/**
 * Created by Syusuke on 2017/3/20.
 */
var mongoose = require("mongoose");
var dbm = require("../../../config/db/db_manager");
var async = require("async");
var db = dbm.getCfgConnection("rationLibMap");
//var schema = mongoose.Schema;

var rationLibMapSchema = mongoose.Schema({
    displayName:String,
    dbName:String
})

var rationLibMap = db.model("rationlibmaps", rationLibMapSchema);

var rationLibMapDAO = function(){};

rationLibMapDAO.prototype.getRealLibName = function(rationName,callback){
    rationLibMap.find({"displayName":rationName}, function(err,data){
        if (err) {
            callback('Error', null);
        } else {
            callback(0, data);
        }
    });
};

rationLibMapDAO.prototype.addRationLib = function(rationName,callback){
    rationLibMap.find({"risplayName":rationName},function(err,data){
        if(data.length == 0)
            new rationLibMap({"displayName":rationName,"dbName":rationName}).save(function(err) {
                if (err) callback("Error", null)
                else
                    callback(false, "ok");
            })
        else
        callback("定额库重名！",null)
    })
}

rationLibMapDAO.prototype.getDisplayRationLibs = function(callback) {
    rationLibMap.find({}, function(err, data){
        if (err) {
            callback( 'Error', null);
        } else {
            callback( false, data);
        }
    });
};

rationLibMapDAO.prototype.deleteRationLib = function(rationName,callback){
    async.waterfall([
        function(cb){
            rationLibMap.find({"displayName":rationName},function(err,data){
                cb(err,data)
            })
        },
        function(data,cb){
            var db1 = dbm.getCfgConnection(data[0].dbName);
            db1.dropDatabase(function(err){
              cb(err,data)
            })
        },
        function(data,cb){
             RationLibMap.remove({"displayName":rationName},function(err,data){
                 cb(err,data);
             })
        }
    ],
        function(err,result){
        if (err) {
            callback( 'Error', null);
        } else {
            callback( '', "ok");
        }
    })
}

rationLibMapDAO.prototype.editRationLib = function(rationName,newName,callback){
    rationLibMap.find({"displayName":newName}, function(err, data){
        if (data.length == 0) {
            rationLibMap.update({displayName:rationName},{$set:{displayName:newName}},function(err){
                if(err) callback("err",false);
                else callback(false,"ok")
            })
        } else
        callback("不可重名！",false);
    });
}

module.exports = new rationLibMapDAO();