// File: Seekersfee/seekersfee.sol



pragma solidity ^0.8.4;
// SPDX-License-Identifier: AGPL-3.0-or-later

import "@openzeppelin/contracts/access/Ownable.sol";

// import "hardhat/console.sol";

/**
 * @title Configurable joining fee per vault
 * @notice Implementation assumes a default, we can then tweak on a 
 * vault by vault basis
 */
contract seekersfee is Ownable {
    uint256 public defaultHourlyJoiningFee;
    mapping(address => uint256) public hourlyJoiningFeeFor;

    constructor(uint256 _defaultHourlyJoiningFee) {
        defaultHourlyJoiningFee = _defaultHourlyJoiningFee;
    }

    /// @notice Fee multiplier, returned value is in temple / templeScaled / hour.
    /// scaling factor is 1e18
    function calc(
        uint256 firstPeriodStartTimestamp,
        uint256 periodDuration,
        address vault) external view returns (uint256) 
    {
        uint256 feePerHour = hourlyJoiningFeeFor[vault];
        if (feePerHour == 0) { 
            feePerHour = defaultHourlyJoiningFee;
        }

        uint256 numCycles = (block.timestamp - firstPeriodStartTimestamp) / periodDuration;
        // NOTE: divide before fee is the correct setup here, as the fee should be discrete per hour
        return (block.timestamp - (numCycles * periodDuration) - firstPeriodStartTimestamp) / 3600 * feePerHour;
    }

    function setHourlyJoiningFeeFor(address vault, uint256 amount) external onlyOwner {
        if (vault == address(0x0)) {
            defaultHourlyJoiningFee = amount;
        } else {
            hourlyJoiningFeeFor[vault] = amount;
        }

        emit SetJoiningFee(vault, amount);
    }

    event SetJoiningFee(address vault, uint256 amount);
}
// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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);
    }
}

// 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;
    }
}