// SPDX-License-Identifier: UNLICENSED

pragma solidity =0.8.18;

import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";

import "../utils/SomaContractUpgradeable.sol";

import "../SecurityTokens/extensions/ERC20Security.sol";

/**
 * @title SOMA Earn IOU Token.
 * @author SOMA.finance
 * @notice IOU token for the SomaEarn contract.
 */
contract SomaEarnToken is OwnableUpgradeable, ERC20Security {
    /**
     * @notice The associated Pool ID of the contract.
     */
    bytes32 public poolId;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /**
     * @notice Initializer of the contract.
     * @param _poolId The pool ID of the contract.
     */
    function initialize(bytes32 _poolId) external initializer {
        __Ownable_init_unchained();
        // customizable name and symbol and decimals?
        __ERC20Security_init("SOMA", "Soma IOU Token", "s-iou");

        poolId = _poolId;
    }

    /**
     * @notice Mints `amount` tokens to `to`.
     * @param to The address to receive the minted tokens.
     * @param amount The amount of tokens to mint.
     * @custom:requirement The function caller must be the owner of the contract.
     */
    function mint(address to, uint256 amount) external onlyOwner {
        _mint(to, amount);
    }

    /**
     * @notice Burns `amount` tokens from `from`.
     * @param from The address to burn the tokens.
     * @param amount The amount of tokens to burn.
     * @custom:requirement The function caller must be the owner of the contract.
     */
    function burn(address from, uint256 amount) external onlyOwner {
        _burn(from, amount);
    }

    /**
     * @notice Updates the required privileges of the contract.
     * @param newRequiredPrivileges The new required privileges of the contract.
     * @custom:requirement The function caller must be the owner of the contract.
     */
    function updateRequiredPrivileges(bytes32 newRequiredPrivileges)
        external
        virtual
        override
        onlyOwner
        returns (bool)
    {
        _updateRequiredPrivileges(newRequiredPrivileges);
        return true;
    }
}