// ***********************************************************************
// Assembly         : Game
// Author           : Kimch
// Created          : 2020-09-10
// Description      :
// Last Modified By : 
// Last Modified On : 
// ***********************************************************************
// <copyright file= "EntityItemGem" company="KUNPO"></copyright>
// <summary></summary>
// ***********************************************************************

using UnityEngine;

namespace G
{
	/// <summary>
	/// 宝石实体类
	/// </summary>
	public sealed class EntityItemGem : EntityItem<ItemGem>
	{
		#region Field

		private ItemGem _item;

		/// <summary>
		/// 属性
		/// </summary>
		public CombatAttribute attribute;
		/// <summary>
		/// 
		/// </summary>
		private int _combatValue;

		/// <summary>
		/// 
		/// </summary>
		public int combatValue
		{
			get { return _combatValue; }
		}

		/// <summary>
		/// 
		/// </summary>
		public override ItemGem item => _item;

		/// <summary>
		/// 排序规则
		/// </summary>
		public override int sortOrder => _itemId;
		/// <summary>
		/// 
		/// </summary>
		public override int level => _item.grade;

		private const int MAX_GEM_LEVEL = 12;

		/// <summary>
		/// 升级
		/// </summary>
		/// <returns>0 -1 no money </returns>
		public EntityItemGem Upgrade(int amount = int.MaxValue)
		{
			if (this.level < MAX_GEM_LEVEL)
			{
				var tmp = this.count;
				if (tmp >= 2 && amount > 0)
				{
					int result = Mathf.Min(tmp / 2, amount);
					this.count = tmp - result * 2;
					return ItemProxy.Instance.AddGem(_itemId + 1, result);
				}
			}
			return default;
		}

		/// <summary>
		/// 
		/// </summary>
		/// <param name="amount"></param>
		/// <returns></returns>
		public Item.ItemInfo GetUpdgradeCost(int amount = int.MaxValue)
		{
			if (this.level < MAX_GEM_LEVEL)
			{
				var tmp = this.count;
				if (tmp >= 2 && amount > 0)
				{
					int result = Mathf.Min(tmp / 2, amount);
					var cost = _item.costInfo;
					cost.count *= result;
					return cost;
				}
			}
			return default;
		}

		#endregion

		#region Method

		/// <summary>
		/// 
		/// </summary>
		protected override void Init()
		{
			base.Init();
			_item = ItemProxy.Instance.GetStaticItem<ItemGem>(_itemId);
			this.attribute = CombatAttribute.Convert(_item.attribute);
			_combatValue = this.attribute.combatValue;
		}

		/// <summary>
		/// 
		/// </summary>
		/// <returns></returns>
		public override string ToString()
		{
			return attribute.ToString();
		}

		#endregion
	}
}