'use strict';

/**
 *
 *
 * @author Mai
 * @date 2018/8/14
 * @version
 */

const audit = require('../const/audit');

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

        /**
         * 添加空白变更清单
         * @return {void}
         */
        async add(data) {
            if (!this.ctx.tender || !this.ctx.change) {
                throw '数据错误';
            }
            const insertData = {
                tid: this.ctx.tender.id,
                cid: this.ctx.change.cid,
                lid: '0',
                code: '',
                name: '',
                bwmx: '',
                unit: '',
                unit_price: null,
                oamount: 0,
                camount: 0,
                samount: '',
                detail: '',
                spamount: 0,
                xmj_code: null,
                xmj_jldy: null,
                gcl_id: '0',
            };
            // 新增工料
            const result = await this.db.insert(this.tableName, insertData);
            if (result.affectedRows === 0) {
                throw '新增空白清单数据失败';
            }
            return await this.getDataById(result.insertId);
        }

        /**
         * 删除变更清单
         * @param {int} id 清单id
         * @return {void}
         */
        async del(id) {
            if (!this.ctx.tender || !this.ctx.change) {
                throw '数据错误';
            }
            const transaction = await this.db.beginTransaction();
            try {
                // 判断是否可删
                await transaction.delete(this.tableName, { id });
                // 重新算变更令总额
                // await this.calcQuantityByML(transaction, mb_id);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 修改变更清单
         * @param {Object} data 工料内容
         * @param {int} order 期数
         * @return {void}
         */
        async save(data, order) {
            if (!this.ctx.tender || !this.ctx.change) {
                throw '数据错误';
            }

            const transaction = await this.db.beginTransaction();
            try {
                // const mb_id = data.mb_id;
                // delete data.mb_id;
                await transaction.update(this.tableName, data);
                // await this.calcQuantityByML(transaction, mb_id);
                await this.calcCamountSum(transaction);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 修改变更清单 复制粘贴
         * @param {Object} datas 修改内容
         * @return {void}
         */
        async saveDatas(datas) {
            if (!this.ctx.tender || !this.ctx.change) {
                throw '数据错误';
            }
            // 判断是否可修改
            // 判断t_type是否为费用
            const transaction = await this.db.beginTransaction();
            try {
                // for (const data of datas) {
                //     const mb_id = data.mb_id;
                //     delete data.mb_id;
                //     await transaction.update(this.tableName, data);
                //     await this.calcQuantityByML(transaction, mb_id);
                // }
                await transaction.updateRows(this.tableName, datas);
                await this.calcCamountSum(transaction);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 台账数据清单 重新选择
         * @param {Object} datas 内容
         * @return {void}
         */
        async saveLedgerListDatas(datas) {
            if (!this.ctx.tender || !this.ctx.change) {
                throw '数据错误';
            }
            // 判断是否可修改
            // 判断t_type是否为费用
            const transaction = await this.db.beginTransaction();
            try {
                // 先删除原本的台账清单数据
                const sql = 'DELETE FROM ?? WHERE cid = ? and lid != "0"';
                const sqlParam = [this.tableName, this.ctx.change.cid];
                await transaction.query(sql, sqlParam);
                const insertDatas = [];
                for (const data of datas) {
                    data.tid = this.ctx.tender.id;
                    data.cid = this.ctx.change.cid;
                    data.spamount = data.camount;
                    data.samount = '';
                    insertDatas.push(data);
                }
                if (insertDatas.length > 0) await transaction.insert(this.tableName, insertDatas);
                await this.calcCamountSum(transaction);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async calcCamountSum(transaction) {
            // const sql = 'SELECT SUM(ROUND(`camount`*`unit_price`, )) as total_price FROM ?? WHERE cid = ?';
            // const sqlParam = [this.tableName, this.change.cid];
            // const tp = await transaction.queryOne(sql, sqlParam);
            // 防止小数位不精确，采用取值计算
            const sql = 'SELECT unit_price, spamount FROM ?? WHERE cid = ?';
            const sqlParam = [this.tableName, this.ctx.change.cid];
            const changeList = await transaction.query(sql, sqlParam);
            let total_price = 0;
            for (const cl of changeList) {
                total_price = this.ctx.helper.accAdd(total_price, this.ctx.helper.mul(cl.unit_price, cl.spamount, this.ctx.tender.info.decimal.tp));
            }
            const updateData = {
                total_price,
            };
            const options = {
                where: {
                    cid: this.ctx.change.cid,
                },
            };
            await transaction.update(this.ctx.service.change.tableName, updateData, options);
        }

        async gatherBgBills(tid) {
            const sql = 'SELECT cb.code, cb.name, cb.unit, cb.unit_price, Round(Sum(cb.samount + 0), 6) as quantity' +
                '  FROM ' + this.tableName + ' cb' +
                '  LEFT JOIN ' + this.ctx.service.change.tableName + ' c ON cb.cid = c.cid' +
                '  WHERE cb.tid = ? and c.status = ?' +
                '  GROUP BY code, name, unit, unit_price';
            const param = [tid, audit.flow.status.checked];
            const result = await this.db.query(sql, param);
            for (const b of result) {
                b.total_price = this.ctx.helper.mul(b.unit_price, b.quantity, this.ctx.tender.info.decimal.tp);
            }
            return result;
        }

        /**
         * 报表用
         * Tony Kang
         * @param {tid} tid - 标段id
         * @return {void}
         */
        async getChangeAuditBills(tid) {
            const sql = 'SELECT cb.*' +
                '  FROM ' + this.tableName + ' cb' +
                '  LEFT JOIN ' + this.ctx.service.change.tableName + ' c ON cb.cid = c.cid' +
                '  WHERE c.tid = ? and c.status = 3' +
                '  ORDER BY cb.cid, cb.code';
            const param = [tid];
            const result = await this.db.query(sql, param);
            return result;
        }
    }

    return ChangeAuditList;
};