/**
 * Created by zhang on 2018/4/17.
 */
let mongoose = require('mongoose');
let _ = require("lodash");
let feeRate_facade = require('../../fee_rates/facade/fee_rates_facade');
let logger = require("../../../logs/log_helper").logger;
const uuidV1 = require('uuid/v1');
let projectModel = mongoose.model('projects');
let projectSettingModel =  mongoose.model('proj_setting');
let billsModel = mongoose.model('bills');
let rationModel = mongoose.model('ration');
let gljListModel = mongoose.model("glj_list");
let calcProgramsModel = mongoose.model('calc_programs');
let labourCoesModel = mongoose.model('labour_coes');
let feeRateModel = mongoose.model('fee_rates');
let feeRateFileModel = mongoose.model('fee_rate_file');
let unitPriceFileModel = mongoose.model("unit_price_file");
let mixRatioModel = mongoose.model("mix_ratio");
let unitPriceModel = mongoose.model("unit_price");
let installationFeeModel = mongoose.model("installation_fee");
let rationGLJModel = mongoose.model('ration_glj');
let rationCoeModel = mongoose.model('ration_coe');
let rationInstallationModel = mongoose.model('ration_installation');
let quantityDetailModel = mongoose.model('quantity_detail');
import CounterModel from "../../glj/models/counter_model";


module.exports={
    moveProject:moveProject,
    copyProject:copyProject
};

async function copyProject(userID, compilationID,data) {
    let projectMap = data.projectMap;
    let originalID = projectMap['copy'].document.ID;
    let originalProperty = _.cloneDeep(projectMap['copy'].document.property);
    let newProjectID = await getCounterID("projects");
    let newFeeName = null,newUnitName = null;
    let calcProgramFileID = uuidV1();//新的计算程序文件ID
    let labourCoeFileID = uuidV1();//新的人工调整系数文件ID
    let feeRateFileID = uuidV1();//新的费率文件ID
    let unitPriceFileID = await getCounterID("unit_price_file");//新的单价文件ID
    logger.info("复制项目： 旧项目ID: "+originalID+ " ------- 新项目ID: "+newProjectID);
    //费率文件、单价文件重名检查
    let feeRate =  await feeRateFileModel.findOne({rootProjectID:originalProperty.rootProjectID,name:originalProperty.feeFile.name,deleteInfo:null});
    if(feeRate){//存在重名的文件
        newFeeName = originalProperty.feeFile.name + '（' + new Date().Format('MM-dd hh:mm:ss') + '复制）';
        projectMap['copy'].document.property.feeFile.name = newFeeName;
    }

    let unitPriceFile =  await unitPriceFileModel.findOne({root_project_id: originalProperty.rootProjectID,name:originalProperty.unitPriceFile.name,deleteInfo: null});
    if(unitPriceFile){//存在重名的文件
        newUnitName = originalProperty.unitPriceFile.name + '（' + new Date().Format('MM-dd hh:mm:ss') + '复制）';
        projectMap['copy'].document.property.unitPriceFile.name = newUnitName;
    }

    //更新项目的属性;
    projectMap['copy'].document.ID = newProjectID;
    projectMap['copy'].document.property.calcProgramFile.ID = calcProgramFileID;
    projectMap['copy'].document.property.labourCoeFile.ID = labourCoeFileID;
    projectMap['copy'].document.property.feeFile.id = feeRateFileID;
    projectMap['copy'].document.property.unitPriceFile.id = unitPriceFileID;
    projectMap['copy'].document.userID = userID;
    projectMap['copy'].document.compilation = compilationID;
    projectMap['copy'].document.createDateTime = new Date();

    //清单、定额ID生成任务
    let IDtasks = [
        createIDsAndReturn(originalID,billsModel),
        createIDsAndReturn(originalID,rationModel),
        getProjectGLJIDAndReturn(originalID,newProjectID)
    ];
    let [billMap,rationMap,projectGLJMap] = await Promise.all(IDtasks);

