'use strict';

/**
 * 调差清单关联工料表 数据模型
 *
 * @author Mai
 * @date 2018/8/13
 * @version
 */

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

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

        /**
         * 添加工料清单关联
         * @return {void}
         */
        async add(data) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const list = [];
            for (const mb of data.mb_id) {
                const newLists = {
                    tid: this.ctx.tender.id,
                    mid: this.ctx.material.id,
                    mb_id: mb,
                    gcl_id: data.gcl_id,
                    xmj_id: data.xmj_id,
                    mx_id: data.mx_id,
                    in_time: new Date(),
                };
                list.push(newLists);
            }

            // 新增工料
            const result = await this.db.insert(this.tableName, list);
            if (result.affectedRows === 0) {
                throw '新增工料数据失败';
            }
            return await this.getMaterialData(this.ctx.tender.id);
        }

        /**
         * 删除工料清单关联
         * @param {int} id 工料id
         * @return {void}
         */
        async del(id) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            // 判断是否可删
            return await this.deleteById(id);
        }

        /**
         * 修改工料清单关联信息
         * @param {Object} data 工料内容
         * @return {void}
         */
        async save(data) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            // 判断是否可修改
            return await this.db.update(this.tableName, data);
        }

        /**
         * 应用工料清单到其它清单中
         * @return {void}
         */
        async addOther(data) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const list = [];
            const select = data.select;
            for (const mb of data.mx_id) {
                const newLists = {
                    tid: this.ctx.tender.id,
                    mid: this.ctx.material.id,
                    mb_id: select.mb_id,
                    gcl_id: select.gcl_id,
                    xmj_id: select.xmj_id,
                    mx_id: mb,
                    quantity: select.quantity,
                    in_time: new Date(),
                };
                list.push(newLists);
            }

            // 新增工料
            const result = await this.db.insert(this.tableName, list);
            if (result.affectedRows === 0) {
                throw '新增工料数据失败';
            }
            return await this.getMaterialData(this.ctx.tender.id);
        }

        /**
         * 获取工料清单关联表
         * @param {int} tid 标段id
         * @return {void}
         */
        async getMaterialData(tid) {
            const sql = 'SELECT ml.`id`, mb.`code`, mb.`name`, mb.`unit`, ml.`quantity`, ml.`mb_id`, ml.`gcl_id`, ml.`xmj_id`, ml.`mx_id`, ml.`tid`, ml.`mid`' +
                ' FROM ' + this.tableName + ' as ml' +
                ' LEFT JOIN ' + this.ctx.service.materialBills.tableName + ' as mb' +
                ' ON ml.`mb_id` = mb.`id`' +
                ' WHERE ml.`tid` = ?';
            const sqlParam = [tid];
            return await this.db.query(sql, sqlParam);
        }
    }
    return MaterialList;
};