/**
 * Created by Tony on 2017/4/28.
 */

let async = require("async");
let moment = require('moment');
let counter = require('../../../public/counter/counter');
let gljDao = require('./glj_repository');
let rationRepositoryDao = require('./repository_map');
const scMathUtil = require('../../../public/scMathUtil').getUtil();
import {rationItemModel, compleRationModel} from './schemas';
import STDGLJListModel from '../../std_glj_lib/models/gljModel';

var rationItemDAO = function(){};

rationItemDAO.prototype.sortToNumber = function (datas) {
    for(let i = 0, len = datas.length; i < len; i++){
        let data = datas[i]._doc;
        if(_exist(data, 'labourPrice')){
            data['labourPrice'] = parseFloat(data['labourPrice']);
        }
        if(_exist(data, 'materialPrice')){
            data['materialPrice'] = parseFloat(data['materialPrice']);
        }
        if(_exist(data, 'machinePrice')){
            data['machinePrice'] = parseFloat(data['machinePrice']);
        }
        if(_exist(data, 'basePrice')){
            data['basePrice'] = parseFloat(data['basePrice']);
        }
        if(_exist(data, 'rationGljList')){
            for(let j = 0, jLen = data['rationGljList'].length; j < jLen; j++){
                let raGljObj = data['rationGljList'][j]._doc;
                if(_exist(raGljObj, 'consumeAmt')){
                    raGljObj['consumeAmt'] = parseFloat(raGljObj['consumeAmt']);
                }
            }
        }
    }
    function _exist(data, attr){
        return data && data[attr] !== undefined && data[attr];
    }
};

rationItemDAO.prototype.getRationItemsBySection = function(rationRepId, sectionId,callback){
    let me = this;
    rationItemModel.find({"rationRepId": rationRepId, "sectionId": sectionId, "$or": [{"isDeleted": null}, {"isDeleted": false} ]},function(err,data){
        if(err) callback(true, "Fail to get items", "");
        else {
            me.sortToNumber(data);
            callback(false,"Get items successfully", data);
        }
    })
};
rationItemDAO.prototype.mixUpdateRationItems = function(rationLibId, lastOpr, sectionId, updateItems, addItems, rIds, callback){
    var me = this;
    if (updateItems.length == 0 && rIds.length == 0) {
        me.addRationItems(rationLibId, lastOpr, sectionId, addItems, callback);
    } else {
        me.removeRationItems(rationLibId, lastOpr, rIds, function(err, message, docs) {
            if (err) {
                callback(true, "Fail to remove", false);
            } else {
                me.updateRationItems(rationLibId, lastOpr, sectionId, updateItems, function(err, results){
                    if (err) {
                        callback(true, "Fail to save", false);
                    } else {
                        if (addItems && addItems.length > 0) {
                            me.addRationItems(rationLibId, lastOpr, sectionId, addItems, callback);
                        } else {
                            callback(false, "Save successfully", results);
                        }
                    }
                });
            }
        })
    }
};

rationItemDAO.prototype.removeRationItems = function(rationLibId, lastOpr, rIds,callback){
    if (rIds.length > 0) {
        rationItemModel.collection.remove({ID: {$in: rIds}}, null, function(err, docs){
            if (err) {
                callback(true, "Fail to remove", false);
            } else {
                rationRepositoryDao.updateOprArr({ID: rationLibId}, lastOpr, moment(Date.now()).format('YYYY-MM-DD HH:mm:ss'), function (err) {
                    if(!err){
                        callback(false, "Remove successfully", docs);
                    }
                })
            }
        })
    } else {
        callback(false, "No records were deleted!", null);
    }
};

rationItemDAO.prototype.getRationItemsByCode = function(repId, code,callback){
    rationItemModel.find({"rationRepId": repId, "code": {'$regex': code, $options: '$i'}, "$or": [{"isDeleted": null}, {"isDeleted": false}]},function(err,data){
        if(err) callback(true, "Fail to get items", "")
        else callback(false,"Get items successfully", data);
    })
};

