// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { Version } from "./ChugSplashDataTypes.sol";

/**
 * @title Semver
 * @notice Semver is a simple contract for managing contract versions.
 */
contract Semver {
    /**
     * @notice Contract version number (major).
     */
    uint256 private immutable MAJOR_VERSION;

    /**
     * @notice Contract version number (minor).
     */
    uint256 private immutable MINOR_VERSION;

    /**
     * @notice Contract version number (patch).
     */
    uint256 private immutable PATCH_VERSION;

    /**
     * @param _major Version number (major).
     * @param _minor Version number (minor).
     * @param _patch Version number (patch).
     */
    constructor(uint256 _major, uint256 _minor, uint256 _patch) {
        MAJOR_VERSION = _major;
        MINOR_VERSION = _minor;
        PATCH_VERSION = _patch;
    }

    /**
     * @notice Returns the full semver contract version.
     *
     * @return Semver contract version as a struct.
     */
    function version() public view returns (Version memory) {
        return Version(MAJOR_VERSION, MINOR_VERSION, PATCH_VERSION);
    }
}