using System;

namespace SM.Utility
{
    /// <summary>
    /// A global helper class for randomization.
    /// </summary>
    public class Randomize
    {
        /// <summary>
        /// The randomizer.
        /// </summary>
        public static Random Randomizer = new Random();

        /// <summary>
        /// Sets the seed for the randomizer.
        /// </summary>
        /// <param name="seed">The specified seed.</param>
        public static void SetSeed(int seed) { Randomizer = new Random(seed); }

        /// <summary>
        /// Generates a double and checks if its under the tolerance.
        /// </summary>
        public static bool GetBool(float tolerance) { return Randomizer.NextDouble() < tolerance; }

        /// <summary>
        /// Generates a integer.
        /// </summary>
        public static int GetInt() { return Randomizer.Next(); }
        /// <summary>
        /// Generates a integer with a maximum.
        /// </summary>
        public static int GetInt(int max) { return Randomizer.Next(max); }
        /// <summary>
        /// Generates a integer with a minimum and maximum
        /// </summary>
        public static int GetInt(int min, int max) { return Randomizer.Next(min, max); }

        /// <summary>
        /// Generates a float between 0 and 1.
        /// </summary>
        public static float GetFloat() { return (float)Randomizer.NextDouble(); }
        /// <summary>
        /// Generates a float between 0 and the specified maximum.
        /// </summary>
        public static float GetFloat(float max) { return (float)Randomizer.NextDouble() * max; }
        /// <summary>
        /// Generates a float between the specified minimum and the specified maximum.
        /// </summary>
        public static float GetFloat(float min, float max) { return (float)Randomizer.NextDouble() * max + min; }

    }
}