rationItemDAO.prototype.findRation = function (repId, keyword, callback) {
    var filter = {
        'rationRepId': repId,
        '$and': [{
            '$or': [{'code': {'$regex': keyword, $options: '$i'}}, {'name': {'$regex': keyword, $options: '$i'}}]
        }, {
            '$or': [{'isDeleted': {"$exists":false}}, {'isDeleted': null}, {'isDeleted': false}]
        }]
    };
    rationItemModel.find(filter, function (err, data) {
        if (err) {
            callback(true, 'Fail to find ration', null);
        } else {
            callback(false, '', data);
        }
    })
}

rationItemDAO.prototype.getRationItem = function (repId, code, callback) {
    if (callback) {
        rationItemModel.findOne({rationRepId: repId, code: code, "$or": [{"isDeleted": null}, {"isDeleted": false}]}, '-_id').exec()
            .then(function (result, err) {
                if (err) {
                    callback(1, '找不到定额“' + code +'”' , null);
                } else {
                    callback(0, '', result);
                }
            });
        return null;
    } else {
        return rationItemModel.findOne({rationRepId: repId, code: code, "$or": [{"isDeleted": null}, {"isDeleted": false}]}, '-_id').exec();
    }
};

rationItemDAO.prototype.addRationItems = function(rationLibId, lastOpr, sectionId, items,callback){
    if (items && items.length > 0) {
        counter.counterDAO.getIDAfterCount(counter.moduleName.rations, items.length, function(err, result){
            var maxId = result.value.sequence_value;
            var arr = [];
            for (var i = 0; i < items.length; i++) {
                var obj = new rationItemModel(items[i]);
                obj.ID = (maxId - (items.length - 1) + i);
                obj.sectionId = sectionId;
                obj.rationRepId = rationLibId;
                arr.push(obj);
            }
            rationItemModel.collection.insert(arr, null, function(err, docs){
                if (err) {
                    callback(true, "Fail to save", false);
                } else {
                    rationRepositoryDao.updateOprArr({ID: rationLibId}, lastOpr, moment(Date.now()).format('YYYY-MM-DD HH:mm:ss'), function (err) {
                        if(err){
                            callback(true, "Fail to sava operator", false);
                        }
                        else{
                            callback(false, "Save successfully", docs);
                        }
                    })
                }
            })
        });
    } else {
        callback(true, "Source error!", false);
    }
};

rationItemDAO.prototype.updateRationItems = function(rationLibId, lastOpr, sectionId, items,callback){
    var functions = [];
    for (var i=0; i < items.length; i++) {
        functions.push((function(doc) {
            return function(cb) {
                var filter = {};
                if (doc.ID) {
                    filter.ID = doc.ID;
                } else {
                    filter.sectionId = sectionId;
                    if (rationLibId) filter.rationRepId = rationLibId;
                    filter.code = doc.code;
                }
                rationItemModel.update(filter, doc, cb);
            };
        })(items[i]));
    }
    functions.push((function () {
        return function (cb) {
            rationRepositoryDao.updateOprArr({ID: rationLibId}, lastOpr, moment(Date.now()).format('YYYY-MM-DD HH:mm:ss'), function (err) {
                if(err){
                    cb(err);
                }
                else{
                    cb(null);
                }
            });
        }
    })());
    async.parallel(functions, function(err, results) {
        callback(err, results);
    });
};
//ration round func
function round(v,e){
    var t=1;
    for(;e>0;t*=10,e--);
    for(;e<0;t/=10,e++);
    return Math.round(v*t)/t;
}


