/**
 * Created by Mai on 2017/1/18.
 */
import UnitPriceFileModel from "../../glj/models/unit_price_file_model";
let mongoose = require('mongoose');
let ProjectsData = require('../models/project_model').project;
let labourCoe = require('../../main/facade/labour_coe_facade');
let projType = require('../models/project_model').projType;
let fileType = require('../models/project_model').fileType;
const engineering = require("../../common/const/engineering");
let EngineeringLibModel = require("../../users/models/engineering_lib_model");
let fee_rate_facade = require("../../fee_rates/facade/fee_rates_facade");
let billsModel = require('../../main/models/bills').model;
let rationsModel = require('../../main/models/ration').model;
let projectModel = mongoose.model('projects');
let unitPriceFileModel = mongoose.model('unit_price_file');
let feeRateFileModel = mongoose.model('fee_rate_file');
let asyncTool = require('async');
let pm_facade = require('../facade/pm_facade');

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


module.exports = {
    checkRight: function (req, res) {
        if(typeof req.body.data === 'object'){
            req.body.data = JSON.stringify(req.body.data);
        }
        let data = JSON.parse(req.body.data);
        if (data.user_id) {
            return data.user_id === req.session.sessionUser.id;
        } else {
            return false;
        }
    },
    checkProjectRight: function (userId, projectId, callback) {
        ProjectsData.getProject(projectId).then(function (result) {
            /**
             * result._doc.userID(Number): MongoDB
             * userId(String): Session.userID
             */
            if (result._doc.userID == userId && result._doc.projType === projType.tender) {
                callback(true);
            } else {
                callback(false);
            }
        }).catch(function (err) {
            callback(false);
        });
    },
    getProjects: async function(req, res){
         await ProjectsData.getUserProjects(req.session.sessionUser.id, req.session.sessionCompilation._id, function(err, message, projects){
            if (projects) {
                callback(req, res, err, message, projects);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },
    updateProjects: async function (req, res) {
        let data = JSON.parse(req.body.data);
        await ProjectsData.updateUserProjects(req.session.sessionUser.id, req.session.sessionCompilation._id, data.updateData, function (err, message, data) {
            if (err === 0) {
                callback(req, res, err, message, data);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },
    // CSL, 2017-12-14 该方法用于项目属性:提交保存混合型数据，这些数据来自不同的表，包括projects.property、ration、bills、labour_coes.
    updateMixDatas: function(req, res){
        let datas = JSON.parse(req.body.data).mixDataArr;
        let functions = [];

        function updateFunc(model, cod, doc) {
            return function (cb) {
                model.update(cod, doc, cb);
            }
        };

        function updateLC(){
            return function (cb) {
                datas.labourCoes.updateData.projectID = datas.projectID;
                labourCoe.save(datas.labourCoes.updateData, cb);
            }
        };

        // 项目属性
        if (Object.keys(datas.properties).length > 0){
            functions.push(updateFunc(projectModel, {ID: datas.projectID}, datas.properties));
        };

        // 人工系数
        if (datas.labourCoes&&datas.labourCoes.updateData){
            functions.push(updateLC());
        };

        // 清单：每文档doc只存储一条清单，每条清单都必须定位一次文档，无法合并处理
        if (datas.bills.length > 0){
            for (let bill of datas.bills){
                functions.push(updateFunc(billsModel, {projectID: datas.projectID, ID: bill.ID, deleteInfo: null}, bill));
            };
        };

