DisplayMagician/HeliosPlus/Validators.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using McMaster.Extensions.CommandLineUtils;
using McMaster.Extensions.CommandLineUtils.Validation;
using System.ComponentModel.DataAnnotations;
using HeliosPlus.Shared;
using HeliosPlus.GameLibraries;
using System.Text.RegularExpressions;
using System.ServiceModel.Dispatcher;

namespace HeliosPlus
{
    class ProfileMustExistValidator : IOptionValidator
    {
        public ValidationResult GetValidationResult(CommandOption optionProfile, ValidationContext context)
        {
            // This validator only runs if there is a value
            if (!optionProfile.HasValue()) return ValidationResult.Success;
            var profile = optionProfile.Value();

            // Create an array of display profiles we have
            var profiles = Profile.LoadAllProfiles().ToArray();
            // Check if the user supplied a --profile option using the profiles' ID
            var profileIndex = profiles.Length > 0 ? Array.FindIndex(profiles, p => p.Id.Equals(profile, StringComparison.InvariantCultureIgnoreCase)) : -1;
            // If the profileID wasn't there, maybe they used the profile name?
            if (profileIndex == -1)
            {
                // Try and lookup the profile in the profiles' Name fields
                profileIndex = profiles.Length > 0 ? Array.FindIndex(profiles, p => p.Name.StartsWith(profile, StringComparison.InvariantCultureIgnoreCase)) : -1;
            }
            // If the profileID still isn't there, then raise the alarm
            if (profileIndex == -1)
            {
                return new ValidationResult($"Couldn't find Profile Name or ID supplied via command line: '{optionProfile.LongName}'. Please check the Profile Name or ID you supplied on the command line is correct.");
            }

            Console.WriteLine($"Using Profile: '{profiles[profileIndex].Name}' (ID:{profiles[profileIndex].Id})");
            return ValidationResult.Success;
        }
    }

    class ShortcutMustExistValidator : IArgumentValidator
    {
        public ValidationResult GetValidationResult(CommandArgument argumentShortcutName, ValidationContext context)
        {
            // This validator only runs if there is a string provided
            if (argumentShortcutName.Value == "") return ValidationResult.Success;
            string shortcutNameProvided = (string) argumentShortcutName.Value;
            string shortcutName = "";

            // check if the shortcut name is surrounded by speech marks
            int shortcutNameIndexLeft = shortcutNameProvided.IndexOf('"');
            int shortcutNameIndexRight = shortcutNameProvided.LastIndexOf('"');
            if (shortcutNameIndexLeft != -1 && shortcutNameIndexRight != -1 && shortcutNameIndexLeft != shortcutNameIndexRight)
            {
                MatchCollection matches = Regex.Matches(shortcutNameProvided, @"'(.*?)'");
                shortcutName = matches[0].Groups[1].Value; // (Index 1 is the first group)
            }
            else
            {
                shortcutName = shortcutNameProvided;
            }

            // Create an array of shortcuts we have
            var shortcuts = ShortcutRepository.AllShortcuts.ToArray();
            // Check if the user supplied a valid shortcut name
            int profileIndex = shortcuts.Length > 0 ? Array.FindIndex(shortcuts, p => p.Name.Contains(shortcutName)) : -1;
            
            // If the profileID still isn't there, then raise the alarm
            if (profileIndex == -1)
            {
                return new ValidationResult($"Couldn't find Shortcut Name supplied via command line: '{shortcutName}'. Please check the Shortcut Name you supplied on the command line is correct.");
            }

            Console.WriteLine($"Using Shortcut: '{shortcuts[profileIndex].Name}'");
            return ValidationResult.Success;
        }
    }


    class FileOptionMustExistValidator : IOptionValidator
    {
        public ValidationResult GetValidationResult(CommandOption optionFullFileName, ValidationContext context)
        {
            // This validator only runs if there is a string provided
            if (optionFullFileName.Value() == "") return ValidationResult.Success;
            var fileNameAndPath = optionFullFileName.Value();

            // Check that the file exists
            if (!File.Exists(fileNameAndPath))
            {
                return new ValidationResult($"Couldn't find the file '{optionFullFileName.Value()}' supplied to '{optionFullFileName.LongName}'. Please check you specified the full path to the file on the command line.");
            }

            return ValidationResult.Success;
        }
    }

    class FileArgumentMustExistValidator : IArgumentValidator
    {
        public ValidationResult GetValidationResult(CommandArgument argumentFullFileName, ValidationContext context)
        {
            // This validator only runs if there is a string provided
            if (argumentFullFileName.Value == "") return ValidationResult.Success;
            var fileNameAndPath = argumentFullFileName.Value;

            // Check that the file exists
            if (!File.Exists(fileNameAndPath))
            {
                return new ValidationResult($"Couldn't find the file '{argumentFullFileName.Value}' supplied to '{argumentFullFileName.Name}'. Please check you specified the full path to the file on the command line.");
            }

            return ValidationResult.Success;
        }
    }

}