rationItemDAO.prototype.updateRationBasePrc = function (basePrcArr, callback) {

    async.each(basePrcArr, function (basePrcObj, finalCb) {
        let adjGljId = basePrcObj.gljId, adjBasePrice = basePrcObj.basePrice, adjGljType = basePrcObj.gljType;
        async.waterfall([
            function (cb) {
                if(typeof basePrcObj.delete !== 'undefined' && basePrcObj.delete === 1){
                    rationItemModel.find({'rationGljList.gljId': adjGljId},{ID: 1, rationGljList: 1}, function (err, result) {
                        if(err){
                            cb(err);
                        }
                        else{
                            //删除
                            rationItemModel.update({'rationGljList.gljId': adjGljId}, {$pull: {rationGljList: {gljId: adjGljId}}}, {multi: true}, function (err) {
                                if(err){
                                    cb(err);
                                }
                                else{
                                    //补充定额
                                    compleRationModel.find({'rationGljList.gljId': adjGljId},{ID: 1, rationGljList: 1}, function (err, compleRst) {
                                        if(err){
                                            cb(err);
                                        }
                                        else {
                                            compleRationModel.update({'rationGljList.gljId': adjGljId}, {$pull: {rationGljList: {gljId: adjGljId}}}, {multi: true}, function (err) {
                                                if(err){
                                                    cb(err);
                                                }
                                                else {
                                                    for(let i = 0, len = compleRst.length; i < len; i++){
                                                        compleRst[i]._doc.type = 'complementary';
                                                    }
                                                    cb(null, result.concat(compleRst));
                                                }
                                            });
                                        }
                                    });
                                }
                            });
                        }
                    });
                }
                else{
                    rationItemModel.find({'rationGljList.gljId': adjGljId}, function (err, result) {
                        if(err){
                            cb(err);
                        }
                        else{
                            compleRationModel.find({'rationGljList.gljId': adjGljId}, function (err, compleRst) {
                                if(err){
                                    cb(err);
                                }
                                else {
                                    for(let i = 0, len = compleRst.length; i < len; i++){
                                        compleRst[i]._doc.type = 'complementary';
                                    }
                                    cb(null, result.concat(compleRst));
                                }
                            });
                        }
                    });
                }
            },
            function (result, cb) {
                async.each(result, function (rationItem, ecb) {
                    let rationGljList = rationItem.rationGljList,
                        gljIds = [];
                    gljDao.getStdCompleGljItems(rationGljList, function(err, gljItems){
                        if(err){
                            ecb(err);
                        }
                        else{
                            let gljArr = [];
                            for(let i=0; i<gljItems.length; i++){
                                let gljParentType = -1;
                                if(gljItems[i].ID === adjGljId){
                                    gljItems[i].gljType = adjGljType;
                                }
                                if(gljItems[i].gljType <= 3){
                                    gljParentType = gljItems[i].gljType;
                                }
                                if(gljItems[i].gljType > 200 && gljItems[i].gljType < 300){
                                    gljParentType = 2;
                                }
                                if(gljItems[i].gljType > 300 && gljItems[i].gljType < 400){
                                    gljParentType = 3;
                                }
                                if(gljItems[i].ID === adjGljId){
                                    gljArr.push({gljId: gljItems[i].ID, basePrice: adjBasePrice, gljParentType: gljParentType});
                                }
                                else {
                                    gljArr.push({gljId: gljItems[i].ID, basePrice: parseFloat(gljItems[i].basePrice), gljParentType: gljParentType});
