/// <summary>
/// Move nb cars to another BasicLine (By 3 max)
/// </summary>
/// <param name="moveTo">BasicLine to move the cars to</param>
/// <param name="nb">number of cars to move</param>
public void Move(BasicLine moveTo, int nb)
{
int num;
while ((num = Math.Min(nb, 3)) > 0)
{
nb -= num;
string str = Cars.Substring(0, num);
Console.WriteLine($"Move {num} car ({str}) from {Name} to {moveTo.Name}.");
Cars = Cars.Substring(num);
moveTo.Cars = str + moveTo.Cars;
}
}
/// <summary>
/// CTOR No blocking
/// </summary>
/// <param name="path">path of the input file to use</param>
/// <param name="c">car to find</param>
public YardMaster(string path, char c)
{
_trainLine = new BasicLine();
_lines = new List<YardLine>();
if (!File.Exists(path))
throw new FileNotFoundException(path + " is not found");
int index = 0;
using (StreamReader sr = new StreamReader(path))
{
while (sr.Peek() >= 0)
{
_lines.Add(new YardLine(c, sr.ReadLine(), index++));
}
}
if (_lines.Count() != 6)
throw new InvalidDataException("The input file doesn't provide 6 lines");
}