/**
 * Created by Tony on 2017/4/21.
 */

var mongoose = require("mongoose");
var dbm = require("../../../config/db/db_manager");
var chapterTreeDb = dbm.getCfgConnection("rationRepository")
var async = require("async");
var Schema = mongoose.Schema;

var rationChapterTreeSchema = mongoose.Schema({//章节树  //生成唯一id改为sectionID  改成string
    rationRepId: Number,
    ID:Number,
    ParentID:Number,
    NextSiblingID:Number,
    name: String,
    isDeleted: Boolean
});
var rationChapterTreeModel = chapterTreeDb.model("rationChapterTrees",rationChapterTreeSchema, "rationChapterTrees")
var repositoryMap = require('./repositoryMap');
var counter = require('../../../public/counter/counter');

var rationChapterTreeDAO = function(){};

rationChapterTreeDAO.prototype.getRationChapterTree = function(repositoryName,callback){
    repositoryMap.getRealLibName(repositoryName, function(err, rst){
        rationChapterTreeModel.find({"rationRepId": rst[0].ID, "$or": [{"isDeleted": null}, {"isDeleted": false} ]},function(err,data){
            if(data.length) callback(false,data);
            else  if(err) callback("获取定额树错误！",false)
            else callback(false,false);
        })
    })
}

rationChapterTreeDAO.prototype.createNewNode = function(repositoryName, lastNodeId, nodeData,callback){
    var promise = repositoryMap.getRealLibName(repositoryName), libId;
    if (promise) {
        promise.then(function(rst){
            libId = rst[0].ID;
            return counter.counterDAO.getIDAfterCount(counter.moduleName.rationTree, 1, function(err, result){
                nodeData.rationRepId = libId;
                nodeData.ID = result.value.sequence_value;
                var node = new rationChapterTreeModel(nodeData);
                node.save(function (err, result) {
                    if (err) {
                        callback("章节树ID错误！", false);
                    } else {
                        if (lastNodeId > 0) {
                            rationChapterTreeModel.update({ID: lastNodeId}, {"NextSiblingID": nodeData.ID}, function(err, rst){
                                if (err) {
                                    callback("章节树ID错误！", false);
                                } else {
                                    callback(false, result);
                                }
                            });
                        } else callback(false, result);
                    }
                });
            });
        });
    } else {
        callback("定额库选择错误！", false);
    }
},

rationChapterTreeDAO.prototype.tempRationChapterTreeInsert = function(repositoryName,rationTempTree,callback){
    var db = dbm.getCfgConnection(repositoryName)
    var rationChapterTreeModel = db.model("rationChapterTrees",rationChapterTreeSchema, "rationChapterTrees")
    rationChapterTreeModel.collection.insert(rationTempTree,function(err,data){
        if(err) callback("插入定额模板错误",false)
        else callback(false,"ok")
    })
}

rationChapterTreeDAO.prototype.removeNodes = function(nodeIds, preNodeId, preNodeNextId, callback){
    var functions = [];
    if (preNodeId != -1) {
        functions.push((function(nodeId, nextId) {
            return function(cb) {
                rationChapterTreeModel.update({ID: nodeId}, {"NextSiblingID": nextId}, cb);
            };
        })(preNodeId, preNodeNextId));
    }
    for (var i=0; i < nodeIds.length; i++) {
        functions.push((function(nodeId) {
            return function(cb) {
                rationChapterTreeModel.update({ID: nodeId}, {"isDeleted": true}, cb);
            };
        })(nodeIds[i]));
    }
    async.parallel(functions, function(err, results) {
        callback(err, results);
    });
}

rationChapterTreeDAO.prototype.updateNodes = function(nodes,callback){
    var functions = [];
    for (var i=0; i < nodes.length; i++) {
        //var md = new rationChapterTreeModel(nodes[i]);
        //md.isNew = false;
        functions.push((function(doc) {
            return function(cb) {
                rationChapterTreeModel.update({ID: doc.ID}, doc, cb);
            };
        })(nodes[i]));
    }
    async.parallel(functions, function(err, results) {
        callback(err, results);
    });
};

module.exports = new rationChapterTreeDAO()