local EventSystem = require('Event/EventSystem')
local Base = require("Battle/Logic/Level/LevelItemFactory/LevelItem")
local ColliderManager = require("Battle/Logic/Level/ColliderManager")
local VisualObject = require("Battle/Expression/VisualObject")

local LevelItem_SceneObject = class("LevelItem_SceneObject", Base)
local LuaConst=LuaConst
local FP=FP
local table_remove=table.remove
local table_insert=table.insert

local TYPE_MODEL = 0
local TYPE_EFFECT = 1
local TYPE_CAMERA_EFFECT = 2

function LevelItem_SceneObject:initialize(data)
    Base.initialize(self,data)    
    self._sceneObjectList = {} -- 所有创建的Object
    if data.ActiveDis == FP.Const.NegOne then
        self._colliderID = nil
    else
        self._colliderID = ColliderManager.CreateCircleCollider(data.ItemPos,data.ActiveDis)
        ColliderManager.AddEnterEvent(self._colliderID,self.TryBornObjects,self)
    end
end

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

function LevelItem_SceneObject:OnActive()
    if Base.OnActive(self) then
        self._refreshTimer = nil
        if self._colliderID then
            ColliderManager.ActiveCollider(self._colliderID, LogicUpdateManager.ValidSyncEntityIter)
        else
            self:TryBornObjects()
        end
        return true
    end
end

function LevelItem_SceneObject:OnDeactive()
    if Base.OnDeactive(self) then
        self:ClearObject()
        if self._colliderID then
            ColliderManager.DeActiveCollider(self._colliderID)
        end
        self._refreshTimer = nil
        return true
    end
end

function LevelItem_SceneObject:OnDestroy()
    Base.OnDestroy(self)
    if self._colliderID then
        ColliderManager.DestroyCollider(self._colliderID)
        self._colliderID = nil
    end
    self._sceneObjectList = nil
end

function LevelItem_SceneObject:OnUpdate()
    if not self._refreshTimer then
        return
    end
    self._refreshTimer:Sub(LuaConst.TimeSpan)
    if self._refreshTimer <= FP.Const.Zero then
        self._refreshTimer = nil
        if self.ItemData.ObjectType == TYPE_CAMERA_EFFECT then
            self:BornCameraObjects()
        else
            self:BornSceneObjects()
        end
    end
end

--endregion 生命周期

--region --***************事件相关***************--

function LevelItem_SceneObject:DoAction(actionType)
    if actionType == LuaConst.LevelActionType.SceneObject_Active then
        self:OnActive()
    elseif actionType == LuaConst.LevelActionType.SceneObject_Deactive then
        self:OnDeactive()
    end
end

--endregion 事件相关

--region --***************内部方法***************--

function LevelItem_SceneObject:TryBornObjects()
    self._refreshTimer = self.ItemData.RefreshDelayTime
    ColliderManager.DeActiveCollider(self._colliderID)
end

function LevelItem_SceneObject:BornSceneObjects()
    local data = self.ItemData
    local count = data.Count
    local itemPosV2 = data.ItemPos
    local forwardV2 = data.ItemDir
    local rightV2 = FP.V2.GetRightByForward(forwardV2)
    
    local layout = data.LayoutType
    local scale = data.Scale
    local scaleX,scaleY,scaleZ = scale.x,scale.y,scale.z
    local posY = data.ItemPosY
    
    local path = data.ObjectPath
    
    if layout == LuaConst.EntityLayoutType.OriginPos then
        for i = 1,count do
            local positionV2 = itemPosV2
            self:CreateObject(path,positionV2,forwardV2,scaleX,scaleY,scaleZ,posY)
        end
    elseif layout == LuaConst.EntityLayoutType.Random_Circle then
        for i = 1,count do
            local radian = LogicRandom.GetRangeValue(nil, FP.Const.Zero, FP.Const.PI2 ,36)
            local radius = LogicRandom.GetRangeValue(nil, FP.Const.Zero, data.Radius ,37)
            local offX = radius * FP.Math.Cos(radian)
            local offZ = radius * FP.Math.Sin(radian)
            local positionV2 = itemPosV2 + FP.newV2(offX,offZ)
            self:CreateObject(path,positionV2,forwardV2,scaleX,scaleY,scaleZ,posY)
        end
    elseif layout == LuaConst.EntityLayoutType.Random_Square then
        for i= 1,count do
            local halfLength = data.Length / 2
            local halfWidth = data.Width / 2
            local randLength = LogicRandom.GetRangeValue(nil, -halfLength,halfLength ,38)
            local randWidth = LogicRandom.GetRangeValue(nil, -halfWidth, halfWidth , 39)
            local positionV2 = itemPosV2 +  rightV2 * randLength + forwardV2 * randWidth
            self:CreateObject(path,positionV2,forwardV2,scaleX,scaleY,scaleZ,posY)
        end
    elseif layout == LuaConst.EntityLayoutType.Matrix then
        local orgOffsetCol =  data.Gap * (data.Col - 1) / 2
        local orgOffsetRow =  data.Gap * (data.Row - 1) / 2
        local orgPosV2 = itemPosV2 - rightV2 * orgOffsetCol - forwardV2 * orgOffsetRow
        local index = 0
        for i=0,data.Col - 1 do
            for j = 0,data.Row - 1 do
                local positionV2 = orgPosV2 + rightV2 * i * data.Gap + forwardV2 * j * data.Gap
                self:CreateObject(path,positionV2,forwardV2,scaleX,scaleY,scaleZ,posY)
                if index >= count then
                    break
                end
            end
            if index >= count then
                break
            end
        end
    end
end

function LevelItem_SceneObject:BornCameraObjects()
    local data = self.ItemData
    local count = data.Count
    local path = data.ObjectPath
    local scale = data.Scale
    local scaleX,scaleY,scaleZ = scale.x,scale.y,scale.z
    for i = 1,count do
        local object = VisualObject.CreateVisualObjectInCamera(path,0.32)
        object:SetScale(scaleX, scaleY, scaleZ)
        table_insert(self._sceneObjectList,object)
    end
end

function LevelItem_SceneObject:ClearObject()
    while true do
        local object = table_remove(self._sceneObjectList)
        if not object then
            break
        end
        object:Dispose()
    end
end

function LevelItem_SceneObject:CreateObject(path,positionV2,forwardV2,scaleX,scaleY,scaleZ,posY)
    local object = VisualObject.CreateVisualObject(path,ExpLevelManager.SceneObjParent)
    local px, pz = FP.tonumberV2(positionV2)
    local dx, dz = FP.tonumberV2(forwardV2)
    if posY then
        object:Invoke("SetPositionDirectlyAndDirection", dx, dz,px, posY, pz)
    else
        object:SetPositionAndDirection(dx, dz,px, 0, pz)
    end
   
    object:AccumScale(scaleX, scaleY, scaleZ)
    table_insert(self._sceneObjectList,object)
end

--endregion 内部方法

return LevelItem_SceneObject