using System.ComponentModel.DataAnnotations;

namespace Domain.Entities.Developers;

/// <summary>
/// 공개 API (/v1/*) 호출 로그.
/// 집계/모니터링/Rate limit 분석용. 1 row = 1 호출.
/// ApplicationID(OAuth2) 또는 PatID(PAT) 중 하나가 채워짐.
/// </summary>
public class ApiRequestLog
{
    [Key]
    public long ID { get; private set; }

    public int? ApplicationID { get; private set; }

    public long? PatID { get; private set; }

    public string Endpoint { get; private set; } = default!;

    public string Method { get; private set; } = default!;

    public int StatusCode { get; private set; }

    public int ResponseMs { get; private set; }

    public string? IpAddress { get; private set; }

    public DateTime RequestedAt { get; private set; } = DateTime.UtcNow;

    private ApiRequestLog() { }

    public static ApiRequestLog Create(
        int? applicationID,
        long? patID,
        string endpoint,
        string method,
        int statusCode,
        int responseMs,
        string? ipAddress
    )
    {
        return new ApiRequestLog
        {
            ApplicationID = applicationID,
            PatID = patID,
            Endpoint = endpoint,
            Method = method,
            StatusCode = statusCode,
            ResponseMs = responseMs,
            IpAddress = ipAddress
        };
    }
}