---@class BP_WeaponItem_C:BP_CustomItemBase_C
---@field ParticleSystem UParticleSystemComponent
---@field Scene USceneComponent
---@field StaticMesh UStaticMeshComponent
---@field ChildActor UChildActorComponent
--Edit Below--
---@type BP_CustomItemBase_C
local ItemBase = require('Script.Blueprint/SceneObj/PickUp/BP_CustomItemBase')

---@type BP_WeaponItem_C
local BP_WeaponItem = ItemBase:new(DefaultSettings.SceneObj.Weapon);

BP_WeaponItem.WrapperActor = nil;

function BP_WeaponItem:ReceiveBeginPlay()
	self:LuaInit();
end

--- 玩家进入的时候会调用
function BP_WeaponItem:OnPlayerAddItem(InPawn)
	if not DefaultSettings.EnableAutoPickUp then
		if self.ItemId ~= 0 then
			UGCPawnSystem.LeavePawnState(InPawn, EPawnState.GunReload);
			ItemTool.ClearCurrentWeapon(InPawn, true);
			---@type APickUpWrapperActor
			--ItemTool.DropMeleeWeapon(InPawn, true);
			ItemTool.AddWeaponItem(InPawn, self.ItemId, 1, true, InPawn:GetInfiniteType());
			if self.ChildActor.ChildActor then self.ChildActor:DestroyChildActor(false); end
			self:PostAddWeapon(InPawn);
		end
	else
		InPawn:SetInPickUp(true, self);
	end
end

---@param InPawn UGCPlayerPawn_C 玩家
---@param InWeaponId int32 武器 ID
function BP_WeaponItem:OnAutoItemUsed(InPawn, InWeaponId)
	-- 在此检测一下是否存在
	if InWeaponId == self.ItemId then
		UGCLogSystem.Log("[BP_WeaponItem:OnAutoItemUsed] 就是我自己！！")
	end
	if InWeaponId == nil then InWeaponId = self.ItemId; end
	if self.ChildActor.ChildActor ~= nil then self.ChildActor:DestroyChildActor(false); end
	InPawn:SetInPickUp(false)
	self:ReplaceWeapon(InPawn, InWeaponId);
end

function BP_WeaponItem:ReplaceWeapon(InPawn, InWeaponId)
	-- 开始自主添加
	local IdType = ItemTool.GetWeaponType(InWeaponId);
	if IdType == EWeaponIdType.Pistol then
		local Weapon = UGCWeaponManagerSystem.GetWeaponBySlot(InPawn, ESurviveWeaponPropSlot.SWPS_SubShootWeapon);
		if Weapon ~= nil then ItemTool.ClearWeapon(InPawn, Weapon); end
		ItemTool.AddWeaponItem(InPawn, InWeaponId, 1, true, InPawn:GetInfiniteType());
	elseif IdType == EWeaponIdType.Melee then
		local Weapon = UGCWeaponManagerSystem.GetWeaponBySlot(InPawn, ESurviveWeaponPropSlot.SWPS_MeleeWeapon);
		if Weapon ~= nil then ItemTool.ClearWeapon(InPawn, Weapon); end
		ItemTool.AddWeaponItem(InPawn, InWeaponId, 1, false);
	else
		local Slots = ItemTool.PawnWeaponSlots(InPawn)
		UGCLogSystem.LogTree(string.format("[BP_WeaponItem:OnAutoItemUsed] Slots ="), Slots)
		local bHadAllMainWeapon = table.hasValues(Slots, { ESurviveWeaponPropSlot.SWPS_MainShootWeapon1, ESurviveWeaponPropSlot.SWPS_MainShootWeapon2 })
		if bHadAllMainWeapon then
			local bHave, slot = ItemTool.CheckPlayerHasWeapon(InPawn, InWeaponId);
			if bHave then
				-- 替换一下
				ItemTool.ClearWeapon(InPawn, UGCWeaponManagerSystem.GetWeaponBySlot(InPawn, slot));
			else
				ItemTool.ClearCurrentWeapon(InPawn, true);
			end
		end
		--ItemTool.OnlyClearParts(InPawn)
		ItemTool.AddWeaponItem(InPawn, InWeaponId, 1, true, InPawn:GetInfiniteType());
	end
	self:PostAddWeapon(InPawn);
end

--- 这是在拾取之后调用的函数，此时已经拾取过了，无法隔断
function BP_WeaponItem:PostAddWeapon(InPawn)
	self.bCanPickUp = false;
	-- 随机设置成别的
	self:OnItemUsed(InPawn);
	DOREPONCE(self, "bCanPickUp");
end

function BP_WeaponItem:OnPlayerOut(OtherActor)
	-- 检查是否已经拾取了？
	if self:IsItemIdValid() then
		-- 说明玩家没有拾取
	else
		-- 玩家已经拾取了
		self:OnItemUsed(OtherActor);
	end
	OtherActor:SetInPickUp(false, self)
end

function BP_WeaponItem:AutoPickUp(InPawn)
	if self.ChildActor.ChildActor == nil then
		self:OnItemUsed(InPawn);
		--GameState:ClearWrappers();
	end
end

function BP_WeaponItem:RandomNewItem()
	--UGCLogSystem.Log("[BP_WeaponItem:RandomNewItem] AllWeaponCount = %d", AllWeaponCount);
	if AllWeaponCount == 0 then
		GetWeaponIdTable();
		UGCLogSystem.LogTree(string.format("[BP_WeaponItem:RandomNewItem] AllWeaponCount = %d WeaponIdTable =", AllWeaponCount), WeaponIdTable);
	end
	self:SetItemId(WeaponIdTable[math.random(AllWeaponCount)]);
	UGCLogSystem.Log("[BP_WeaponItem:RandomNewItem] ItemId = %d", self.ItemId);
	local Path = UGCItemSystem.GetPickupWrapperClassPath(self.ItemId);
	local Class = UE.LoadClass(Path)
	self:RandomNewItem_Internal(Class)
	--UE.AsyncLoadClass(Path, function(TargetClass)
	--	self:RandomNewItem_Internal(TargetClass);
	--end);
end

