using System;
using System.Collections;
using UnityEngine.TestTools;

namespace BracerLib.Utility
{
    [ExcludeFromCoverage]
    public static class ArrayExtensions
    {
        public static bool Contains<T>(this T[] array, T value) where T : IComparable
        {
            for (var i = 0; i < array.Length; i++)
            {
                if (array[i].CompareTo(value) == 0)
                    return true;
            }

            return false;
        }

        public static bool Contains<T, U>(this T[] array, U value, Func<T, U, bool> predicate)
        {
            for (var i = 0; i < array.Length; i++)
            {
                if (predicate(array[i], value))
                    return true;
            }

            return false;
        }

        public static T[] Subset<T>(this T[] data, int index, int length)
        {
            var result = new T[length];
            Array.Copy(data, index, result, 0, length);

            return result;
        }

        public static bool HasIndex(this IList list, int index) => index >= 0 && index < list.Count;

        public static bool HasIndex(this Array array, int index) => index >= 0 && index < array.Length;
    }
}