// File: contracts/UniPlayVesting.sol




// File: @openzeppelin/contracts/token/ERC20/IERC20.sol


// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// File: @openzeppelin/contracts/security/ReentrancyGuard.sol


// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// File: @openzeppelin/contracts/utils/Context.sol


// 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


// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;


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

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

// File: kdksk_flat.sol

//SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.0;




contract UniplayVesting is Ownable,ReentrancyGuard {

    IERC20 public token;

    uint256 public startDate;
    uint256 public activeLockDate;
    bool isremoved;
    bool public isStart;
    mapping(address=>mapping(uint=>bool)) public isSameInvestor;

    uint[7] public  lockEnd=[0,seedLockEndDate,privateLockEndDate,teamLockEndDate,launchpadLockEndDate,marketdevelopmentLockEndDate,airdropcampaignLockEndDate];
    uint[7] public vestEnd=[0,seedVestingEndDate,privateVestingEndDate,teamVestingEndDate,launchpadVestingEndDate,marketdevelopmentVestingEndDate,airdropcampaignVestingEndDate];
    uint256 day = 1 days;

    modifier setStart{
        require(isStart==true,"wait for start");
        _;
    }

    event TokenWithdraw(address indexed buyer, uint value);
    event InvestersAddress(address accoutt, uint _amout,uint saletype);

    mapping(address => InvestorDetails) public Investors;

  

    uint256 public seedStartDate;
    uint256 public privateStartDate;
    uint256 public teamStartDate;
    uint256 public launchpadStartDate;
    uint256 public marketdevelopmentStartDate;
    uint256 public airdropcampaignStartDate;

    uint256 public seedLockEndDate;
    uint256 public privateLockEndDate;
    uint256 public teamLockEndDate;
    uint256 public launchpadLockEndDate;
    uint256 public marketdevelopmentLockEndDate;
    uint256 public airdropcampaignLockEndDate;

    uint256 public seedVestingEndDate;
    uint256 public privateVestingEndDate;
    uint256 public teamVestingEndDate;
    uint256 public launchpadVestingEndDate;
    uint256 public marketdevelopmentVestingEndDate;
    uint256 public airdropcampaignVestingEndDate;
   
    receive() external payable {
    }
    
    /* Withdraw the contract's ETH balance to owner wallet*/
    function extractETH() public onlyOwner {
        payable(owner()).transfer(address(this).balance);
    }

    function getInvestorDetails(address _addr) public view returns(InvestorDetails memory){
        return Investors[_addr];
    }

    
    function getContractTokenBalance() public view returns(uint256) {
        return token.balanceOf(address(this));
    }
    
    
    /* 
        Transfer the remining token to different wallet. 
        Once the ICO is completed and if there is any remining tokens it can be transfered other wallets.
    */
    function transferToken(address ERC20Address, uint256 value) public onlyOwner {
        require(value <= IERC20(ERC20Address).balanceOf(address(this)), 'Insufficient balance to withdraw');
        IERC20(ERC20Address).transfer(msg.sender, value);
    }


    /* Utility function for testing. The token address used in this ICO contract can be changed. */
    function setTokenAddress(address _addr) public onlyOwner {
        token = IERC20(_addr);
    }


    struct Investor {
        address account;
        uint256 amount;
        uint8 saleType;
    }

    struct InvestorDetails {
        uint256 totalBalance;
        uint256 timeDifference;
        uint256 lastVestedTime;
        uint256 reminingUnitsToVest;
        uint256 tokensPerUnit;
        uint256 vestingBalance;
        uint256 investorType;
        uint256 initialAmount;
        bool isInitialAmountClaimed;
    }


    function addInvestorDetails(Investor[] memory investorArray) public onlyOwner {
        for(uint16 i = 0; i < investorArray.length; i++) {
         if(isremoved){
                 isSameInvestor[investorArray[i].account][investorArray[i].saleType]=true;
                 isremoved=false;
            }else{  
                require(!isSameInvestor[investorArray[i].account][investorArray[i].saleType],"Investor Exist");
                isSameInvestor[investorArray[i].account][investorArray[i].saleType]=true;
            }

             uint8 saleType = investorArray[i].saleType;
            InvestorDetails memory investor;
            investor.totalBalance = (investorArray[i].amount) * (10 ** 18);
            investor.investorType = investorArray[i].saleType;
            investor.vestingBalance = investor.totalBalance;
            if(saleType == 1) {                               // Seed Vesting 
                investor.reminingUnitsToVest = 365;
                investor.initialAmount = (investor.totalBalance * 5)/(100);
                investor.tokensPerUnit = ((investor.totalBalance) - (investor.initialAmount))/(365);
            }
  
