'use strict';

/**
 *
 *
 * @author Mai
 * @date
 * @version
 */

module.exports = app => {
    class ReviseBills extends app.BaseBillsService {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx, {
                mid: 'tender_id',
                kid: 'ledger_id',
                pid: 'ledger_pid',
                order: 'order',
                level: 'level',
                isLeaf: 'is_leaf',
                fullPath: 'full_path',
                keyPre: 'revise_bills_maxLid:',
                uuid: true,
            }, 'revisePos');
            this.depart = 10;
            this.tableName = 'revise_bills';
        }

        async _deleteRelaData (mid, deleteData) {
            await this.ctx.service.revisePos.deletePosData(this.transaction, mid, this._.map(deleteData, 'id'));
        }

        /**
         * 新增节点
         * @param {Number} tid - 台账id
         * @param {uuid} rid - 修订id
         * @param {Number} lid - 清单节点id
         * @returns {Promise<void>}
         */
        async addReviseNode(tid, rid, lid, count) {
            if (!rid) return null;
            return await this.addNodeBatch(tid, lid, {crid: rid, revise_calc: 1}, count);
        }

        /**
         * 批量插入子项
         * @param {uuid} rid - 修订id
         * @param {Number} lid - 节点id
         * @param {Object} data - 批量插入数据
         * @return {Promise<void>}
         */
        async batchInsertChild(tid, rid, lid, data) {
            const result = { ledger: {}, pos: null };
            if (!tid || !rid || !lid) return result;

            const select = await this.getDataByKid(tid, lid);
            if (!select) {
                throw '位置数据错误';
            }

            // 计算id和order
            const maxId = await this._getMaxLid(tid);
            const lastChild = await this.getLastChildData(tid, lid);
            const order = lastChild ? lastChild.order : 0;
            // 整理数据
            const bills = [], pos = [], newIds = [];
            for (let i = 0, iLen = data.length; i < iLen; i++) {
                // 合并新增数据
                const qd = {
                    crid: rid,
                    id: this.uuid.v4(),
                    tender_id: tid,
                    ledger_id: maxId + i + 1,
                    ledger_pid: select.ledger_id,
                    is_leaf: true,
                    order: order + i + 1,
                    level: select.level + 1,
                    b_code: data[i].b_code,
                    name: data[i].name,
                    unit: data[i].unit,
                    unit_price: data[i].price,
                    check_calc: 1,
                };

                const precision = this.ctx.helper.findPrecision(this.ctx.tender.info.precision, bills.unit);
                qd.sgfh_qty = 0;
                for (const p of data[i].pos) {
                    const inP = {
                        id: this.uuid.v4(), tid: tid, lid: qd.id, crid: rid,
                        add_stage: 0, add_times: 0, add_user: this.ctx.session.sessionUser.accountId,
                        name: p.name, drawing_code: p.drawing_code, porder: p.porder,
                    };
                    if (p.quantity) {
                        inP.sgfh_qty = this.round(p.quantity, precision.value);
                        inP.quantity = inP.sgfh_qty;
                    }
                    qd.sgfh_qty = this.ctx.helper.add(qd.sgfh_qty, inP.sgfh_qty);
                    pos.push(inP);
                }
                qd.full_path = select.full_path + '-' + qd.ledger_id;
                qd.sgfh_tp = this.ctx.helper.mul(qd.sgfh_qty, qd.unit_price, this.ctx.tender.info.decimal.tp);
                qd.quantity = qd.sgfh_qty;
                qd.total_price = qd.sgfh_tp;
                bills.push(qd);
                newIds.push(qd.id);
            }

            this.transaction = await this.db.beginTransaction();
            try {
                // 更新父项isLeaf
                if (!lastChild) {
                    await this.transaction.update(this.tableName, {
                        id: select.id,
                        is_leaf: false,
                        unit_price: null,
                        quantity: null,
                        total_price: null,
                        deal_qty: null,
                        deal_tp: null,
                    });
                }
                // 数据库创建新增节点数据
                await this.transaction.insert(this.tableName, bills);
                if (pos.length > 0) {
                    await this.transaction.insert(this.ctx.service.revisePos.tableName, pos);
                }
                this._cacheMaxLid(tid, maxId + data.length);
                await this.transaction.commit();
            } catch (err) {
                await this.transaction.rollback();
                throw err;
            }

            // 查询应返回的结果
            result.ledger.create = await this.getDataById(newIds);
            if (!lastChild) {
                result.ledger.update = await this.getDataById(select.id);
            }
            result.pos = await this.ctx.service.revisePos.getDataByLid(tid, newIds);
            return result;
        }

        /**
         * 批量插入后项
         * @param {Number} tid - 台账id
         * @param {uuid} rid - 修订id
         * @param {Number} lid - 节点id
         * @param {Object} data - 批量插入数据
         * @return {Promise<void>}
         */
        async batchInsertNext(tid, rid, lid, data) {
            const result = { ledger: {}, pos: null };
            if (!tid || !rid || !lid) return result;

            const select = await this.getDataByKid(tid, lid);
            if (!select) {
                throw '位置数据错误';
            }
            const parentData = await this.getDataByKid(tid, select.ledger_pid);
            if (!parentData) {
                throw '位置数据错误';
            }

