'use strict';

/**
 * 不参与调差-清单关联表 数据模型
 *
 * @author Mai
 * @date 2018/8/13
 * @version
 */


module.exports = app => {
    class MaterialListNotJoin 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_notjoin';
        }

        /**
         * 添加不参与调差的清单
         * @return {void}
         */
        async add(data) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const transaction = await this.db.beginTransaction();
            try {
                const newListNotJoin = {
                    tid: this.ctx.tender.id,
                    mid: this.ctx.material.id,
                    gcl_id: data.gcl_id,
                    xmj_id: data.id,
                    mx_id: data.mx_id ? data.mx_id : '',
                    in_time: new Date(),
                };
                data.xmj_id = data.id;
                data.mx_id = data.mx_id ? data.mx_id : '';
                await this.updateAllMaterials(transaction, data, 'add');
                // 新增不参与调差清单
                const result = await transaction.insert(this.tableName, newListNotJoin);
                if (result.affectedRows === 0) {
                    throw '新增不参与调差清单数据失败';
                }
                await transaction.commit();
                return await this.getDataById(result.insertId);
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 删除不参与调差的清单
         * @param {int} id 工料id
         * @return {void}
         */
        async del(id) {
            if (!this.ctx.tender || !this.ctx.material) {
                throw '数据错误';
            }
            const transaction = await this.db.beginTransaction();
            try {
                const notJoinInfo = await this.getDataById(id);
                await this.updateAllMaterials(transaction, notJoinInfo, 'del');
                // 判断是否可删
                const result = await transaction.delete(this.tableName, { id });
                await transaction.commit();
                return result;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 修改调差list和bill和material对应值
         * @param transaction
         * @returns {Promise<void>}
         */
        async updateAllMaterials(transaction, data, type) {
            // 先判断material_list是否存在值并quantity不为null
            const searchSql = {
                mid: this.ctx.material.id,
                gcl_id: data.gcl_id,
                xmj_id: data.xmj_id,
                mx_id: data.mx_id,
            };
            // if (data.mx_id !== '') {
            //     searchSql.mx_id = data.mx_id;
            // }
            const materialListData = await this.ctx.service.materialList.getAllDataByCondition({
                where: searchSql,
            });
            // console.log(data);
            // console.log(materialListData);
            if (materialListData && materialListData.length !== 0) {
                // 对应修改更新本期应耗数量值和总的本期金额计算
                const mbIdList = [];
                for (const ml of materialListData) {
                    const updateData = {
                        id: ml.id,
                        is_join: type === 'add' ? 0 : 1,
                    };
                    if (mbIdList.indexOf(ml.mb_id) === -1) {
                        mbIdList.push(ml.mb_id);
                    }
                    await transaction.update(this.ctx.service.materialList.tableName, updateData);
                }
                // 重新计算金额
                for (const mb_id of mbIdList) {
                    await this.service.materialList.calcQuantityByML(transaction, mb_id);
                }
            }
        }

        /**
         * 复制上一期不参与调差的清单到下一期中
         * @param {Object} transaction - 新增一期的事务
         * @param {Object} list 上期清单
         * @param {int} mid 工料id
         * @return {void}
         */
        async copyNewStageNotJoinList(transaction, list, mid) {
            if (!this.ctx.tender) {
                throw '数据错误';
            }
            const notJoinlist = [];
            for (const mb of list) {
                const newLists = {
                    tid: mb.tid,
                    mid,
                    gcl_id: mb.gcl_id,
                    xmj_id: mb.xmj_id,
                    mx_id: mb.mx_id,
                    in_time: new Date(),
                };
                notJoinlist.push(newLists);
            }
            // 复制上一期不参与调差的清单
            return notJoinlist.length > 0 ? await transaction.insert(this.tableName, notJoinlist) : true;
        }
    }
    return MaterialListNotJoin;
};