// File: contracts/gate/EclipseMintGateERC721.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import {EclipseAccess} from "../access/EclipseAccess.sol";
import {IEclipseMinter} from "../interface/IEclipseMinter.sol";
import {IEclipseMintGate, UserMint} from "../interface/IEclipseMintGate.sol";
import {MintAllocERC721} from "./MintAllocERC721.sol";
import {IERC721} from "@openzeppelin/contracts/interfaces/IERC721.sol";

/**
 * @dev Eclipse base minter
 */

struct ERC721GateParams {
    address erc721;
    uint8 minTokensOwned;
    uint8 allowedPerTokenOwned;
}

contract EclipseMintGateERC721 is EclipseAccess, IEclipseMintGate {
    using MintAllocERC721 for MintAllocERC721.State;
    mapping(address => mapping(address => mapping(uint8 => MintAllocERC721.State)))
        public gates;

    /**
     * @dev Set pricing for collection
     * @param collection contract address of the collection
     * @param data `ERC721GateParams` struct
     */
    function addGateForCollection(
        address collection,
        address minterContract,
        uint8 index,
        bytes memory data
    ) external override onlyAdmin {
        ERC721GateParams memory gate = abi.decode(data, (ERC721GateParams));
        _addGateForCollection(collection, minterContract, index, gate);
    }

    function _addGateForCollection(
        address collection,
        address minterContract,
        uint8 index,
        ERC721GateParams memory gate
    ) internal {
        gates[minterContract][collection][index].init(
            gate.erc721,
            gate.minTokensOwned,
            gate.allowedPerTokenOwned
        );
    }

    function isUserAllowed(
        address collection,
        address minterContract,
        uint8 index,
        address user
    ) external view override returns (bool) {
        (uint24 available, ) = gates[minterContract][collection][index]
            .getAvailableMintsForUser(user);
        return available > 0;
    }

    function getTotalMinted(
        address collection,
        address minterContract,
        uint8 index
    ) external view override returns (uint24) {
        return gates[minterContract][collection][index].minted;
    }

    /**
     *@dev Get allowed mints for collection
     */
    function getAllowedMints(
        address collection,
        address minterContract,
        uint8 index,
        address user
    ) public view override returns (uint24) {
        (uint24 available, ) = gates[minterContract][collection][index]
            .getAllowedMints(user);
        return available;
    }

    /**
     *@dev Get allowed mints and amount of minted tokens for collection
     */
    function getUserMint(
        address collection,
        address minterContract,
        uint8 index,
        address user
    ) public view override returns (UserMint memory) {
        MintAllocERC721.State storage mintAlloc = gates[minterContract][
            collection
        ][index];
        (uint24 available, uint24 minted) = mintAlloc.getAvailableMintsForUser(
            user
        );
        return UserMint(available, minted);
    }

    function update(
        address collection,
        address minterContract,
        uint8 index,
        address user,
        uint24 amount
    ) external override {
        gates[minterContract][collection][index].update(user, amount);
    }

    function getGateState(
        address collection,
        address minterContract,
        uint8 index
    )
        external
        view
        returns (
            uint8 minTokensOwned,
            uint8 allowedPerTokenOwned,
            uint24 minted,
            address erc721
        )
    {
        MintAllocERC721.State storage mintAlloc = gates[minterContract][
            collection
        ][index];
        return (
            mintAlloc.minTokensOwned,
            mintAlloc.allowedPerTokenOwned,
            mintAlloc.minted,
            mintAlloc.erc721
        );
    }
}

// File: contracts/access/EclipseAccess.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @dev This implements access control for owner and admins
 */
abstract contract EclipseAccess is Ownable {
    mapping(address => bool) public admins;
    address public eclipseAdmin;

    constructor() Ownable() {
        eclipseAdmin = _msgSender();
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyAdmin() {
        address sender = _msgSender();
        require(
            owner() == sender || admins[sender],
            "EclipseAccess: caller is not the owner nor admin"
        );
        _;
    }

    /**
     * @dev Throws if called by any account other than the Eclipse admin.
     */
    modifier onlyEclipseAdmin() {
        address sender = _msgSender();
        require(
            eclipseAdmin == sender,
            "EclipseAccess: caller is not eclipse admin"
        );
        _;
    }

    function setEclipseAdmin(address admin) public onlyEclipseAdmin {
        eclipseAdmin = admin;
    }

    function setAdminAccess(
        address admin,
        bool access
    ) public onlyEclipseAdmin {
        admins[admin] = access;
    }
}

