---@class BP_RadiationCircle_C:AActor
---@field Sphere USphereComponent
---@field DefaultSceneRoot USceneComponent
---@field GunClass UClass
---@field BulletClass UClass
---@field GunMaxNum int32
---@field BulletMaxNum int32
---@field BulletLiftTime float
---@field BulletFlySpeed float
---@field SpawnGunSpeedCurve UCurveFloat
---@field MiniYawInterval float
--Edit Below--
---@class GunInfoItem
---@field Gun BP_FireGun_C
---@field bIsInUse boolean
---@field bIsVisible boolean

---@type BP_RadiationCircle_C
local BP_RadiationCircle = {
	GunActors = {};
	BulletActors = {};
	GetGunIndex = 1;
	GetBulletIndex = 1;
	LastSpawnGunTime = 0;
	MiniGameTime = 1;
	StartTime = 0.;
	bActive = false;
	CenterPos = {X = 0, Y = 0, Z = 0};
	RangeRadius = 0.;
	-- 达标的Yaw旋转，其对应的是火炮的Yaw旋转
	QualifyYaws = {};
	RemoveQualifyYawHandles = {};
	RemoveQualifyYawID = 10000;
};



function BP_RadiationCircle:ReceiveBeginPlay()
    self.SuperClass.ReceiveBeginPlay(self);

	-- 加载一下场景中的东西
	if UGCGameSystem.IsServer() then
		self.MiniGameTime = MiniGameConfig.MiniGameInfo[MiniGameConfig.MiniGameType.AvoidBall].MaxGameTime
		self.CenterPos = self:K2_GetActorLocation()
		self.RangeRadius = self.Sphere:GetScaledSphereRadius()
		UGCLogSystem.Log("[BP_RadiationCircle_ReceiveBeginPlay] CenterPos:%s, RangeRadius:%s", VectorHelper.ToString(self.CenterPos), tostring(self.RangeRadius))
		-- UGCEventSystem.SetTimer(self, self.SpawnGunAndBullet, 5)
		self:SpawnGunAndBullet();
	end
end

function BP_RadiationCircle:ActiveGame()
	self.StartTime = UGCSystemLibrary.GetGameTime()
	self.bActive = true
	UGCLogSystem.Log("[BP_RadiationCircle_ActiveGame]")
end

function BP_RadiationCircle:StopGame()
	self.bActive = false
end

function BP_RadiationCircle:ClearGunAndBullet()
	for i, v in pairs(self.GunActors) do
		v:K2_DestroyActor()
	end
	for i, v in pairs(self.BulletActors) do
		v:K2_DestroyActor()
	end
	self.BulletActors = {}
	self.GunActors = {}
end

function BP_RadiationCircle:SpawnGunAndBullet()
	for i = 1, self.GunMaxNum do
		local Gun = UGCGameSystem.SpawnActor(self, self.GunClass, {X = 0, Y = 0, Z = -1000}, VectorHelper.RotZero(), VectorHelper.ScaleOne(), nil)
		self.GunActors[#self.GunActors + 1] = Gun
	end
	for i = 1, self.BulletMaxNum do
		local Bullet = UGCGameSystem.SpawnActor(self, self.BulletClass, {X = 0, Y = 0, Z = -1000}, VectorHelper.RotZero(), VectorHelper.ScaleOne(), nil)
		self.BulletActors[#self.BulletActors + 1] = Bullet
	end
end

function BP_RadiationCircle:GetNextGun()
	local Res = self.GunActors[self.GetGunIndex]
	self.GetGunIndex = (self.GetGunIndex % #self.GunActors) + 1
	return Res
end

function BP_RadiationCircle:GetNextBullet()
	local Res = self.BulletActors[self.GetBulletIndex]
	self.GetBulletIndex = (self.GetBulletIndex % #self.BulletActors) + 1
	return Res
end

function BP_RadiationCircle:GetNextTargetPawn()
	local AllPawns = UGCGameSystem.GetAllPlayerPawn()
	local Random = math.random(1, #AllPawns)
	return AllPawns[Random]
end


function BP_RadiationCircle:ReceiveTick(DeltaTime)
    self.SuperClass.ReceiveTick(self, DeltaTime);
	-- 这是服务器
	if UGCGameSystem.IsServer() and self.bActive then
		local NowTime = UGCSystemLibrary.GetGameTime()
		local ShotInterval = self.SpawnGunSpeedCurve:GetFloatValue((NowTime - self.StartTime) /  self.MiniGameTime)
		self.LastSpawnGunTime = self.LastSpawnGunTime + DeltaTime;
		if self.LastSpawnGunTime >= ShotInterval then
			self.LastSpawnGunTime = 0;
			self:ExeGunFire();
		end
	end
end

