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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "./interfaces/IDungeonEntry.sol";
import "./interfaces/IDungeonGame.sol";
import "./interfaces/INFTStats.sol";
import "./interfaces/IPrizePool.sol";
import "./interfaces/ICollectionRegistry.sol";

/// @title DungeonEntry
/// @notice Manages dungeon entry and active run state for NFTs
contract DungeonEntry is IDungeonEntry, Ownable, ReentrancyGuard {
    // ------------------------- Immutable state variables -------------------------
    ICollectionRegistry public immutable collectionRegistry;
    INFTStats public immutable nftStats;

    // ------------------------- Constants -------------------------
    uint256 private constant MAX_RUN_DURATION = 24 hours;

    // ------------------------- State variables -------------------------
    IPrizePool public prizePool;
    IDungeonGame public dungeonGame;
    bool private initialized;
    uint256 private entryFee;
    mapping(address => mapping(uint256 => bool)) private inDungeon;

    // ------------------------- Events -------------------------
    event EntryFeeUpdated(uint256 newFee);
    event RunExpired(address indexed collection, uint256 indexed tokenId);
    event DungeonEntryInitialized(
        address indexed prizePool,
        address indexed dungeonGame
    );

    // ------------------------- Constructor -------------------------
    constructor(
        address _collectionRegistry,
        address _nftStats,
        uint256 _initialEntryFee
    ) Ownable(msg.sender) {
        require(_collectionRegistry != address(0), "Invalid registry address");
        require(_nftStats != address(0), "Invalid stats address");

        collectionRegistry = ICollectionRegistry(_collectionRegistry);
        nftStats = INFTStats(_nftStats);
        entryFee = _initialEntryFee;
    }

    // ------------------------- External functions - Admin -------------------------
    /// @notice Initialize the DungeonEntry with required contract addresses
    /// @param _prizePool Address of the PrizePool contract
    /// @param _dungeonGame Address of the DungeonGame contract
    function initialize(
        address _prizePool,
        address _dungeonGame
    ) external onlyOwner {
        require(!initialized, "Already initialized");
        require(_prizePool != address(0), "Invalid prize pool address");
        require(_dungeonGame != address(0), "Invalid dungeon game address");

        prizePool = IPrizePool(_prizePool);
        dungeonGame = IDungeonGame(_dungeonGame);
        initialized = true;

        emit DungeonEntryInitialized(_prizePool, _dungeonGame);
    }

    /// @notice Update the entry fee
    /// @param newFee New entry fee in wei
    function updateEntryFee(uint256 newFee) external onlyOwner {
        entryFee = newFee;
        emit EntryFeeUpdated(newFee);
    }

    // ------------------------- External functions - Core game mechanics -------------------------
    /// @notice Start a new dungeon run for an NFT
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    function startDungeonRun(
        address collection,
        uint256 tokenId
    ) external payable nonReentrant {
        require(initialized, "Not initialized");
        // Check entry fee
        require(msg.value >= entryFee, "Insufficient entry fee");

        // Verify collection is whitelisted
        require(
            collectionRegistry.isWhitelisted(collection),
            "Collection not whitelisted"
        );

        // Verify NFT ownership
        require(
            IERC721(collection).ownerOf(tokenId) == msg.sender,
            "Not NFT owner"
        );

        // Check if NFT is already in dungeon
        require(!inDungeon[collection][tokenId], "Already in dungeon");

        require(
            nftStats.isInitialized(collection, tokenId),
            "NFT stats not initialized"
        );

        // Add character to dungeon queue
        dungeonGame.enterDungeon(collection, tokenId);

        // Mark NFT as in dungeon
        inDungeon[collection][tokenId] = true;

        // Forward entry fee to prize pool
        prizePool.depositEntryFee{value: entryFee}();

        // Refund excess payment if any
        uint256 excess = msg.value - entryFee;
        if (excess > 0) {
            (bool success, ) = msg.sender.call{value: excess}("");
            require(success, "Refund failed");
        }

        emit DungeonRunStarted(collection, tokenId, msg.sender, entryFee);
    }

    /// @notice End an active dungeon run
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @param success Whether the run was successful
    function endDungeonRun(
        address collection,
        uint256 tokenId,
        bool success
    ) external {
        require(initialized, "Not initialized");
        // Only DungeonGame contract can end runs
        require(msg.sender == address(dungeonGame), "Not authorized");
        require(inDungeon[collection][tokenId], "Not in dungeon");

