local Base = require("Battle/Logic/Level/LevelItemFactory/LevelItem")

local LevelItem_Anchor = class("LevelItem_Anchor", Base)
local EventSystem = require 'Event/EventSystem'

function LevelItem_Anchor:initialize(data)
    Base.initialize(self,data)
    self.conditionTree = ConditionManager.GetConditionDataTree(data.ConditionStr)
    self._entityIDList = {} -- 此元素给哪些entity添加过锚点
end

--region --***************生命周期***************--

function LevelItem_Anchor:OnActive()
    if Base.OnActive(self) then
        for i,entity in ipairs(LogicUpdateManager.EntityList_Sync) do
            self:AddAnchor(entity)
        end

        EventSystem.Regist(EventID.Level_OnCreatePlayerAllEntitys, self.OnAddNewFighter, self) -- 如果有后续出生的玩家也要给其加上锚点
        EventSystem.Regist(EventID.Level_SwitchHero, self.OnSwitchHero, self) -- 关卡事件换成策划要求的固定阵容战斗
        return true
    end
end

function LevelItem_Anchor:AddAnchor(entity)
    if not ConditionManager.MeetCondition(entity,self.conditionTree) then
        return
    end
    local itemData = self.ItemData
    local limitRadius = FP.tonumberV1(itemData.Radius)
    local mode = itemData.Mode -- LuaConst.EPosAnchorDistanceMode
    entity.components.move:AddPosAnchorByLevel(itemData.ItemPos, limitRadius, self.LevelItemID, mode)
    table.insert(self._entityIDList,entity.EntityID)
end

function LevelItem_Anchor:OnAddNewFighter(playerID)
    local heroEntities = LevelPlayerManager.GetPlayerEntitysByPlayerIDInRoom(playerID)
    for i,entity in ipairs(heroEntities) do
        self:AddAnchor(entity)
    end
end

function LevelItem_Anchor:OnSwitchHero(type, toEntity)
    if type == LuaConst.SwitchHeroType.LevelAction then-- 只有在非同步玩法才会有执行到这
        local heroEntities = LevelPlayerManager.GetPlayerEntitysByPlayerIDInRoom(toEntity:GetPlayerID())
        for i,entity in ipairs(heroEntities) do
            self:AddAnchor(entity)
        end
    end
end

function LevelItem_Anchor:OnDeactive()
    if Base.OnDeactive(self) then
        for _,eid in ipairs(self._entityIDList) do
            local entity = LogicUpdateManager._entityDic[eid]
            if entity then
                entity.components.move:RemovePosAnchorByLevel(self.LevelItemID)
            end
        end
        
        EventSystem.UnRegist(EventID.Level_OnCreatePlayerAllEntitys, self.OnAddNewFighter, self)
        EventSystem.UnRegist(EventID.Level_SwitchHero, self.OnSwitchHero, self)
        return true
    end
end


--endregion 生命周期

return LevelItem_Anchor