--Buff技相关（Buff技(BuffSkill) = 只会给自身添加buff，没有技能动画的技能，跟 技能(Skill) 不是一个东西
local FirstPersonEventDispatcher = require"Battle/Logic/Event/FirstPersonEventDispatcher"
local BuffSkillComponent = class("BuffSkillComponent")
local KEYPOSITION_BUFFSKILL2 = LuaConst.ESkillKeyPosition.BuffSkill2
local INIT_GODBEAST_CD = DataSheetManager.ConstData:GetDataByID("GodBeastInitialCD").IntValue * 1000
local FP = FP
function BuffSkillComponent:initialize(entity)
	self.entity = entity
	self.buffSkillUpdateList = {}
	self.godBeastSkillCount = 0
	self.curGodBeastSkillIndex = 0
	self.godBeastDataList = nil
	self.buffSkillCdChangeDic = {}	--key为buffSkillID，value为CD改变量
	self.godBeastCdChange = 0	--神兽技能共用CD，所以CD change也是共用的(单位:毫秒)
end

function BuffSkillComponent:IsGodBeastSkill(data)
	return data and data.KeyPosition == KEYPOSITION_BUFFSKILL2
end

function BuffSkillComponent:ChangeBuffSkillCd(buffSkillId, delta)
	local data = DataSheetManager.BuffSkillData:GetDataByID(buffSkillId)
	if self:IsGodBeastSkill(data) then
		self.godBeastCdChange = self.godBeastCdChange + delta
		for k,update in pairs(self.buffSkillUpdateList) do
            if self:IsGodBeastSkill(update.BuffSkillData) then
             	update.CdChange = self.godBeastCdChange
            end
        end
	else
		self.buffSkillCdChangeDic[buffSkillId] = self.buffSkillCdChangeDic[buffSkillId] or 0
		self.buffSkillCdChangeDic[buffSkillId] = self.buffSkillCdChangeDic[buffSkillId] + delta
		local update = self:GetBuffSkillUpdateByID(buffSkillId)
		if update then
			update.CdChange = self.buffSkillCdChangeDic[buffSkillId]
		end
	end
end

function BuffSkillComponent:AddBuffSkillById(buffSkillId)
	local data = DataSheetManager.BuffSkillData:GetDataByID(buffSkillId)
	local exsit = false
	for i,update in ipairs(self.buffSkillUpdateList) do
		if update.BuffSkillID == buffSkillId then
			exsit = true
			break
		elseif data.SkillGroup > 0 and update.BuffSkillData.SkillGroup == data.SkillGroup then
			exsit = true
			if update.BuffSkillData.GroupPriority < data.GroupPriority then
				--替换技能：当SkillGroup不为0且已存在时，GroupPriority更大的替换小的
				local oldData = update.BuffSkillData
				update.BuffSkillID = data.ID
				update.BuffSkillData = data

				for i,v in ipairs(self.godBeastDataList) do
					if v.SkillGroup == data.SkillGroup then
						self.godBeastDataList[i] = data
						break
					end
				end

				if self.curGoldBeastData.ID == oldData.ID then
					self.curGoldBeastData = data
				end

				FirstPersonEventDispatcher.OnReplaceBuffSkill(self.entity, update, oldData, data)
			end
		end
	end
	if not exsit then
		if data then
			local update = RuntimeDataManager.New_BuffSkillUpdate()
			update.BuffSkillID = buffSkillId
			update.BuffSkillData = data
			if self:IsGodBeastSkill(data) then
				update.CD = INIT_GODBEAST_CD
				update.CdChange = self.godBeastCdChange
			else
				update.CdChange = self.buffSkillCdChangeDic[buffSkillId] or 0
			end
			update.KeyPosition = data.KeyPosition
			table.insert(self.buffSkillUpdateList, update)

			if self:IsGodBeastSkill(data) then
				self:OnAddGodBeastSkill(data, update)
			end

			FirstPersonEventDispatcher.OnAddBuffSkill(self.entity, update)
		end
	-- else
	-- 正常情况，不报错了
	-- 	logging.error(LTAG.ERROR, "HYW : 试图重复添加Buff技能 : ", buffSkillId)	
	end
end