        // Mark NFT as no longer in dungeon
        inDungeon[collection][tokenId] = false;

        emit DungeonRunEnded(collection, tokenId, success);
    }

    // ------------------------- External view functions -------------------------
    /// @notice Check if an NFT has an active dungeon run
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return bool True if NFT has an active run
    function hasActiveRun(
        address collection,
        uint256 tokenId
    ) public view returns (bool) {
        if (!inDungeon[collection][tokenId]) return false;

        uint256 roomNumber = dungeonGame.getCharacterRoomNumber(
            collection,
            tokenId
        );
        if (roomNumber == 0) return false;

        return true;
    }

    /// @notice Get the current entry fee for dungeon runs
    /// @return uint256 Current entry fee in wei
    function getEntryFee() external view returns (uint256) {
        return entryFee;
    }

    /// @notice Get time remaining for an active run
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return uint256 Time remaining in seconds, 0 if no active run
    function getTimeRemaining(
        address collection,
        uint256 tokenId
    ) external view returns (uint256) {
        if (!inDungeon[collection][tokenId]) return 0;

        uint256 roomNumber = dungeonGame.getCharacterRoomNumber(
            collection,
            tokenId
        );
        if (roomNumber == 0) return 0;

        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC-721 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 ERC-721 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC-721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * 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 address zero.
     *
     * 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @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 EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * 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;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    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() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

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

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

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

/// @title IDungeonEntry
/// @notice Interface for managing dungeon entry and run initialization
interface IDungeonEntry {
    // ------------------------- Type definitions -------------------------
    /// @notice Structure for active dungeon run state
    struct DungeonRun {
        uint256 currentHp;
        uint256 currentRoom;
        bool isActive;
    }

    // ------------------------- Events -------------------------
    /// @notice Event emitted when a dungeon run is started
    event DungeonRunStarted(
        address indexed collection,
        uint256 indexed tokenId,
        address indexed player,
        uint256 entryFee
    );

    /// @notice Event emitted when a dungeon run is ended
    event DungeonRunEnded(
        address indexed collection,
        uint256 indexed tokenId,
        bool success
    );

    // ------------------------- External functions -------------------------
    /// @notice Start a new dungeon run for an NFT
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    function startDungeonRun(
        address collection,
        uint256 tokenId
    ) external payable;

    /// @notice End an active dungeon run (called by DungeonGame)
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @param success Whether the run was successful
    function endDungeonRun(
        address collection,
        uint256 tokenId,
        bool success
    ) external;

    // ------------------------- View functions -------------------------
    /// @notice Check if an NFT has an active dungeon run
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return bool True if NFT has an active run
    function hasActiveRun(
        address collection,
        uint256 tokenId
    ) external view returns (bool);

    /// @notice Get the current entry fee for dungeon runs
    /// @return uint256 Current entry fee in wei
    function getEntryFee() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

/// @title IDungeonGame
/// @notice Interface for core dungeon game mechanics and progression
interface IDungeonGame {
    // ------------------------- Type definitions -------------------------
    /// @notice Structure for dungeon room state
    struct RoomState {
        address collection;
        uint256 tokenId;
        uint256 entryIndex; // Used for ordering characters
        uint256 currentHp;
        uint256 currentAttack;
        uint256 currentSpeed;
        bool isOccupied;
    }

    /// @notice Structure for encounter results
    struct EncounterResult {
        int256 hpChange;
        string encounterDescription;
    }

    /// @notice Structure for character state
    struct CharacterState {
        address collection;
        uint256 tokenId;
        uint256 currentHp;
    }

    // ------------------------- Events -------------------------
    /// @notice Event emitted when an encounter is completed
    event EncounterCompleted(
        address indexed collection,
        uint256 indexed tokenId,
        uint256 roomNumber,
        uint256 xpGained,
        bool survived,
        string encounterDescription
    );

    /// @notice Event emitted when a dungeon run is completed
    event DungeonCompleted(address indexed collection, uint256 indexed tokenId);

    // ------------------------- External functions - Core game mechanics -------------------------
    /// @notice Add a new character to the dungeon queue
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    function enterDungeon(address collection, uint256 tokenId) external;

