'use strict';

/**
 * 期计量 数据模型
 *
 * @author Mai
 * @date 2018/8/13
 * @version
 */

const auditConst = require('../const/audit').material;
const materialConst = require('../const/material');
const MaterialCalculator = require('../lib/material_calc');

module.exports = app => {
    class MaterialMonth extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'material_month';
        }

        /**
         * 返回月信息价列表
         * @return {void}
         */
        async getListByMid(mid, transaction = null) {
            return transaction ? await transaction.select(this.tableName, { where: { mid } }) : await this.getAllDataByCondition({ where: { mid } });
        }

        /**
         * 添加月信息价 并更新 工料平均单价、本期单价，调差金额等
         * @return {void}
         */
        async add(data, monthList, mbList) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const transaction = await this.db.beginTransaction();
            try {
                const material_month = this.ctx.material.months ? this.ctx.material.months.split(',') : [];
                material_month.push(data.yearmonth);
                material_month.sort();
                if (mbList.length !== 0) {
                    const insertArray = [];
                    const updateArray = [];
                    for (const mb of mbList) {
                        const one_month = {
                            tid: this.ctx.tender.id,
                            mid: this.ctx.material.id,
                            mb_id: mb.id,
                            msg_tp: monthList.length !== 0 ? null : mb.msg_tp,
                            yearmonth: data.yearmonth,
                        };
                        insertArray.push(one_month);
                        if (monthList.length !== 0) {
                            const mb_msg_tp_sum = this._.sumBy(this._.filter(monthList, { mb_id: mb.id }), 'msg_tp');
                            const month_num = material_month.length - this.ctx.helper.arrayCount(this._.concat(this._.map(this._.filter(monthList, { mb_id: mb.id }), 'msg_tp'), one_month.msg_tp), [null, '', 0]);
                            const new_msg_tp = this.ctx.helper.round(this.ctx.helper.div(this.ctx.helper.add(mb_msg_tp_sum, one_month.msg_tp), month_num), this.ctx.material.decimal.up);
                            const [newmsg_spread, newm_spread] = await this.ctx.service.materialBills.getSpread(mb, new_msg_tp);
                            const newTp = this.ctx.helper.round(this.ctx.helper.mul(mb.quantity, newm_spread), this.ctx.material.decimal.tp);
                            updateArray.push({
                                id: mb.id,
                                msg_tp: new_msg_tp,
                                msg_spread: newmsg_spread,
                                m_spread: newm_spread,
                                m_tp: newTp,
                                m_tax_tp: this.ctx.helper.round(this.ctx.helper.mul(newTp, (1 + this.ctx.helper.div(mb.m_tax, 100))), this.ctx.material.decimal.tp),
                            });
                        }
                    }
                    if (insertArray.length !== 0) await transaction.insert(this.tableName, insertArray);
                    if (updateArray.length !== 0) await transaction.updateRows(this.ctx.service.materialBills.tableName, updateArray);
                }
                await transaction.update(this.ctx.service.material.tableName, { id: this.ctx.material.id, months: material_month.join(',') });
                const m_tp = await this.ctx.service.materialBills.calcMaterialMTp(transaction);
                await transaction.commit();
                this.ctx.material.months = material_month.join(',');
                return m_tp;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 删除月信息价 并更新 工料平均单价、本期单价，调差金额等
         * @return {void}
         */
        async del(data, monthList, mbList) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const transaction = await this.db.beginTransaction();
            try {
                const material_month = this.ctx.material.months ? this.ctx.material.months.split(',') : [];
                this._.remove(material_month, function(n) {
                    return data.indexOf(n) !== -1;
                });
                await transaction.delete(this.tableName, { mid: this.ctx.material.id, yearmonth: data });
                if (mbList.length !== 0) {
                    const updateArray = [];
                    for (const mb of mbList) {
                        this._.remove(monthList, function(m) {
                            return data.indexOf(m.yearmonth) !== -1;
                        });
                        const mb_msg_tp_sum = this._.sumBy(this._.filter(monthList, { mb_id: mb.id }), 'msg_tp');
                        const month_num = material_month.length - this.ctx.helper.arrayCount(this._.map(this._.filter(monthList, { mb_id: mb.id }), 'msg_tp'), [null, '', 0]);
                        const new_msg_tp = month_num !== 0 ? this.ctx.helper.round(this.ctx.helper.div(mb_msg_tp_sum, month_num), this.ctx.material.decimal.up) : null;
                        const [newmsg_spread, newm_spread] = await this.ctx.service.materialBills.getSpread(mb, new_msg_tp);
                        const newTp = this.ctx.helper.round(this.ctx.helper.mul(mb.quantity, newm_spread), this.ctx.material.decimal.tp);
                        updateArray.push({
                            id: mb.id,
                            msg_tp: new_msg_tp,
                            msg_spread: newmsg_spread,
                            m_spread: newm_spread,
                            m_tp: newTp,
                            m_tax_tp: this.ctx.helper.round(this.ctx.helper.mul(newTp, (1 + this.ctx.helper.div(mb.m_tax, 100))), this.ctx.material.decimal.tp),
                        });
                    }
                    if (updateArray.length !== 0) await transaction.updateRows(this.ctx.service.materialBills.tableName, updateArray);
                }
                await transaction.update(this.ctx.service.material.tableName, { id: this.ctx.material.id, months: material_month.join(',') });
                const m_tp = await this.ctx.service.materialBills.calcMaterialMTp(transaction);
                await transaction.commit();