                                }
                            }
                            gljArr.forEach(function (gljItem) {
                                rationGljList.forEach(function (rationGlj) {
                                    if(gljItem.gljId === rationGlj.gljId){
                                        gljItem.consumeAmt = parseFloat(rationGlj.consumeAmt);
                                    }
                                })
                            });
                            //recalculate the price of ration
                            let labourPrc = [], materialPrc = [], machinePrc = [], singlePrc, updatePrc = {labourPrice: 0, materialPrice: 0, machinePrice: 0, basePrice: 0};
                            gljArr.forEach(function (gljItem) {
                                if(gljItem.gljParentType !== -1){
                                    singlePrc = scMathUtil.roundTo(gljItem.basePrice * gljItem.consumeAmt, -3);
                                    if(gljItem.gljParentType === 1){
                                        labourPrc.push(singlePrc);
                                    }
                                    else if(gljItem.gljParentType ===2){
                                        materialPrc.push(singlePrc);
                                    }
                                    else{
                                        machinePrc.push(singlePrc);
                                    }
                                }
                            });
                            if(labourPrc.length > 0){
                                let sumLaP = 0;
                                for(let i=0; i<labourPrc.length; i++){
                                    sumLaP += labourPrc[i];
                                }
                                updatePrc.labourPrice = scMathUtil.roundTo(sumLaP, -2);
                            }
                            if(materialPrc.length > 0){
                                let sumMtP = 0;
                                for(let i= 0; i<materialPrc.length; i++){
                                    sumMtP += materialPrc[i];
                                }
                                updatePrc.materialPrice = scMathUtil.roundTo(sumMtP, -2);
                            }
                            if(machinePrc.length > 0){
                                let sumMaP = 0;
                                for(let i =0; i< machinePrc.length; i++){
                                    sumMaP += machinePrc[i];
                                }
                                updatePrc.machinePrice = scMathUtil.roundTo(sumMaP, -2);
                            }
                            updatePrc.basePrice = scMathUtil.roundTo(updatePrc.labourPrice + updatePrc.materialPrice + updatePrc.machinePrice, -2);
                            //updateDataBase
                            if(rationItem._doc.type !== undefined && rationItem._doc.type === 'complementary'){
                                compleRationModel.update({ID: rationItem.ID}, {$set: {labourPrice: updatePrc.labourPrice.toString(), materialPrice: updatePrc.materialPrice.toString(),
                                        machinePrice: updatePrc.machinePrice.toString(), basePrice: updatePrc.basePrice.toString()}},
                                    function (err, result) {
                                        if(err){
                                            ecb(err);
                                        }
                                        else {
                                            ecb(null);
                                        }
                                    });
                            }
                            else {
                                rationItemModel.update({ID: rationItem.ID}, {$set: {labourPrice: updatePrc.labourPrice.toString(), materialPrice: updatePrc.materialPrice.toString(),
                                        machinePrice: updatePrc.machinePrice.toString(), basePrice: updatePrc.basePrice.toString()}},
                                    function (err, result) {
                                        if(err){
                                            ecb(err);
                                        }
                                        else {
                                            ecb(null);
                                        }
                                    });
                            }
                        }
                    });
                }, function(err){
                    if(err){
                        cb(err);
                    }
                    else {
                        cb(null);
                    }
                });
            },
        ], function (err) {
            if(err){
                finalCb(err);
            }
            else{
                finalCb(null);
            }
        });
    }, function (err) {
        if(err){
            callback(err, 'Error');
        }
        else{
            callback(null, '');
        }
    });
};

