local VersionType = {
	--不可复用
	DoOnly = 1, -- 严格执行  数据结构变更等 
	-- 复用类型
	Add = 2,	 -- 可叠加执行 活动清除状态等 params需是数组 
	Override = 3, -- 覆盖执行 只执行最后一个同方法变更 取最后一个的 params
}

---------------------版本方法  start   ---------------------
local function createVersionFunc(vType, func)
	local v = {vType = vType}
	setmetatable(v, {__call = function(cv, ...)
		func( ... )
		end})
	return v
end

-- 例子
local clearActivity = createVersionFunc(VersionType.Add ,function(role, params)
	print("clearActivity")
	dump(params)
end)

local changeStructF = createVersionFunc(VersionType.DoOnly ,function(role, params)
	print("changeStructF" .. " >>> " .. params)
end)

local awardGift = createVersionFunc(VersionType.Override ,function(role, params)
	print("awardGift" .. " >>> " .. params)
end)

---------------------版本方法  end   ----------------------

-- version 罗列start
local versionList = {} -- version 列表
versionList[1] = {clearActivity, {1, 2}}
versionList[2] = {clearActivity, {5, 7}}
versionList[3] = {changeStructF, "test1"}
versionList[4] = {changeStructF, "test2"}
versionList[5] = {awardGift, "test3"}
versionList[6] = {awardGift, "test4"}

--version 罗列end



local RoleChangeStruct = {}
-- 处理历史遗留问题 以及数据不兼容的问题。可用于版本间清除活动状态，发放补偿， 修改数据结构等
function RoleChangeStruct.bind(Role)

	function Role:changeStructVersion()
		local curVersion = self:getProperty("sversion")
		if not globalCsv.StructVersion or curVersion >= globalCsv.StructVersion then return end

		local jumpVersion = {}
		local versionTemp = {}
		for version = curVersion + 1, globalCsv.StructVersion do
			local versionData = versionList[version]
			if versionData then
				if versionData[1].vType == VersionType.DoOnly then
				elseif versionData[1].vType == VersionType.Add then
					if versionTemp[versionData[1]] then
						jumpVersion[versionTemp[versionData[1]].version] = true
						versionTemp[versionData[1]].version = version
						for _, param in ipairs(versionData[2] or {}) do
							table.insert(versionTemp[versionData[1]].params, param)
						end
					else
						local params = {}
						for _, param in ipairs(versionData[2] or {}) do
							table.insert(params, param)
						end
						versionTemp[versionData[1]] = {version = version, params = params}
					end
				elseif versionData[1].vType == VersionType.Override then
					if versionTemp[versionData[1]] then
						jumpVersion[versionTemp[versionData[1]].version] = true
						versionTemp[versionData[1]].version = version
					else
						versionTemp[versionData[1]] = {version = version}
					end
				else
					print(">>>>>>> error changeStruct error version Type >>>>>  " .. version)
				end
			else
				jumpVersion[version] = true
			end
		end

		for version = curVersion + 1, globalCsv.StructVersion do
			if not jumpVersion[version] then
				local versionData = versionList[version]
				if versionData[1].vType == VersionType.DoOnly or versionData[1].vType == VersionType.Override then
					versionData[1](self, versionData[2])
				elseif versionData[1].vType == VersionType.Add then
					versionData[1](self, versionTemp[versionData[1]].params)
				end
			end
		end
		self:setProperty("sversion", globalCsv.StructVersion)
	end

end

return RoleChangeStruct