using Godot;
using System.Text;
using System.Collections.Generic;
using System.Linq;

using Rokojori.Extensions;
namespace Rokojori
{  
  public static class ArrayExtensions
  {
    public static void ForEach<[MustBeVariant] T>( this Godot.Collections.Array<T> array, System.Action<T> action )
    {
      for (int i = 0; i < array.Count; i++)
      {
        action( array[i] );
      }
    }

    public static void ForEach<[MustBeVariant] T>( this T[] array, System.Action<T> action )
    {
      for (int i = 0; i < array.Length; i++)
      {
        action( array[i] );
      }
    }

    public static void ForEachNonNull<[MustBeVariant] T>( this Godot.Collections.Array<T> array, System.Action<T> action ) where T:class
    {
      for (int i = 0; i < array.Count; i++)
      {
        if ( array[ i ] == null )
        {
          continue;
        }

        action( array[i] );
      }
    }

    public static void ForEachNonNull<T>( this T[] array, System.Action<T> action ) where T:class
    {
      for (int i = 0; i < array.Length; i++)
      {
        if ( array[ i ] == null )
        {
          continue;
        }
        
        action( array[i] );
      }
    }

    public static T Find<[MustBeVariant] T>( this Godot.Collections.Array<T> array, System.Func<T,bool> evaluater, int offset = 0 )
    {
      for ( int i = offset; i < array.Count; i++ )
      {
        if ( evaluater( array[ i ] ) )
        {
          return array[ i ];
        }
      }

      return default(T);
    }

    public static int FindIndex<[MustBeVariant] T>( this Godot.Collections.Array<T> array, System.Func<T,bool> evaluater, int offset = 0 )
    {
      for ( int i = offset; i < array.Count; i++ )
      {
        if ( evaluater( array[ i ] ) )
        {
          return i;
        }
      }

      return -1;
    }

  }
}