// File: contracts/gate/MintAllocERC721.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IERC721Enumerable} from "@openzeppelin/contracts/interfaces/IERC721Enumerable.sol";
import {IERC721} from "@openzeppelin/contracts/interfaces/IERC721.sol";

library MintAllocERC721 {
    struct State {
        uint8 minTokensOwned;
        uint8 allowedPerTokenOwned;
        uint24 minted;
        address erc721;
        mapping(uint256 => uint24) mints;
    }

    function getTokensOfUser(
        State storage state,
        address user
    ) internal view returns (uint256[] memory tokens) {
        uint256 balance = IERC721(state.erc721).balanceOf(user);
        tokens = new uint256[](balance);
        for (uint256 i; i < balance; i++) {
            tokens[i] = IERC721Enumerable(state.erc721).tokenOfOwnerByIndex(
                user,
                i
            );
        }
    }

    function getAllowedMints(
        State storage state,
        address user
    ) internal view returns (uint24 available, uint24 minted) {
        return getAvailableMintsForUser(state, user);
    }

    function getAvailableMintsForUser(
        State storage state,
        address user
    ) internal view returns (uint24 available, uint24 minted) {
        uint256 balance = IERC721(state.erc721).balanceOf(user);
        if (balance < state.minTokensOwned) return (available, minted);
        for (uint256 i; i < balance; i++) {
            uint256 id = IERC721Enumerable(state.erc721).tokenOfOwnerByIndex(
                user,
                i
            );
            uint24 mintedForId = state.mints[id];
            available += state.allowedPerTokenOwned - mintedForId;
            minted += mintedForId;
        }
    }

    function init(
        State storage state,
        address erc721,
        uint8 minTokensOwned,
        uint8 allowedPerTokenOwned
    ) internal {
        state.minTokensOwned = minTokensOwned;
        state.allowedPerTokenOwned = allowedPerTokenOwned;
        state.erc721 = erc721;
    }

    function update(State storage state, address user, uint24 amount) internal {
        uint24 assigned;
        uint24 i;
        while (assigned < amount) {
            uint256 id = IERC721Enumerable(state.erc721).tokenOfOwnerByIndex(
                user,
                i
            );
            uint24 remaining = amount - assigned;
            uint24 assignedAmount = remaining > state.allowedPerTokenOwned
                ? state.allowedPerTokenOwned
                : remaining;
            state.mints[id] += assignedAmount;
            assigned += assignedAmount;
            i++;
        }
        state.minted += amount;
    }
}

// File: contracts/interface/IEclipseMinter.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import {UserMint} from "./IEclipseMintGate.sol";

interface IEclipseMinter {
    function mintOne(address collection, uint8 index) external payable;

    function mint(
        address collection,
        uint8 index,
        uint24 amount
    ) external payable;

    function getPrice(
        address collection,
        uint8 index
    ) external view returns (uint256);

    function getAllowedMintsForUser(
        address collection,
        uint8 index,
        address user
    ) external view returns (UserMint memory);

    function setPricing(
        address collection,
        address sender,
        bytes memory data
    ) external;

    function getAvailableSupply(
        address collection,
        uint8 index
    ) external view returns (uint24 available, uint24 minted);
}

// File: contracts/interface/IEclipseMintGate.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

struct UserMint {
    uint24 allowed;
    uint24 minted;
}

interface IEclipseMintGate {
    function getAllowedMints(
        address collection,
        address minterContract,
        uint8 index,
        address user
    ) external view returns (uint24);

    function update(
        address collection,
        address minterContract,
        uint8 index,
        address user,
        uint24 amount
    ) external;

    function isUserAllowed(
        address collection,
        address minterContract,
        uint8 index,
        address user
    ) external view returns (bool);

    function addGateForCollection(
        address collection,
        address minterContract,
        uint8 index,
        bytes memory data
    ) external;

    function getTotalMinted(
        address collection,
        address minterContract,
        uint8 index
    ) external view returns (uint24);

    function getUserMint(
        address collection,
        address minterContract,
        uint8 index,
        address user
    ) external view returns (UserMint memory);
}

// File: @openzeppelin/contracts/interfaces/IERC721.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/IERC721.sol";

// 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);
    }
}

// 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/interfaces/IERC721Enumerable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/extensions/IERC721Enumerable.sol";

// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// File: @openzeppelin/contracts/token/ERC721/IERC721.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// 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);
}