//	Spludlow Software
//	Copyright © Samuel P. Ludlow 2020 All Rights Reserved
//	Distributed under the terms of the GNU General Public License version 3
//	Distributed WITHOUT ANY WARRANTY; without implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
//	https://www.spludlow.co.uk/LICENCE.TXT
//	The Spludlow logo is a registered trademark of Samuel P. Ludlow and may not be used without permission
//	v1.14

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Spludlow.Io
{
	public class Format
	{
		public static string FormatDisk(string volume, string fileSystem, string label)
		{

			//ReFS	4096	64K
			//NTFS	512	1024	2048	4096	8192	16K	32K	64K	128K	256K	512K	1M	2M
			//FAT	512	1024	2048	4096	8192	16K	32K	64K	(128K, 256K for sector size > 512 bytes).
			//FAT32	512	1024	2048	4096	8192	16K	32K	64K     (128K, 256K for sector size > 512 bytes).
			//exFAT	512, 1024, 2048, 4096, 8192, 16K, 32K, 64K, 128K, 256K, 512K, 1M, 2M, 4M, 8M, 16M, 32M.


			/// FS:filesystem Specifies the type of the file system(FAT, FAT32, exFAT,
			//  NTFS, UDF, ReFS).

			List<string> options = new List<string>();

			options.Add(volume);

			if (fileSystem != null)
				options.Add("/FS:" + fileSystem);

			options.Add("/V:" + label);

			options.Add("/Q");  //	quick
			options.Add("/X");  //	force
			options.Add("/Y");  //	yes
			
			//options.Add("/A:" + "64K");	//	allocation unit sizes

			StringBuilder arguments = new StringBuilder();

			foreach (string option in options)
			{
				if (arguments.Length > 0)
					arguments.Append(" ");

				arguments.Append(option);
			}

			SpawnProcess.ProcessExitInfo info = Spludlow.SpawnProcess.Run(@"C:\Windows\System32\format.com", arguments.ToString(), 0);

			//Spludlow.Log.Report("FormatDisk " + volume, info.StandardOutput);

			if (info.ExitCode != 0 || info.StandardError.Length > 0)
			{
				Spludlow.Log.Error("FormatDisk " + volume + ", Exit Code:" + info.ExitCode, info.StandardError);
				throw new ApplicationException("FormatDisk Error " + info.ExitCode);
			}

			return info.StandardOutput;
		}
	}
}