--[[
	@description:垂直TabBar

	@example:
		code:
			local test_tab_data = {   			--选项卡配置， main_tab 代表一级选项卡，sub_tab 代表二级选项卡
				[1] = {main_tab = "主Tab1", sub_tab = {"子Tab1", "子Tab2", "子Tab3", "子Tab4"}},
				[2] = {main_tab = "主Tab2", sub_tab = {"子Tab1", "子Tab2", "子Tab3", "子Tab4"}},
				[3] = {main_tab = "主Tab3", sub_tab = {"子Tab1", "子Tab2", "子Tab3", "子Tab4"}},
			}
			local call_back = function (index, sub_index)  --回调函数

			end
			self.verTabBar = UIVerTabBar.New(self.scroll_content)

			self.verTabBar:SetTabBars(test_tab_data, call_back)
			self.verTabBar:SetSelectTab(1, 2)
]]

UIVerTabBar = UIVerTabBar or BaseClass()
local UIVerTabBar = UIVerTabBar
function UIVerTabBar:__init(parent_wnd, sizeDelta, quick_select,type_id)
	self.parent_wnd = parent_wnd
	self.btn_list = {}
	self.cur_sub_index = nil
	self.new_source = false
	self.type_mode = type_id or 1
	if quick_select == nil then
		quick_select = true
	end
	self.quick_select = quick_select
	if not sizeDelta and parent_wnd then
		sizeDelta = {}
		sizeDelta.x, sizeDelta.y = GetSizeDeltaXY(parent_wnd)
	end
	self:Load(sizeDelta)
end

function UIVerTabBar:__delete()
	self:DestroyBtnList()
end

function UIVerTabBar:DestroyBtnList()
	for i,v in ipairs(self.btn_list) do
		v:UnBindEvent()
		v:DeleteMe()
		v = nil
	end
	self.btn_list = {}
end

function UIVerTabBar:Load(sizeDelta)
	self.scroll_view = UiFactory.createChild(self.parent_wnd, UIType.ScrollView, "bar_scroll")
	self.scroll_view.transform.sizeDelta = sizeDelta and sizeDelta or Vector2(202, 561)
	self.scroll_view_content = self.scroll_view.transform:Find("Viewport/Content")
	self.scroll_view_viewport = self.scroll_view.transform:Find("Viewport")
	self:InitEvent()
end

function UIVerTabBar:InitEvent()

end

--设置选项卡数据   is_btn_need_select_img:大类按钮是否需要设置选中的背景图
function UIVerTabBar:SetTabBars(bar_list, call_back, select_anything, is_btn_need_select_img)
	if bar_list == nil or call_back == nil then return end
	for i,v in ipairs(self.btn_list) do
		v:SetVisible(false)
	end
	-- print("Nice:UIVerTabBar [67] self.new_source: ",self.new_source)
	for i,v in ipairs(bar_list) do
		local tab_btn = self.btn_list[i]
		if tab_btn == nil then
			tab_btn = UIVerTabBtn.New(self.scroll_view_content, nil, nil, self,self.type_mode,is_btn_need_select_img)
			self.btn_list[i] = tab_btn
		end
		--print("Nice:UIVerTabBar [74] self.new_source: ",self.new_source)
		tab_btn:SetTabDetail(v, i, call_back, select_anything)
		tab_btn:SetVisible(true)
		local x = 0
		local y = -(i - 1) * UIVerTabBtn.Parms[self.type_mode].BTN_HEIGHT -5
		-- local y = -i * UIVerTabBtn.Parms[self.type_mode].BTN_HEIGHT -5
		tab_btn:SetPosition(x, y)

		local function onBtnClickHandler(target)
			self:SetSelectTab(tab_btn.index,tab_btn.sub_index,self.force_show)
		end
		if tab_btn.tab then
			AddClickEvent(tab_btn.tab, onBtnClickHandler,2)
		end
	end
end

--设置选中的选项卡
function UIVerTabBar:SetSelectTab(index,sub_index,force_show)
	self.force_show = force_show
	for i,v in ipairs(self.btn_list) do
		-- if self.new_source then
		-- 	v:SetNewSource()
		-- end
		if v.index and v.index == index then
			if not v.show then
				self:CancelSetSelectTab(index)
			end
			v:SetSelectMode(index, sub_index, force_show, self.quick_select)
		end
	end
	self:RefreshTabPos()
end

