--------瞬时Buff------
local BuffOperator_Instant = {}
local FormulaCalculator = require "Battle/Logic/Missile/FormulaCalculator"
local tempUpdateDataPool = {RuntimeDataManager.New_BuffUpdate(),RuntimeDataManager.New_BuffUpdate(),RuntimeDataManager.New_BuffUpdate()}
local EventSystem = require('Event/EventSystem')
local BattleEffect = require"Battle/Logic/BattleEffect/BattleEffect"

--LevelManager的private.InitLevel调用结束
--※注意此时 CurLevelFunc 还没有调用InitLevel
function BuffOperator_Instant.BeforeLevelInit()
    --关卡初始化阶段重置临时池子，防止缓存污染
    tempUpdateDataPool = {RuntimeDataManager.New_BuffUpdate(),RuntimeDataManager.New_BuffUpdate(),RuntimeDataManager.New_BuffUpdate()}
end

function BuffOperator_Instant.GetBuffUpdateFromPool()
    --因为会递归调用，所以不能像之前那样简单复用tempUpdateData了,搞个简单的池
    local tempUpdateData = nil
    if #tempUpdateDataPool > 0 then
        tempUpdateData = tempUpdateDataPool[#tempUpdateDataPool]
        tempUpdateDataPool[#tempUpdateDataPool] = nil
        RuntimeDataManager.Reset_BuffUpdate(tempUpdateData)
    else
        tempUpdateData = RuntimeDataManager.New_BuffUpdate()
    end
    return tempUpdateData
end

function BuffOperator_Instant.FreeBuffUpdate(buffUpdateData)
    tempUpdateDataPool[#tempUpdateDataPool + 1] = buffUpdateData
end


function BuffOperator_Instant.Add(buffData,targetEntity,sourceEntity,missile,ctrlParam,index)
    --如果死亡则不会触发瞬时Buff
    if not targetEntity.components.attr:IsAlive() then
        return nil
    end
    local tempUpdateData = BuffOperator_Instant.GetBuffUpdateFromPool()
    
    if buffData.IsRecordSource and sourceEntity then
        tempUpdateData.SourceEntity = sourceEntity
    else
        tempUpdateData.SourceEntity = nil
    end
    tempUpdateData.MissileHurtID = ctrlParam.MissileHurtID
    tempUpdateData.IsTracker = ctrlParam.IsTracker
    tempUpdateData.BuffOverRideFomula = ctrlParam.BuffOverRideFomula
    tempUpdateData.BuffLayer = ctrlParam.ForceLayer
    tempUpdateData.MissileOfInstantBuff = missile
    if missile then
        tempUpdateData.MissileHitCount = missile.CurFrameHitEntityCount
        local dynamicDmgFactor = missile:GetDynamicDamageFactor()
        if dynamicDmgFactor and dynamicDmgFactor ~= FP.Const.One then
            tempUpdateData.MissileDamageFactor = missile:GetDynamicDamageFactor()
        end
    end
    
    BuffOperator_Instant.Execute(buffData, targetEntity, sourceEntity, tempUpdateData ,ctrlParam.HpChangeType)
    BuffOperator_Instant.AddHandles(buffData, targetEntity, sourceEntity, ctrlParam)
    SystemManager.ShowPSEffect(targetEntity, targetEntity.components.replace:GetCurModelBuffResource(buffData) )
    if not string.isNilOrEmpty(buffData.QueueResource) then
        SystemManager.AddQueueEffect(targetEntity, buffData.QueueResource)
    end
    return tempUpdateData
end


function BuffOperator_Instant.Refresh(buffData,targetEntity,sourceEntity,missile,ctrlParam,index)
    return BuffOperator_Instant.Add(buffData,targetEntity,sourceEntity,missile,ctrlParam,index)
end


function BuffOperator_Instant.Delete(buffData, entity, updateData, addList)

end


function BuffOperator_Instant.ExclusiveDelete(buffData, entity, addBuffIdExclus, addBuffGroupExclus, updateData)

end

function BuffOperator_Instant.Execute(buffData, targetEntity, sourceEntity, updateData , hpChangeType)
    BuffOperator_Instant.CastStartEffect(buffData,updateData,sourceEntity,targetEntity)
    --主视角事件
    if sourceEntity == LogicUpdateManager._curEntity or (LogicUpdateManager._curEntity and sourceEntity == LogicUpdateManager._curEntity.components.adjutant.AdjutantEntity) then
        if updateData.MissileHurtID and not (hpChangeType == LuaConst.EHpChangeType.DOT) then
            --不知道为什么dot不派发事件出去
            --因为策划规定dot伤害不计连击数
            local attr = targetEntity.components.attr
            local beforeHP = attr.hp[1]
            FormulaCalculator.CalculateResult(buffData,updateData,targetEntity,sourceEntity, 1,hpChangeType)
            if attr.hp[1] < beforeHP then
                EventSystem.Dispatch(EventID.Level_HitEnemy)
            end
        else
            FormulaCalculator.CalculateResult(buffData,updateData,targetEntity,sourceEntity, 1,hpChangeType)
        end
    else
        FormulaCalculator.CalculateResult(buffData,updateData,targetEntity,sourceEntity, 1,hpChangeType)
    end
end

function BuffOperator_Instant.CastStartEffect(buffData,updateData,sourceEntity,targetEntity)
    BuffOperator_Instant.CastEffects(buffData.StartEffects,updateData,sourceEntity,targetEntity)
end

function BuffOperator_Instant.CastEffects(effectIdList,updateData,sourceEntity,targetEntity)
    if effectIdList then
        for i,effectID in ipairs(effectIdList) do
            BuffOperator_Instant.CastEffect(effectID,updateData,sourceEntity,targetEntity)
        end
    end
end

function BuffOperator_Instant.CastEffect(effectID,updateData,sourceEntity,targetEntity)
    if effectID and effectID > 0 then
        local effectParams = {}
        effectParams.buffUpdateData = updateData
        BattleEffect.ExecuteByEffectId(effectID,effectParams,sourceEntity,targetEntity)
    end
end

function BuffOperator_Instant.AddHandles(buffData, targetEntity, sourceEntity, ctrlParam)
    --以下代码应该没问题 ，在子弹trigger的时候，一次性buff只有在hp>0才执行
    if(targetEntity.components.attr.hp <= FP.Const.Zero) then
        local lastDeadFrame = targetEntity.components.record.lastDeadFrame
        if lastDeadFrame == nil or lastDeadFrame < LogicUpdateManager._clientHandleFrame then --2022年7月19日新增判断，如果上次死亡不在本帧，才调用SystemManager.OnDead，防止同一帧多次死亡（因为之前代码不够健壮所以可能出现同一帧调用多次SystemManager.OnDead的情况,比如被曹仁反伤死时）
            local killer  = sourceEntity:GetMasterEntity() or sourceEntity
            
            targetEntity.components.record.KillerEntity = killer
            SystemManager.OnDead(targetEntity, ctrlParam.MissileHurtID)
        end
    end
end

function BuffOperator_Instant.DeleteHandles(buffData, targetEntity)

end

function BuffOperator_Instant.OnBuffAdded(entity,buffId,updateData)
    BuffOperator_Instant.FreeBuffUpdate(updateData)
end


return BuffOperator_Instant