// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.18;

import "./SmartAssetBase.sol";
import "../Interfaces/ISmartAssetBurnable.sol";

/**
 * @title SmartAssetBurnable.
 * @author Arianee - Dynamic NFTs for real-world use cases and consumer engagement (www.arianee.org).
 */
abstract contract SmartAssetBurnable is SmartAssetBase, ISmartAssetBurnable {
    /**
     * @notice This emits when a token is burned.
     */
    event TokenBurned(uint256 indexed tokenId);

    function burn(uint256 tokenId) external virtual whenNotPaused {
        require(super._isApprovedOrOwner(_msgSender(), tokenId), "SmartAssetBurnable: caller is not token owner or approved");

        super._burn(tokenId);

        delete idToFootprint[tokenId];
        delete idToImprint[tokenId];
        delete idToFirstTransfer[tokenId];
        delete idToViewKey[tokenId];
        delete idToTransferKey[tokenId];
        delete tokenProviders[tokenId];

        emit TokenBurned(tokenId);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(ISmartAssetBurnable).interfaceId || super.supportsInterface(interfaceId);
    }
}