--取消所有的选中项
function UIVerTabBar:CancelSetSelectTab(index)
	for i,v in ipairs(self.btn_list) do
		v:RefreshBtnState(false)
		v:SetSelectSubIndex(0, 0)
	end
	self:RefreshTabPos()

	if index and index * UIVerTabSubBtn.Height > self.scroll_view.transform.sizeDelta.y / 2 then
		self.scroll_view_content.localPosition = Vector2(self.scroll_view_content.localPosition.x, (index - 1) * UIVerTabSubBtn.Height)
	else
		self.scroll_view_content.localPosition = Vector2(self.scroll_view_content.localPosition.x, 0)
	end
end

--更新tabBar的位置
function UIVerTabBar:RefreshTabPos()
	local gap = 2
	for i,v in ipairs(self.btn_list) do
		if v.show == true then
			local h = #v.sub_btn_list * (UIVerTabBtn.Parms[self.type_mode].SUB_CON_HEIGHT+(UIVerTabBtn.Parms[self.type_mode].SUB_BTN_Y_SPACE or 10))
			v:SetPosition(0, -gap)
			v:SetSubConSize(h)
			if h <= 10 then
				h = UIVerTabBtn.Parms[self.type_mode].BTN_Y_SPACE
			end
			gap = gap + UIVerTabBtn.Parms[self.type_mode].BTN_HEIGHT + h
		else
			v:SetPosition(0, -gap)
			gap = gap + UIVerTabBtn.Parms[self.type_mode].BTN_HEIGHT + UIVerTabBtn.Parms[self.type_mode].BTN_Y_SPACE
		end
	end
	self.scroll_view_content.sizeDelta = Vector2(202, gap)
	-- print("UIVerTabBar:RefreshTabPos()",(gap + 40))
end

function UIVerTabBar:SetScrollViewSize(width,heigh)
	self.scroll_view.transform.sizeDelta = Vector2(width,heigh)
end

function UIVerTabBar:RefreshTabBtnState(index)
	for i,v in ipairs(self.btn_list) do
		if v.index == index then
			v:RefreshBtnState(v.show)
		end
	end

	self:RefreshTabPos()
end

function UIVerTabBar:GetTabBtnShowState(index)
	for i,v in ipairs(self.btn_list) do
		if v.index == index then
			return v.show
		end
	end
end

function UIVerTabBar:SetNewSource(  )
	self.new_source = true
	UIVerTabBtn.BTN_HEIGHT = 50
end

--在回调函数中调用该函数，刷新选中状态
function UIVerTabBar:UpdateSelectState(index, sub_index)
	for i,v in ipairs(self.btn_list) do
		v:SetSelectState(false)
		for key,value in ipairs(v.sub_btn_list) do
			value:SetSelectState(false)
		end
	end

	if sub_index == 0 then
		self.btn_list[index]:SetSelectState(true)
	else
		self.btn_list[index].sub_btn_list[sub_index]:SetSelectState(true)
	end
end

function UIVerTabBar:SetImageTexture(asset_path,res_name,index_list)
	for i,v in ipairs(self.btn_list) do
		v:SetImageTexture()
		for key,value in ipairs(v.sub_btn_list) do
			value:SetImageTexture()
		end
	end

	-- PrintTable(index_list)
	if asset_path and res_name then
		for k,v in pairs(index_list) do
			self.btn_list[v.main_index]:SetImageTexture(asset_path,res_name)
			if v.sub_index ~= 0 then
				self.btn_list[v.main_index].sub_btn_list[v.sub_index]:SetImageTexture(asset_path,res_name)
			end
		end
	end
end

--传入主索引和所有要显示的子索引列表，取消红点只传入主索引
function UIVerTabBar:ShowRedDot(index, index_list)
	if self.btn_list[index] then
		self.btn_list[index]:ShowRedDot(index_list)
	end
end

function UIVerTabBar:CancelAllRedDot()
	for i, v in pairs(self.btn_list) do
		v:ShowRedDot()
	end
end