local ServerHeroManager = {}

function ServerHeroManager:onUpgradeHero(params, callback)
	local result = {
        status = 1
    }
	if params == nil then
		if callback then
			callback(result)
		end
		return
	end
	local heroId = params.heroId
    local heroCfg = ConfigManager:getConfig("hero")[heroId]
	if heroId and heroCfg then
		local ServerGameData = ServerDataManager:getServerGameData()
        local ItemData = ServerGameData.BagData.ItemData
        local heroInfo = ServerGameData.HeroData:getHeroByCfgId(heroId) or {cfg_id = heroId, lv = 0}
        local lv = heroInfo.lv + 1
        if lv < heroCfg.begin_lv then
            lv = heroCfg.begin_lv
        end
        local nextLvInfo = ConfigManager:getConfig("hero_level")[lv]
        if not nextLvInfo then
            return
        end
        local fieldName = "cost_" .. heroCfg.qlt
        nextLvInfo = nextLvInfo[fieldName]

        local fragmentCost = nextLvInfo[1] or 0
        if not ItemData:tryAddItem(heroCfg.item_id, -fragmentCost) then
            return
        end

        local goldCost = nextLvInfo[2] or 0
        if not ItemData:tryAddItem(GConst.ItemConst.ITEM_ID_GOLD, -goldCost) then
            return
        end

        local costs = {
            {
                type = GConst.REWARD_TYPE.ITEM,
                id = heroCfg.item_id,
                num = fragmentCost
            },
            {
                type = GConst.REWARD_TYPE.ITEM,
                id = GConst.ItemConst.ITEM_ID_GOLD,
                num = goldCost
            }
        }

        ServerGameData.HeroData:upgradeHero(heroId)
        result.heroId = heroId
        result.lv = lv
        result.costs = ServerGameData:addCosts(costs)

        result.status = 0
	end
	if callback then
        callback(result)
    end
end

return ServerHeroManager