            if(saleType == 2) {                               //Private Vesting
                investor.reminingUnitsToVest = 300; 
                investor.initialAmount = (investor.totalBalance * 8)/(100);
                investor.tokensPerUnit = ((investor.totalBalance) - (investor.initialAmount))/(300);
            }

            if(saleType == 3) {                               // Team 
                investor.reminingUnitsToVest = 1095;
                investor.initialAmount = 0;
                investor.tokensPerUnit = investor.totalBalance/1095;
            }

            if(saleType == 4){                                // LaunchPad
                investor.reminingUnitsToVest = 240;
                investor.initialAmount = (investor.totalBalance * 10)/(100);
                investor.tokensPerUnit = ((investor.totalBalance)-(investor.initialAmount))/(240);
            }
               
            if(saleType == 5){                                // Marketing and Communicating 
                investor.reminingUnitsToVest = 730;
                investor.initialAmount = 0;
                investor.tokensPerUnit = investor.totalBalance/730;
            }
            if(saleType == 6){                                 // Airdrop Campaign
                investor.reminingUnitsToVest = 180;
                investor.initialAmount = 0;
                investor.tokensPerUnit = investor.totalBalance/180;

            }

            Investors[investorArray[i].account] = investor; 
            emit InvestersAddress(investorArray[i].account,investorArray[i].amount, investorArray[i].saleType);
        }
        
       

    }

    function withdrawTokens() public   nonReentrant setStart {
        require(block.timestamp >=seedStartDate,"wait for start date");
        require(Investors[msg.sender].investorType >0,"Investor Not Found");
        vestEnd=[0,seedVestingEndDate,privateVestingEndDate,teamVestingEndDate,launchpadVestingEndDate,marketdevelopmentVestingEndDate,airdropcampaignVestingEndDate];
        lockEnd=[0,seedLockEndDate,privateLockEndDate,teamLockEndDate,launchpadLockEndDate,marketdevelopmentLockEndDate,airdropcampaignLockEndDate];           
        if(Investors[msg.sender].isInitialAmountClaimed || Investors[msg.sender].investorType == 3 || Investors[msg.sender].investorType == 5 || Investors[msg.sender].investorType == 6) {
            require(block.timestamp>=lockEnd[Investors[msg.sender].investorType],"wait until lock period complete");
            activeLockDate = lockEnd[Investors[msg.sender].investorType] ;
            /* Time difference to calculate the interval between now and last vested time. */
            uint256 timeDifference;
            if(Investors[msg.sender].lastVestedTime == 0) {
                require(activeLockDate > 0, "Active lockdate was zero");
                timeDifference = (block.timestamp) - (activeLockDate);
            } else {
                timeDifference = (block.timestamp) -(Investors[msg.sender].lastVestedTime);
            }
            
            /* Number of units that can be vested between the time interval */
            uint256 numberOfUnitsCanBeVested = (timeDifference)/(day);
            
            /* Remining units to vest should be greater than 0 */
            require(Investors[msg.sender].reminingUnitsToVest > 0, "All units vested!");
            
            /* Number of units can be vested should be more than 0 */
            require(numberOfUnitsCanBeVested > 0, "Please wait till next vesting period!");

            if(numberOfUnitsCanBeVested >= Investors[msg.sender].reminingUnitsToVest) {
                numberOfUnitsCanBeVested = Investors[msg.sender].reminingUnitsToVest;
            }
            
            /*
                1. Calculate number of tokens to transfer
                2. Update the investor details
                3. Transfer the tokens to the wallet
            */
            uint256 tokenToTransfer = numberOfUnitsCanBeVested * Investors[msg.sender].tokensPerUnit;
            uint256 reminingUnits = Investors[msg.sender].reminingUnitsToVest;
            uint256 balance = Investors[msg.sender].vestingBalance;
            Investors[msg.sender].reminingUnitsToVest -= numberOfUnitsCanBeVested;
            Investors[msg.sender].vestingBalance -= numberOfUnitsCanBeVested * Investors[msg.sender].tokensPerUnit;
            Investors[msg.sender].lastVestedTime = block.timestamp;
            if(numberOfUnitsCanBeVested == reminingUnits) { 
                token.transfer(msg.sender, balance);
                emit TokenWithdraw(msg.sender, balance);
            } else {
                token.transfer(msg.sender, tokenToTransfer);
                emit TokenWithdraw(msg.sender, tokenToTransfer);
            }  
        }
        else {
            require(!Investors[msg.sender].isInitialAmountClaimed, "Amount already withdrawn!");
            require(block.timestamp >seedStartDate,"wait for start date");
            Investors[msg.sender].vestingBalance -= Investors[msg.sender].initialAmount;
            Investors[msg.sender].isInitialAmountClaimed = true;
            uint256 amount = Investors[msg.sender].initialAmount;
            Investors[msg.sender].initialAmount = 0;
            token.transfer(msg.sender, amount);
            emit TokenWithdraw(msg.sender, amount);
            
