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

using BITKit;
namespace BITFALL.Guns
{
    /// <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; }
    }
    public interface ISpread:IProperty
    {
        /// <summary>
        /// 散射的方向
        /// </summary>
        Vector2 Spread { get; }
    }
    [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;
        public Vector3 Recoil => recoil;
    }
    /// <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;
    }
    public class AssetableGun : AssetableEquip
    {
        [Header(nameof(AssetableGun))]
        [SerializeReference, SubclassSelector] protected IFireMode fireMode = new AutoFireMode();
        [SerializeField] private int initialDamage;
        [SerializeField] private int initialBulletForce;
        [SerializeField] private int initialBulletSpeed = 128;
        [SerializeField] private int initialAimZoom = 1;
        [SerializeField] private bool isScopeAim;
        [SerializeField] private Optional<int> buckshot;  
        public IFireMode FireMode => fireMode;
        public int InitialBulletForce => initialBulletForce;
        public int InitialDamage => initialDamage;
        public int InitialBulletSpeed => initialBulletSpeed;
        public int InitialAimZoom => initialAimZoom;
        public bool IsScopeAim => isScopeAim;
        public IOptional<int> BuckShot => buckshot;
    }
}