local ServerGameData = require "app/server/server_game_data"

local ServerDataManager = {}

function ServerDataManager:init()
    self.ServerFormationManager = require("app/server/manager/server_formation_manager")
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)
        -- TODO临时处理
        ServerGameData:saveData()
    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,
    [GConst.ServerDataConst.DATA_OP_BEHAVIOR.UPDATE_FORMATION] = function (...) ServerDataManager.ServerFormationManager:updateFormation(...) end,
}

function ServerDataManager:dealGM(params, callback)
    if IS_PUBLISH then
        return
    end
    if not params or not params.args then
        return
    end
    local args = params.args
    if args[1] == "add_item" then
        local id = tonumber(args[2])
        local count = tonumber(args[3])
        if not id or not count then
            return
        end
        ServerGameData.BagData.ItemData:addItem(id, count)
        if id == GConst.ItemConst.ITEM_ID_EXP then
            ServerGameData.PlayerData:addExp(count)
        end
    elseif args[1] == "add_items" then
        local cfg = ConfigManager:getConfig("item")
        local count = tonumber(args[2])
        if not count then
            for k, v in pairs(cfg) do
                if k == GConst.ItemConst.ITEM_ID_GOLD then
                    ServerGameData.BagData.ItemData:addItem(k, 99999999)
                else
                    ServerGameData.BagData.ItemData:addItem(k, 2000)
                end
                if k == GConst.ItemConst.ITEM_ID_EXP then
                    ServerGameData.PlayerData:addExp(1000)
                end
            end
        else
            for k, v in pairs(cfg) do
                ServerGameData.BagData:addItem(k, count)
                if k == GConst.ItemConst.ITEM_ID_EXP then
                    ServerGameData.PlayerData:addExp(count)
                end
            end
        end
    elseif args[1] == "del_item" then
        local id = tonumber(args[2])
        local count = tonumber(args[3])
        if not id or not count then
            return
        end
        ServerGameData.BagData.ItemData:addItem(id, -count)
        if id == GConst.ItemConst.ITEM_ID_EXP then
            ServerGameData.PlayerData:addExp(-count)
        end
    elseif args[1] == "clear_item" then
        local items = ServerGameData.BagData.ItemData:getAllItems()
        for k, v in pairs(items) do
            v.count = 0
        end
    end

    ServerGameData:saveData()
    if callback then
        callback()
    end
end

return ServerDataManager