            // 计算id和order
            const maxId = await this._getMaxLid(tid);
            const order = select.order;
            // 整理数据
            const bills = [], pos = [], newIds = [];
            for (let i = 0, iLen = data.length; i < iLen; i++) {
                // 合并新增数据
                const qd = {
                    crid: rid,
                    id: this.uuid.v4(),
                    tender_id: tid,
                    ledger_id: maxId + i + 1,
                    ledger_pid: parentData.ledger_id,
                    is_leaf: true,
                    order: order + i + 1,
                    level: parentData.level + 1,
                    b_code: data[i].b_code,
                    name: data[i].name,
                    unit: data[i].unit,
                    unit_price: data[i].price,
                    check_calc: 1,
                };

                const precision = this.ctx.helper.findPrecision(this.ctx.tender.info.precision, bills.unit);
                qd.sgfh_qty = 0;
                for (const p of data[i].pos) {
                    const inP = {
                        id: this.uuid.v4(), tid: tid, lid: qd.id, crid: rid,
                        add_stage: 0, add_times: 0, add_user: this.ctx.session.sessionUser.accountId,
                        name: p.name, drawing_code: p.drawing_code, porder: p.porder,
                    };
                    if (p.quantity) {
                        inP.sgfh_qty = this.round(p.quantity, precision.value);
                        inP.quantity = inP.sgfh_qty;
                    }
                    qd.sgfh_qty = this.ctx.helper.add(qd.sgfh_qty, inP.sgfh_qty);
                    pos.push(inP);
                }
                qd.full_path = parentData.full_path + '-' + qd.ledger_id;
                qd.sgfh_tp = this.ctx.helper.mul(qd.sgfh_qty, qd.unit_price, this.ctx.tender.info.decimal.tp);
                qd.quantity = qd.sgfh_qty;
                qd.total_price = qd.sgfh_tp;
                bills.push(qd);
                newIds.push(qd.id);
            }

            this.transaction = await this.db.beginTransaction();
            try {
                // 选中节点的所有后兄弟节点，order+粘贴节点个数
                await this._updateChildrenOrder(tid, select.ledger_pid, select.order+1);
                // 数据库创建新增节点数据
                await this.transaction.insert(this.tableName, bills);
                if (pos.length > 0) {
                    await this.transaction.insert(this.ctx.service.revisePos.tableName, pos);
                }
                this._cacheMaxLid(tid, maxId + data.length);
                await this.transaction.commit();
            } catch (err) {
                await this.transaction.rollback();
                throw err;
            }

            // 查询应返回的结果
            result.ledger.create = await this.getDataById(newIds);
            result.ledger.update = await this.getNextsData(select.tender_id, select.ledger_pid, select.order + data.length);
            result.pos = await this.ctx.service.revisePos.getDataByLid(tid, newIds);
            return result;
        }

        /**
         *
         * @param node
         * @param transaction
         * @returns {Promise<void>}
         * @private
         */
        async _calcNode(node, transaction) {
            const info = this.ctx.tender.info;
            const precision = this.ctx.helper.findPrecision(info.precision, node.unit);

            const calcQtySql = 'SELECT SUM(`sgfh_qty`) As `sgfh_qty`, SUM(`sjcl_qty`) As `sjcl_qty`, SUM(`qtcl_qty`) As `qtcl_qty`, SUM(`quantity`) As `quantity` FROM ?? WHERE `lid` = ?';
            const data = await transaction.queryOne(calcQtySql, [this.ctx.service.revisePos.tableName, node.id]);
            data.id = node.id;
            data.sgfh_qty = this.round(data.sgfh_qty, precision.value);
            data.sjcl_qty = this.round(data.sjcl_qty, precision.value);
            data.qtcl_qty = this.round(data.qtcl_qty, precision.value);
            data.quantity = this.round(data.quantity, precision.value);
            data.sgfh_tp = this.ctx.helper.mul(data.sgfh_qty, node.unit_price, info.decimal.tp);
            data.sjcl_tp = this.ctx.helper.mul(data.sjcl_qty, node.unit_price, info.decimal.tp);
            data.qtcl_tp = this.ctx.helper.mul(data.qtcl_qty, node.unit_price, info.decimal.tp);
            data.total_price = this.ctx.helper.mul(data.quantity, node.unit_price, info.decimal.tp);
            const result = await transaction.update(this.tableName, data);
        }

        /**
         *
         * @param {Number} tid - 标段id
         * @param {Number} id - 需要计算的节点的id
         * @param {Object} transaction - 操作所属事务，没有则创建
         * @return {Promise<void>}
         */
        async calc(tid, id, transaction) {
            const node = await transaction.get(this.tableName, {id: id});
            if (!node) {
                throw '数据错误';
            }
            await this._calcNode(node, transaction);
        }
    }

    return ReviseBills;
};