MailItem = MailItem or BaseClass(BaseItem)

function MailItem:__init()
	self.base_file = "sociality"
	self.layout_file = "MailItem"
	self.is_delay_callback = true

	self.model = MailModel:getInstance()
	self.data = nil
	self.event_id_list = {}

	self.need_refreshData = false
	self.need_refreshClick = false
	-- self.use_local_view = true

	self:Load()
end

function MailItem:Load_callback()
	self:LoadSuccess()
	self:InitEvent()

	if self.need_refreshData then
		self:SetData(self.data)
	end
	if self.need_refreshClick then
		self:OnClickHandler(self.click_id)
	end
end

function MailItem:LoadSuccess()
	self.nodes = {
		"mailTitle:tmp", 
		"mailTime:tmp", 
		"attachmentIcon:img", 
		"mailHead:img", 
		"selectBg:obj",
		"redDot:obj",
		"importantFlag:obj", 
	}
	self:GetChildren(self.nodes)
end

function MailItem:InitEvent()
	local function onBtnClickHandler(target)
		if self.data then
			if target == self.gameObject then--点击邮件Item
				self.model:Fire(MailEvent.CLICK_MAIL_ITEM, self.data.mail_id)
			end
		end
	end
	AddClickEvent(self.gameObject, onBtnClickHandler)

	--绑定点击item的方法
	local click_fun = function(mail_id)
		self:OnClickHandler(mail_id)
	end
	table.insert(self.event_id_list, self.model:Bind(MailEvent.CLICK_MAIL_ITEM, click_fun))

	--绑定更新item显示的方法
	local update_fun = function(new_data)
		if self.data and self.data.mail_id == new_data.mail_id then
			self:SetData(new_data)
			self.model:Fire(MailEvent.GET_MAIL_INFORM)
		end
	end
	table.insert(self.event_id_list, self.model:Bind(MailEvent.UPDATE_MAIL_ITEM, update_fun))
end

function MailItem:OnClickHandler(click_id)
	self.click_id = click_id
	if self.is_loaded then
		if self.data then
			if self.data.mail_id == self.click_id then
				self:SetSelect(true)
				self.model.now_select_mail = self.data
				self.model:Fire(MailEvent.GET_MAIL_DETAIL, self.data.mail_id) --通过邮件ID请求邮件详细信息
			else
				self:SetSelect(false)
			end
		end
	else
		self.need_refreshClick = true
	end
end

function MailItem:SetSelect(bool)
	if self.selectBg_obj then
		self.selectBg_obj:SetActive(bool)
	end
end

function MailItem:SetData(data)
	self.data = data
	if not self.data then return end

	if self.is_loaded then
		local title_str = self.data.title
		if utf8len(title_str) > 9 then
			title_str = SubStringUTF8(title_str, 1, 8) .. "..."
		end
		self.importantFlag_obj:SetActive(self.data.important == 1)
		self.mailTitle_tmp.text = title_str
		self.mailTime_tmp.text = TimeUtil:timeConversion(self.data.time, "mm-dd hh:MM:ss")

		--邮件类型图标
		local mail_type = self.model:GetMailType(self.data.mail_id)
		if mail_type == 5 then
			lua_resM:setImageSprite(self,self.mailHead_img,"sociality_asset","sociality_mail_head_2")
		else
			lua_resM:setImageSprite(self,self.mailHead_img,"sociality_asset","sociality_mail_head_1")
		end

		--已读、未读、已领取、未领取
		if self.data.state == 3 then --附件已领取
			lua_resM:setImageSprite(self,self.attachmentIcon_img,"sociality_asset","sociality_mail_reward_open_pointfilter")
		else
			if self.data.is_attach == 0 and self.data.state ~= 3 then --无附件
				if self.data.state == 1 then --已读
					lua_resM:setImageSprite(self,self.attachmentIcon_img,"sociality_asset","sociality_mail_read_pointfilter")
				else
					lua_resM:setImageSprite(self,self.attachmentIcon_img,"sociality_asset","sociality_mail_unread_pointfilter")
				end
			elseif self.data.is_attach == 1 then --有附件
				lua_resM:setImageSprite(self,self.attachmentIcon_img,"sociality_asset","sociality_mail_reward_unopen_pointfilter")
			end
		end

		if self.data.state == 2 or (self.data.is_attach == 1 and self.data ~= 3) then
			self.redDot_obj:SetActive(true)
		else
			self.redDot_obj:SetActive(false)
		end
		self.gameObject:SetActive(true)
	else
		self.need_refreshData = true
	end
end

--清除item数据
function MailItem:Hide()
	if self.is_loaded then
		self.selectBg_obj:SetActive(false)
		self.data = nil
		-- self:SetVisible(false)
	end
end

function MailItem:__delete()
	for i, v in ipairs(self.event_id_list) do
		self.model:UnBind(v)
	end
	self.event_id_list = {}
end