using Core.Health;
using TowerDefense.Towers;
using UnityEngine;

namespace TowerDefense.Affectors
{
	/// <summary>
	/// A class for providing information on to whether
	/// the children classes effects are valid
	/// </summary>
	public abstract class Affector : MonoBehaviour
	{
		/// <summary>
		/// Short description for affector for displaying in the UI
		/// </summary>
		public string description;

		/// <summary>
		/// Gets or sets the alignment
		/// </summary>
		public IAlignmentProvider alignment { get; protected set; }

		/// <summary>
		/// The physics mask to check against
		/// </summary>
		public LayerMask enemyMask { get; protected set; }

		/// <summary>
		/// 设置当前Affector对应的兵线ID.
		/// </summary>
		public int waveLineID { get; set; }


		/// <summary>
		/// 当前Affactor对应的Tower指针.
		/// </summary>
		public Tower towerPtr { get; set; }

		/// <summary>
		/// Initializes the effect with search data
		/// </summary>
		/// <param name="affectorAlignment">
		/// The alignment of the effect for search purposes
		/// </param>
		/// <param name="mask">
		/// The physics layer of to search for
		/// </param>
		public virtual void Initialize(IAlignmentProvider affectorAlignment, LayerMask mask)
		{
			alignment = affectorAlignment;
			enemyMask = mask;
		}

		/// <summary>
		/// 返回可能存在的Targetter.
		/// </summary>
		/// <returns></returns>
		public virtual TowerDefense.Targetting.Targetter GetTargetter()
        {
			return null;
        }

		/// <summary>
		/// Initializes the effect with search data
		/// </summary>
		/// <param name="affectorAlignment">
		/// The alignment of the effect for search purposes
		/// </param>
		public virtual void Initialize(IAlignmentProvider affectorAlignment)
		{
			Initialize(affectorAlignment, -1);
		}
	}
}