// File: src/contracts/v3/OmniseaDropsFactory.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.7;

import "../interfaces/IOmniseaERC721Psi.sol";
import "./OmniseaERC721PsiProxy.sol";
import "../interfaces/IOmniseaDropsFactory.sol";
import { CreateParams } from "../structs/erc721/ERC721Structs.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

contract OmniseaDropsFactory is IOmniseaDropsFactory, ReentrancyGuard {
    address internal _manager;
    address public owner;
    address public scheduler;
    address public universalONFT;
    address public omniseaERC721Psi;
    mapping(address => bool) public drops;

    event Created(address indexed collection);

    constructor(address _scheduler, address _universalONFT, address _omniseaERC721Psi) {
        owner = msg.sender;
        scheduler = _scheduler;
        universalONFT = _universalONFT;
        omniseaERC721Psi = _omniseaERC721Psi;
    }

    function create(CreateParams calldata _params) external override nonReentrant {
        OmniseaERC721PsiProxy proxy = new OmniseaERC721PsiProxy(omniseaERC721Psi);
        address proxyAddress = address(proxy);
        IOmniseaERC721Psi(proxyAddress).initialize(_params, msg.sender, _manager, scheduler, universalONFT);
        drops[proxyAddress] = true;
        emit Created(proxyAddress);
    }

    function setManager(address manager_) external {
        require(msg.sender == owner);
        _manager = manager_;
    }
}

// File: src/contracts/interfaces/IOmniseaERC721Psi.sol



// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import { CreateParams } from "../structs/erc721/ERC721Structs.sol";

/**
 * @dev Interface of the IOmniseaUniversalONFT: Universal ONFT Core through delegation
 */
interface IOmniseaERC721Psi is IERC165 {
    function initialize(CreateParams memory params, address _owner, address _dropsManagerAddress, address _scheduler, address _universalONFT) external;
    function mint(address _minter, uint24 _quantity, bytes32[] memory _merkleProof, uint8 _phaseId) external;
    function mintPrice(uint8 _phaseId) external view returns (uint256);
    function exists(uint256 tokenId) external view returns (bool);
    function owner() external view returns (address);
    function dropsManager() external view returns (address);
}

// File: src/contracts/v3/OmniseaERC721PsiProxy.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract OmniseaERC721PsiProxy {
    address private _proxy;

    constructor(address proxy_) {
        _proxy = proxy_;
    }

    fallback() external payable {
        _delegate(_proxy);
    }

    receive() external payable {
        _delegate(_proxy);
    }

    function _delegate(address _proxyTo) internal {
        assembly {
            let ptr := mload(0x40)
            calldatacopy(ptr, 0, calldatasize())
            let result := delegatecall(gas(), _proxyTo, ptr, calldatasize(), 0, 0)
            let size := returndatasize()
            returndatacopy(ptr, 0, size)

            switch result
            case 0 { revert(ptr, size) }
            default { return(ptr, size) }
        }
    }
}

// File: src/contracts/interfaces/IOmniseaDropsFactory.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

import {CreateParams} from "../structs/erc721/ERC721Structs.sol";

interface IOmniseaDropsFactory {
    function create(CreateParams calldata params) external;
    function drops(address) external returns (bool);
}

// File: src/contracts/structs/erc721/ERC721Structs.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

struct CreateParams {
    string name;
    string symbol;
    string uri;
    string tokensURI;
    uint24 maxSupply;
    bool isZeroIndexed;
    uint24 royaltyAmount;
    uint256 endTime;
}

struct MintParams {
    address collection;
    uint24 quantity;
    bytes32[] merkleProof;
    uint8 phaseId;
}

struct OmnichainMintParams {
    address collection;
    uint24 quantity;
    uint256 paid;
    uint8 phaseId;
    address minter;
}

struct Phase {
    uint256 from;
    uint256 to;
    uint24 maxPerAddress;
    uint256 price;
    bytes32 merkleRoot;
}

struct BasicCollectionParams {
    string name;
    string symbol;
    string uri;
    string tokensURI;
    uint24 maxSupply;
    address owner;
}

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



// SPDX-License-Identifier: MIT
// 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/introspection/IERC165.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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



// SPDX-License-Identifier: MIT
// 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);
}