--- 使用 ChildActor 进行调用
function BP_WeaponItem:RandomNewItem_Internal(TargetClass)
	if self.ChildActor.ChildActor ~= nil then self.ChildActor:DestroyChildActor(false); end
	UGCLogSystem.Log("[BP_WeaponItem:RandomNewItem] TargetClass = %s", UE.GetName(TargetClass));
	self.ChildActor:SetChildActorClass(TargetClass);
	self.ChildActor:CreateChildActor();
	if self.ChildActor.ChildActor then
		self.ChildActor.ChildActor:SetOwner(self);
		self.WrapperActor = self.ChildActor.ChildActor;
		
		if self.WrapperActor.UGC_PickUpWrapperDestroyDelegate then
			self.WrapperActor.UGC_PickUpWrapperDestroyDelegate:Add(self.OnPickedUp, self);
		end
	end
	self:SetCanPickUp(true);
	self:SetChildActorCanPickUp(DefaultSettings.EnableAutoPickUp);
end

--- 使用回调进行调用
function BP_WeaponItem:RandomNewItem_Internal1(TargetClass)
	---@type APickUpWrapperActor
	self.WrapperActor = ScriptGameplayStatics.SpawnActor(self, TargetClass, VectorHelper.Add(self:K2_GetActorLocation(), VectorHelper.MakeVector(0, 0, 100)), self:K2_GetActorRotation(), self:GetActorScale3D(), self);
	if self.WrapperActor then
		if self.WrapperActor.UGC_PickUpWrapperDestroyDelegate then
			self.WrapperActor.UGC_PickUpWrapperDestroyDelegate:Add(self.OnPickedUp, self);
		end
	end
end

--- 当被拾取销毁之后执行
function BP_WeaponItem:OnPickedUp()
	if self.WrapperActor.UGC_PickUpWrapperDestroyDelegate then
		self.WrapperActor.UGC_PickUpWrapperDestroyDelegate:Remove(self.OnPickedUp, self);
	end
	self:PostAddWeapon(nil);
end

function BP_WeaponItem:OnRep_ItemId()
	UGCLogSystem.Log("[BP_WeaponItem:OnRep_ItemId] ItemId = %d", self.ItemId);
	self:SetChildActorCanPickUp(DefaultSettings.EnableAutoPickUp)
	self:HandleEffect(self.ParticleSystem, "SceneObj_Weapon");
	self.CachedItemId = self.ItemId;
end

---@param CanPickUp bool
function BP_WeaponItem:SetChildActorCanPickUp(CanPickUp)
	if self.ChildActor.ChildActor ~= nil then
		if IsServer then
			self.ChildActor.ChildActor.bCanBePickedUp = CanPickUp;
		else
			self.ChildActor.ChildActor.bClientEnableMarkHasBeenPickedUp = CanPickUp;
		end
	end
end

function BP_WeaponItem:OnTestTick()
	local ChildActor = self.ChildActor.ChildActor
	if ChildActor then
		local TheOwner = ChildActor:GetOwner();
		if TheOwner then
			UGCLogSystem.Log("[BP_WeaponItem:OnTestTick] TheOwner = %s", UE.GetName(TheOwner));
		else
			UGCLogSystem.Log("[BP_WeaponItem:OnTestTick] TheOwner is nil");
		end
	else
		UGCLogSystem.Log("[BP_WeaponItem:OnTestTick] ChildActor is nil");
	end
end

function BP_WeaponItem:ReceiveTick(DeltaTime)
	self.SuperClass.ReceiveTick(self, DeltaTime);
	self:RotateChildActor(DeltaTime);
end

function BP_WeaponItem:ReceiveEndPlay()
	self.SuperClass.ReceiveEndPlay(self);
end

--function BP_WeaponItem:GetReplicatedProperties()
--    return "WrapperActor"
--end

--[[
function BP_WeaponItem:GetAvailableServerRPCs()
    return
end
--]]

function BP_WeaponItem:RotateChildActor(DeltaTime)
	if IsClient then
		if self.ChildActor.ChildActor ~= nil and UE.IsValid(self.ChildActor.ChildActor) then
			self.ChildActor.ChildActor:K2_SetActorRotation(VectorHelper.RotAdd(self.ChildActor.ChildActor:K2_GetActorRotation(), VectorHelper.VecToRot(VectorHelper.MakeVector(0, 0, DeltaTime * self.RotationLength))));
		end
		--if self.WrapperActor and UE.IsValid(self.WrapperActor) then
		--	self.WrapperActor:K2_SetActorRotation(VectorHelper.RotAdd(self.WrapperActor:K2_GetActorRotation(), VectorHelper.VecToRot(VectorHelper.MakeVector(0, 0, DeltaTime * self.RotationLength))));
		--end
	end
end

return BP_WeaponItem;