using System;
using XP.Common.License.Enums;

namespace XP.Common.License.Implementations
{
    /// <summary>
    /// 授权检查结果（不可变）| License check result (immutable)
    /// </summary>
    public sealed class LicenseCheckResult
    {
        /// <summary>
        /// 消息最大长度 | Maximum message length
        /// </summary>
        private const int MaxMessageLength = 512;

        /// <summary>
        /// 是否授权成功 | Whether authorization is successful
        /// </summary>
        public bool IsAuthorized { get; }

        /// <summary>
        /// 结果消息（最大512字符）| Result message (maximum 512 characters)
        /// </summary>
        public string Message { get; }

        /// <summary>
        /// 授权模式 | License mode
        /// </summary>
        public LicenseMode LicenseMode { get; }

        /// <summary>
        /// 模块ID | Module ID
        /// </summary>
        public ushort ModuleId { get; }

        /// <summary>
        /// 授权到期日期 | License expiration date
        /// </summary>
        public DateTime? ExpirationDate { get; }

        /// <summary>
        /// SMA到期日期 | SMA expiration date
        /// </summary>
        public DateTime? SmaDate { get; }

        /// <summary>
        /// 浮动许可IP地址 | Floating license IP address
        /// </summary>
        public string? FloatingLicenseIp { get; }

        /// <summary>
        /// 浮动许可端口 | Floating license port
        /// </summary>
        public string? FloatingLicensePort { get; }

        /// <summary>
        /// 构造函数 | Constructor
        /// </summary>
        /// <param name="isAuthorized">是否授权成功 | Whether authorization is successful</param>
        /// <param name="message">结果消息 | Result message</param>
        /// <param name="licenseMode">授权模式 | License mode</param>
        /// <param name="moduleId">模块ID | Module ID</param>
        /// <param name="expirationDate">授权到期日期 | License expiration date</param>
        /// <param name="smaDate">SMA到期日期 | SMA expiration date</param>
        /// <param name="floatingLicenseIp">浮动许可IP地址 | Floating license IP address</param>
        /// <param name="floatingLicensePort">浮动许可端口 | Floating license port</param>
        public LicenseCheckResult(
            bool isAuthorized,
            string message,
            LicenseMode licenseMode,
            ushort moduleId,
            DateTime? expirationDate,
            DateTime? smaDate,
            string? floatingLicenseIp,
            string? floatingLicensePort)
        {
            IsAuthorized = isAuthorized;
            Message = string.IsNullOrEmpty(message)
                ? string.Empty
                : message.Length > MaxMessageLength
                    ? message[..MaxMessageLength]
                    : message;
            LicenseMode = licenseMode;
            ModuleId = moduleId;
            ExpirationDate = expirationDate;
            SmaDate = smaDate;
            FloatingLicenseIp = floatingLicenseIp;
            FloatingLicensePort = floatingLicensePort;
        }
    }
}