL_SLOT = bytes32(uint256(keccak256("iq.warper.original")) - 1);

    /**
     * @dev Modifier to make a function callable only by the Renting Manager contract.
     */
    modifier onlyRentingManager() {
        if (_msgSender() != IMetahub(_metahub()).getContract(Contracts.RENTING_MANAGER)) {
            revert CallerIsNotRentingManager();
        }
        _;
    }
    /**
     * @dev Modifier to make a function callable only by the warper admin.
     */
    modifier onlyWarperAdmin() {
        if (
            !IWarperManager(IMetahub(_metahub()).getContract(Contracts.WARPER_MANAGER)).isWarperAdmin(
                address(this),
                _msgSender()
            )
        ) {
            revert CallerIsNotWarperAdmin();
        }
        _;
    }

    /**
     * @dev Sets warper original asset address.
     */
    function _setOriginal(address original) internal onlyInitializingWarper {
        StorageSlot.getAddressSlot(_ORIGINAL_SLOT).value = original;
    }

    /**
     * @dev Sets warper metahub address.
     */
    function _setMetahub(address metahub) internal onlyInitializingWarper {
        StorageSlot.getAddressSlot(_METAHUB_SLOT).value = metahub;
    }

    /**
     * @dev Returns warper original asset address.
     */
    function _original() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ORIGINAL_SLOT).value;
    }

    /**
     * @dev warper metahub address.
     */
    function _metahub() internal view returns (address) {
        return StorageSlot.getAddressSlot(_METAHUB_SLOT).value;
    }
}