    // ------------------------- View functions -------------------------
    /// @notice Get the current room number for a character
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return Current room number
    function getCharacterRoomNumber(
        address collection,
        uint256 tokenId
    ) external view returns (uint8);

    /// @notice Get the current room state for a character
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return Current room state
    function getCharacterState(
        address collection,
        uint256 tokenId
    ) external view returns (CharacterState memory);

    /// @notice Get the state of a specific room
    /// @param roomNumber Room number to get state for
    /// @return CharacterState Memory of the room state
    function getRoomState(
        uint256 roomNumber
    ) external view returns (CharacterState memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

/// @title INFTStats
/// @notice Interface for managing individual NFT stats and progression
interface INFTStats {
    // ------------------------- Type definitions -------------------------
    /// @notice Enum representing different rarity levels
    /// affects the stat variation of the NFT
    enum Rarity {
        Common,
        Uncommon,
        Rare,
        Epic,
        Legendary
    }

    /// @notice Structure for NFT permanent stats
    struct NFTStatsData {
        // Core Stats (256 bits)
        uint64 vitality; // Replaces HP
        uint64 strength; // Replaces attack
        uint64 agility; // Replaces speed
        uint64 defense; // New stat
        // Progression data (256 bits)
        uint32 level;
        uint96 currentXP;
        uint96 xpToNextLevel;
        uint32 dungeonRuns;
        uint32 successfulRuns;
        uint32 roomsCleared;
        bool initialized;
        Rarity rarity;
    }

    // ------------------------- Events - Stats -------------------------
    /// @notice Event emitted when an NFT's stats are initialized
    event StatsInitialized(
        address indexed collection,
        uint256 indexed tokenId,
        uint64 vitality,
        uint64 strength,
        uint64 agility,
        uint64 defense
    );

    /// @notice Event emitted when an NFT's stats are boosted
    event StatsBoosted(
        address indexed collection,
        uint256 indexed tokenId,
        uint64 newVitality,
        uint64 newStrength,
        uint64 newAgility,
        uint64 newDefense
    );

    // ------------------------- Events - Progression -------------------------
    /// @notice Event emitted when XP is gained
    event XPGained(
        address indexed collection,
        uint256 indexed tokenId,
        uint256 xpGained,
        uint256 newTotalXP
    );

    /// @notice Event emitted when a level up occurs
    event LevelUp(
        address indexed collection,
        uint256 indexed tokenId,
        uint256 newLevel
    );

    /// @notice Event emitted when a run is recorded
    event RunRecorded(
        address indexed collection,
        uint256 indexed tokenId,
        bool success,
        uint256 roomsCleared,
        uint256 xpGained
    );

    // ------------------------- View/Pure Functions -------------------------
    /// @notice Get current stats for an NFT
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return NFTStatsData struct containing current stats
    function getStats(
        address collection,
        uint256 tokenId
    ) external view returns (NFTStatsData memory);

    /// @notice Check if an NFT has been initialized
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return bool True if NFT has been initialized
    function isInitialized(
        address collection,
        uint256 tokenId
    ) external view returns (bool);

    /// @notice Calculate XP required for next level
    /// @param currentLevel Current level of the NFT
    /// @return uint256 XP required for next level
    function getXPForNextLevel(
        uint32 currentLevel
    ) external pure returns (uint96);

    /// @notice Get secondary stats derived from core stats
    /// @param vitality Character's vitality stat
    /// @param strength Character's strength stat
    /// @param agility Character's agility stat
    /// @param defense Character's defense stat
    /// @return criticalRate Chance to land critical hits (0-15)
    /// @return dodgeChance Chance to dodge attacks (0-10)
    /// @return blockRate Chance to block attacks (0-10)
    /// @return initiative Determines turn order in combat (0-100)
    function getSecondaryStats(
        uint64 vitality,
        uint64 strength,
        uint64 agility,
        uint64 defense
    )
        external
        pure
        returns (
            uint8 criticalRate,
            uint8 dodgeChance,
            uint8 blockRate,
            uint8 initiative
        );

    /// @notice Get the stat increases for a level up
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @return vitalityIncrease Amount vitality increases
    /// @return strengthIncrease Amount strength increases
    /// @return agilityIncrease Amount agility increases
    /// @return defenseIncrease Amount defense increases
    function getLevelUpStats(
        address collection,
        uint256 tokenId
    )
        external
        view
        returns (
            uint64 vitalityIncrease,
            uint64 strengthIncrease,
            uint64 agilityIncrease,
            uint64 defenseIncrease
        );

