using Sortering;
using System.Diagnostics;

internal class Program
{
    private static int[] _ints;
    private static bool _running = true;

    private static Random _random = new Random();

    private static Dictionary<string, Action<string[]>> Commands =
        new Dictionary<string, Action<string[]>>(StringComparer.OrdinalIgnoreCase)
        {
            { "insertionsort", SortInsertion },
            { "bubblesort", SortBubble },
            { "mkarray", MkArray },
            { "cat", Cat },
        };

    private static void Main(string[] args)
    {
        while (_running)
        {
            Console.Write("> ");
            var input = Console.ReadLine();
            if (string.IsNullOrWhiteSpace(input)) continue;

            var parts = input.Split(' ', StringSplitOptions.RemoveEmptyEntries);
            var cmd = parts[0];
            var cmdArgs = parts.Length > 1 ? parts[1..] : Array.Empty<string>();

            if (Commands.TryGetValue(cmd, out var action))
                action(cmdArgs);
            else
            {
                Console.WriteLine("Unknown command, commands available are:");
                foreach (var kvp in Commands)
                {
                    Console.WriteLine(kvp.Key);
                }
            }
            
        }
    }

    private static void SortInsertion(string[] strings)
    {
        Stopwatch sw = new Stopwatch();
        sw.Start();

        Sort.InsertionSort(_ints);

        long timeElapsed = sw.ElapsedMilliseconds;
        Console.WriteLine("Sorted array in " + timeElapsed.ToString() + "ms");
    }

    private static void SortBubble(string[] strings)
    {
        Stopwatch sw = new Stopwatch();
        sw.Start();

        Sort.BubbleSort(_ints);

        long timeElapsed = sw.ElapsedMilliseconds;
        Console.WriteLine("Sorted array in " + timeElapsed.ToString() + "ms");
    }

    private static void Cat(string[] strings)
    {
        for (int i = 0; i < _ints.Length; i++)
        {
            Console.WriteLine(_ints[i]);
        }
    }


    private static void MkArray(string[] strings)
    {
        if (strings.Length < 1) return;

        int count = int.Parse(strings[0]);

        _ints = new int[count];

        for (int i=0; i< count; i++)
        {
            _ints[i] = _random.Next(count);
        }

        Console.WriteLine("Created array with " + strings[0] + " indices");
    }
}