wet-pancake/WetPancakeCLI/ConsoleCommands.cs

using Console.Waterworks;
using Console.Waterworks.Attributes;
using System;
using static WetPancake.Pancake;
using static System.Environment;
using System.Diagnostics;
using System.Threading.Tasks;
using Microsoft.FSharp.Control;
using Microsoft.FSharp.Core;
using System.Threading;

namespace WetPancakeCLI
{
    public static class ConsoleCommands
    {
        // Pass these in when running an FSharpAsync task.
        // Examples are within the command-methods.
        static FSharpOption<TaskCreationOptions> _taskCreationOptions = FSharpOption<TaskCreationOptions>.None;
        static FSharpOption<CancellationToken> _cancellationToken = FSharpOption<CancellationToken>.None;

        [ListCommand]
        [Description("Prints a test message to the console.")]
        [Parameters("None")]
        [Usage("> Test")]
        public static string Test() => "SUCCESS: Console.Waterworks is wired into Wet Pancake CLI.";

        [ListCommand]
        [Description("Lists out the commands this program offers.")]
        [Parameters("None")]
        [Usage("> Help")]
        public static string Help() => new CW_Liaison().RequestHelpDocumentation("WetPancakeCLI");

        [ListCommand]
        [Description("Exits out of the program.")]
        [Parameters("None")]
        [Usage("> Exit")]
        public static void Exit() => Environment.Exit(ExitCode);

        [ListCommand]
        [Description("Generates random text, the number of sentences generated is randomly determined.")]
        [Parameters("None")]
        [Usage("> GenerateRandomText")]
        public static string GenerateRandomText()
        {
            string result = String.Empty;
            try { return FSharpAsync.StartAsTask(RequestRandomText(), _taskCreationOptions, _cancellationToken).Result; }
            catch (Exception e)
            {
                Debug.WriteLine(e.Message);
                System.Console.WriteLine("[ERROR] Unable to complete request. Re-executing command...");
                return FSharpAsync.StartAsTask(RequestRandomText(), _taskCreationOptions, _cancellationToken).Result;
            }
        }

        [ListCommand]
        [Description("Generates text using the gibberish level and number of sentences specified by the user. Gibberish level must be greater the 1.")]
        [Parameters("gibberish level: int, sentences: int")]
        [Usage("> GenerateText 5 10")]
        public static string GenerateText(int gibberishLevel, int sentences)
        {
            if (gibberishLevel < 2) return "Please enter a gibberish level greater than 1.";
            try { return RequestText(gibberishLevel, sentences); }
            catch (Exception e)
            {
                Debug.WriteLine(e.Message);
                System.Console.WriteLine("[ERROR] Unable to complete request. Re-executing command...");
                return RequestText(gibberishLevel, sentences);
            }
        }

        // YOU ARE WORKING IN HERE... (0.5-P1)
        [ListCommand]
        [Description("Loads the specified .txt file and generates text based on it using the gibberish level and number of sentences specified by the user. Gibberish level must be greater the 1.")]
        [Parameters("gibberish level: int, sentences: int, file path: string")]
        [Usage("> RequestTextFromFile 3 6 C:/yourfile.txt")]
        public static string GenerateTextFromFile(int gibberishLevel, int sentences, string filePath)
        {
            // Could do with checking if the file type is .txt...
            if (gibberishLevel < 2) return "Please enter a gibberish level greater than 1.";
            try
            { return RequestTextFromFile(gibberishLevel, sentences, filePath); }
            catch (Exception e)
            {
                Debug.WriteLine(e.Message);
                System.Console.WriteLine("[ERROR] Unable to complete request. Re-executing command...");
                return RequestTextFromFile(gibberishLevel, sentences, filePath);
            }
        }
    }
}