private void PrintHelp(UserConsole console, StateKeeper stateKeeper, List <string> helpText)
{
for (var i = stateKeeper.ShowedResults; i < helpText.Count; i++)
{
console.WriteLine(helpText[i]);
stateKeeper.ShowedResults = i + 1;
stateKeeper.SaveState();
}
}
private void Add(UserConsole console, StateKeeper stateKeeper)
{
stateKeeper.ArgsCount = 2;
var args = stateKeeper.GetArgs();
var a = args[0] == null?int.Parse(console.ReadLine().Trim(), Culture) : int.Parse(args[0], Culture);
stateKeeper.Args[0] = a.ToString(Culture);
stateKeeper.SaveState();
var b = args[1] == null?int.Parse(console.ReadLine().Trim(), Culture) : int.Parse(args[1], Culture);
stateKeeper.Args[1] = b.ToString(Culture);
stateKeeper.SaveState();
console.WriteLine((a + b).ToString(Culture));
}
private void Random(UserConsole console, StateKeeper stateKeeper)
{
const int a = 16807;
const int m = 2147483647;
stateKeeper.ResultsCount = stateKeeper.ResultsCount == 0
? int.Parse(console.ReadLine().Trim(), Culture)
: stateKeeper.ResultsCount;
stateKeeper.SaveState();
for (var i = stateKeeper.ShowedResults; i < stateKeeper.ResultsCount; i++)
{
console.WriteLine(stateKeeper.x.ToString(Culture));
stateKeeper.x = a * stateKeeper.x % m;
stateKeeper.ShowedResults = i + 1;
stateKeeper.SaveState();
}
}
private void Median(UserConsole console, StateKeeper stateKeeper)
{
stateKeeper.ArgsCount = stateKeeper.ArgsCount == -1
? int.Parse(console.ReadLine().Trim(), Culture)
: stateKeeper.ArgsCount;
stateKeeper.SaveState();
var args = stateKeeper.GetArgs();
for (var i = 0; i < stateKeeper.ArgsCount; i++)
{
args[i] = args[i] ?? console.ReadLine().Trim();
stateKeeper.SaveState();
}
var result = CalculateMedian(args.Select(x => int.Parse(x, Culture)).ToList());
console.WriteLine(result.ToString(Culture));
}
public override void Run(UserConsole userConsole, Storage storage)
{
var stateKeeper = new StateKeeper(storage, Culture);
while (true)
{
stateKeeper.CurrentCommand ??= userConsole.ReadLine().Trim();
stateKeeper.SaveState();
switch (stateKeeper.CurrentCommand)
{
case "exit":
stateKeeper.Dispose();
return;
case "add":
Add(userConsole, stateKeeper);
break;
case "median":
Median(userConsole, stateKeeper);
break;
case "help":
Help(userConsole, stateKeeper);
break;
case "rand":
Random(userConsole, stateKeeper);
break;
default:
userConsole.WriteLine("Такой команды нет, используйте help для списка команд");
break;
}
stateKeeper.Clear();
stateKeeper.SaveState();
}
}
private void Help(UserConsole console, StateKeeper stateKeeper)
{
const string exitMessage = "Чтобы выйти из режима помощи введите end";
const string commands = "Доступные команды: add, median, rand";
stateKeeper.ArgsCount = 1;
if (stateKeeper.ResultsCount == 0)
{
var introText = new List <string>
{
"Укажите команду, для которой хотите посмотреть помощь", commands, exitMessage
};
PrintHelp(console, stateKeeper, introText);
stateKeeper.ResultsCount = 1;
stateKeeper.ShowedResults = 0;
stateKeeper.SaveState();
}
while (true)
{
var command = stateKeeper.GetArgs()[0] == null || stateKeeper.GetArgs()[0].Equals("")
? console.ReadLine().Trim()
: stateKeeper.GetArgs()[0];
stateKeeper.Args[0] = command;
stateKeeper.SaveState();
switch (command)
{
case "end":
return;
case "add":
var addText = new List <string> {
"Вычисляет сумму двух чисел", exitMessage
};
PrintHelp(console, stateKeeper, addText);
break;
case "median":
var medianText = new List <string> {
"Вычисляет медиану списка чисел", exitMessage
};
PrintHelp(console, stateKeeper, medianText);
break;
case "rand":
var randText = new List <string> {
"Генерирует список случайных чисел", exitMessage
};
PrintHelp(console, stateKeeper, randText);
break;
default:
var defaultText = new List <string> {
"Такой команды нет", commands, exitMessage
};
PrintHelp(console, stateKeeper, defaultText);
break;
}
stateKeeper.Args[0] = null;
stateKeeper.ShowedResults = 0;
}
}