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

import "@openzeppelin/contracts/access/Ownable.sol";
import "./interfaces/IAdapterRegistry.sol";

/**
 * @title AdapterRegistry
 * @notice Manages whitelist/blacklist of protocol adapters
 */
contract AdapterRegistry is IAdapterRegistry, Ownable {
    mapping(address => AdapterInfo) public adapters;
    mapping(address => bool) public whitelist;
    mapping(address => bool) public blacklist;

    event AdapterRegistered(address indexed adapter, string name, AdapterType adapterType);
    event AdapterWhitelisted(address indexed adapter, bool whitelisted);
    event AdapterBlacklisted(address indexed adapter, bool blacklisted);

    /**
     * @notice Register a new adapter
     */
    function registerAdapter(
        address adapter,
        string calldata name,
        AdapterType adapterType
    ) external onlyOwner {
        require(adapters[adapter].registeredAt == 0, "Adapter already registered");

        adapters[adapter] = AdapterInfo({
            name: name,
            adapterType: adapterType,
            registeredAt: block.timestamp,
            whitelisted: false
        });

        emit AdapterRegistered(adapter, name, adapterType);
    }

    /**
     * @notice Whitelist an adapter
     */
    function setWhitelist(address adapter, bool _whitelisted) external onlyOwner {
        require(adapters[adapter].registeredAt > 0, "Adapter not registered");
        
        adapters[adapter].whitelisted = _whitelisted;
        whitelist[adapter] = _whitelisted;

        emit AdapterWhitelisted(adapter, _whitelisted);
    }

    /**
     * @notice Blacklist an adapter
     */
    function setBlacklist(address adapter, bool _blacklisted) external onlyOwner {
        blacklist[adapter] = _blacklisted;
        
        if (_blacklisted) {
            adapters[adapter].whitelisted = false;
            whitelist[adapter] = false;
        }

        emit AdapterBlacklisted(adapter, _blacklisted);
    }

    /**
     * @notice Check if adapter is whitelisted
     */
    function isWhitelisted(address adapter) external view override returns (bool) {
        return !blacklist[adapter] && adapters[adapter].whitelisted;
    }

    /**
     * @notice Get adapter info
     */
    function getAdapter(address adapter) external view returns (AdapterInfo memory) {
        return adapters[adapter];
    }
}