namespace SeaHaven.Services.DTOs
{
    public sealed class UploadCompletionDocumentResultDTO
    {
        public int Id { get; set; }
        public int Version { get; set; }
        public string ScanStatus { get; set; } = "Pending";
        public string ReviewStatus { get; set; } = "Processing";
        // SH-101: echoes the validated document purpose.
        public string Purpose { get; set; } = "Completion";
    }

    public sealed class VendorDocumentStatusDTO
    {
        public int Id { get; set; }
        public string OriginalFileName { get; set; } = string.Empty;
        public string ScanStatus { get; set; } = "Pending";
        public string ReviewStatus { get; set; } = "Processing";
        public string Purpose { get; set; } = "Completion";
    }

    public enum VendorDocumentDownloadOutcome
    {
        Ok,
        Locked,
        NotFound
    }

    public sealed class DownloadCompletionDocumentResultDTO
    {
        public VendorDocumentDownloadOutcome Outcome { get; set; }
        public Stream? Content { get; set; }
        public string? ContentType { get; set; }
        public string? FileName { get; set; }

        public static DownloadCompletionDocumentResultDTO Ok(Stream content, string contentType, string fileName) => new()
        {
            Outcome = VendorDocumentDownloadOutcome.Ok,
            Content = content,
            ContentType = contentType,
            FileName = fileName
        };

        public static DownloadCompletionDocumentResultDTO Locked() => new() { Outcome = VendorDocumentDownloadOutcome.Locked };
        public static DownloadCompletionDocumentResultDTO NotFound() => new() { Outcome = VendorDocumentDownloadOutcome.NotFound };
    }
}