using Dpz.Core.EnumLibrary;

namespace Dpz.Core.Public.ViewModel.Response;

/// <summary>
/// 账号会话信息
/// </summary>
public class AccountSessionResponse
{
    /// <summary>
    /// 会话记录 ID
    /// </summary>
    public required string Id { get; set; }

    /// <summary>
    /// 账号
    /// </summary>
    public required string Account { get; set; }

    /// <summary>
    /// 会话 ID
    /// </summary>
    public required string SessionId { get; set; }

    /// <summary>
    /// 登录 IP 地址
    /// </summary>
    public string? IpAddress { get; set; }

    /// <summary>
    /// 客户端原始 User-Agent
    /// </summary>
    public string? UserAgent { get; set; }

    /// <summary>
    /// 设备名称
    /// </summary>
    public string? DeviceName { get; set; }

    /// <summary>
    /// 设备类型（如 mobile、desktop、tablet）
    /// </summary>
    public string? DeviceType { get; set; }

    /// <summary>
    /// 浏览器名称
    /// </summary>
    public string? BrowserName { get; set; }

    /// <summary>
    /// 浏览器版本
    /// </summary>
    public string? BrowserVersion { get; set; }

    /// <summary>
    /// 操作系统名称
    /// </summary>
    public string? OsName { get; set; }

    /// <summary>
    /// 操作系统版本
    /// </summary>
    public string? OsVersion { get; set; }

    /// <summary>
    /// 客户端平台标识
    /// </summary>
    public string? Platform { get; set; }

    /// <summary>
    /// 屏幕宽度（像素）
    /// </summary>
    public int? ScreenWidth { get; set; }

    /// <summary>
    /// 屏幕高度（像素）
    /// </summary>
    public int? ScreenHeight { get; set; }

    /// <summary>
    /// 客户端语言
    /// </summary>
    public string? Language { get; set; }

    /// <summary>
    /// 定位纬度
    /// </summary>
    public double? Latitude { get; set; }

    /// <summary>
    /// 定位经度
    /// </summary>
    public double? Longitude { get; set; }

    /// <summary>
    /// 定位精度（米）
    /// </summary>
    public double? LocationAccuracy { get; set; }

    /// <summary>
    /// 定位来源（如 GPS、IP）
    /// </summary>
    public string? LocationSource { get; set; }

    /// <summary>
    /// 所在国家
    /// </summary>
    public string? Country { get; set; }

    /// <summary>
    /// 所在省份/地区
    /// </summary>
    public string? Region { get; set; }

    /// <summary>
    /// 所在城市
    /// </summary>
    public string? City { get; set; }

    /// <summary>
    /// 时区
    /// </summary>
    public string? TimeZone { get; set; }

    /// <summary>
    /// 网络运营商（ISP）
    /// </summary>
    public string? Isp { get; set; }

    /// <summary>
    /// 定位信息更新时间
    /// </summary>
    public DateTime? LocationUpdatedTime { get; set; }

    /// <summary>
    /// 登录方式
    /// </summary>
    public LoginMethod Method { get; set; }

    /// <summary>
    /// 是否已撤销
    /// </summary>
    public bool Revoked { get; set; }

    /// <summary>
    /// 撤销时间
    /// </summary>
    public DateTime? RevokedTime { get; set; }

    /// <summary>
    /// 创建时间
    /// </summary>
    public DateTime CreateTime { get; set; }

    /// <summary>
    /// 最近活跃时间
    /// </summary>
    public DateTime LastActiveTime { get; set; }

    /// <summary>
    /// 是否为当前会话
    /// </summary>
    public bool IsCurrent { get; set; }

    /// <summary>
    /// 设备显示名称
    /// </summary>
    public string Device =>
        string.IsNullOrWhiteSpace(DeviceName) ? ToDeviceName(UserAgent) : DeviceName;

    /// <summary>
    /// 登录方式的中文名称
    /// </summary>
    public string MethodName =>
        Method switch
        {
            LoginMethod.Password => "密码登录",
            LoginMethod.Passkey => "Passkey 登录",
            _ => Method.ToString(),
        };

    /// <summary>
    /// 会话状态的中文名称（已撤销/活跃）
    /// </summary>
    public string StatusName => Revoked ? "已撤销" : "活跃";

    /// <summary>
    /// 是否处于有效（未撤销）状态
    /// </summary>
    public bool IsSuccess => !Revoked;

    private static string ToDeviceName(string? userAgent)
    {
        if (string.IsNullOrWhiteSpace(userAgent))
        {
            return "未知设备";
        }

        return userAgent.Length <= 96 ? userAgent : $"{userAgent[..96]}...";
    }
}