    //所有复制任务异步处理，提升效率  复制清单，定额，4个文件，项目工料机， 定额工料机，人工系数，工程量明细，定额安装增加费，安装增加费
    let copyTasks = [
        createProject(projectMap),
        copyProjectSetting(originalID,newProjectID),
        copyBills(newProjectID,billMap),
        copyRations(newProjectID,billMap.uuidMaping,rationMap),
        copyProjectGLJ(projectGLJMap.datas),
        commonCopy(newProjectID,originalProperty.calcProgramFile.ID,calcProgramFileID,calcProgramsModel),
        commonCopy(newProjectID,originalProperty.labourCoeFile.ID,labourCoeFileID,labourCoesModel),
        copyFeeRate(originalProperty.rootProjectID,userID,originalProperty.feeFile.id,feeRateFileID,newFeeName),
        copyUnitPriceFile(newProjectID,originalProperty.rootProjectID,userID,originalProperty.unitPriceFile.id,unitPriceFileID,newUnitName),
        copyInstallFee(originalID,newProjectID),
        copyRationSubList(originalID,newProjectID,billMap.uuidMaping,rationMap.uuidMaping,projectGLJMap.IDMap,rationGLJModel),
        copyRationSubList(originalID,newProjectID,billMap.uuidMaping,rationMap.uuidMaping,projectGLJMap.IDMap,rationCoeModel),
        copyRationSubList(originalID,newProjectID,billMap.uuidMaping,rationMap.uuidMaping,projectGLJMap.IDMap,quantityDetailModel),
        copyRationSubList(originalID,newProjectID,billMap.uuidMaping,rationMap.uuidMaping,projectGLJMap.IDMap,rationInstallationModel)
    ];
    let p = await Promise.all(copyTasks);
    return p[0];
}

async function createIDsAndReturn(originalID,model) {
    let uuidMaping = {};//做ID映射
    let datas = [];
    let result = await model.find({"projectID": originalID}, '-_id');
    uuidMaping['-1'] = -1;
    //建立uuid-ID映射
    for(let d of result){
        uuidMaping[d.ID] = uuidV1();
        datas.push(d._doc);
    }
    return{uuidMaping:uuidMaping,datas:datas};
}

async function getProjectGLJIDAndReturn(originalID,newProjectID) {
    let IDMap = {};
    let datas = [];
    let result = await gljListModel.find({project_id:originalID}, '-_id');
    for(let d of result){
        let newID = await getCounterID("glj_list");
        IDMap[d.id] = newID;
        d._doc.project_id = newProjectID;
        d._doc.id = newID;
        datas.push(d._doc);
    }
    return{IDMap:IDMap,datas:datas};
}

async function createProject(projectMap) {//复制项目
    let tasks = [];
    if(projectMap['update']){//如果复制后存在前一个节点，则更新其NextSiblingID
        tasks.push({updateOne:{filter : projectMap['update'].query, update : {NextSiblingID:projectMap['copy'].document.ID}}});
    }
    tasks.push({insertOne: {document: projectMap['copy'].document}});//复制任务
    await projectModel.bulkWrite(tasks);
    return projectMap;
}

async function copyProjectSetting(originalID,newProjectID) {
    let result = null;
    let setting = await projectSettingModel.findOne({"projectID": originalID}, '-_id');
    if(setting){
        setting._doc.projectID =newProjectID;
        result = await projectSettingModel.create(setting._doc);
    }
    return result;
}

async function copyBills(newProjectID,billMap) {
     let uuidMaping = billMap.uuidMaping;//做ID映射
    for(let doc of billMap.datas){
         doc.projectID = newProjectID;
         doc.ID = uuidMaping[doc.ID] ? uuidMaping[doc.ID] : -1;
         doc.ParentID = uuidMaping[doc.ParentID] ? uuidMaping[doc.ParentID] : -1;
         doc.NextSiblingID = uuidMaping[doc.NextSiblingID] ? uuidMaping[doc.NextSiblingID] : -1;
    }
    await insertMany(billMap.datas,billsModel);
    return billMap.datas;
}

