'use strict';

/**
 * 附属工程量（ancillary gcl）
 *
 * @author Mai
 * @date
 * @version
 */

module.exports = app => {

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

        async _addDatas(data) {
            const qtyDecimal = this.ctx.tender.info.decimal.qty;
            const user_id = this.ctx.session.sessionUser.accountId;

            const datas = data instanceof Array ? data : [data];
            const insertData = [];
            for (const d of datas) {
                if (!d.lid || !d.g_order) throw '新增其他数据，提交的数据错误';
                const nd = {
                    id: this.uuid.v4(), tid: this.ctx.tender.id,
                    add_user_id: user_id, update_user_id: user_id,
                    lid: d.lid, g_order: d.g_order,
                };
                if (d.is_aux !== undefined) nd.is_aux = d.is_aux;
                if (d.name) nd.name = d.name || '';
                if (d.unit) nd.unit = d.unit || '';
                if (d.quantity) nd.quantity = this.ctx.helper.round(d.quantity || 0, qtyDecimal);
                if (d.expr) nd.expr = d.expr || '';
                if (d.drawing_code !== undefined) nd.drawing_code = d.drawing_code;
                if (d.memo) nd.memo = d.memo || '';
                insertData.push(nd);
            }
            await this.db.insert(this.tableName, insertData);
            return await this.getAllDataByCondition({
                where: { id: this.ctx.helper._.map(insertData, 'id') }
            });
        }

        async _delDatas (data) {
            if (!data || data.length === 0) throw '提交数据错误';
            const orgDatas = await this.getAllDataByCondition({ where: { id: data } });

            if (!orgDatas || orgDatas.length === 0) throw '删除的辅助工程量不存在';

            const bills = await this.ctx.service.ledger.getDataById(orgDatas[0].lid);
            let billsAnc = await this.getAllDataByCondition({ where: { tid: bills.tid, lid: bills.id } });

            billsAnc = billsAnc.filter(ba => {
                return data.indexOf(ba.id) < 0;
            });
            billsAnc.sort((x, y) => { return x.g_order - y.g_order; });

            const updateData = [];
            billsAnc.forEach((x, i) => {
                if (x.g_order !== i + 1) updateData.push({ id: x.id, g_order: i + 1});
            });

            const conn = await this.db.beginTransaction();
            try {
                await conn.delete(this.tableName, { id: data });
                if (updateData.length > 0) await conn.updateRows(this.tableName, updateData);
                await conn.commit();
                return [data, updateData];
            } catch (err) {
                await conn.rollback();
                throw err;
            }
        }

        async _updateDatas (data) {
            if (!data || data.length === 0) throw '提交数据错误';
            const qtyDecimal = this.ctx.tender.info.decimal.qty;
            const user_id = this.ctx.session.sessionUser.accountId;

            const datas = data instanceof Array ? data : [data];
            const orgDatas = await this.getAllDataByCondition({
                where: { id: this.ctx.helper._.map(datas, 'id') }
            });
            if (!orgDatas || orgDatas.length === 0) throw '修改的辅助工程量不存在';

            const uDatas = [];
            for (const d of datas) {
                const od = orgDatas.find(x => { return x.id === d.id; });
                if (!od) continue;

                const nd = { id: od.id, update_user_id: user_id };
                if (d.is_aux !== undefined) nd.is_aux = d.is_aux;
                if (d.name !== undefined) nd.name = d.name;
                if (d.g_order !== undefined) nd.g_order = d.g_order;
                if (d.unit !== undefined) nd.unit = d.unit;
                if (d.quantity !== undefined) nd.quantity = this.ctx.helper.round(d.quantity, qtyDecimal);
                if (d.expr !== undefined) nd.expr = d.expr || '';
                if (d.drawing_code !== undefined) nd.drawing_code = d.drawing_code;
                if (d.memo !== undefined) nd.memo = d.memo || '';
                uDatas.push(nd);
            }
            if (uDatas.length > 0) {
                await this.db.updateRows(this.tableName, uDatas);
                return uDatas;
            } else {
                return [];
            }
        }

        async updateDatas(data) {
            const result = {add: [], del: [], update: []};
            try {
                if (data.add) {
                    result.add = await this._addDatas(data.add);
                }
                if (data.update) {
                    result.update = await this._updateDatas(data.update);
                }
                if (data.del) {
                    [result.del, result.update] = await this._delDatas(data.del);
                }
                return result;
            } catch (err) {
                if (err.stack) {
                    throw err;
                } else {
                    result.err = err.toString();
                    return result;
                }
            }
        }

        async deletePartData(transaction, tid, lid) {
            await transaction.delete(this.tableName, { tid: tid, lid: lid });
        }
    }

    return AncillaryGcl;
};