--[[
	@description:自定义多级选项卡

	@example:

	local data = {["_1"] = {name = "一级选项卡1", ...}, ["_1_1"] = {name = "二级选项卡1", ...}}
	or 
	local data = {["_1"] = "一级选项卡1", ["_1_1"] = "二级选项卡1"}

	self.tabs = CustomVerTabs.New(self.tab_parent_tra, co.TableXY(265, 599), 
		CusVerMainTabsTemplate, co.TableXY(256, 70), co.TableXY(0, 6), co.TableXY(0, 3), 
		co.TableXY(0, 3), UIVerTabSubBtn, co.TableXY(0, 3))

	local function call_back(main_index, sub_index)
		
	end
	self.tabs:SetTabs(data, call_back, true, true)

--]]

CustomVerTabs = CustomVerTabs or BaseClass(BaseComponent)
local CustomVerTabs = CustomVerTabs

local SetSizeDelta = SetSizeDelta
local SetAnchoredPosition = SetAnchoredPosition

--[[
	@scroll_rect: 选项卡区域
	@main_tabs_class: 自定义一级选项卡
	@main_tabs_btnSize：一级选项卡按钮大小
	@main_tabs_padding：一级选项卡顶部，左侧内边距
	@main_tabs_spacing: 一级选项卡间距
	@subCon_offset：一级选项卡子内容偏移

	@sub_tabs_class: 自定义的二级选项卡
	@sub_tabs_spacing: 二级选项卡间距
--]]
function CustomVerTabs:__init(parent_transform, scroll_rect, main_tabs_class, main_tabs_btnSize, main_tabs_padding, main_tabs_spacing, subCon_offset, sub_tabs_class, sub_tabs_spacing, arrow_pos)
	self.scroll_rect = scroll_rect or co.TableXY(202, 561)
	self.main_tabs_class = main_tabs_class
	self.main_tabs_btnSize = main_tabs_btnSize or co.TableXY(189, 66)
	self.main_tabs_padding = main_tabs_padding or co.TableXY(0, 0)
	self.main_tabs_spacing = main_tabs_spacing or co.TableXY(0, 0)
	self.subCon_offset = subCon_offset
	self.arrow_pos = arrow_pos

	self.sub_tabs_class = sub_tabs_class
	self.sub_tabs_spacing = sub_tabs_spacing

	self.quick_select = true
	self.select_main_index = nil
	self.btn_list = {}
	self.btn_load_complete = false
	self:CreateGameObject(UIType.ScrollView, "ScrollView")
end

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

	self:CancelTimer()
end

function CustomVerTabs:LoadSuccess()

	local vec2 = Vector2(0, 1)
	self.transform.anchorMax = vec2
	self.transform.anchorMin = vec2
	self.transform.pivot = vec2
	SetAnchoredPosition(self.transform, 0, 0)
	SetSizeDelta(self.transform, self.scroll_rect.x, self.scroll_rect.y)
	
	self.scroll_view_content = self:GetChild("Viewport/Content")
	self.viewport_mask = self:GetChild("Viewport"):GetComponent("Mask")
	self.viewport_image = self:GetChild("Viewport"):GetComponent("Image")
end

function CustomVerTabs:SetTabs(bar_list, call_back, select_anything, force_size, quick_select)
	if bar_list == nil or TableSize(bar_list) == 0 then return end
	self.quick_select = quick_select == nil and true or quick_select
	
	self:ResetTabsIndex()
	self:RefreshTabsList(bar_list, call_back, select_anything, force_size)
	--self:RefreshTabsPos()
	self:ResetTabsConPos()
end

function CustomVerTabs:ResetTabsIndex()
	if self.select_main_index then
		self:CancelSelectTabs(self.select_main_index)
		self:RefreshTabsPos()
	end
	self.select_main_index = nil
end

function CustomVerTabs:RefreshTabsList(bar_list, call_back, select_anything, force_size)

	self:CancelTimer()

	local count = 0
	local gap_y = self.main_tabs_padding.y
	local gap_x = self.main_tabs_padding.x + self.main_tabs_spacing.x
	local function refresh_view_func()
		if self._use_delete_method then
			return
		end

		count = count + 1
		local index = count
		local tabs_index = "_" .. index
		if bar_list[tabs_index] then
			local tabs_btn = self.btn_list[index]
			if tabs_btn == nil then
				tabs_btn = self.main_tabs_class.New(self.scroll_view_content, self.main_tabs_btnSize, self.subCon_offset, self.sub_tabs_class, self.sub_tabs_spacing, self.arrow_pos)
				self.btn_list[index] = tabs_btn
			end
			tabs_btn:SetTabsDetail(bar_list, index, call_back, select_anything, force_size)
			tabs_btn:SetVisible(true)

			local function onBtnClickHandler(target)
				self:SetSelectTabs(index)
			end
			if tabs_btn.button then
				AddClickEvent(tabs_btn.button, onBtnClickHandler, 2)
			end