async function copyRations(newProjectID,billsIDMap,rationMap) {
    let uuidMaping = rationMap.uuidMaping;
    for(let doc of rationMap.datas){
        doc.projectID = newProjectID;
        doc.ID = uuidMaping[doc.ID] ? uuidMaping[doc.ID] : -1;
        if(doc.billsItemID){
            doc.billsItemID = billsIDMap[doc.billsItemID]?billsIDMap[doc.billsItemID]:-1;
        }
    }
    if(rationMap.datas.length > 0){
        await insertMany(rationMap.datas,rationModel);
    }
    return rationMap.datas;
}

async function copyProjectGLJ(gljList) {
    await insertMany(gljList,gljListModel);
}

async  function commonCopy(newProjectID,oldID,newID,model) { //对于只需更新ID和projectID的文件的复制
    let result = null;
    let file = await model.findOne({"ID": oldID}, '-_id');
    if(file){
        file._doc.ID = newID;
        file._doc.projectID =newProjectID;
        result = await model.create(file._doc);
    }
    return result;
}

async function copyFeeRate(rootProjectID,userID,originalFeeRateFileID,feeRateFileID,newName) {//复制费率和费率文件
    let [feeRateFile,feeRate] =await feeRate_facade.getFeeRateByID(originalFeeRateFileID);
    let newFeeRateID = uuidV1();
    if(feeRate){
        feeRate._doc.ID = newFeeRateID;
        await feeRateModel.create(feeRate._doc);
    }
    if(feeRateFile){
        feeRateFile._doc.ID = feeRateFileID;
        newName?feeRateFile._doc.name = newName:'';
        feeRateFile._doc.userID = userID;
        feeRateFile._doc.rootProjectID = rootProjectID;
        feeRateFile._doc.feeRateID = newFeeRateID;
        await feeRateFileModel.create(feeRateFile._doc);
    }
}

async function copyUnitPriceFile(newProjectID,rootProjectID,userID,originaluUnitPriceFileID,unitPriceFileID,newName) {//复制单价文件、组成物

    let taskList = [
        copyFile(newProjectID,rootProjectID,userID,originaluUnitPriceFileID,unitPriceFileID,newName),
        copySubList(originaluUnitPriceFileID,unitPriceFileID,mixRatioModel),
        copySubList(originaluUnitPriceFileID,unitPriceFileID,unitPriceModel)
    ];

    return await Promise.all(taskList);

    async function copyFile(newProjectID,rootProjectID,userID,originaluUnitPriceFileID,unitPriceFileID,newName){
        let unitPriceFile = await unitPriceFileModel.findOne({id:originaluUnitPriceFileID}, '-_id');
        if(unitPriceFile){
            unitPriceFile._doc.id = unitPriceFileID;
            newName?unitPriceFile._doc.name = newName:'';
            unitPriceFile._doc.project_id = newProjectID;
            unitPriceFile._doc.user_id = userID;
            unitPriceFile._doc.root_project_id = rootProjectID
        }
        await unitPriceFileModel.create(unitPriceFile._doc);
    }

    async function copySubList(srcFID,newFID,model) {
        let mList = await model.find({unit_price_file_id: srcFID}, '-_id');
        let rList = [];
        for(let m of mList){
            m._doc.unit_price_file_id = newFID;
            m._doc.id = await getCounterID('mix_ratio');
            rList.push(m._doc);
        }
        await insertMany(rList,model)
    }
}

async function copyInstallFee(originalPID,newProjectID) {
    let result = null;
    let installationFee = await installationFeeModel.find({projectID:originalPID}, '-_id');
    let newList = [];
    for(let i of installationFee ){
        i._doc.ID = uuidV1();
        i._doc.projectID = newProjectID;
        newList.push(i._doc);
    }
    if(newList.length >0){
        result =  await installationFeeModel.insertMany(newList);
    }
    return result;
}