-- 修改内置cd  （val 单位为 毫秒）
function BuffSkillComponent:AddTriggerCD(val)
	self.StratagemTotalCD = self.StratagemTotalCD + val
end

function BuffSkillComponent:SwitchRightGodBeastSkill()
	self:SwitchGodBeastSkill(false, false)
end

function BuffSkillComponent:SwitchLeftGodBeastSkill()
	self:SwitchGodBeastSkill(false, true)
end

function BuffSkillComponent:SwitchGodBeastSkill(isInit, isPrevious)
	if self.godBeastSkillCount > 1 or isInit then
		if self.curGoldBeastData then
			--隐藏老按钮
			self:GetBuffSkillUpdateByID(self.curGoldBeastData.ID).IsHiding = true
		end

		self.curGodBeastSkillIndex = self.curGodBeastSkillIndex + (isPrevious and -1 or 1)
		if self.curGodBeastSkillIndex > self.godBeastSkillCount then
			self.curGodBeastSkillIndex = 1
		elseif self.curGodBeastSkillIndex <= 0 then
			self.curGodBeastSkillIndex = self.godBeastSkillCount	
		end

		self.curGoldBeastData = self.godBeastDataList[self.curGodBeastSkillIndex]
		if self.curGoldBeastData then
			local updateData = self:GetBuffSkillUpdateByID(self.curGoldBeastData.ID, true)
			--显示新按钮
			updateData.IsHiding = false
			FirstPersonEventDispatcher.OnSwitchGodBeastSkill(self.entity, updateData, self.curGoldBeastData, self.curGodBeastSkillIndex)
		end
	end
end

-- 获取计略的当前cd
function BuffSkillComponent:GetStratagemCurCD()
	return self.StratagemCurCD
end

--获取计略的总cd
function BuffSkillComponent:GetStratagemTotalCD()
	return self.StratagemTotalCD
end

function BuffSkillComponent:GetBuffSkillUpdateByID(buffSkillId, includeHiding)
	for i,update in ipairs(self.buffSkillUpdateList) do
		if update.BuffSkillData.ID == buffSkillId and (not update.IsHiding or includeHiding) then
			return update
		end
	end
end

function BuffSkillComponent:GetBuffSkillUpdateByKeyPosition(keyPos, includeHiding)
	for i,update in ipairs(self.buffSkillUpdateList) do
		if update.BuffSkillData.KeyPosition == keyPos and (not update.IsHiding or includeHiding) then
			return update
		end
	end
end

function BuffSkillComponent:OnAddGodBeastSkill(data, updateData)
	self.godBeastSkillCount = self.godBeastSkillCount + 1
	local isFirst = false
	if not self.godBeastDataList then
		self.godBeastDataList = {}
		isFirst = true
	end
	updateData.IsHiding = true
	self.godBeastDataList[self.godBeastSkillCount] = data
	if isFirst then
		self:SwitchGodBeastSkill(true)
	end
end

function BuffSkillComponent:OnSwitchHero(fromEntity)
	local fromBuffSkillComp = fromEntity.components.buffSkill

	for i,fromUpdateData in ipairs(fromBuffSkillComp.buffSkillUpdateList) do
		if self:IsGodBeastSkill(fromUpdateData.BuffSkillData) then
			for j,myUpdateData in ipairs(self.buffSkillUpdateList) do
				if self:IsGodBeastSkill(myUpdateData.BuffSkillData) then
					if myUpdateData.BuffSkillData.SkillGroup == fromUpdateData.BuffSkillData.SkillGroup then
						myUpdateData.CD = fromUpdateData.CD
						myUpdateData.CdChange = fromUpdateData.CdChange
					end
				end
			end
		end
	end

	for k,v in pairs(fromBuffSkillComp.buffSkillCdChangeDic) do --pairs safe 仅数据拷贝
		self.buffSkillCdChangeDic[k] = v
		self.godBeastCdChange = fromBuffSkillComp.godBeastCdChange
	end
end

return BuffSkillComponent