namespace OASystem.API.OAMethodLib.TokenHubAI.Models;

/// <summary>
/// TokenHub API 异常
/// </summary>
public class TokenHubException : Exception
{
    /// <summary>
    /// HTTP 状态码
    /// </summary>
    public int StatusCode { get; }

    /// <summary>
    /// 错误类型
    /// </summary>
    public string? ErrorType { get; }

    /// <summary>
    /// 业务错误码
    /// </summary>
    public string? ErrorCode { get; }

    /// <summary>
    /// 错误来源
    /// </summary>
    public string? Source { get; }

    /// <summary>
    /// 请求 ID
    /// </summary>
    public string? RequestId { get; }

    /// <summary>
    /// 是否可重试
    /// </summary>
    public bool IsRetryable { get; }

    /// <summary>
    /// 原始错误对象
    /// </summary>
    public TokenHubError? ErrorDetail { get; }

    public TokenHubException(
        string message,
        int statusCode,
        TokenHubError? errorDetail = null,
        Exception? innerException = null)
        : base(message, innerException)
    {
        StatusCode = statusCode;
        ErrorDetail = errorDetail;

        if (errorDetail != null)
        {
            ErrorType = errorDetail.Type;
            ErrorCode = errorDetail.Code;
            Source = errorDetail.Source;
            RequestId = errorDetail.RequestId;
            IsRetryable = errorDetail.IsRetryable;
        }
    }

    public override string ToString()
    {
        var parts = new List<string>
            {
                $"StatusCode: {StatusCode}",
                $"Message: {Message}"
            };

        if (!string.IsNullOrEmpty(ErrorCode))
            parts.Add($"ErrorCode: {ErrorCode}");

        if (!string.IsNullOrEmpty(ErrorType))
            parts.Add($"ErrorType: {ErrorType}");

        if (!string.IsNullOrEmpty(RequestId))
            parts.Add($"RequestId: {RequestId}");

        if (IsRetryable)
            parts.Add("Retryable: Yes");

        return $"TokenHubException: {string.Join(", ", parts)}";
    }

    ///// <summary>
    ///// 转换为 JsonView
    ///// </summary>
    //public JsonView ToJsonView(this TokenHubException ex)
    //{
    //    // 获取用户友好消息（使用已有的扩展方法）
    //    string message = ex.GetUserFriendlyMessage();

    //    // 构建附加数据
    //    var data = new
    //    {
    //        ex.StatusCode,
    //        ex.ErrorCode,
    //        ex.ErrorType,
    //        ex.RequestId,
    //        ex.IsRetryable,
    //        ex.Source
    //    };

    //    // 使用 JsonView.Fail 返回
    //    return JsonView.Fail(message, StatusCodes.Status400BadRequest, data);
    //}
}