// File: contracts/game/InventoryCelestials.sol



// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

import "./interfaces/Structs.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

// solhint-disable quotes

contract InventoryCelestials is Ownable {
  using Strings for uint8;

  /*  +---+-----------+ */
  /*  | 0 | Body      | */
  /*  +---+-----------+ */

  /*///////////////////////////////////////////////////////////////
                LAYERS LOGIC 
    //////////////////////////////////////////////////////////////*/

  mapping(uint256 => Layer) internal _layers;

  function addLayers(LayerInput[] memory inputs) external onlyOwner {
    for (uint256 i = 0; i < inputs.length; i++) {
      _layers[inputs[i].layerIndex] = Layer(inputs[i].name, inputs[i].data);
    }
  }

  function getLayer(uint8 layerIndex) external view returns (Layer memory) {
    return _layers[layerIndex];
  }

  /*///////////////////////////////////////////////////////////////
                URI LOGIC 
    //////////////////////////////////////////////////////////////*/

  function getAttributes(Celestial memory character, uint256 id) external pure returns (bytes memory) {
    return
      abi.encodePacked(
        '{"trait_type": "Type", "value": "Celestial"},',
        '{"trait_type": "Generation", "value":"',
        id <= 10000 ? "Gen 0" : id <= 20000 ? "Gen 1" : "Gen 2",
        '"},'
        '{"trait_type": "Health Modifier", "value": "',
        character.healthMod.toString(),
        '"},'
        '{"trait_type": "Power Modifier", "value": "',
        character.powMod.toString(),
        '"},',
        '{"trait_type": "Pilfer Power", "value": "',
        character.cPP.toString(),
        '"},',
        '{"trait_type": "Level", "value": "',
        character.cLevel.toString(),
        '"}'
      );
  }

  function getImage(uint256 id) external view returns (bytes memory) {
    if (id <= 10_000) return _buildImage(_layers[0].data);
    if (id <= 20_000) return _buildImage(_layers[1].data);
    return _buildImage(_layers[2].data);
  }

  function _buildImage(string memory image) internal pure returns (bytes memory) {
    return
      abi.encodePacked(
        '<image x="0" y="0" width="64" height="64" image-rendering="pixelated" preserveAspectRatio="xMidYMid" xlink:href="data:image/png;base64,',
        image,
        '"/>'
      );
  }
}

// File: contracts/game/interfaces/Structs.sol



// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

struct Freak {
  uint8 species;
  uint8 body;
  uint8 armor;
  uint8 mainHand;
  uint8 offHand;
  uint8 power;
  uint8 health;
  uint8 criticalStrikeMod;

}
struct Celestial {
  uint8 healthMod;
  uint8 powMod;
  uint8 cPP;
  uint8 cLevel;
}

struct Layer {
  string name;
  string data;
}

struct LayerInput {
  string name;
  string data;
  uint8 layerIndex;
  uint8 itemIndex;
}

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



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

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 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: @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;
    }
}