using Microsoft.AspNetCore.Http;
using Sarand.Net.Standard.Base.Core;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

namespace Saxonite.Net.Core.Web.Base.Procs.Data
{
	//=======================================================================
	/// <summary>
	/// Object to persist upload file after request has terminated, and the Form File has been disposed.
	/// <para>- Too allow async processes to access the file after request completed.</para>
	/// </summary>
	public class UploadFileData
	{
		//-------------------------------------------------------------------
		public UploadFileData(IFormFile dataFile)
		{
			ContentDisposition = dataFile.ContentDisposition;
			ContentType = dataFile.ContentType;
			FileName = dataFile.FileName;
			Length = dataFile.Length;
			Name = dataFile.Name;
			foreach (var header in dataFile.Headers)
				Headers.Add(header.Key, header.Value.ToString());
			// Load file data.
			using (MemoryStream stream = new MemoryStream())
			{
				dataFile.CopyTo(stream);
				FileData = stream.ToArray();
			}
		}

		//-------------------------------------------------------------------
		// Properties.

		/// <summary>Gets the raw Content-Disposition header of the uploaded file.</summary>				
		public String ContentDisposition { get; }

		/// <summary>Gets the raw Content-Type header of the uploaded file.</summary>				
		public String ContentType { get; }

		/// <summary>Gets the file name from the Content-Disposition header.</summary>				
		public String FileName { get; }

		/// <summary>Gets the header dictionary of the uploaded file.</summary>		
		public Dictionary<String, String> Headers { get; } = new Dictionary<String, String>();

		/// <summary>Gets the file length in bytes.</summary>
		public long Length { get; }

		/// <summary>Gets the form field name from the Content-Disposition header.</summary>
		public String Name { get; }

		/// <summary>File data.</summary>
		public byte[] FileData { get; }

		//-------------------------------------------------------------------
	}
	//=======================================================================
}