using System;

namespace Plugins.JNGame.Util
{
    public static class RandomUtil
    {

        public static Func<double> SyncRandom(int seed,int start = 1)
        {
            
            for(var i = 0; i < start; i++){
                seed = (seed * 9301 + 49297) % 233280;
            }

            return () =>
            {
                seed = (seed * 9301 + 49297) % 233280;
                var rnd = seed / 233280.0;
                return 0 + rnd * (1 - 0);
            };

        }

        public static Func<int,int,int> SyncRandomInt(int seed,int start = 1)
        {
            var nRandom = SyncRandom(seed, start);

            return (min, max) => (int)(Math.Round(nRandom() * (max - min)) + min);

        }

        public static Func<int> Next(int start)
        {
            return () => start++;
        }
        
    }
}