        }
    }
    function setDates(uint256 StartDate,bool _isStart) public onlyOwner{
        seedStartDate = StartDate;
        privateStartDate = StartDate;
        teamStartDate = StartDate;
        launchpadStartDate = StartDate;
        marketdevelopmentStartDate = StartDate;
        airdropcampaignStartDate = StartDate;
        isStart=_isStart;


        seedLockEndDate = seedStartDate + 30 days;
        privateLockEndDate = privateStartDate + 30 days;
        teamLockEndDate = teamStartDate + 180 days;
        launchpadLockEndDate = launchpadStartDate + 30 days;
        marketdevelopmentLockEndDate = marketdevelopmentStartDate + 90 days;
        airdropcampaignLockEndDate = airdropcampaignStartDate + 30 days;

        seedVestingEndDate = seedLockEndDate + 365 days;
        privateVestingEndDate = privateLockEndDate + 300 days;
        teamVestingEndDate = teamLockEndDate + 1095 days;
        launchpadVestingEndDate = launchpadLockEndDate + 240 days ;
        marketdevelopmentVestingEndDate = marketdevelopmentLockEndDate + 730 days ;
        airdropcampaignVestingEndDate = airdropcampaignLockEndDate + 180 days;
    }

    function setDay(uint256 _value) public onlyOwner {
        day = _value;
    }
  

  function removeSingleInvestor(address  _addr) public onlyOwner{
        isremoved=true;
        require(!isStart,"Vesting Started , Unable to Remove Investor");
        require(Investors[_addr].investorType >0,"Investor Not Found");
            delete Investors[_addr];
  }
  
    function removeMultipleInvestors(address[] memory _addr) external onlyOwner{
        for(uint i=0;i<_addr.length;i++){
            removeSingleInvestor(_addr[i]);
        }
    }

     function getAvailableBalance(address _addr) external view returns(uint256, uint256, uint256){
     uint VestEnd=vestEnd[Investors[_addr].investorType];
     uint lockDate=lockEnd[Investors[_addr].investorType];
           if(Investors[_addr].isInitialAmountClaimed || Investors[_addr].investorType == 3 || Investors[_addr].investorType == 5 || Investors[_addr].investorType == 6 ){
            uint hello= day;
            uint timeDifference;
            // uint lockDateteam = teamLockEndDate;
                   if(Investors[_addr].lastVestedTime == 0) {

                           if(block.timestamp>=VestEnd)return(Investors[_addr].reminingUnitsToVest*Investors[_addr].tokensPerUnit,0,0);
                           if(block.timestamp<lockDate) return(0,0,0);
                           if(lockDate + day> 0)return (((block.timestamp-lockDate)/day) *Investors[_addr].tokensPerUnit,0,0);//, "Active lockdate was zero");
                                timeDifference = (block.timestamp) -(lockDate);}
            else{ 
                 timeDifference = (block.timestamp) - (Investors[_addr].lastVestedTime);
               }

            
            uint numberOfUnitsCanBeVested;
            uint tokenToTransfer ;
            numberOfUnitsCanBeVested = (timeDifference)/(hello);
            if(numberOfUnitsCanBeVested >= Investors[_addr].reminingUnitsToVest) {
                numberOfUnitsCanBeVested = Investors[_addr].reminingUnitsToVest;}
            tokenToTransfer = numberOfUnitsCanBeVested * Investors[_addr].tokensPerUnit;
            uint reminingUnits = Investors[_addr].reminingUnitsToVest;
            uint balance = Investors[_addr].vestingBalance;
                    if(numberOfUnitsCanBeVested == reminingUnits) return(balance,0,0) ;  
                    else return(tokenToTransfer,reminingUnits,balance);
                     }
        else {
                   if(!isStart)return(0,0,0);
                   if(block.timestamp<seedStartDate)return(0,0,0);
                    Investors[_addr].initialAmount == 0 ;
            return (Investors[_addr].initialAmount,0,0);}
        
         
    }

}