// Serialization.cs
using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;


namespace Funique
{
    /// <summary>
    /// Helping serializating the array or list varaible <br />
    /// ------------------------------------------------ <br />
    /// 幫助序列化 陣列或列表 的資料型態
    /// </summary>
    /// <typeparam name="T">Data type</typeparam>
    [Serializable]
    public class Serialization<T>
    {
        [SerializeField] List<T> target;
        public List<T> ToList() { return target; }
        public T[] ToArray() { return target.ToArray(); }

        public Serialization(List<T> target)
        {
            this.target = target;
        }

        public Serialization(T[] target)
        {
            this.target = target.ToList();
        }
    }

    /// <summary>
    /// Helping serializating the dictionary varaible <br />
    /// ------------------------------------------------ <br />
    /// 幫助序列化 目錄 的資料型態
    /// </summary>
    /// <typeparam name="T">Data type</typeparam>
    [Serializable]
    public class Serialization<TKey, TValue> : ISerializationCallbackReceiver
    {
        [SerializeField] List<TKey> keys;
        [SerializeField] List<TValue> values;

        Dictionary<TKey, TValue> target;
        public Dictionary<TKey, TValue> ToDictionary() { return target; }

        public Serialization(Dictionary<TKey, TValue> target)
        {
            this.target = target;
        }

        public void OnBeforeSerialize()
        {
            keys = new List<TKey>(target.Keys);
            values = new List<TValue>(target.Values);
        }

        public void OnAfterDeserialize()
        {
            var count = Math.Min(keys.Count, values.Count);
            target = new Dictionary<TKey, TValue>(count);
            for (var i = 0; i < count; ++i)
            {
                target.Add(keys[i], values[i]);
            }
        }
    }
}