// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
//
// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
//
// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！

using System.Text.Json;

namespace Admin.NET.Core;

/// <summary>
/// 当前登录用户信息
/// </summary>
public class UserManager(
    SysCacheService sysCacheService,
    IHttpContextAccessor httpContextAccessor) : UserSessionDao, IScoped
{
    /// <summary>
    /// 用户Session
    /// </summary>
    [System.Text.Json.Serialization.JsonIgnore]
    [Newtonsoft.Json.JsonIgnore]
    protected virtual UserSessionDao _session { get; set; }

    /// <summary>
    /// 代理对象
    /// </summary>
    [System.Text.Json.Serialization.JsonIgnore]
    [Newtonsoft.Json.JsonIgnore]
    protected virtual UserSessionDao Session
    {
        get
        {
            if (_session == null || _session.UserId != UserId) _session = sysCacheService.Get<UserSessionDao>(CacheConst.KeyUserSession + UserId);
            return _session;
        }
    }

    /// <summary>
    /// 用户Id
    /// </summary>
    [System.Text.Json.Serialization.JsonIgnore]
    [Newtonsoft.Json.JsonIgnore]
    public override long UserId => (httpContextAccessor.HttpContext?.User.FindFirst(nameof(UserId))?.Value).ToLong();

    /// <summary>
    /// Token版本号
    /// </summary>
    [System.Text.Json.Serialization.JsonIgnore]
    [Newtonsoft.Json.JsonIgnore]
    public override int TokenVersion => (httpContextAccessor.HttpContext?.User.FindFirst(nameof(UserId))?.Value).ToInt();

    /// <summary>
    /// 应用Id
    /// </summary>
    public override long? AppId => Session?.AppId;

    /// <summary>
    /// 租户Id
    /// </summary>
    public override long? TenantId => Session?.TenantId;

    /// <summary>
    /// 用户账号
    /// </summary>
    public override string Account => Session?.Account;

    /// <summary>
    /// 真实姓名
    /// </summary>
    public override string RealName => Session?.RealName;

    /// <summary>
    /// 昵称
    /// </summary>
    public override string NickName => Session?.NickName;

    /// <summary>
    /// 账号类型
    /// </summary>
    public override AccountTypeEnum? AccountType => Session?.AccountType;

    /// <summary>
    /// 组织机构Id
    /// </summary>
    public override long OrgId => Session?.OrgId ?? 0;

    /// <summary>
    /// 组织机构名称
    /// </summary>
    public override string OrgName => Session?.OrgName;

    /// <summary>
    /// 组织机构Id
    /// </summary>
    public override string OrgType => Session?.OrgType;

    /// <summary>
    /// 职位Id
    /// </summary>
    public override long? PosId => Session?.PosId;

    /// <summary>
    /// 职位名称
    /// </summary>
    public override string PosName => Session?.PosName;

    /// <summary>
    /// 职位编码
    /// </summary>
    public override string PosCode => Session?.PosCode;

    /// <summary>
    /// 组织机构级别
    /// </summary>
    public override int? OrgLevel => Session?.OrgLevel;

    /// <summary>
    /// 登录模式
    /// </summary>
    public override LoginModeEnum? LoginMode => Session?.LoginMode;

    /// <summary>
    /// 微信OpenId
    /// </summary>
    public override string OpenId => Session?.OpenId;

    /// <summary>
    /// 最大数据范围权限
    /// </summary>
    public override DataScopeEnum? MaxDataScope => Session?.MaxDataScope;

    /// <summary>
    /// 角色Id集
    /// </summary>
    public override List<long> RoleIds => Session?.RoleIds;

    /// <summary>
    /// 机构Id集
    /// </summary>
    public override List<long> OrgIds => Session?.OrgIds;

    /// <summary>
    /// 职位Id集
    /// </summary>
    public override List<long> PosIds => Session?.PosIds;

    /// <summary>
    /// 权限集
    /// </summary>
    public override List<string> Permissions => Session?.Permissions;

    /// <summary>
    /// App权限集
    /// </summary>
    public override List<string> AppPermissions => Session?.AppPermissions;

    /// <summary>
    /// 无权权限集
    /// </summary>
    public override List<string> UnauthorizedPermissions => Session?.UnauthorizedPermissions;

    /// <summary>
    /// 扩展属性
    /// </summary>
    public override Dictionary<string, dynamic> ExtProps => Session?.ExtProps;

    /// <summary>
    /// 用户Session是否存在
    /// </summary>
    public bool ExistSession(long userId)
    {
        return sysCacheService.ExistKey(CacheConst.KeyUserSession + userId);
    }

    /// <summary>
    /// 设置用户Session
    /// </summary>
    public void SetSession(UserSessionDao userSession)
    {
        sysCacheService.Set(CacheConst.KeyUserSession + userSession.UserId, userSession);
    }

    /// <summary>
    /// 清除指定用户Session
    /// </summary>
    public void RemoveSession(long userId)
    {
        sysCacheService.Remove(CacheConst.KeyUserSession + userId);
    }

    /// <summary>
    /// 获取指定用户Session
    /// </summary>
    public UserSessionDao GetSession(dynamic userId)
    {
        return sysCacheService.Get<UserSessionDao>(CacheConst.KeyUserSession + userId);
    }

    /// <summary>
    /// 获取指定用户Session，如果不存在则刷新
    /// </summary>
    public UserSessionDao GetSessionOrRefresh(dynamic userId = null)
    {
        userId ??= UserId;
        var session = sysCacheService.Get<UserSessionDao>(CacheConst.KeyUserSession + userId);
        if (session == null)
        {
            if ((Nullable.GetUnderlyingType(userId.GetType()) ?? userId.GetType()) != typeof(long))
            {
                if (long.TryParse(userId.ToString(), out long tempId)) userId = tempId;
                else return null;
            }
            LazyHelper.GetService<SysAuthService>().RefreshSession(userId).GetAwaiter().GetResult();
        }
        return sysCacheService.Get<UserSessionDao>(CacheConst.KeyUserSession + userId);
    }

    /// <summary>
    /// 获取扩展属性
    /// </summary>
    public T GetExtProp<T>(string key, T defaultValue = default)
    {
        if (ExtProps == null || !ExtProps.TryGetValue(key, out var value) || value is null) return defaultValue;
        if (value is JsonElement element) return element.Deserialize<T>();
        try
        {
            return (T)Convert.ChangeType(value, typeof(T));
        }
        catch
        {
            return defaultValue;
        }
    }
}