/**
 * Created by Tony on 2017/4/20.
 */
const mongoose = require('mongoose');
var rationRepository = require("../models/repository_map");
import baseController from "../../common/base/base_controller";
import CompilationModel from "../../users/models/compilation_model";
const gljMapModel = mongoose.model('std_glj_lib_map');
const compilationModel = mongoose.model('compilation');
import async from "async";
var callback = function(req, res, err, message, data){
    res.json({error: err, message: message, data: data});
};
// 上传控件
const multiparty = require("multiparty");
const fs = require("fs");
// excel解析
const excel = require("node-xlsx");
const rationItem = require("../models/ration_item");
const rationSectionTree = require('../models/ration_section_tree');
const rationLibModel = mongoose.model('std_ration_lib_map');
const rationItemModel = mongoose.model('std_ration_lib_ration_items');
import STDGLJListModel from '../../std_glj_lib/models/gljModel';
let logger = require('../../../logs/log_helper').logger;

class RationRepositoryController extends baseController {
    // 定额页面初始化数据
    async prepareInitData(req, res) {
        try {
            const data = JSON.parse(req.body.data);
            const rst = await rationItem.prepareInitData(data.rationRepId);
            res.json({error: 0, message: 'success', data: rst});
        } catch (err) {
            console.log(err);
            res.json({error: 1, message: 'fail', data: null});
        }
    }

    async getRationLibsByCompilation(req, res){
        try{
            let data = JSON.parse(req.body.data);
            let rationLibs = await rationRepository.getRationLibsByCompilation(data.compilationId);
            callback(req, res, 0, '', rationLibs);
        }
        catch(err){
            callback(req, res, 1, err, null);
        }
    }
    async getCompilationList(req, res) {
        try {
            let compilationModel = new CompilationModel(), rst = [];
            let compilationList = await compilationModel.getCompilationList();
            if (compilationList.length <= 0) {
                throw '没有数据';
            }
            else {

                compilationList.forEach(function (compilation) {
                    rst.push({_id: compilation._id, name: compilation.name});
                });
                //获得相关编办下的工料机库
                let parallelFucs = [];
                for (let i = 0; i < rst.length; i++) {
                    parallelFucs.push((function (obj) {
                        return function (cb) {
                            gljMapModel.find({compilationId: obj._id, deleted: false}, function (err, result) {
                                if (err) {
                                    cb(err);
                                }
                                else {
                                    cb(null, result);
                                }
                            })
                        }
                    })(rst[i]));
                }
                async.parallel(parallelFucs, function (err, result) {
                    if (err) {
                        callback(req, res, err, '没有数据', null);
                    }
                    else {
                        let gljLibsRst = [];
                        for (let i = 0; i < result.length; i++) {
                            for (let j = 0; j < result[i].length; j++) {
                                gljLibsRst.push(result[i][j]);
                            }
                        }
                        callback(req, res, false, '', {compilation: rst, gljLibs: gljLibsRst});
                    }
                })
            }
        }
        catch (err) {
            callback(req, res, err, '没有数据', null);
        }
    }

    addRationRepository(req, res) {
        var rationObj = JSON.parse(req.body.rationRepObj);
        rationRepository.addRationRepository(rationObj, function (err, data) {
            if (data) {
                callback(req, res, err, "has data", data);
            } else {
                callback(req, res, err, "no data", null);
            }
        })
    }
    getRationLib(req, res){
        let data = JSON.parse(req.body.data);
        let libId = data.libId;
        rationRepository.getRationLib(libId, function(err, data){
            if (data) {
                callback(req, res, err, "has data", data);
            } else {
                callback(req, res, err, "no data", null);
            }
        });
    }

    async getDisPlayRationLibs(req, res) {
        rationRepository.getDisplayRationLibs(function (err, data) {
            if (data) {
                callback(req, res, err, "has data", data);
            } else {
                callback(req, res, err, "no data", null);
            }
        });
    }

    getRealLibName(req, res) {
        var libName = req.body.rationName;
        rationRepository.getRealLibName(libName, function (err, data) {
            if (data) {
                callback(req, res, err, "has data", data);
            } else {
                callback(req, res, err, "no data", null);
            }
        })
    }

    getLibIDByName(req, res) {
        rationRepository.getLibIDByName(req.body.libName, function (err, data) {
            if (data) {
                callback(req, res, err, "has ID", data);
            } else {
                callback(req, res, err, "no ID", null);
            }
        })
    }

    deleteRationLib(req, res) {
        logger.info(`deleteRationLib ${req.ip}`);
        let oprtor = req.body.oprtor,
            libId = req.body.libId;
        rationRepository.deleteRationLib(oprtor, libId, function (err, message) {
            callback(req, res, err, message, null);
        });
    }

    updateRationRepositoryName(req, res) {
        let oprtor = req.body.oprtor,
            renameObj = JSON.parse(req.body.renameObj);
        rationRepository.updateName(oprtor, renameObj, function (err, message) {
            callback(req, res, err, message, null);
        })
    }

