Command quick run autocomplete

SmartImage/Commands.cs

@@ -1,6 +1,9 @@
 #region
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
 using Neocmd;
 using SmartImage.Engines.SauceNao;
 using SmartImage.Model;
@@ -92,7 +95,7 @@ public static class Commands
 			Parameter   = "--add-to-path",
 			Syntax      = null,
 			Description = "Adds executable path to path environment variable",
-			Action      = args =>
+			Action = args =>
 			{
 				// done automatically for now
 				Config.AddToPath();
@@ -143,7 +146,7 @@ public static class Commands
 				if (args.Length >= 2) {
 					auto = args[1] == "auto";
 				}
-				
+
 				// todo
 				var acc = SauceNao.CreateAccount(auto);
 
@@ -176,5 +179,59 @@ public static void Setup()
 			CliOutput.Commands.AddRange(AllCommands);
 			CliOutput.Init(Config.NAME, false);
 		}
+
+		// https://github.com/fjunqueira/hinter
+		public static string ReadHintedLine<T, TResult>(IEnumerable<T> hintSource, Func<T, TResult> hintField,
+		                                                string         inputRegex = ".*",
+		                                                ConsoleColor   hintColor  = ConsoleColor.DarkGray)
+		{
+			ConsoleKeyInfo input;
+
+			var suggestion = string.Empty;
+			var userInput  = string.Empty;
+			var readLine   = string.Empty;
+
+			while (ConsoleKey.Enter != (input = Console.ReadKey()).Key) {
+				if (input.Key == ConsoleKey.Backspace)
+					userInput = userInput.Any() ? userInput.Remove(userInput.Length - 1, 1) : string.Empty;
+
+				else if (input.Key == ConsoleKey.Tab)
+					userInput = suggestion ?? userInput;
+
+				else if (input != null && Regex.IsMatch(input.KeyChar.ToString(), inputRegex))
+					userInput += input.KeyChar;
+
+				suggestion = hintSource.Select(item => hintField(item).ToString())
+				                       .FirstOrDefault(item => item.Length > userInput.Length &&
+				                                               item.Substring(0, userInput.Length) == userInput);
+
+				readLine = suggestion == null ? userInput : suggestion;
+
+				ClearCurrentConsoleLine();
+
+				Console.Write(userInput);
+
+				var originalColor = Console.ForegroundColor;
+
+				Console.ForegroundColor = hintColor;
+
+				if (userInput.Any())
+					Console.Write(readLine.Substring(userInput.Length, readLine.Length - userInput.Length));
+
+				Console.ForegroundColor = originalColor;
+			}
+
+			Console.WriteLine(readLine);
+
+			return userInput.Any() ? readLine : string.Empty;
+		}
+
+		private static void ClearCurrentConsoleLine()
+		{
+			int currentLineCursor = Console.CursorTop;
+			Console.SetCursorPosition(0, Console.CursorTop);
+			Console.Write(new string(' ', Console.WindowWidth));
+			Console.SetCursorPosition(0, currentLineCursor);
+		}
 	}
 }

SmartImage/Program.cs

@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO.Compression;
+using System.Linq;
 using Neocmd;
 using RapidSelenium;
 using SmartImage.Engines.SauceNao;
@@ -26,7 +27,7 @@ public static class Program
 
 		// copy SmartImage.exe C:\Library /Y
 		// copy SmartImage.exe C:\Users\Deci\Desktop /Y
-		
+
 		// Computer\HKEY_CLASSES_ROOT\*\shell\SmartImage
 		// Computer\HKEY_CURRENT_USER\Software\SmartImage
 
@@ -39,7 +40,7 @@ private static void Main(string[] args)
 		{
 			Commands.Setup();
 			Config.Setup();
-			
+
 
 			if (args == null || args.Length < 1) {
 				CliOutput.WriteError("Image or command not specified!");
@@ -49,11 +50,30 @@ private static void Main(string[] args)
 
 			var arg = args[0];
 
-			if (arg == "test") {
+			if (arg == "--test") {
 				// ...
-				
+
 				return;
 			}
+			else if (arg == "--qr") {
+				Console.Clear();
+
+				var commands = Commands.AllCommands.Select(c => c.Parameter).ToArray();
+
+				Console.WriteLine("Available commands:\n");
+
+				foreach (var c in commands)
+					Console.WriteLine(c);
+
+				Console.WriteLine("\nEnter a command:");
+
+				var input = Commands.ReadHintedLine(commands, c => c);
+
+				Console.WriteLine($"\n>> {input}");
+
+				args = input.Split(' ');
+				arg = args[0];
+			}
 
 			// Run the command if one was parsed
 			var cmd = CliOutput.ReadCommand(arg);

SmartImage/obj/Release/netcoreapp3.0/win10-x64/SmartImage.AssemblyInfo.cs

@@ -13,4 +13,4 @@
 [assembly: System.Reflection.AssemblyInformationalVersion("1.0.0")]
 [assembly: System.Reflection.AssemblyProduct("SmartImage")]
 [assembly: System.Reflection.AssemblyTitle("SmartImage")]
-[assembly: System.Reflection.AssemblyVersion("1.5.0.0")]
+[assembly: System.Reflection.AssemblyVersion("1.6.0.0")]