rationItemDAO.prototype.getRationGljIds = function (data, callback) {
    let repId = data.repId;
    rationItemModel.find({rationRepId: repId}, function (err, result) {
        if(err){
            callback(err, 'Error', null);
        }
        else{
            let rstIds = [], newRst = [];
            result.forEach(function (data) {
                if(data.rationGljList.length >0){
                    data.rationGljList.forEach(function (gljObj) {
                        rstIds.push(gljObj.gljId);
                    })
                }
            });
            for(let i= 0; i< rstIds.length; i++){
                if(newRst.indexOf(rstIds[i]) === -1){
                    newRst.push(rstIds[i]);
                }
            }
            callback(null, '', newRst);
        }
    });
};

rationItemDAO.prototype.getRationsCodes = function (data, callback) {
    let repId = data.repId;
    rationItemModel.find({rationRepId: repId}, function (err, result) {
        if(err){
            callback(err, 'Error', null);
        }
        else{
            let rstCodes = [];
            result.forEach(function (rationItem) {
                rstCodes.push(rationItem.code);
            });
            callback(null, 'get all rationCodes success', rstCodes);
        }
    })
};

rationItemDAO.prototype.updateJobContent = function (lastOpr, repId, updateArr, callback) {
    rationRepositoryDao.updateOprArr({ID: repId}, lastOpr, moment(Date.now()).format('YYYY-MM-DD HH:mm:ss'), function (err) {
        async.each(updateArr, function (obj, cb) {
            rationItemModel.update({rationRepId: repId, code: obj.code}, {$set: {jobContent: obj.jobContent}}, function (err) {
                if(err){
                    cb(err);
                }
                else{
                    cb(null);
                }
            })
        }, function (err) {
            if(err){
                callback(err);
            }
            else{
                callback(null);
            }
        });
    });
}

rationItemDAO.prototype.updateAnnotation = function (lastOpr, repId, updateArr, callback) {
    rationRepositoryDao.updateOprArr({ID: repId}, lastOpr, moment(Date.now()).format('YYYY-MM-DD HH:mm:ss'), function (err) {
        async.each(updateArr, function (obj, cb) {
            rationItemModel.update({rationRepId: repId, code: obj.code}, {$set: {annotation: obj.annotation}}, function (err) {
                if(err){
                    cb(err);
                }
                else{
                    cb(null);
                }
            })
        }, function (err) {
            if(err){
                callback(err);
            }
            else{
                callback(null);
            }
        });
    });
};

/**
 * 根据条件获取定额数据
 *
 * @param {Object} condition
 * @param {Object} fields
 * @param {String} indexBy
 * @return {Promise|Array}
 */
rationItemDAO.prototype.getRationItemByCondition = async function (condition, fields = null, indexBy = null) {
    let result = [];
    if (Object.keys(condition).length <= 0) {
        return result;
    }
    result = await rationItemModel.find(condition, fields).sort({code: 1});
    if (indexBy !== null && result.length > 0) {
        let tmpResult = {};
        for(let tmp of result) {
            tmpResult[tmp[indexBy]] = tmp;
        }
        result = tmpResult;
    }
    return result;
};

/**
 * 从excel中批量新增数据
 *
 * @param {Number} rationRepId
 * @param {Array} data
 * @return {bool}
 */
rationItemDAO.prototype.batchAddFromExcel = async function(rationRepId, data) {
    if (data.length <= 0) {
        return false;
    }
    // 获取定额库相关数据
    const rationRepository = await rationRepositoryDao.getRepositoryById(rationRepId);
    if (rationRepository.length !== 1 || rationRepository[0].gljLib === undefined) {
        return false;
    }
    // 获取标准工料机库数据
    const stdBillsLibListsModel = new STDGLJListModel();
    const stdGLJData = await stdBillsLibListsModel.getGljItemsByRep(rationRepository[0].gljLib);
    // 整理标准工料机库数据
    let stdGLJList = {};
    for (const tmp of stdGLJData) {
        stdGLJList[tmp.code.toString()] = tmp.ID;
    }
    let lastData = {};
    const rationData = [];
    // 编码列表，用于查找库中是否有对应数据
    let rationCodeList = [];
    let gljCodeList = [];
    // 插入失败的工料机列表(用于提示)
    this.failGLJList = [];
    for (const tmp of data) {
        if (tmp.length <= 0) {
            continue;
        }
        // 如果第一个字段为null则是工料机数据，放入上一个数据的工料机字段
        if (tmp[0] === undefined && Object.keys(lastData).length > 0) {
            // 如果不存在对应的工料机库数据则跳过
            if (stdGLJList[tmp[1]] === undefined) {
                const failString = '定额' + lastData.code + '下的' + tmp[1];
                this.failGLJList.push(failString);
                continue;
            }
            const tmpRationGlj = {
                gljId: stdGLJList[tmp[1]],
                consumeAmt: tmp[4],
                proportion: 0,
            };
            lastData.rationGljList.push(tmpRationGlj);
            if (gljCodeList.indexOf(tmp[1]) < 0) {
                gljCodeList.push(tmp[1]);
            }
            continue;
        }

        if (tmp[0] === '定额' && Object.keys(lastData).length > 0) {
            rationData.push(lastData);
        }

