using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;

using UnityEngine;

namespace SK.Framework
{
    [Serializable]
    public class Variables
    {
        [SerializeField] private List<Variable> variables;

        public ReadOnlyCollection<Variable> VariableCollection
        {
            get { return variables.AsReadOnly(); }
        }

        public Variable this[int index]
        {
            get { return variables[index]; }
        }
        public object Get(string name)
        {
            if(null == variables || variables.Count <= 0)
            {
                return null;
            }
            var variable = variables.Find(v => v.Name.Equals(name));
            return variable?.GetValue();
        }
        public void Set(string name, object value)
        {
            if(null == variables || variables.Count <= 0)
            {
                return;
            }
            var variable = variables.Find(v => v.Name.Equals(name));
            variable?.SetValue(value);
        }
        public T Get<T>(string name)
        {
            if (null == variables || variables.Count <= 0)
            {
                return default;
            }
            var variable = variables.Find(v => v.Name.Equals(name));
            return variable == null ? default : variable.GetValue<T>();
        }
        public void Set<T>(string name, T value)
        {
            if(null == variables || variables.Count <= 0)
            {
                return;
            }
            var variable = variables.Find(v => v.Name.Equals(name));
            variable?.SetValue<T>(value);
        }
        public static implicit operator List<Variable>(Variables array)
        {
            return array.variables;
        }
        public static implicit operator Variables(List<Variable> variables)
        {
            return new Variables() { variables = variables };
        }
    }
}