        // 定额：每文档doc只存储一条定额，每条定额都必须定位一次文档，无法合并处理
        if (datas.rations.length > 0){
            for (let ration of datas.rations){
                functions.push(updateFunc(rationsModel, {projectID: datas.projectID, ID: ration.ID, deleteInfo: null}, ration));
            };
        };

        asyncTool.parallel(functions, function(err, result){
            {
                if (!err) {
                    res.json({error: 0, message: err, data: result});
                } else {
                    res.json({error: 1, message: err, data: null});
                }
            }
        });
    },
    updateFiles: async function(req, res){
        let data = JSON.parse(req.body.data);
        let updateDatas = data.updateDatas;
        await ProjectsData.udpateUserFiles(req.session.sessionUser.id, updateDatas, function (err, message, data) {
            callback(req, res, err, message, data);
        });
    },
 /*   copyProjects: function (req, res) {
        let data = JSON.parse(req.body.data);
        ProjectsData.copyUserProjects(req.session.sessionUser.id, req.session.sessionCompilation._id, data.updateData, function (err, message, data) {
            if (err === 0) {
                callback(req, res, err, message, data);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },*/
    rename: function (req, res) {
        let data = JSON.parse(req.body.data);
        ProjectsData.rename(req.session.sessionUser.id, req.session.sessionCompilation._id, data, function (err, message) {
            callback(req, res, err, message, null);
        });
    },
    getProject: function(req, res){
        let data = JSON.parse(req.body.data);
        ProjectsData.getUserProject(req.session.sessionUser.id, data.proj_id, async function(err, message, data){
            if (err === 0) {
                let engineeringLibModel = new EngineeringLibModel();
                let engineeringInfo = data !== null && data.property.engineering_id !== undefined ?
                    await engineeringLibModel.getEngineering(data.property.engineering_id) : null;
                let strData = JSON.stringify(data);
                let projInfo = JSON.parse(strData);
                if (engineeringInfo !== null) {
                    projInfo.engineeringInfo = engineeringInfo;
                }
                callback(req, res, err, message, projInfo);
            } else {
                callback(req, res, err, message, null);
            }
        });
    },
    beforeOpenProject: function (req, res) {
        let data = JSON.parse(req.body.data);
        ProjectsData.beforeOpenProject(req.session.sessionUser.id, data.proj_id, data.updateData, function (err, message, data) {
            callback(req, res, err, message, data);
        });
    },
    getNewProjectID: function (req, res) {
        let data = JSON.parse(req.body.data);
        ProjectsData.getNewProjectID(data.count, function (err, message, data) {
            callback(req, res, err, message, data);
        });
    },
    // 项目管理首页
    index: async function(request, response) {
        // 获取编办信息
        let sessionCompilation = request.session.sessionCompilation;
        if (sessionCompilation === undefined) {
            return response.redirect('/logout');
        }

        // 清单计价
        let billValuation = sessionCompilation.bill_valuation !== undefined ?
            sessionCompilation.bill_valuation : [];

        // 获取标准库数据
        let engineeringLibModel = new EngineeringLibModel();
        billValuation = await engineeringLibModel.getLib(billValuation);

        // 定额计价
        let rationValuation = sessionCompilation.ration_valuation !== undefined ?
            sessionCompilation.ration_valuation : [];
        rationValuation = await engineeringLibModel.getLib(rationValuation);
        let renderData = {
            userAccount: request.session.userAccount,
            userID: request.session.sessionUser.id,
            compilationData: JSON.stringify(sessionCompilation),
            billValuation: JSON.stringify(billValuation),
            rationValuation: JSON.stringify(rationValuation),
            engineeringList: JSON.stringify(engineering.List),
            versionName: sessionCompilation.name + '免费版'
        };

        response.render('building_saas/pm/html/project-management.html', renderData);
    },
    // 获取单价文件列表
    getUnitFileList: async function(request, response) {
        let data = request.body.data;
        try {
            data = JSON.parse(data);
            let projectId = data.parentID !== undefined ? data.parentID : 0;
            if (isNaN(projectId) && projectId <= 0) {
                throw {msg: 'id数据有误!', err: 1};
            }
            /*// 获取对应建设项目下所有的单位工程id
            let idList = await ProjectsData.getTenderByProjectId(projectId);
            if (idList.length <= 0) {
                throw {msg: '不存在对应单位工程', err: 0};
            }*/
            // 获取对应的单价文件
            let unitPriceFileModel = new UnitPriceFileModel();
            let unitPriceFileData = await unitPriceFileModel.getDataByRootProject(projectId);

            if (unitPriceFileData === null) {
                throw {msg: '不存在对应单价文件', err: 0};
            }

