/**
 * Created by jimiz on 2017/4/7.
 */
let mongoose = require('mongoose');
var billsData = require('../models/bills');
let ration_model = require('../models/ration');
let ProjectsData = require('../../pm/models/project_model').project;
let logger = require("../../../logs/log_helper").logger;
let quantity_detail = require("../facade/quantity_detail_facade");
let ration_glj = mongoose.model('ration_glj');
let ration_coe = mongoose.model('ration_coe');

//统一回调函数
var callback = function(req, res, err, message, data){
    res.json({error: err, message: message, data: data});
};

module.exports = {
    getData: function(req, res){
        var data = JSON.parse(req.body.data);
        billsData.getData(data.projectId, function(err, message, billsList){
            if (err === 0) {
                callback(req, res, err, message, billsList);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },

    getItemTemplate: function(req, res){
        //var data = JSON.parse(req.body.data);
        billsData.getItemTemplate(function(err, message, billsItem){
            if (billsItem) {
                callback(req, res, err, message, billsItem);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },

    allocIDs: function(req, res){
        billsData.allocIDs(function(err, message, data){
            if (err) {
                callback(req, res, err, message, data);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },
    //zhong 2017-9-1
    updateCharacterContent: function (req, res) {
        let data = JSON.parse(req.body.data);
        let findSet = data.findSet,
            updateObj = data.updateObj,
            txtObj = data.txtObj;
        billsData.updateCharacterContent(findSet, updateObj, txtObj, function (err, message) {
            callback(req, res, err, message, null);
        });
    },
    updateBill: async function(request, response) {
        const data = JSON.parse(request.body.data);
        const findSet = data.findSet;
        const updateData = data.updateData;
        let settingData = {};
        // 筛选出要保存在项目属性的设置
        for (const index in updateData) {
            if (updateData[index].field === 'addRule') {
                settingData = updateData[index].value;
                delete updateData[index];
            }
        }
        // 更新项目属性
        const propertyUpdateData = {
            property: 'addRule',
            data: settingData
        };
        const projectResult = await ProjectsData.updateProjectProperty(findSet.projectID, propertyUpdateData);

        const result = await billsData.updateBill(findSet, updateData);
        const message = !result || !projectResult ? '修改失败' : '修改成功';
        const err = !result || !projectResult ? 1 : 0;
        callback(request, response, err, message, null);
    },
    singleDelete:async function(req, res){
        let result={
            error:0
        }
        try {
            let data = req.body.data;
            data = JSON.parse(data);
            let tasks = generateSingleDeleteTasks(data);
            let resultData= await billsData.model.bulkWrite(tasks);
            //删除工程量明细
            await quantity_detail.deleteByQuery({projectID: data.projectID, billID: data.ID}) ;
            result.data=resultData;
        }catch (err){
            logger.err(err);
            result.error=1;
            result.message = err.message;
        }
        res.json(result);
    },
    multiDelete:async function(req, res){
        let result={
            error:0
        };
        try {
            let data = req.body.data;
            data = JSON.parse(data);
            result.data=await doBillsOrRationsDelete(data);
        }catch (err){
            logger.err(err);
            result.error=1;
            result.message = err.message;
        }
        res.json(result);
    }

};

async function doBillsOrRationsDelete(data) {
    let billTask = [];
    let deleteBillIDs = [];
    let rationTask=[];
    let deleteRationIDs=[];
    let qd_query=null;
    let sub_query=null;
    if(data['bills']){
        billTask = generateUpdateTasks(data['bills'],data.projectID,data.user_id);
        for(let b_key in data['bills']){
            if(data['bills'][b_key]===true){
                deleteBillIDs.push(b_key+'');
            }
        }
        if(deleteBillIDs.length>0){
            qd_query={projectID: data.projectID, billID: {"$in": deleteBillIDs}};
        }
    }
    if(data['ration']){
        rationTask = generateUpdateTasks(data['ration'],data.projectID,data.user_id);
        for(let r_key in data['ration']){
            if(data['ration'][r_key]===true){
                deleteRationIDs.push(r_key+'');
            }
        }
        if(deleteRationIDs.length>0){
            if(qd_query==null){//说明没删除清单
                qd_query={projectID: data.projectID, rationID: {"$in": deleteRationIDs}};
            }else {
                qd_query={
                    "$or":[
                        {projectID: data.projectID, billID: {"$in": deleteBillIDs}},
                        {projectID: data.projectID, rationID: {"$in": deleteRationIDs}}
                    ]
                }
            }
            sub_query={projectID: data.projectID, rationID: {"$in": deleteRationIDs}};
        }
    }
    //先删除工程量明细
    if(qd_query!=null){
        await quantity_detail.deleteByQuery(qd_query) ;
    }
    if(sub_query!=null){
        await ration_coe.deleteMany(sub_query);//删除附注条件
        await ration_glj.deleteMany(sub_query);//删除定额工料机
    }
    if(rationTask.length>0){
        await  ration_model.model.bulkWrite(rationTask);//删除定额
    }
    if(billTask.length>0){
        await billsData.model.bulkWrite(billTask);//删除清单
    }
    return 'success';
}



function  generateSingleDeleteTasks(data) {
    let updateData = data.updateData;
    updateData[data.ID]=true;
    let tasks = generateUpdateTasks(updateData,data.projectID,data.user_id);
    return tasks;
}

function  generateUpdateTasks(data,projectID,user_id) {
    let tasks=[];
    let updateData = data;
    let deleteInfo={deleted: true, deleteDateTime: new Date(), deleteBy: user_id};
    for(let key in updateData){
        let task={
            updateOne:{
                filter:{
                    ID:key,
                    projectID:projectID
                }
            }
        };
        if(updateData[key]===true){
            task.updateOne.update={
                deleteInfo:deleteInfo
            };
        }else {
            task.updateOne.update=updateData[key];
        }
        tasks.push(task);
    }
    return tasks;
}