-- 激活炮台开炮
function BP_RadiationCircle:ExeGunFire()
	local TargetPawn = self:GetNextTargetPawn()
	if TargetPawn == nil then
		UGCLogSystem.LogError("[BP_RadiationCircle_ExeGunFire] TargetPawn is nil")
		return
	end
	local Gun = self:GetNextGun()
	local Bullet = self:GetNextBullet()
	local PawnPos = TargetPawn:K2_GetActorLocation()
	local GunPos, GunRot = self:GetGunTargetPosAndRot(PawnPos, KismetMathLibrary.RandomBool())
	Gun:FireBullet(GunPos, GunRot, Bullet)
end

--- 获取炮台激活点位
---@param IsReverse 是否反向半径
function BP_RadiationCircle:GetGunTargetPosAndRot(PawnPos, IsReverse)
	local MulReverseNum = (IsReverse and -1 or 1)
	local Dir = VectorHelper.Sub(PawnPos, self.CenterPos)
	--Dir.Z = 0
	local DirRot = KismetMathLibrary.MakeRotFromX(Dir)

	-- 获取合格的Yaw方向，为的是防止出现穿模
	local TargetYaw = self:GetQualifyYaw(DirRot.Yaw)
	self.QualifyYaws[#self.QualifyYaws + 1] = TargetYaw
	local HandleID = self:GetNewID()
	self.RemoveQualifyYawHandles[HandleID] = UGCEventSystem.SetTimer(self, function()
		table.removeValue(self.QualifyYaws, TargetYaw, true)
		self.RemoveQualifyYawHandles[HandleID] = nil
	end, 3.)


	Dir =  VectorHelper.MulNumber(KismetMathLibrary.GetForwardVector({Roll = 0, Pitch = 0, Yaw = TargetYaw}), MulReverseNum)
	-- Dir = VectorHelper.MulNumber(Dir, 1./ VectorHelper.Length(Dir) * MulReverseNum)
	local TargetRot = VectorHelper.RotToLuaTable(KismetMathLibrary.MakeRotFromX(VectorHelper.MulNumber(Dir, -1)))
	-- local TargetRot = {Roll = 0, Pitch = 0, Yaw = (IsReverse and TargetYaw or (360 - TargetYaw))}
	local TargetPos = VectorHelper.ToLuaTable(VectorHelper.Add(self.CenterPos, VectorHelper.MulNumber(Dir, self.RangeRadius)))
	TargetPos.Z = self.CenterPos.Z
	return TargetPos, TargetRot
end

function BP_RadiationCircle:GetQualifyYaw(TargetYaw)
	local CheckInterval = self.MiniYawInterval / 2
	local TempIsQualify

	local TempYaw = 0
	for i = 0, math.floor(180 / CheckInterval) do
		TempIsQualify = true
		TempYaw = TargetYaw + i * CheckInterval
		for _, Yaw in pairs(self.QualifyYaws) do
			if math.abs(Yaw - TempYaw) < self.MiniYawInterval then
				TempIsQualify = false
				break
			end
		end
		if TempIsQualify then
			return TempYaw
		end
		TempIsQualify = true
		TempYaw = TargetYaw - i * CheckInterval
		for _, Yaw in pairs(self.QualifyYaws) do
			if math.abs(Yaw - TempYaw) < self.MiniYawInterval then
				TempIsQualify = false
				break
			end
		end
		if TempIsQualify then
			return TempYaw
		end
	end

	return TargetYaw
end

function BP_RadiationCircle:GetNewID()
	self.RemoveQualifyYawID = self.RemoveQualifyYawID + 1
	return self.RemoveQualifyYawID
end



function BP_RadiationCircle:ReceiveEndPlay()
	for i, v in pairs(self.RemoveQualifyYawHandles) do
		UGCEventSystem.StopTimer(v)
	end
	if UGCGameSystem.IsServer() then
		self:ClearGunAndBullet()
	end
	self.SuperClass.ReceiveEndPlay(self);
end


function BP_RadiationCircle:GetReplicatedProperties()
    return
end

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




return BP_RadiationCircle;