        // 组装数据
        lastData = {
            code: tmp[1],
            name: tmp[2],
            unit: tmp[3],
            caption: tmp[2],
            rationRepId: rationRepId,
            sectionId: 0,
            rationGljList: []
        };
        // 防止重复加入
        if (rationCodeList.indexOf(tmp[1]) < 0) {
            rationCodeList.push(tmp[1]);
        }
    }
    // 最后一个入数组
    rationData.push(lastData);

    // 查找数据库中是否已存在待插入数据
    const condition = {
        rationRepId: rationRepId,
        code: { $in: rationCodeList }
    };
    const existCodeList = await this.getRationItemByCondition(condition, ['code'], 'code');
    // 过滤插入数据
    let insertData = [];
    for (const ration of rationData) {
        if (existCodeList[ration.code] !== undefined) {
            continue;
        }
        insertData.push(ration);
    }
    // 如果都已经存在，直接返回
    if (insertData.length <= 0) {
        return true;
    }
    // 组织id
    const counterInfo = await counter.counterDAO.getIDAfterCount(counter.moduleName.rations, insertData.length);
    let maxId = counterInfo.value.sequence_value;
    maxId = parseInt(maxId);

    let count = 0;
    for (const index in insertData) {
        insertData[index].ID = maxId - (insertData.length - 1) + count;
        count++;
    }
    // 插入数据库
    const result = await rationItemModel.create(insertData);
    return result.length > 0;
};

/**
 * 导出到excel的数据
 *
 * @param {Number} rationRepId
 * @return {Array}
 */
rationItemDAO.prototype.exportExcelData = async function(rationRepId) {
    const condition = {
        rationRepId: rationRepId
    };
    // @todo 限制导出的数量以防内存溢出
    const rationDataList = await this.getRationItemByCondition(condition, ['name', 'code', 'ID', 'sectionId', 'feeType']);

    // 整理数据
    let rationData = [];
    for (const tmp of rationDataList) {
        const sectionId = tmp.sectionId <= 0 || tmp.sectionId === undefined ? null : tmp.sectionId;
        const feeType = tmp.feeType === '' || tmp.feeType === undefined ? null : tmp.feeType;
        const ration = [sectionId, feeType, tmp.ID, tmp.code, tmp.name];
        rationData.push(ration);
    }
    const excelData = [['树ID', '取费专业', '定额ID', '定额编码', '定额名']];
    excelData.push.apply(excelData, rationData);

    return excelData;
};

/**
 * 批量更改章节id
 *
 * @param {Object} data
 * @return {bool}
 */
rationItemDAO.prototype.batchUpdateSectionIdFromExcel = async function(data) {
    if (data.length <= 0) {
        return false;
    }
    // 批量执行update
    const bulk = rationItemModel.collection.initializeOrderedBulkOp();
    for (const tmp of data) {
        let rationId = parseInt(tmp[2]);
        rationId = isNaN(rationId) || rationId <= 0 ? 0 : rationId;
        let sectionId = parseInt(tmp[0]);
        sectionId = isNaN(sectionId) || sectionId <= 0 ? 0 : sectionId;
        // 取费专业
        let feeType = parseInt(tmp[1]);
        feeType = isNaN(feeType) || feeType <= 0 ? 0 : feeType;
        if (sectionId <= 0 || rationId <= 0 || feeType <= 0) {
            continue;
        }

        bulk.find({"ID": rationId}).update({$set: { sectionId: sectionId, feeType: feeType }});
    }

    const result = await bulk.execute();
    return result.isOk();
};

module.exports = new rationItemDAO();