using System;
using System.Runtime.CompilerServices;
using Proto;
using Sog;
using xFrame;

namespace CoreGame.Render
{
    public class PropRelation
    {
        public int propTotal = 0;
        public int propTotalRate = 0;
    }

    public partial class PropertyContainer : ISptPool
    {
        private static readonly float s_Epsilon = 0.000001f;
        public static float Epsilon => s_Epsilon * 2;
        public static readonly PropertyContainer s_Empty = new();
        private static readonly PropRelation[] s_PropRelations = new PropRelation[(int)PropertyDef.Size];
        // 进来的全是万分比
        private readonly Fixed64[] m_Properties = new Fixed64[(int)PropertyDef.Size];
        // 是否是链式属性，比如被关联的存活，就要取被关联者是属性
        private readonly bool[] m_PropIsLink = new bool[(int)PropertyDef.Size];
        private int m_Eid;
        static PropertyContainer()
        {
            s_PropRelations[(int)PropertyDef.CurHp] = new PropRelation()
            {
                propTotal = (int)PropertyDef.HpFixedIncrease,
                propTotalRate = (int)PropertyDef.HpPercentIncrease,
            };
            
            s_PropRelations[(int)PropertyDef.Ammo] = new PropRelation()
            {
                propTotal = (int)PropertyDef.AmmoMax,
            };
            // s_TypeDict[(int)PropertyDef.Atk] = true;
            // s_TypeDict[(int)PropertyDef.AtkFixedIncrease] = true;
            // s_TypeDict[(int)PropertyDef.CurHp] = true;
            // s_TypeDict[(int)PropertyDef.TotalHp] = true;
        }
        public void Awake()
        {
            Awake(this, 0);
        }
        public void Awake(PropertyContainer other)
        {
            Awake(other, 0);
        }
        public void Awake(PropertyContainer other, int eid)
        {
            Array.Copy(other.m_Properties, m_Properties, m_Properties.Length);
            Array.Copy(other.m_PropIsLink, m_PropIsLink, m_PropIsLink.Length);
            m_Properties[(int)PropertyDef.Calc_GunBalance] = 1;
        }
        private void SetLinkProperty(in PropertyDef propertyDef, bool isLink)
        {
            m_PropIsLink[(int)propertyDef] = isLink;
        }
        
        public void AddProperty(in PropertyDef propertyDef, Fixed64 val)
        {
#if UNITY_EDITOR
            if (propertyDef == PropertyDef.None && val != 0)
            {
                XLog.LogWarning("给PropertyDef.None属性赋值了，请检查配置...");
                return;
            }
#endif
            var index = (int)propertyDef;
            m_Properties[index] += val;
            
            var propRelation = s_PropRelations[index];
            if (propRelation != null)
            {
                var total = m_Properties[propRelation.propTotal];
                var rate = m_Properties[propRelation.propTotalRate];
                var max = total * (1 + rate);
                
                if (m_Properties[index] > max)
                {
                    m_Properties[index] = max;
                    // XLog.LogWarning($"PropertyDef {propertyDef} is over max");
                }
            }
        }
        
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public long GetProperty_Long(in PropertyDef propertyDef)
        {
            var index = (int)propertyDef;
            if (m_PropIsLink[index])
            {
                var entity = Contexts.Combat.GetEntity(m_Eid);
                if (entity != null)
                {
                    var propertyLong = entity.property.GetProperty_Long(propertyDef);
                    m_Properties[index] = propertyLong;
                }
            }
            return m_Properties[index].AsLong; // 防止精度问题
        }
        
        // [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public Fixed64 GetProperty(in PropertyDef propertyDef)
        {
            var index = (int)propertyDef;
            if (m_PropIsLink[index])
            {
                var entity = Contexts.Combat.GetEntity(m_Eid);
                if (entity != null)
                {
                    var propertyLong = entity.property.GetProperty(propertyDef);
                    m_Properties[index] = propertyLong;
                }
            }
            return m_Properties[(int)propertyDef]; // 防止精度问题
        }
        
        // [MethodImpl(MethodImplOptions.AggressiveInlining)]
        // public float GetProperty_Float(in PropertyDef propertyDef)
        // {
        //     var index = (int)propertyDef;
        //     if (m_PropIsLink[index])
        //     {
        //         var entity = Contexts.Combat.GetEntity(m_Eid);
        //         if (entity != null)
        //         {
        //             var propertyLong = entity.property.GetProperty(propertyDef);
        //             m_Properties[index] = propertyLong;
        //         }
        //     }
        //     return (float)(m_Properties[(int)propertyDef]); // 防止精度问题
        // }
        
        /// <summary>
        /// 攻击力
        /// </summary>
        public Fixed64 Atk => m_Properties[(int)PropertyDef.AtkFixedIncrease] * (1 +  m_Properties[(int)PropertyDef.AtkPercentIncrease]);
        public Fixed64 Def => m_Properties[(int)PropertyDef.DefFixedIncrease] * (1 +  m_Properties[(int)PropertyDef.DefPercentIncrease]);
        public Fixed64 MoveSpeed => GetProperty(PropertyDef.SpeedFixedIncrease) * (1 + GetProperty(PropertyDef.SpeedPercentIncrease));
        public Fixed64 PickupRange => GetProperty(PropertyDef.BasePickupRange) * (1 + GetProperty(PropertyDef.PickupRangeIncrease));
        public long TotalHp => (GetProperty(PropertyDef.HpFixedIncrease) * (1 + GetProperty(PropertyDef.HpPercentIncrease))).AsLong;
        public void Reset()
        {
            Array.Clear(m_Properties, 0, m_Properties.Length);
        }


    }
}