static void Main(string[] args)
{
List <Rover> roverList = new List <Rover>();
List <int> terrainMaxPoints = new List <int>();
//Gets the instructions from .txt file located under application base directory.
var commandlines = File.ReadAllLines(AppDomain.CurrentDomain.BaseDirectory + @"\\roverCommands.txt").Where(x => !string.IsNullOrWhiteSpace(x)).ToList();
if (commandlines.Count < 3)
{
throw new Exception(
$"Insufficient information provided. Information must include terrain max cooridnates. At least one rover's initial positions and movement information");
}
var terrainPointsInput = commandlines[0].Trim().Split(' ').ToList();
//Parses and validates the gathered information for terrain data.
ParseAndValidateTerrainData(terrainPointsInput, terrainMaxPoints);
for (int i = 1; i < commandlines.Count; i += 2)
{
Rover rover = new Rover();
var initialRoverPosition = commandlines[i].Trim().Split(' ').ToList();
//Parses and validates the gathered information for mars rover.
ParseAndValidateInitialRoverData(initialRoverPosition, rover);
//Checks if initial rover placement location is occupied by another rover.
CheckLocationAvailability(roverList, rover, terrainMaxPoints);
//Checks if any move information exists.
if (commandlines.Count == i + 1)
{
throw new Exception($"Rover#{roverList.Count + 1} movement terminated. Missing move information");
}
//Gets the rover's move command(s).
var moves = commandlines[i + 1].ToUpper().Trim().Replace(" ", "").ToCharArray();
try
{
//Starts rover's movement.
rover.StartMoving(terrainMaxPoints, moves, roverList);
roverList.Add(rover);
Console.WriteLine($"Rover#{roverList.Count} moved successfully to target location ({rover.X},{rover.Y} {rover.Direction.ToString()})");
}
catch (Exception e)
{
Console.WriteLine($"Rover#{roverList.Count + 1} movement terminated.");
throw e;
}
}
//Successful Output.
foreach (var rover in roverList)
{
Console.WriteLine($"{rover.X} {rover.Y} {rover.Direction.ToString()}");
}
Console.ReadLine();
}