    // ------------------------- State-Changing Functions -------------------------
    /// @notice Initialize stats for an NFT based on its collection's base stats
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    function rollStats(address collection, uint256 tokenId) external;

    /// @notice Award XP for dungeon progress
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @param xpAmount Amount of XP to award
    /// @param roomsCleared Number of rooms cleared in this run
    function awardXP(
        address collection,
        uint256 tokenId,
        uint256 xpAmount,
        uint256 roomsCleared
    ) external;

    /// @notice Record a dungeon run attempt
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    /// @param success Whether the run was successful
    function recordRun(
        address collection,
        uint256 tokenId,
        bool success
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

/// @title IPrizePool
/// @notice Interface for managing dungeon rewards and prize distribution
interface IPrizePool {
    // ------------------------- Events -------------------------
    /// @notice Event emitted when entry fee is deposited
    event EntryFeeDeposited(
        address indexed collection,
        uint256 indexed tokenId,
        uint256 amount
    );

    /// @notice Event emitted when reward is claimed
    event RewardClaimed(
        address indexed collection,
        uint256 indexed tokenId,
        address indexed recipient,
        uint256 amount
    );

    /// @notice Event emitted when prize pool parameters are updated
    event PrizePoolParametersUpdated(uint256 entryFee, uint256 winnerShare);

    // ------------------------- External functions - Core mechanics -------------------------
    /// @notice Deposit entry fee for a dungeon run
    function depositEntryFee() external payable;

    /// @notice Register a winner and immediately transfer their prize
    /// @param collection Address of the NFT collection
    /// @param tokenId Token ID of the NFT
    function registerWinner(address collection, uint256 tokenId) external;

    // ------------------------- View functions -------------------------
    /// @notice Get current prize pool amount
    /// @return uint256 Current prize pool amount
    function getCurrentPrizePool() external view returns (uint256);

    /// @notice Gets the current entry fee
    /// @return uint256 Current entry fee
    function getEntryFee() external view returns (uint256);

    /// @notice Gets total entry fees collected
    /// @return uint256 Total entry fees
    function getTotalEntryFees() external view returns (uint256);

    /// @notice Gets total prizes paid out
    /// @return uint256 Total prizes paid
    function getTotalPrizesPaid() external view returns (uint256);

    /// @notice Gets current treasury balance
    /// @return uint256 Current treasury balance
    function getTreasuryBalance() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

/// @title ICollectionRegistry
/// @notice Interface for managing whitelisted NFT collections and their base stats
interface ICollectionRegistry {
    // ------------------------- Type definitions -------------------------
    /// @notice Enum for different class archetypes
    enum ClassArchetype {
        WARRIOR, // High strength/defense
        ROGUE, // High agility/critical
        PALADIN, // Balanced with healing
        BERSERKER // High damage/risk
    }

    /// @notice Stats structure for NFT collections
    struct CollectionStats {
        uint64 baseVitality;
        uint64 baseStrength;
        uint64 baseAgility;
        uint64 baseDefense;
        uint8 classType; // ClassArchetype
        uint8 complexity; // For gas limit determination
        bool isWhitelisted;
    }

    // ------------------------- Events -------------------------
    /// @notice Event emitted when a collection is whitelisted
    event CollectionWhitelisted(
        address indexed collection,
        uint64 baseVitality,
        uint64 baseStrength,
        uint64 baseAgility,
        uint64 baseDefense,
        ClassArchetype classType,
        uint8 complexity
    );

    /// @notice Event emitted when a collection's stats are updated
    event CollectionStatsUpdated(
        address indexed collection,
        uint64 baseVitality,
        uint64 baseStrength,
        uint64 baseAgility,
        uint64 baseDefense,
        ClassArchetype classType,
        uint8 complexity
    );

    /// @notice Event emitted when a collection is removed from whitelist
    event CollectionRemoved(address indexed collection);

