public static void Main(string[] args)
{
ISequence sequence = new FibonacciSequence();
var ui = new FibonacciSequenceUI();
var app = new FibonacciSequenceApp(ui, sequence);
try
{
app.Run(args[0], args[1]);
}
catch (IndexOutOfRangeException exception)
{
ui.DisplayResult(FibonacciSequenceUI.Instruction);
log.Error(exception);
}
catch (ArgumentException exception)
{
ui.DisplayResult(FibonacciSequenceUI.Mistake);
ui.DisplayResult(FibonacciSequenceUI.Instruction);
log.Error(exception);
}
catch (FormatException exception)
{
ui.DisplayResult(FibonacciSequenceUI.Mistake);
ui.DisplayResult(FibonacciSequenceUI.Instruction);
log.Error(exception);
}
}
private void GetSequence(int start, int end)
{
CheckRange(start, end);
var index = 0;
var currentNumber = sequence[index];
var isValid = true;
var isEmpty = true;
while (isValid)
{
if (currentNumber > start && currentNumber < end)
{
ui.DisplayNumberOfSequence(currentNumber);
isEmpty = false;
ui.DisplayDelimiter(sequence[index + 1] < end
? FibonacciSequenceUI.Comma
: FibonacciSequenceUI.Point);
}
if (currentNumber > end)
{
isValid = false;
}
index++;
currentNumber = sequence[index];
}
if (isEmpty)
{
ui.DisplayResult(FibonacciSequenceUI.EmptySequence);
}
}