/**
 * 计价规则标准库业务逻辑
 *
 * @author CaiAoLin
 * @date 2017/8/31
 * @version
 */
import BaseModel from "../../common/base/base_model";
import EngineeringLibSchema from "./schemas/engineering_lib";
import CompilationModel from "./compilation_model";
import {default as EngineeringConst, List as EngineeringList} from "../../common/const/engineering";

class EngineeringLibModel extends BaseModel {
    /**
     * 构造函数
     *
     * @return {void}
     */
    constructor() {
        let parent = super();
        parent.model = EngineeringLibSchema;
        parent.init();
    }

    /**
     * 获取标准库数据
     *
     * @param {Object} data
     * @param {Number} engineering
     * @return {Promise}
     */
    async getLib(data, engineering) {
        let result = {};
        if (data.length <= 0) {
            return result;
        }
        let id = '';
        for(let tmp of data) {
            if (tmp.engineering === engineering) {
                id = tmp.engineering_id;
                break;
            }
        }
        if (id === '') {
            return result;
        }
        let condition = {_id: id};
        return this.findDataByCondition(condition);
    }

    /**
     * 新增标准库
     *
     * @param {String} valuationId
     * @param {Object} data
     * @return {Promise}
     */
    async addLib(valuationId, data) {
        if (data.main_tree_col) {
            data.main_tree_col = JSON.parse(data.main_tree_col);
        } else {
            delete data['main_tree_col'];
        }

        let result = false;
        data = this.filterLibData(data);
        try {
            // 查找计价规则表中是否有对应工程专业标准库的数据
            let compilationModel = new CompilationModel();
            let engineeringLib = await compilationModel.getEngineeringLib(valuationId, data.section, data.engineering);

            if (engineeringLib === null) {
                // 不存在则插入
                result = await this.db.create(data);
            } else {
                delete data.id;
                delete data.section;
                delete data.engineering;
                // 存在则直接更新
                let condition = {_id: engineeringLib.engineering_id};
                result = await this.db.update(condition, data);
                result = result.ok === 1;
            }
            // 失败直接返回
            if (!result) {
                throw '操作失败';
            }

            // 新增后更新编办数据表中专业工程字段
            if (result && engineeringLib === null) {
                let insertData = {
                    engineering: data.engineering,
                    engineering_id: result._id
                };
                let updateResult = await compilationModel.addEngineeringLib(valuationId, data.section, insertData);
                if (!updateResult) {
                    throw '新增编办数据中的专业工程失败!';
                }
            }

        } catch (error) {
            console.log(error);
            result = false;
        }

        return result;
    }

    /**
     * 过滤计价数据
     *
     * @param {Object} data
     * @return {Object}
     */
    filterLibData(data) {
        if (Object.keys(data).length <= 0 || data.section === undefined) {
            console.log('1');
            throw '数据有误';
        }
        // 检测专业工程是否合法
        data.engineering = parseInt(data.engineering);
        let match = false;
        for(let index in EngineeringConst) {
            if (EngineeringConst[index] === data.engineering) {
                match = true;
                break;
            }
        }
        if (!match) {
            throw '工程专业错误';
        }

        // 判断标准清单
        data.bill_lib = this._validLib(data.bill_lib);

        // 判断定额库
        data.ration_lib = this._validLib(data.ration_lib);

        // 判断工料机库
        data.glj_lib = this._validLib(data.glj_lib);

        // 判断费率标准
        data.fee_lib = this._validLib(data.fee_lib);

        // 判断人工系数
        data.artificial_lib = this._validLib(data.artificial_lib);

        return data;
    }

    /**
     * 校验库数据
     *
     * @param {Object} libData
     * @return {Object}
     */
    _validLib(libData) {
        let result = [];
        // 判断标准库
        if (libData === undefined || libData === '') {
            throw '标准库不能为空';
        }
        libData = libData instanceof Array ? libData : [libData];
        for(let tmp in libData) {
            result[tmp] = JSON.parse(libData[tmp]);
        }
        return result;
    }

    /**
     * 获取对应标准库数量
     *
     * @param {Object} valuationData
     * @return {Object}
     */
    async getLibCount(valuationData) {
        let result = {};
        if (valuationData.engineering_list === undefined || valuationData.engineering_list.length <= 0) {
            return result;
        }

        // 整理需要查找的数据
        let findIdList = [];
        for(let engineering of valuationData.engineering_list) {
            findIdList.push(engineering.engineering_id);
        }

        let condition = {_id: {$in: findIdList}};
        let libData = await this.findDataByCondition(condition, null, false);
        if (libData === null) {
            return result;
        }

        // 整理数据
        let countData = {};
        for(let tmp of libData) {
            countData[tmp._id] = {
                bill_count: tmp.bill_lib.length,
                ration_count: tmp.ration_lib.length,
                glj_count: tmp.glj_lib.length,
                fee_count: tmp.fee_lib.length,
                artificial_count: tmp.artificial_lib.length,
            };
        }


        for(let engineering of valuationData.engineering_list) {
            if (countData[engineering.engineering_id] !== undefined) {
                result[engineering.engineering] = countData[engineering.engineering_id];
            }
        }

        return result;
    }

}

export default EngineeringLibModel;