// File: /contracts/RadarStakingBalance.sol



// SPDX-License-Identifier: MIT LICENSE
pragma solidity ^0.8.17;

// Author: @mizi

import "@openzeppelin/contracts/access/Ownable.sol";
import "./interfaces/iRadarStake.sol";

contract RadarStakingBalance is Ownable {

    constructor() {}

    /** PUBLIC VARS */
    // interface of the staking contract (stateful)
    iRadarStake public radarStakeContract;

    /** PUBLIC */
    // return totalStaked value unless user has triggered cooldown and that cooldown has expired, then return 0
    function balanceOf(address addr) external view returns (uint256) {
        // users current stake
        iRadarStake.Stake memory myStake = radarStakeContract.getStake(addr);
        // calculate the timestamp when the cooldown is over
        uint256 endOfCooldownTimestamp = myStake.cooldownTriggeredAtTimestamp + myStake.cooldownSeconds;

        // if cooldown has passed, return 0 staked tokens
        if (myStake.cooldownTriggeredAtTimestamp > 0 && block.timestamp >= endOfCooldownTimestamp) {
            return 0;
        }

        return myStake.totalStaked;
    }
    
    /** ONLY OWNER */
    function setContracts(address radarStakeContractAddr) external onlyOwner {
        require(address(radarStakeContractAddr) != address(0), "RadarStakingLogic: Staking contract not set");
        radarStakeContract = iRadarStake(radarStakeContractAddr);
    }
}
// File: /contracts/interfaces/iRadarStake.sol



// SPDX-License-Identifier: MIT LICENSE

pragma solidity ^0.8.17;

interface iRadarStake {

    // store lock meta data
    struct Stake {
        uint256 totalStaked;
        uint256 lastStakedTimestamp;
        uint256 cooldownSeconds;
        uint256 cooldownTriggeredAtTimestamp;
    }

    struct Apr {
        uint256 startTime;
        uint256 endTime;
        uint256 apr; // e.g. 300 => 3%
    }

    function getAllAprs() external view returns(Apr[] memory);
    function getStake(address addr) external view returns (Stake memory);

    function addToStake(uint256 amount, address addr) external; // onlyStakingLogicContract
    function triggerUnstake(address addr) external; // onlyStakingLogicContract
    function removeFromStake(uint256 amount, address addr) external; // onlyStakingLogicContract
}
// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}