            // 整理数据
            let unitPriceFileList = [];
            for (let unitPriceFile of unitPriceFileData) {
                let tmp = {
                    name: unitPriceFile.name,
                    id: unitPriceFile.id
                };
                unitPriceFileList.push(tmp);
            }

            callback(request, response, 0, '', unitPriceFileList);
        } catch (error) {
            console.log(error);
            let responseData = error.err === 1 ? null : [];
            callback(request, response, error.err, error.msg, responseData);
        }
    },
    getFeeRateFileList:async function(request, response) {
        let data = request.body.data;
        try {
            data = JSON.parse(data);
            let projectId = data.parentID !== undefined ? data.parentID : 0;
            if (isNaN(projectId) && projectId <= 0) {
                throw {msg: 'id数据有误!', err: 1};
            }
            // 获取对应建设项目下所有的单位工程id
            let feeRateFileList = await fee_rate_facade.getFeeRatesByProject(projectId);
            callback(request, response, 0, '',feeRateFileList );
        } catch (error) {
            console.log(error);
            let responseData = error.err === 1 ? null : [];
            callback(request, response, error.err, error.msg, responseData);
        }
    },

    getGCDatas: async function(request, response) {
        let userID = request.session.sessionUser.id;
        let compilatoinId = request.session.sessionCompilation._id;
        let rst = [];
        let _projs = Object.create(null), _engs = Object.create(null), prefix = 'ID_';
        try{
            let gc_unitPriceFiles = await ProjectsData.getGCFiles(fileType.unitPriceFile, userID);
            let gc_feeRateFiles = await ProjectsData.getGCFiles(fileType.feeRateFile, userID);
            let gc_tenderFiles = await ProjectsData.getGCFiles(projType.tender, userID);
            for(let i = 0, len = gc_unitPriceFiles.length; i < len; i++){
                let gc_uf = gc_unitPriceFiles[i];
                let theProj = _projs[prefix + gc_uf.root_project_id] || null;
                if(!theProj){
                    let tempProj = await ProjectsData.getProjectsByIds(userID, compilatoinId, [gc_uf.root_project_id]);
                    if(tempProj.length > 0 && tempProj[0].projType !== projType.folder){
                        theProj = _projs[prefix + gc_uf.root_project_id] = tempProj[0]._doc;
                        buildProj(theProj);
                    }
                }
                if(theProj){
                    theProj.unitPriceFiles.push(gc_uf);
                }
            }
            for(let i = 0, len = gc_feeRateFiles.length; i < len; i++){
                let gc_ff = gc_feeRateFiles[i];
                let theProj = _projs[prefix + gc_ff.rootProjectID] || null;
                if(!theProj){
                    let tempProj = await ProjectsData.getProjectsByIds(userID, compilatoinId, [gc_ff.rootProjectID]);
                    if(tempProj.length > 0 && tempProj[0].projType !== projType.folder){
                        theProj = _projs[prefix + gc_ff.rootProjectID] = tempProj[0]._doc;
                        buildProj(theProj);
                    }
                }
                if(theProj) {
                    theProj.feeRateFiles.push(gc_ff);
                }
            }
            if(gc_tenderFiles.length > 0){
                for(let i = 0, len = gc_tenderFiles.length; i < len; i++){
                    let gc_t = gc_tenderFiles[i];
                    let theEng = _engs[prefix + gc_t.ParentID] || null;
                    if(!theEng){
                        let tempEngs = await ProjectsData.getProjectsByIds(userID, compilatoinId, [gc_t.ParentID]);
                        if(tempEngs.length > 0 && tempEngs[0].projType === projType.engineering){
                            theEng = _engs[prefix + gc_t.ParentID] = tempEngs[0]._doc;
                            theEng.children = [];
                        }
                    }
                    if(theEng) {
                        theEng.children.push(gc_t);
                        let theProj = _projs[prefix + theEng.ParentID] || null;
                        if(!theProj){
                            let tempProj = await ProjectsData.getProjectsByIds(userID, compilatoinId, [theEng.ParentID]);
                            if(tempProj.length > 0 && tempProj[0].projType === projType.project){
                                theProj = _projs[prefix + theEng.ParentID] = tempProj[0]._doc;
                                buildProj(theProj);
                            }
                        }
                        if(theProj) {
                            let isExist = false;
                            for(let j = 0, jLen = theProj.children.length; j < jLen; j++){
                                if(theProj.children[j].ID === theEng.ID){
                                    isExist = true;
                                    break;
                                }
                            }
                            if(!isExist){
                                theProj.children.push(theEng);
                            }
                        }
                    }
                }
            }
            for(let i in _projs){
                rst.push(_projs[i]);
            }
            function buildProj(proj){
                proj.children = [];
                proj.unitPriceFiles = [];
                proj.feeRateFiles = [];
            }
            callback(request, response, 0, 'success', rst);
        }
        catch (error){
            callback(request, response, true, error, null);
        }
    },