async function copyRationSubList(originalPID,newProjectID,billIDMap,rationIDMap,projectGLJIDMap,model) {// 定额工料机，附注条件，工程量明细，定额安装增加费
    let subList = await model.find({projectID:originalPID}, '-_id');
    let newList =[];
    for(let s of subList){
        s._doc.ID = uuidV1();
        s._doc.projectID = newProjectID;
        s._doc.rationID&&rationIDMap[s._doc.rationID]?s._doc.rationID = rationIDMap[s._doc.rationID]:'';
        s._doc.billID&&billIDMap[s._doc.billID]?s._doc.billID = billIDMap[s._doc.billID]:'';
        s._doc.billsItemID&&billIDMap[s._doc.billsItemID]?s._doc.billsItemID = billIDMap[s._doc.billsItemID]:'';
        s._doc.projectGLJID&&projectGLJIDMap[s._doc.projectGLJID]?s._doc.projectGLJID = projectGLJIDMap[s._doc.projectGLJID]:'';
        newList.push(s._doc);
    }
    await insertMany(newList,model);
}

async function moveProject(data) {
    data = JSON.parse(data);
    let projectMap = data.projectMap,feeRateMap = data.feeRateMap,unitPriceMap = data.unitPriceMap;
    let projectTasks = [],feeRateTask=[],feeRateFileTask=[],unitPriceTask=[],unitPriceFileTask=[],mixRatioTask=[];
    let feeUniqMap=[],priceUniqMap={};//费率、单价文件唯一映射表当移动多个项目时，任务有可能出现重复的情况
    if(!_.isEmpty(feeRateMap)&&data.rootProjectID){//如果费率有修改
        let feeRates =await feeRate_facade.getFeeRatesByProject(data.rootProjectID);//取目标建设项目的所有费率文件，重名检查
        for(let projectID in feeRateMap){
            let rename = feeRateMap[projectID].name;
            let feeRateID =  feeRateMap[projectID].query.ID;
            let checkFee = _.find(feeRates,{'name':rename});
            let newID = feeRateID;
            if(checkFee){//说明费率名字已存在，需要重命名
                rename = feeUniqMap[feeRateID]?feeUniqMap[feeRateID].name:rename + '（' + new Date().Format('MM-dd hh:mm:ss') + '移动）';
                projectMap[projectID]['update']['property.feeFile.name'] = rename;
                if(feeRateMap[projectID].action == 'move'){
                    feeRateMap[projectID].update.name = rename;
                }
            }
            if(feeRateMap[projectID].action == 'copy'){
                newID = feeUniqMap[feeRateID]?feeUniqMap[feeRateID].ID:uuidV1();
                feeRateMap[projectID].name = rename;
                feeRateMap[projectID].ID =  newID;
                projectMap[projectID]['update']['property.feeFile.id'] = newID;
            }
            if(!feeUniqMap[feeRateID]){
                await generateFeeRateTask(feeRateMap[projectID],feeRateTask,feeRateFileTask);
                feeUniqMap[feeRateID] = {name:rename,ID:newID};
            }
        }
    }
    if(!_.isEmpty(unitPriceMap)&&data.rootProjectID) {//如果单价文件有修改
        let unitPriceFiles =  await unitPriceFileModel.find({root_project_id: data.rootProjectID, deleteInfo: null});
        for(let projectID in unitPriceMap){
            let checkUn = _.find(unitPriceFiles,{'name':unitPriceMap[projectID].name});
            let rename = unitPriceMap[projectID].name;
            let unitPriceID = unitPriceMap[projectID].query.id;
            let newID = unitPriceID;
            if(checkUn){//重名检查
                rename = priceUniqMap[unitPriceID]?priceUniqMap[unitPriceID].name:rename + '（' + new Date().Format('MM-dd hh:mm:ss') + '移动）';
                projectMap[projectID]['update']['property.unitPriceFile.name'] = rename;
                if(unitPriceMap[projectID].action =='move'){
                    unitPriceMap[projectID].update.name = rename;
                }
            }
            if(unitPriceMap[projectID].action =='copy'){
                newID =  priceUniqMap[unitPriceID]?priceUniqMap[unitPriceID].id: await getCounterID("unit_price_file");
                unitPriceMap[projectID].name = rename;
                unitPriceMap[projectID].id = newID;
                projectMap[projectID]['update']['property.unitPriceFile.id'] = newID;
            }
            if(!priceUniqMap[unitPriceID]){
                await generateUnitPriceTask(unitPriceMap[projectID],projectID,data.user_id,unitPriceTask,unitPriceFileTask,mixRatioTask);
                priceUniqMap[unitPriceID] = {name:rename,id:newID};
            }
        }
    }

