using System.Collections.Generic;
using System.Runtime.CompilerServices;
using Entitas;
using xFrame;
using Proto;
using Sog;

namespace CoreGame.Render
{
    public struct Modifer
    {
        public Fixed64 val;
        public int def;
    }

    public delegate void OnPropertyChange(PropertyDef def, float dt, float val);

// PropertyContainer 是 PropertyComponent 的友元类
public partial class PropertyContainer {
    [Combat]
    public class PropertyComponent : IComponent, IReset
    {
        public CombatEntity ent;
        public PropertyContainer container;
        private readonly Dictionary<PropertyDef, List<OnPropertyChange>> m_PostChange = new();
        private readonly Dictionary<int, Modifer> m_Modifiers = new();
        
        public void SetLinkProperty(PropertyDef def)
        {
            container.SetLinkProperty(def, true);
        }
        public void SetLinkEid(int eid)
        {
            container.m_Eid = eid;
        }
        public void RegisterPostChange(PropertyDef propertyDef, OnPropertyChange onPostChange)
        {
            if (m_PostChange.TryGetValue(propertyDef, out var acts) == false)
            {
                acts = ListPool<OnPropertyChange>.Pop();
                m_PostChange.Add(propertyDef, acts);
                return;
            }

            acts.Add(onPostChange);
        }
        public void SetProperty(PropertyDef propertyDef, Fixed64 baseVal, bool force = false)
        {
            if (container.m_Properties[(int)propertyDef] != 0)
            {
                if (force == false)
                {
                    XLog.LogWarning($"PropertyDef {propertyDef} has been set");
                    return;
                }
            }

            container.m_Properties[(int)propertyDef] = baseVal;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void SetProperty_TenThousand(in PropertyDef propertyDef, long val, bool force = false)
        {
            if (container.m_Properties[(int)propertyDef] != 0)
            {
                if (force == false)
                {
                    XLog.LogWarning($"PropertyDef {propertyDef} has been set");
                    return;
                }
            }

            container.m_Properties[(int)propertyDef] = val * Fixed64.EN4;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public Fixed64 GetProperty(in PropertyDef propertyDef)
        {
            return container.GetProperty(propertyDef);
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public long GetProperty_Long(in PropertyDef propertyDef)
        {
            return container.GetProperty_Long(propertyDef);
        }
        //没有modifyid的话，是isntant的，无法撤销
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void Rest(PropertyDef propertyDef)
        {
            container.m_Properties[(int)propertyDef] = 0;
        }
        //没有modifyid的话，是isntant的，无法撤销
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void AddValue(PropertyDef propertyDef, Fixed64 value)
        {
            PushModifer(propertyDef, value, 0);
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void PushModifer_TenThousand(PropertyDef propertyDef, long value, int modifyId)
        {
            PushModifer(propertyDef, value * Fixed64.EN4, modifyId);
        }

        //没有modifyid的话，是isntant的，无法撤销
        //[MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void PushModifer(PropertyDef propertyDef, Fixed64 value, int modifyId)
        {
            if (modifyId == 0)
            {
                BattleLogger.LogInfoByEntity(ent, $"PushModifer [{propertyDef}] = [{value}] modifyId:{modifyId}");
                container.AddProperty(propertyDef, value);
                return;
            }

            if (m_Modifiers.TryGetValue(modifyId, out var modifer))
            {
                if (modifer.def == (int)propertyDef)
                {
                    container.AddProperty(propertyDef, -modifer.val);
                    m_Modifiers.Remove(modifyId);
                }
            }

            modifer = new Modifer
            {
                val = value,
                def = (int)propertyDef
            };
            m_Modifiers.Add(modifyId, modifer);
            BattleLogger.LogInfoByEntity(ent, $"PushModifer [{propertyDef}] = [{modifer.val}] modifyId:{modifyId}");
            container.AddProperty(propertyDef, modifer.val);
        } 
        //没有modifyid的话，是isntant的，无法撤销
        //[MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void PopModifer(PropertyDef propertyDef, int modifyId, bool nocheck = false)
        {
            if (m_Modifiers.TryGetValue(modifyId, out var modifer))
            {
                if (modifer.def == (int)propertyDef)
                {
                    BattleLogger.LogInfoByEntity(ent, $"PopModifer [{propertyDef}] = [{modifer.val}] modifyId:{modifyId}");
                    container.AddProperty(propertyDef, -modifer.val);
                    m_Modifiers.Remove(modifyId);
                }
                else
                {
                    BattleLogger.LogInfoByEntity(ent,$"RevertModifer failed, modifyId:{modifyId} propertyDef:{propertyDef}");
                }
            }
            else
            {
                if (nocheck == false)
                    BattleLogger.LogInfoByEntity(ent,$"RevertModifer failed, modifyId:{modifyId} propertyDef:{propertyDef}");
            }
        }

        public void TaskSnapShot(PropertyContainer cont)
        {
            for (int i = 0; i < container.m_Properties.Length; i++)
            {
                if (container.m_PropIsLink[i])
                {
                    cont.m_Properties[i] = container.GetProperty((PropertyDef)i);
                }
                else
                {
                    cont.m_Properties[i] = container.m_Properties[i];
                }
            }
        }
        
        public bool HasModifer()
        {
            return m_Modifiers.Count > 0;
        }

        #region 计算属性_中间属性

        public Fixed64 Atk => container.Atk;
        public Fixed64 MoveSpeed => container.MoveSpeed;
        public Fixed64 PickupRange => container.PickupRange;
        
        public long TotalHp => container.TotalHp;

        #endregion

        public void Reset()
        {
            foreach (var value in m_PostChange)
            {
                var onPropertyChanges = value.Value;
                ListPool<OnPropertyChange>.Push(ref onPropertyChanges);
            }

            m_PostChange.Clear();

            SptPool<PropertyContainer>.Free(ref container);
            m_Modifiers.Clear();
        }
    }
}
}