    /**
     * 上传定额库原始数据
     *
     * @param {Object} request
     * @param {Object} response
     * @return {void}
     */
    async uploadSourceData(request, response) {
        let responseData = {
            err: 0,
            msg: ''
        };
        const allowHeader = [
            'application/vnd.ms-excel', 
            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
            'application/octet-stream'
        ];
        const uploadOption = {
            uploadDir: './public'
        };
        const form = new multiparty.Form(uploadOption);
        let uploadFullName
        form.parse(request, async function(err, fields, files) {
            try{
                const rationRepId = fields.rationRepId !== undefined && fields.rationRepId.length > 0 ?
                    fields.rationRepId[0] : 0;
                const type = fields.type !== undefined && fields.type.length > 0 ?
                    fields.type[0] : '';
                if (rationRepId <= 0 || type === '') {
                    throw '参数错误';
                }
                const file = files.file !== undefined ? files.file[0] : null;
                if (err || file === null) {
                    throw '上传失败';
                }
                console.log(file.headers['content-type']);
                // 判断类型
                if (file.headers['content-type'] === undefined || allowHeader.indexOf(file.headers['content-type']) < 0) {
                    throw `不支持该类型：${file.headers['content-type']}`;
                }
                // 重命名文件名
                uploadFullName = uploadOption.uploadDir + '/' + file.originalFilename;
                fs.renameSync(file.path, uploadFullName);

                const sheet = excel.parse(uploadFullName);
                if (sheet[0] === undefined || sheet[0].data === undefined) {
                    throw 'excel没有对应数据';
                }
                let failGLJList;
                switch (type) {
                    // 导入原始数据
                    case 'source_file':
                        failGLJList = await rationItem.batchAddFromExcel(rationRepId, sheet[0].data);
                        break;
                    // 导入内部数据
                    case 'import_data':
                        failGLJList = await rationItem.batchUpdateSectionIdFromExcel(sheet[0].data);
                        break;
                    // 导入章节数据(一列文本，生成兄弟节点树)
                    case 'section_file':
                        await rationSectionTree.importSection(rationRepId, sheet[0].data);
                        break;
                }
                if (Array.isArray(failGLJList) && failGLJList.length > 0) {
                    responseData.msg = failGLJList.join("<br/>");
                }
                // 删除文件
                if(uploadFullName && fs.existsSync(uploadFullName)){
                    fs.unlink(uploadFullName);
                }
                response.json(responseData);
            }
            catch (error){
                console.log(error);
                if(uploadFullName && fs.existsSync(uploadFullName)){
                    fs.unlink(uploadFullName);
                }
                responseData.err = 1;
                responseData.msg = error;
                response.json(responseData);
            }
        });
        return;
    }

    /**
     * 导出内部数据
     *
     * @param {Object} request
     * @param {Object} response
     * @return {void}
     */
    async exportRationData(request, response) {
        let rationRepId = request.query.rationRepId;
        rationRepId = parseInt(rationRepId);
        try {
            if (isNaN(rationRepId) || rationRepId <= 0) {
                throw '参数错误';
            }
            const excelData = await rationItem.exportExcelData(rationRepId);
            const buffer = excel.build([{name: "sheet", data: excelData}]);
            const filePath = './public/export.xlsx';
            fs.writeFileSync(filePath, buffer, 'binary');
            const stats = fs.statSync(filePath);
            // 下载相关header
            response.set({
                'Content-Type': 'application/octet-stream',
                'Content-Disposition': 'attachment; filename=ration.xlsx',
                'Content-Length': stats.size
            });
            fs.createReadStream(filePath).pipe(response);
            fs.unlink(filePath);
        } catch (error) {
            response.end(error);
        }
    }
    //一键重新计算所有定额数据
    async reCalcAll(req, res){
        try{
            let data = JSON.parse(req.body.data);
            let rationRepId = data.rationRepId;
            let rationLib = await rationLibModel.findOne({ID: rationRepId, $or: [{deleted: null},{deleted: false}]});
            if(!rationLib){
                throw '不存在此定额库';
            }
            let task = [];
            // 获取标准工料机库数据
            const stdBillsLibListsModel = new STDGLJListModel();
            const stdGLJData = await stdBillsLibListsModel.getGljItemsByRepId(rationLib.gljLib);
            // 整理标准工料机库数据
            let stdGLJList = {};
            let stdGLJListByID = {};
            for (const tmp of stdGLJData) {
                if (tmp.priceProperty && Object.keys(tmp.priceProperty).length) {
                    tmp.basePrice = tmp.priceProperty.price1;
                }
                stdGLJList[tmp.code.toString()] = tmp.ID;
                stdGLJListByID[tmp.ID] = tmp;
            }
            //获取所有的定额
            let allRations = await rationItemModel.find({rationRepId: rationRepId, $or: [{isDeleted: false}, {isDeleted: null}]});
            let compilation = await compilationModel.findOne({_id: mongoose.Types.ObjectId(rationLib.compilationId)});
            let tempUrl = compilation.overWriteUrl ? req.app.locals.rootDir + compilation.overWriteUrl : req.app.locals.rootDir;
            let absoluteUrl = fs.existsSync(tempUrl) && fs.statSync(tempUrl).isFile()? tempUrl : null;
            for(let ration of allRations){
                rationItem.calcForRation(stdGLJListByID, ration, absoluteUrl);
                task.push({
                    updateOne: {
                        filter: {ID: ration.ID},
                        update: {$set: {labourPrice: ration.labourPrice, materialPrice: ration.materialPrice, machinePrice: ration.machinePrice, basePrice: ration.basePrice}}
                    }
                });
            }
            if(task.length > 0){
                await rationItemModel.bulkWrite(task);
            }
            res.json({error: 0, message: 'success', data: null});
        }
        catch (err){
            res.json({error: 1, message: err, data: null});
        }
    }

}

export default RationRepositoryController;