                this.ctx.material.months = material_month.join(',');
                return m_tp;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 修改月信息价值 并更新 本期单价，调差金额等
         * @return {void}
         */
        async save(data) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const transaction = await this.db.beginTransaction();
            try {
                const material_month = this.ctx.material.months ? this.ctx.material.months.split(',') : [];
                await transaction.update(this.tableName, { msg_tp: data.value }, { where: { mb_id: data.mb_id, yearmonth: data.yearmonth, mid: this.ctx.material.id } });
                const monthList = await transaction.select(this.tableName, { where: { mb_id: data.mb_id, mid: this.ctx.material.id } });
                const mbInfo = await transaction.get(this.ctx.service.materialBills.tableName, { id: data.mb_id });
                if (monthList.length !== 0) {
                    const mb_msg_tp_sum = this._.sumBy(monthList, 'msg_tp');
                    const month_num = material_month.length - this.ctx.helper.arrayCount(this._.map(monthList, 'msg_tp'), [null, '', 0]);
                    const new_msg_tp = month_num !== 0 ? this.ctx.helper.round(this.ctx.helper.div(mb_msg_tp_sum, month_num), this.ctx.material.decimal.up) : null;
                    const [newmsg_spread, newm_spread] = await this.ctx.service.materialBills.getSpread(mbInfo, new_msg_tp);
                    const newTp = this.ctx.helper.round(this.ctx.helper.mul(mbInfo.quantity, newm_spread), this.ctx.material.decimal.tp);
                    await transaction.update(this.ctx.service.materialBills.tableName, {
                        id: mbInfo.id,
                        msg_tp: new_msg_tp,
                        msg_spread: newmsg_spread,
                        m_spread: newm_spread,
                        m_tp: newTp,
                        m_tax_tp: this.ctx.helper.round(this.ctx.helper.mul(newTp, (1 + this.ctx.helper.div(mbInfo.m_tax, 100))), this.ctx.material.decimal.tp),
                    });
                }
                const m_tp = await this.ctx.service.materialBills.calcMaterialMTp(transaction);
                await transaction.commit();
                return m_tp;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 修改多个月信息价值 并更新 本期单价，调差金额等
         * @return {void}
         */
        async saveDatas(datas, mbList) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const transaction = await this.db.beginTransaction();
            try {
                const material_month = this.ctx.material.months ? this.ctx.material.months.split(',') : [];
                const updateArray = [];
                for (const data of datas) {
                    for (const m of material_month) {
                        const one_update = {
                            row: {
                                msg_tp: data[m],
                            },
                            where: {
                                mb_id: data.mb_id,
                                yearmonth: m,
                            },
                        };
                        updateArray.push(one_update);
                    }
                }
                await transaction.updateRows(this.tableName, updateArray);
                const monthList = await transaction.select(this.tableName, { where: { mid: this.ctx.material.id } });
                if (mbList.length !== 0) {
                    const mbUpdateArray = [];
                    for (const mb of mbList) {
                        const mb_msg_tp_sum = this._.sumBy(this._.filter(monthList, { mb_id: mb.id }), 'msg_tp');
                        const month_num = material_month.length - this.ctx.helper.arrayCount(this._.map(this._.filter(monthList, { mb_id: mb.id }), 'msg_tp'), [null, '', 0]);
                        const new_msg_tp = month_num !== 0 ? this.ctx.helper.round(this.ctx.helper.div(mb_msg_tp_sum, month_num), this.ctx.material.decimal.up) : null;
                        const [newmsg_spread, newm_spread] = await this.ctx.service.materialBills.getSpread(mb, new_msg_tp);
                        const newTp = this.ctx.helper.round(this.ctx.helper.mul(mb.quantity, newm_spread), this.ctx.material.decimal.tp);
                        mbUpdateArray.push({
                            id: mb.id,
                            msg_tp: new_msg_tp,
                            msg_spread: newmsg_spread,
                            m_spread: newm_spread,
                            m_tp: newTp,
                            m_tax_tp: this.ctx.helper.round(this.ctx.helper.mul(newTp, (1 + this.ctx.helper.div(mb.m_tax, 100))), this.ctx.material.decimal.tp),
                        });
                    }
                    if (mbUpdateArray.length !== 0) await transaction.updateRows(this.ctx.service.materialBills.tableName, mbUpdateArray);
                }
                const m_tp = await this.ctx.service.materialBills.calcMaterialMTp(transaction);
                await transaction.commit();
                return m_tp;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async getMonthList(materialBillsData, transaction = null) {
            // 取月信息价表
            const monthsList = [];
            if (this.ctx.material.months) {
                const material_month = this.ctx.material.months.split(',');
                material_month.sort();
                const materialMonthList = await this.getListByMid(this.ctx.material.id, transaction);
                for (const mbd of materialBillsData) {
                    const one_mb = {
                        code: mbd.code,
                        name: mbd.name,
                        unit: mbd.unit,
                        origin: mbd.origin,
                        mb_id: mbd.id,
                        order: mbd.order,
                    };
                    for (const m of material_month) {
                        const mb_id = this.ctx.material.highOrder !== this.ctx.material.order ? mbd.mb_id : mbd.id;
                        const one_mm = this._.find(materialMonthList, { mb_id, yearmonth: m });
                        one_mb[m] = one_mm.msg_tp;
                    }
                    monthsList.push(one_mb);
                }
            }
            return monthsList;
        }
    }

    return MaterialMonth;
};