namespace HutongGames.PlayMaker.Actions
{
    [ActionCategory(ActionCategory.String)]
    [Tooltip("Splits a string into substrings using separator characters.")]
    public class StringSplit : FsmStateAction
    {
        [UIHint(UIHint.Variable)]
        [Tooltip("String to split.")]
        public FsmString stringToSplit;

        [Tooltip("Characters used to split the string.\nUse '\\n' for newline\nUse '\\t' for tab")]
        public FsmString separators;

        [Tooltip("Remove all leading and trailing white-space characters from each separated string.")]
        public FsmBool trimStrings;

        [Tooltip("Optional characters used to trim each separated string.")]
        public FsmString trimChars;

        [UIHint(UIHint.Variable)]
        [ArrayEditor(VariableType.String)]
        [Tooltip("Store the split strings in a String Array.")]
        public FsmArray stringArray;

        public override void Reset()
        {
            stringToSplit = null;
            separators = null;
            trimStrings = false;
            trimChars = null;
            stringArray = null;
        }

	    public override void OnEnter()
	    {
	        var trimCharsArray = trimChars.Value.ToCharArray();

            if (!stringToSplit.IsNone && !stringArray.IsNone)
	        {
	            stringArray.Values = stringToSplit.Value.Split(separators.Value.ToCharArray());
	            if (trimStrings.Value)
	            {
	                for (var i = 0; i < stringArray.Values.Length; i++)
	                {
                        var s = stringArray.Values[i] as string;
                        if (s == null) continue;
	                    if (!trimChars.IsNone && trimCharsArray.Length > 0)
	                    {
                            stringArray.Set(i, s.Trim(trimCharsArray));
                        }
	                    else
	                    {
	                        stringArray.Set(i, s.Trim());
	                    }
	                }
                   
	            }
                stringArray.SaveChanges();
	        }

		    Finish();
	    }


    }

}