    // ------------------------- Admin functions -------------------------
    /// @notice Whitelist a new NFT collection with base stats
    /// @param collection Address of the NFT collection
    /// @param baseVitality Initial vitality for NFTs from this collection
    /// @param baseStrength Initial strength for NFTs from this collection
    /// @param baseAgility Initial agility for NFTs from this collection
    /// @param baseDefense Initial defense for NFTs from this collection
    /// @param classType Class archetype for this collection
    /// @param complexity Gas complexity tier (1-3)
    function whitelistCollection(
        address collection,
        uint64 baseVitality,
        uint64 baseStrength,
        uint64 baseAgility,
        uint64 baseDefense,
        ClassArchetype classType,
        uint8 complexity
    ) external;

    /// @notice Update base stats for a whitelisted collection
    /// @param collection Address of the NFT collection
    /// @param baseVitality New base vitality
    /// @param baseStrength New base strength
    /// @param baseAgility New base agility
    /// @param baseDefense New base defense
    /// @param classType New class archetype
    /// @param complexity New complexity tier
    function updateCollectionStats(
        address collection,
        uint64 baseVitality,
        uint64 baseStrength,
        uint64 baseAgility,
        uint64 baseDefense,
        ClassArchetype classType,
        uint8 complexity
    ) external;

    /// @notice Remove a collection from the whitelist
    /// @param collection Address of the NFT collection to remove
    function removeCollection(address collection) external;

    // ------------------------- View functions -------------------------
    /// @notice Check if a collection is whitelisted
    /// @param collection Address of the NFT collection to check
    /// @return bool True if collection is whitelisted
    function isWhitelisted(address collection) external view returns (bool);

    /// @notice Get base stats for a collection
    /// @param collection Address of the NFT collection
    /// @return CollectionStats struct containing base stats
    function getCollectionStats(
        address collection
    ) external view returns (CollectionStats memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * 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[ERC 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);
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@pythnetwork/entropy-sdk-solidity/=../node_modules/@pythnetwork/entropy-sdk-solidity/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "pyth-sdk-solidity/=lib/pyth-sdk-solidity/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {
    "src/libraries/StatValidation.sol": {
      "StatValidation": "0x6E9a7a68Ae6B4B27D9D5494c034939C52a49b650"
    },
    "src/libraries/StatsCalculator.sol": {
      "StatsCalculator": "0x40bc4D559834F72951a83a8e098A6b969F1c79a8"
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_collectionRegistry","type":"address"},{"internalType":"address","name":"_nftStats","type":"address"},{"internalType":"uint256","name":"_initialEntryFee","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"prizePool","type":"address"},{"indexed":true,"internalType":"address","name":"dungeonGame","type":"address"}],"name":"DungeonEntryInitialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"collection","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"bool","name":"success","type":"bool"}],"name":"DungeonRunEnded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"collection","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"player","type":"address"},{"indexed":false,"internalType":"uint256","name":"entryFee","type":"uint256"}],"name":"DungeonRunStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newFee","type":"uint256"}],"name":"EntryFeeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"collection","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"RunExpired","type":"event"},{"inputs":[],"name":"collectionRegistry","outputs":[{"internalType":"contract ICollectionRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dungeonGame","outputs":[{"internalType":"contract IDungeonGame","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bool","name":"success","type":"bool"}],"name":"endDungeonRun","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getEntryFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getTimeRemaining","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"hasActiveRun","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_prizePool","type":"address"},{"internalType":"address","name":"_dungeonGame","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nftStats","outputs":[{"internalType":"contract INFTStats","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prizePool","outputs":[{"internalType":"contract IPrizePool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"startDungeonRun","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newFee","type":"uint256"}],"name":"updateEntryFee","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000d7fe5c4b54a62d96689138af1348e3af2d9ffb9e000000000000000000000000b23805e18b8b54d66cefc22476973c87896ddd3a00000000000000000000000000000000000000000000000000038d7ea4c68000

-----Decoded View---------------
Arg [0] : _collectionRegistry (address): 0xD7FE5c4B54a62d96689138af1348e3aF2D9fFb9E
Arg [1] : _nftStats (address): 0xb23805e18B8b54d66cEfC22476973C87896DDd3A
Arg [2] : _initialEntryFee (uint256): 1000000000000000

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000d7fe5c4b54a62d96689138af1348e3af2d9ffb9e
Arg [1] : 000000000000000000000000b23805e18b8b54d66cefc22476973c87896ddd3a
Arg [2] : 00000000000000000000000000000000000000000000000000038d7ea4c68000