    if(!_.isEmpty(projectMap)){
        for(let projectID in projectMap){
            projectTasks.push({updateOne:{filter : projectMap[projectID].query, update : projectMap[projectID].update}});
        }
    }

    projectTasks.length>0?await projectModel.bulkWrite(projectTasks):'';
    feeRateTask.length>0?await feeRateModel.bulkWrite(feeRateTask):'';
    feeRateFileTask.length>0?await feeRateFileModel.bulkWrite(feeRateFileTask):'';
    unitPriceFileTask.length>0?await unitPriceFileModel.bulkWrite(unitPriceFileTask):'';
    unitPriceTask.length>0?await insertMany(unitPriceTask,unitPriceModel):'';
    mixRatioTask.length>0?await insertMany(mixRatioTask,mixRatioModel):'';
    return projectMap;
}

async function generateFeeRateTask(data,feeRateTask,feeRateFileTask) {
    if(data.action == 'move'){
        let task = {
            updateOne:{
                filter : data.query,
                update : data.update
            }
        };
        feeRateFileTask.push(task);
    }
    if(data.action == 'copy'){//copy 费率的时候用insertOne方法
        let [feeRateFile,feeRate] =await feeRate_facade.getFeeRateByID(data.query.ID);
        let newFeeRateID =  uuidV1();
        let newFeeRate = {
            ID:newFeeRateID,
            rates:feeRate.rates
        };
        let newFeeRateFile = {
            ID:data.ID,
            rootProjectID:data.rootProjectID,
            userID:feeRateFile.userID,
            name:data.name,
            libID:feeRateFile.libID,
            libName:feeRateFile.libName,
            feeRateID:newFeeRateID
        };
        feeRateTask.push({insertOne :{document:newFeeRate}});
        feeRateFileTask.push({insertOne :{document:newFeeRateFile}});
    }
}

async function generateUnitPriceTask(data,projectID,user_id,unitPriceTask,unitPriceFileTask,mixRatioTask){
    if(data.action == 'move'){
        let task = {
            updateOne:{
                filter : data.query,
                update : data.update
            }
        };
        unitPriceFileTask.push(task);
    }
    if(data.action == 'copy'){
        let newUnitFile = {
            id:data.id,
            name: data.name,
            project_id:projectID,
            user_id:user_id,
            root_project_id: data.rootProjectID
        };
        unitPriceFileTask.push({insertOne :{document:newUnitFile}});
        let mixRatios = await mixRatioModel.find({unit_price_file_id: data.query.id});
        mixRatios = JSON.stringify(mixRatios);
        mixRatios = JSON.parse(mixRatios);
        for(let m of mixRatios){
            delete m._id;  // 删除原有id信息
            delete m.id;
            m.unit_price_file_id = data.id;
            m.id = await getCounterID('mix_ratio');
            mixRatioTask.push(m);
        }
        let unitPrices = await unitPriceModel.find({unit_price_file_id: data.query.id});//unit_price_file_id
        unitPrices = JSON.stringify(unitPrices);
        unitPrices = JSON.parse(unitPrices);
        for(let u of unitPrices){
            delete u._id;  // 删除原有id信息
            delete u.id;
            u.unit_price_file_id = data.id;
            u.id = await getCounterID('unit_price');
            unitPriceTask.push(u);
        }
    }
}


async function getCounterID(collectionName){
    let counterModel = new CounterModel();
    return  await counterModel.getId(collectionName);
}

async function insertMany(datas,model) {
    while (datas.length>1000){//因为mongoose限制了批量插入的条数为1000.所以超出限制后需要分批插入
        let newList = datas.splice(0,1000);//一次插入1000条
        await model.insertMany(newList);
    }
    await model.insertMany(datas);

}