using System;
using System.Collections;
using System.Collections.Generic;
using BITKit;
using UnityEngine;

namespace BITFALL.Guns
{
    #region Interfaces

    


	  /// <summary>
        /// 射击模式的接口
        /// </summary>
        public interface IFireMode 
        {
            float FireRate { get; }
        }
        /// <summary>
        /// 后坐力接口定义
        /// </summary>
        public interface IRecoil:IProperty
        {
            /// <summary>
            /// 后坐力的方向
            /// </summary>
            Vector3 Recoil { get; }
            Vector3 ViewRecoilScale { get; }
        }
        public interface ISpread:IProperty
        {
            /// <summary>
            /// 散射的方向
            /// </summary>
            Vector2 Spread { get; }
        }
        /// <summary>
        /// 弹药类型
        /// </summary>
        public interface IAmmoType:IProperty
        {
        }
        /// <summary>
        /// 弹匣属性,无此属性则为无弹匣
        /// </summary>
        
        public interface IClip:IProperty,ICount,ICloneable
        {
            /// <summary>
            /// 剩余子弹
            /// </summary>
            public int Remaining { get; set; }
            /// <summary>
            /// 容量
            /// </summary>
            public int Capacity { get; }
            /// <summary>
            /// 为空则为默认
            /// </summary>
            public IAmmoType AmmoType { get; }
            /// <summary>
            /// 指向的ScriptableObject
            /// </summary>
            public string AddressablePath { get; }
        }
        #endregion
        
        [Serializable]
        [CustomType(typeof(ISpread))]
        public struct VectorSpread:ISpread
        {
            [SerializeField] private Vector2 spread;
            public Vector2 Spread => spread;
        }
        [Serializable]
        [CustomType(typeof(IRecoil))]
        public struct VectorRecoil:IRecoil
        {
            [SerializeField] private Vector3 recoil;
            [SerializeField] private Vector3 viewRecoilWeight;
            public Vector3 Recoil => recoil;
            public Vector3 ViewRecoilScale => viewRecoilWeight;
        }
        /// <summary>
        /// 射击模式的基类
        /// </summary>
        public record FireMode : IFireMode {
            [SerializeField]protected float fireRate;
            public float FireRate => fireRate;
        }
        /// <summary>
        /// 自动开火模式
        /// </summary>
        [System.Serializable]
        public record AutoFireMode : FireMode
        {
        }
        /// <summary>
        /// 半自动开火模式
        /// </summary>
        [System.Serializable]
        public record SemiFireMode : FireMode
        {
            [SerializeField] private bool requireBoltAction;
            public bool RequireBoltAction => requireBoltAction;
        }
        /// <summary>
        /// 爆炸射击模式 BurstRound为爆炸开火时一次发射的子弹数量
        ///
        /// </summary>
        [System.Serializable]
        public record BurstFireMode : FireMode
        {
            [SerializeField] protected int brustRound;
            [SerializeField] protected float burstFireInterval;
            public int BurstRound=> brustRound;
            public float BurstFireInterval => burstFireInterval;
        }
        [CustomType(typeof(IClip))]
        [CustomType(typeof(ICount))]
        [Serializable]
        public class DefaultClip:IClip
        {
            [SerializeField]private int remaining;
            [SerializeField]private int capacity;
            [SerializeReference,SubclassSelector]private IAmmoType ammoType;
            [SerializeField] private ScriptableItem ammoItem;
            private int _count;

            public int Remaining
            {
                get => remaining;
                set => remaining = value;
            }

            public int Capacity => capacity;

            public IAmmoType AmmoType => ammoType;

            public string AddressablePath => ammoItem.AddressablePath;

            public override string ToString()
            {
                return $"{(ammoItem != null ? ammoItem.Name : nameof(DefaultClip))}:{remaining}/{capacity}";
            }

            public object Clone() => new DefaultClip()
            {
                _count = _count,
                ammoItem = ammoItem,
                ammoType = ammoType,
                capacity = capacity,
                remaining = remaining
            };

            public int Count => Remaining;
        }
}