    recGC: function(request, response){
        let userID = request.session.sessionUser.id;
        let data = JSON.parse(request.body.data);
        let nodes = data.nodes;
        ProjectsData.recGC(userID, nodes, function (err, msg, data) {
            callback(request, response, err, msg, data);
        });
   },

    delGC: async function(request, response){
        let data = JSON.parse(request.body.data);
        let delDatas = data.delDatas;
        let bulkProjs = [], bulkUFs = [], bulkFFs = [];
        try{
            for(let data of delDatas){
                if(data.updateType === 'Project'){
                    bulkProjs.push({updateOne: {filter: {ID: data.ID}, update: {'deleteInfo.completeDeleted': true}}});
                }
                else if(data.updateType === fileType.unitPriceFile){
                    bulkUFs.push({updateOne: {filter: {id: data.ID}, update: {'deleteInfo.completeDeleted': true}}});
                }
                else{
                    bulkFFs.push({updateOne: {filter: {ID: data.ID}, update: {'deleteInfo.completeDeleted': true}}});
                }
            }
            if(bulkProjs.length > 0){
                await projectModel.bulkWrite(bulkProjs);
            }
            if(bulkUFs.length > 0){
                await unitPriceFileModel.bulkWrite(bulkUFs);
            }
            if(bulkFFs.length > 0){
                await feeRateFileModel.bulkWrite(bulkFFs);
            }
            callback(request, response, 0, 'success', null);
        } catch(err){
            callback(request, response, 1, err, null);
        }
    },
    moveProject:async function(req,res){
        let result={
            error:0
        };
        try {
            let data = req.body.data;
            let rdata= await pm_facade.moveProject(data);
            result.data= rdata;
        }catch (err){
            console.log(err);
            result.error=1;
            result.message = err.message;
        }
        res.json(result);
    },
    copyProjects:async function (req, res) {
        let result={
            error:0
        };
        try {
            let data = JSON.parse(req.body.data);
            result.data = await pm_facade.copyProject(req.session.sessionUser.id, req.session.sessionCompilation._id,data);
        }catch (err){
            console.log(err);
            result.error=1;
            result.message = err.message;
        }
        res.json(result);
    },
    projectShareInfo: async function(req, res){
        try{
            let data = JSON.parse(req.body.data);
            let shareInfo = await projectModel.findOne({ID: data.projectID, $or: [{deleteInfo: null}, {'deleteInfo.deleted': false}]}, 'shareInfo');
            callback(req, res, 0, 'success', shareInfo);
        }
        catch (err){
            callback(req, res, 1, err, null);
        }
    }
};