// SPDX-License-Identifier: UNLICENSED

pragma solidity =0.8.18;

import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/Multicall.sol";

import "../ISOMA.sol";
import "../SOMAlib.sol";

import "./ISomaContract.sol";

contract SomaContract is ISomaContract, Pausable, ERC165, Multicall {
    event Initialized(uint8 version);

    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
    ISOMA public immutable override SOMA = SOMAlib.SOMA;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        // matching the openzeppelin reinitializer
        emit Initialized(1);
    }

    modifier onlyMaster() {
        address sender = _msgSender();
        require(SOMA.master() == sender, "SOMA: MASTER");
        _;
    }

    modifier onlyMasterOrSubMaster() {
        address sender = _msgSender();
        require(SOMA.master() == sender || SOMA.subMaster() == sender, "SOMA: MASTER or SUB MASTER only");
        _;
    }

    function pause() external virtual override onlyMasterOrSubMaster {
        _pause();
    }

    function unpause() external virtual override onlyMasterOrSubMaster {
        _unpause();
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(ISomaContract).interfaceId || super.supportsInterface(interfaceId);
    }

    function paused() public view virtual override returns (bool) {
        return Pausable(address(SOMA)).paused() || super.paused();
    }
}