			tabs_btn:SetPosition(gap_x, -gap_y)
			gap_y = gap_y + tabs_btn.btn_height + self.main_tabs_spacing.y
		else
			for i = count, #self.btn_list do
				self.btn_list[i]:SetVisible(false)
			end
			self:RefreshTabsPos()
			self:CancelTimer()
			self.btn_load_complete = true

			if self.redDot_list then
				for k, v in pairs(self.redDot_list) do
					self:ShowRedDot(k, v)
				end
				self.redDot_list = nil
			end

			if self.cache_select then
				self.cache_select = false
				self:SetSelectTabs(self.cache_main_index,self.cache_sub_index,self.cache_force_show)
			end
		end
	end

	self.view_timer_id = GlobalTimerQuest:AddPeriodQuest(refresh_view_func,0.04)
	refresh_view_func()
end

function CustomVerTabs:CancelTimer()
    if self.view_timer_id then
        GlobalTimerQuest:CancelQuest(self.view_timer_id)
        self.view_timer_id = nil
    end
end

function CustomVerTabs:SetSelectTabs(main_index, sub_index, force_show)
	if not self.btn_load_complete then
		self.cache_select = true
		self.cache_main_index = main_index
		self.cache_sub_index = sub_index
		self.cache_force_show = force_show
		return
	end

	--print("CustomVerTabs:SetSelectTabs() main = "..tostring(main_index)..", sub = "..tostring(sub_index))
	for i,v in ipairs(self.btn_list) do
		if v.index and v.index == main_index then
			if self.select_main_index ~= main_index and self.select_main_index ~= nil then
				self:CancelSelectTabs(self.select_main_index)
			end

			self.select_main_index = main_index

			v:SetSelectMode(main_index, sub_index, force_show, self.quick_select)
			sub_index = v.select_sub_index
			break
		end
	end
	self:RefreshTabsPos(main_index, sub_index)
end

function CustomVerTabs:CancelSelectTabs(index)

	if self.btn_list[index] then
		self.btn_list[index]:RefreshTabsSelectState(false)
		self.btn_list[index]:SetSelectSubIndex(0, 0)
	end
	--[[if index and index * self.main_tabs_btnSize.y > self.transform.sizeDelta.y / 2 then
		SetAnchoredPosition(self.scroll_view_content, 0, (index - 1) * self.main_tabs_btnSize.y)
	else
		SetAnchoredPosition(self.scroll_view_content, 0, 0)
	end--]]
end

--更新tabBar的位置
function CustomVerTabs:RefreshTabsPos(main_index, sub_index)
	local gap_y = self.main_tabs_padding.y
	local gap_x = self.main_tabs_padding.x + self.main_tabs_spacing.x
	local sub_tabs_height = self.sub_tabs_class and self.sub_tabs_class.real_height or 0
	local subCon_offset_y = self.subCon_offset and self.subCon_offset.y or 0
	local btn_height, off, h, sub_tabs_count
	for i,v in ipairs(self.btn_list) do
		if v:GetVisible() then
			btn_height = v.btn_height
			if v.show == true then
				sub_tabs_count = v:GetVisibleCount(true)
				off = self.sub_tabs_spacing and (sub_tabs_count - 1) * self.sub_tabs_spacing.y or 0
				off = off < 0 and 0 or off + subCon_offset_y
				h = sub_tabs_count * sub_tabs_height + off
				v:SetPosition(gap_x, -gap_y)
				gap_y = gap_y + btn_height + self.main_tabs_spacing.y + h
			else
				v:SetPosition(gap_x, -gap_y)
				gap_y = gap_y + btn_height + self.main_tabs_spacing.y
			end
		end
	end

	SetSizeDelta(self.scroll_view_content, 0, gap_y + 40)
	if main_index and sub_index then
		sub_index = sub_index > 0 and sub_index - 1 or 0
		--print("CustomVerTabs:RefreshTabsPos()",main_index,sub_index)
		local y_1 = (main_index - 1) * self.main_tabs_btnSize.y + sub_index * self.sub_tabs_class.Height
		local y_2 = self.scroll_view_content.sizeDelta.y - self.transform.sizeDelta.y

		if y_2 < self.main_tabs_btnSize.y then
			y_2 = 0
		end
		SetAnchoredPosition(self.scroll_view_content, 0, y_1 > y_2 and y_2 or y_1)
	end
end

function CustomVerTabs:ResetTabsConPos()
	SetAnchoredPosition(self.scroll_view_content, 0, 0)
end

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

function CustomVerTabs:ShowRedDot(index, index_list)
	if not self.btn_load_complete then
		self.redDot_list = self.redDot_list or {}
		self.redDot_list[index] = index_list
		return
	end

	if self.btn_list[index] and self.btn_list[index].ShowRedDot then
		self.btn_list[index]:ShowRedDot(index_list)
	end
end

-- 设置不规则遮罩显示
function CustomVerTabs:SetMaskImage(res)
	lua_resM:setOutsideImageSprite(self,self.viewport_image,res,false,function ()
		self.viewport_mask.showMaskGraphic = true
	end)
end

function CustomVerTabs:SetDefaultSelected(index)
	self:SetSelectTabs(index)
end