// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

// interfaces

// libraries

// contracts
interface IImplementationRegistryBase {
    // =============================================================
    //                           Errors
    // =============================================================
    error InvalidContractType();
    error InvalidVersion();

    // =============================================================
    //                           Events
    // =============================================================
    event ImplementationAdded(address implementation, bytes32 contractType, uint32 version);
    event ImplementationApproved(address implementation, bool approved);
}

interface IImplementationRegistry is IImplementationRegistryBase {
    /// @notice Add an implementation to the registry
    /// @param implementation The address of the implementation
    function addImplementation(address implementation) external;

    /// @notice Approve or disapprove an implementation
    /// @param implementation The address of the implementation
    /// @param approval The approval status
    function approveImplementation(address implementation, bool approval) external;

    /// @notice Get an implementation by contract type and version
    /// @param contractType The contract type
    /// @param version The version
    /// @return The address of the implementation
    function getImplementation(
        bytes32 contractType,
        uint32 version
    ) external view returns (address);

    /// @notice Get the latest implementation by contract type
    /// @param contractType The contract type
    /// @return The address of the latest implementation
    function getLatestImplementation(bytes32 contractType) external view returns (address);
}