local mongodbx = {}

local skynet = require "skynet"

local MONGODBL_POOL

-- 有些 服务 不允许在 init 阶段处理
-- 暂时需改成 第一次调用 查询
-- skynet.init(function ()
--     MONGODBL_POOL = skynet.queryservice("mongodbpool")
-- end)

--show dbs;
-- use ant_account
--db.dropDatabase()
-- show collections
-- db.collection.find() --collection需替换对应具体名字
--db.collection.find( { qty: { $gt: 4 } } )

local function block_query()
    -- body
    if not MONGODBL_POOL then
        MONGODBL_POOL = skynet.queryservice("mongodbpool")
    end
end

function mongodbx.find(table_name, cname, conds)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "find", table_name, cname, conds)
end

function mongodbx.findOne(table_name, cname, conds)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "findOne", table_name, cname, conds)
end

function mongodbx.aggregate(table_name, cname, operation)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "aggregate", table_name, cname, operation)
end

function mongodbx.upsert(table_name, cname, conds, datas)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "upsert", table_name, cname, conds, datas)
end


function mongodbx.updateMany(table_name, cname, conds, datas)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "updateMany", table_name, cname, conds, datas)
end

function mongodbx.insert(table_name, cname, datas)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "insert", table_name, cname, datas)
end

function mongodbx.batch_insert(table_name, cname, datas)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "batch_insert", table_name, cname, datas)
end

function mongodbx.del(table_name, cname, conds)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", "del", table_name, cname, conds)
end

function mongodbx.exec(cmd, ...)
    block_query()
    return skynet.call(MONGODBL_POOL, "lua", cmd, ...)
end

return mongodbx