local ServerGameData = require "app/server/server_game_data"

local ServerDataManager = {}

function ServerDataManager:init()
end

function ServerDataManager:saveData()
end

function ServerDataManager:randomReward(weightArr, callback)
    local maxWeight = 0
    for i, v in ipairs(weightArr) do
        maxWeight = maxWeight + v
    end
    local randomWeight
	if callback then
		randomWeight = callback(1, maxWeight)
	else
		randomWeight = math.random(1, maxWeight)
	end
    local idx
    for i, v in ipairs(weightArr) do
        if randomWeight <= v then
            idx = i
            break
        else
            randomWeight = randomWeight - v
        end
    end
    return idx
end

function ServerDataManager:dataOperate(behavior, params, callback)
    local opFunc = ServerDataManager.OP_FUNC[behavior]
    if opFunc then
        opFunc(params, function(result)
			if callback then
				callback(result)
			end
		end)
    else
        Logger.logError("Undefined data operation function, please check :%s", behavior)
    end
end

function ServerDataManager:onSyncData(params, callback)
    -- 初始化本地数据
    ServerGameData:initData()
    local data = ServerGameData:getData()
    if callback then
        callback(data)
    end
end

ServerDataManager.OP_FUNC = {
    [GConst.ServerDataConst.DATA_OP_BEHAVIOR.SYNC_DATA] = function (...) ServerDataManager:onSyncData(...) end,
}

return ServerDataManager