using System;
using SepCore.Definition;
using SepCore.CustomUtility;
using UnityGameFramework.Runtime;

namespace SepCore.Definition
{
    public class StatModifier
    {
        public StatType StatType;
        public float Value;
        public bool IsPercent;

        public static StatModifier StringToModifier(string input)
        {
            if (string.IsNullOrEmpty(input))
            {
                Log.Warning("Invalid modifier: {0}", input);
                return null;
            }

            if (!input.StartsWith('[') || !input.EndsWith(']'))
            {
                throw new ArgumentException("Input must be enclosed in square brackets.");
            }

            string inner = input.Substring(1, input.Length - 2);

            // 如果是空列表 "[]"
            if (inner.Length == 0) return null;

            string[] property = inner.Split(",");
            int propertyIndex = 0;
            return new StatModifier
            {
                StatType = EnumUtility<StatType>.Get(property[propertyIndex++]),
                Value = float.Parse(property[propertyIndex++]),
                IsPercent = bool.Parse(property[propertyIndex++])
            };
        }
    }
}