// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.9;

interface ISeaport {
    struct SpentItem {
        ItemType itemType;
        address token;
        uint256 identifier;
        uint256 amount;
    }

    struct ReceivedItem {
        ItemType itemType;
        address token;
        uint256 identifier;
        uint256 amount;
        address payable recipient;
    }
    event OrderFulfilled(
        bytes32 orderHash,
        address indexed offerer,
        address indexed zone,
        address recipient,
        SpentItem[] offer,
        ReceivedItem[] consideration
    );
    enum ItemType {
        // 0: ETH on mainnet, MATIC on polygon, etc.
        NATIVE,
        // 1: ERC20 items (ERC777 and ERC20 analogues could also technically work)
        ERC20,
        // 2: ERC721 items
        ERC721,
        // 3: ERC1155 items
        ERC1155,
        // 4: ERC721 items where a number of tokenIds are supported
        ERC721_WITH_CRITERIA,
        // 5: ERC1155 items where a number of ids are supported
        ERC1155_WITH_CRITERIA
    }
    // prettier-ignore
    enum BasicOrderType {
        // 0: no partial fills, anyone can execute
        ETH_TO_ERC721_FULL_OPEN,

        // 1: partial fills supported, anyone can execute
        ETH_TO_ERC721_PARTIAL_OPEN,

        // 2: no partial fills, only offerer or zone can execute
        ETH_TO_ERC721_FULL_RESTRICTED,

        // 3: partial fills supported, only offerer or zone can execute
        ETH_TO_ERC721_PARTIAL_RESTRICTED,

        // 4: no partial fills, anyone can execute
        ETH_TO_ERC1155_FULL_OPEN,

        // 5: partial fills supported, anyone can execute
        ETH_TO_ERC1155_PARTIAL_OPEN,

        // 6: no partial fills, only offerer or zone can execute
        ETH_TO_ERC1155_FULL_RESTRICTED,

        // 7: partial fills supported, only offerer or zone can execute
        ETH_TO_ERC1155_PARTIAL_RESTRICTED,

        // 8: no partial fills, anyone can execute
        ERC20_TO_ERC721_FULL_OPEN,

        // 9: partial fills supported, anyone can execute
        ERC20_TO_ERC721_PARTIAL_OPEN,

        // 10: no partial fills, only offerer or zone can execute
        ERC20_TO_ERC721_FULL_RESTRICTED,

        // 11: partial fills supported, only offerer or zone can execute
        ERC20_TO_ERC721_PARTIAL_RESTRICTED,

        // 12: no partial fills, anyone can execute
        ERC20_TO_ERC1155_FULL_OPEN,

        // 13: partial fills supported, anyone can execute
        ERC20_TO_ERC1155_PARTIAL_OPEN,

        // 14: no partial fills, only offerer or zone can execute
        ERC20_TO_ERC1155_FULL_RESTRICTED,

        // 15: partial fills supported, only offerer or zone can execute
        ERC20_TO_ERC1155_PARTIAL_RESTRICTED,

        // 16: no partial fills, anyone can execute
        ERC721_TO_ERC20_FULL_OPEN,

        // 17: partial fills supported, anyone can execute
        ERC721_TO_ERC20_PARTIAL_OPEN,

        // 18: no partial fills, only offerer or zone can execute
        ERC721_TO_ERC20_FULL_RESTRICTED,

        // 19: partial fills supported, only offerer or zone can execute
        ERC721_TO_ERC20_PARTIAL_RESTRICTED,

        // 20: no partial fills, anyone can execute
        ERC1155_TO_ERC20_FULL_OPEN,

        // 21: partial fills supported, anyone can execute
        ERC1155_TO_ERC20_PARTIAL_OPEN,

        // 22: no partial fills, only offerer or zone can execute
        ERC1155_TO_ERC20_FULL_RESTRICTED,

        // 23: partial fills supported, only offerer or zone can execute
        ERC1155_TO_ERC20_PARTIAL_RESTRICTED
    }
    /**
     * @dev Basic orders can supply any number of additional recipients, with the
     *      implied assumption that they are supplied from the offered ETH (or other
     *      native token) or ERC20 token for the order.
     */
    struct AdditionalRecipient {
        uint256 amount;
        address payable recipient;
    }
    /**
     * @dev For basic orders involving ETH / native / ERC20 <=> ERC721 / ERC1155
     *      matching, a group of six functions may be called that only requires a
     *      subset of the usual order arguments. Note the use of a "basicOrderType"
     *      enum; this represents both the usual order type as well as the "route"
     *      of the basic order (a simple derivation function for the basic order
     *      type is `basicOrderType = orderType + (4 * basicOrderRoute)`.)
     */
    struct BasicOrderParameters {
        // calldata offset
        address considerationToken; // 0x24
        uint256 considerationIdentifier; // 0x44
        uint256 considerationAmount; // 0x64
        address payable offerer; // 0x84
        address zone; // 0xa4
        address offerToken; // 0xc4
        uint256 offerIdentifier; // 0xe4
        uint256 offerAmount; // 0x104
        BasicOrderType basicOrderType; // 0x124
        uint256 startTime; // 0x144
        uint256 endTime; // 0x164
        bytes32 zoneHash; // 0x184
        uint256 salt; // 0x1a4
        bytes32 offererConduitKey; // 0x1c4
        bytes32 fulfillerConduitKey; // 0x1e4
        uint256 totalOriginalAdditionalRecipients; // 0x204
        AdditionalRecipient[] additionalRecipients; // 0x224
        bytes signature; // 0x244
        // Total length, excluding dynamic array data: 0x264 (580)
    }

    function fulfillBasicOrder(BasicOrderParameters calldata parameters) external payable returns (bool fulfilled);

    function getCounter(address offerer) external view returns (uint256);
}