/**
 * Created by zhang on 2018/1/22.
 */
let quantity_detail = require("./quantity_detail_facade");
let model = require("../../bills_lib/models/bills_lib_model");
let Bills_Lib = model.billsMod;
let bill_Model = require('../models/bills').model;
let _ = require("lodash");
module.exports={
   getSectionInfo : async function (data) {
        let conditions=[];
        let fxList=[];
        let sectionInfo ={};
        for(let libID in data){
            let codes=[];
            let temp={};
            codes= _.keys(data[libID]);
            temp['billsLibId']=libID;
            temp['code'] = {"$in": codes};
            conditions.push(temp);
        }
        if(conditions.length>0){
            fxList = await Bills_Lib.find({"$or":conditions});
        }
        if(fxList.length>0){
            let sectionIDs = {};
            for(let f of fxList){
                if(f._doc.sectionInfo){
                    f._doc.sectionInfo.first?sectionIDs[f._doc.sectionInfo.first]=true:"";
                    f._doc.sectionInfo.second?sectionIDs[f._doc.sectionInfo.second]=true:"";
                    f._doc.sectionInfo.third?sectionIDs[f._doc.sectionInfo.third]=true:"";
                }
            }
            let IDList = _.keys(sectionIDs);
            let sectionList = await Bills_Lib.find({'ID':{'$in':IDList}});
            let sectionMap = _.mapKeys(sectionList,'ID');
            let fxMap =  _.mapKeys(fxList,'code');
            sectionInfo={
                fxMap:fxMap,
                sectionMap :sectionMap
            }
            return sectionInfo;
        }
        return null;
    },
    reorganizeFBFX:async function(data){
       let result = {};
       let tasks = generateBillTasks(data);
       if(data.delete && data.delete.length > 0){
           let qd_query={projectID: data.projectID, billID: {"$in": data.delete}};
           await quantity_detail.deleteByQuery(qd_query) ;
        }
        if(tasks.length > 0){
            result =await bill_Model.bulkWrite(tasks);
        }
        return result;
    }
}

function generateBillTasks(data) {
    let tasks=[];
    let user_id = data.user_id,projectID = data.projectID;
    let deleteInfo={deleted: true, deleteDateTime: new Date(), deleteBy: user_id};
    if(data.delete && data.delete.length > 0){
        for(let d_ID of data.delete){
            let task={
                updateOne:{
                    filter:{
                        ID:d_ID,
                        projectID:projectID
                    },
                    update :{
                        deleteInfo:deleteInfo
                    }
                }
            };
            tasks.push(task);
        }
    }
    if(data.update && data.update.length > 0){
        for(let u_data of data.update){
            let task ={
                updateOne:{
                    filter : {
                        ID:u_data.ID,
                        projectID:projectID
                    },
                    update : u_data.data
                }
            };
            tasks.push(task);
        }
    }
    if(data.create && data.create.length > 0){
        for(let n_data of data.create){
            let task = {
                insertOne :{
                    document:n_data
                }
            };
            tasks.push(task);
        }
    }
    return tasks;
}