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using System;
using System.Collections.Generic;
using System.Threading.Tasks;
namespace PKISharp.WACS.Services
{
public interface IInputService
{
Task<TResult?> ChooseOptional<TSource, TResult>(string what, IEnumerable<TSource> options, Func<TSource, Choice<TResult?>> creator, string nullChoiceLabel) where TResult : class;
Task<TResult> ChooseRequired<TSource, TResult>(string what, IEnumerable<TSource> options, Func<TSource, Choice<TResult>> creator);
Task<TResult> ChooseFromMenu<TResult>(string what, List<Choice<TResult>> choices, Func<string, Choice<TResult>>? unexpected = null);
Task<bool> PromptYesNo(string message, bool defaultOption);
Task<string?> ReadPassword(string what);
Task<string> RequestString(string what);
Task<string> RequestString(string[] what);
void CreateSpace();
void Show(string? label, string? value = null, int level = 0);
Task<bool> Wait(string message = "Press <Enter> to continue");
Task WritePagedList(IEnumerable<Choice> listItems);
string FormatDate(DateTime date);
}
public class Choice
{
public static Choice<TItem> Create<TItem>(
TItem item,
string? description = null,
string? command = null,
bool @default = false,
(bool, string?)? disabled = null,
ConsoleColor? color = null)
{
var newItem = new Choice<TItem>(item);
if (disabled == null)
{
disabled = (false, null);
}
// Default description is item.ToString, but it may
// be overruled by the optional parameter here
if (!string.IsNullOrEmpty(description))
{
newItem.Description = description;
}
newItem.Command = command;
newItem.Color = color;
newItem.Disabled = disabled.Value.Item1;
newItem.DisabledReason = disabled.Value.Item2;
newItem.Default = @default;
return newItem;
}
public string? Command { get; set; }
public string? Description { get; set; }
public bool Default { get; set; }
public bool Disabled { get; set; }
public string? DisabledReason { get; set; }
public ConsoleColor? Color { get; set; }
}
public class Choice<T> : Choice
{
public Choice(T item)
{
Item = item;
if (item != null)
{
Description = item.ToString();
}
}
public T Item { get; }
}
}
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