using System;
using System.Collections.Generic;

namespace Progress;

public static class DescriptionGenerator
{
    private static readonly string[] _verbs = new[] { "Downloading", "Rerouting", "Retriculating", "Collapsing", "Folding", "Solving", "Colliding", "Measuring" };
    private static readonly string[] _nouns = new[] { "internet", "splines", "space", "capacitators", "quarks", "algorithms", "data structures", "spacetime" };

    private static readonly Random _random;
    private static readonly HashSet<string> _used;

    static DescriptionGenerator()
    {
        _random = new Random(DateTime.Now.Millisecond);
        _used = new HashSet<string>();
    }

    public static bool TryGenerate(out string name)
    {
        var iterations = 0;
        while (iterations < 25)
        {
            name = Generate();
            if (!_used.Contains(name))
            {
                _used.Add(name);
                return true;
            }

            iterations++;
        }

        name = Generate();
        return false;
    }

    public static string Generate()
    {
        return _verbs[_random.Next(0, _verbs.Length)]
            + " " + _nouns[_random.Next(0, _nouns.Length)];
    }
}