namespace Oms.Application.Storage;

/// <summary>
/// 预签名 PUT 直传凭证（前端直接 PUT 到 COS，文件不经后端）。
/// </summary>
public sealed class PresignedUploadTicket
{
    /// <summary>库内应保存的逻辑 key（不含 KeyPrefix）。</summary>
    public string Key { get; init; } = string.Empty;

    /// <summary>一次性 PUT 地址（含签名）。</summary>
    public string UploadUrl { get; init; } = string.Empty;

    public string Method { get; init; } = "PUT";

    /// <summary>PUT 时必须带上的 Content-Type（若签发时绑定了则必填）。</summary>
    public string? ContentType { get; init; }

    /// <summary>PUT 时必须原样携带的请求头。</summary>
    public IReadOnlyDictionary<string, string> Headers { get; init; } =
        new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);

    public DateTime ExpireAt { get; init; }
}

/// <summary>
/// STS 临时密钥直传凭证（前端用 cos-js-sdk 等上传）。
/// </summary>
public sealed class StsUploadTicket
{
    /// <summary>库内应保存的逻辑 key。</summary>
    public string Key { get; init; } = string.Empty;

    /// <summary>COS 对象完整键（含 KeyPrefix），SDK putObject 用。</summary>
    public string CosKey { get; init; } = string.Empty;

    public string Bucket { get; init; } = string.Empty;

    public string Region { get; init; } = string.Empty;

    public string TmpSecretId { get; init; } = string.Empty;

    public string TmpSecretKey { get; init; } = string.Empty;

    public string SessionToken { get; init; } = string.Empty;

    public long StartTime { get; init; }

    public long ExpiredTime { get; init; }
}