'use strict';

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

const auditConst = require('../const/audit').stage;
module.exports = app => {
    class StageOther extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'stage_other';
        }

        async getStageData(sid) {
            const data = await this.getAllDataByCondition({where: { sid: sid }});
            if (this.ctx.stage && this.ctx.stage.readOnly && this.ctx.stage.status !== auditConst.status.checked) {
                for (const d of data) {
                    const his = d.shistory ? JSON.parse(d.shistory) : [];
                    const h = this.ctx.helper._.find(his, {
                        stimes: this.ctx.stage.curTimes, sorder: this.ctx.stage.curOrder
                    });
                    d.tp = h ? h.tp : null;
                }
            }
            return data;
        }

        async getPreStageData(sorder) {
            const sql = 'SELECT uuid, Sum(tp) as tp From ' + this.tableName + ' WHERE sorder < ? And tid = ? GROUP By uuid';
            const sqlParam = [sorder, this.ctx.tender.id];
            const data = await this.db.query(sql, sqlParam);
            return data;
        }

        async getEndStageData(sorder) {
            const sql = 'SELECT uuid, Sum(tp) as tp From' + this.tableName + ' WHERE sorder <= ? And tid = ? GROUP By uuid';
            const sqlParam = [sorder, this.ctx.tender.id];
            const data = await this.db.query(sql, sqlParam);
            return data;
        }

        async _addDatas(data) {
            const datas = data instanceof Array ? data : [data];
            const insertData = [];
            for (const d of datas) {
                if (!d.name || !d.order) throw '新增其他数据，提交的数据错误';
                const nd = {
                    uuid: this.uuid.v4(),
                    add_sid: this.ctx.stage.id,
                    add_uid: this.ctx.session.sessionUser.accountId,
                    add_time: new Date(),
                    sid: this.ctx.stage.id,
                    sorder: this.ctx.stage.order,
                    tid: this.ctx.tender.id,
                };
                nd.name = d.name;
                nd.order = d.order;

                if (d.total_price) nd.total_price = this.ctx.helper.round(d.total_price, this.ctx.tender.info.decimal.tp);
                if (d.tp) nd.tp = this.ctx.helper.round(d.tp, this.ctx.tender.info.decimal.tp);
                if (d.real_time) nd.real_time = d.real_time;
                if (d.memo) nd.memo = d.memo;
                insertData.push(nd);
            }
            await this.db.insert(this.tableName, insertData);
            return await this.getAllDataByCondition({
                where: { sid: this.ctx.stage.id, uuid: this.ctx.helper._.map(insertData, 'uuid') }
            });
        }

        async _delDatas (data) {
            const datas = data instanceof Array ? data : [data];
            const orgDatas = await this.getAllDataByCondition({where: {sid: this.ctx.stage.id, id: this.ctx.helper._.map(datas, 'id')} });
            for (const od of orgDatas) {
                if (od.pre_used) throw '往期已经计量，不可删除';
            }
            await this.db.delete(this.tableName, {id: datas});
            return datas;
        }

        async _updateDatas (data) {
            const datas = data instanceof Array ? data : [data];
            const orgDatas = await this.getAllDataByCondition({sid: this.ctx.stage.id, id: this.ctx.helper._.map(datas, 'id')});

            const uDatas = [];
            for (const d of datas) {
                const od = this.ctx.helper._.find(orgDatas, {id: d.id});
                if (!od) continue;

                const nd = {id: od.id};
                if (d.name !== undefined) {
                    if (od.pre_used) throw '往期已使用，不可修改名称';
                    nd.name = d.name;
                }
                if (d.order !== undefined) nd.order = d.order;
                if (d.total_price !== undefined) {
                    if (od.pre_used) throw '往期已使用，不可修改金额';
                    nd.total_price = this.ctx.helper.round(d.total_price, this.ctx.tender.info.decimal.tp);
                }
                if (d.tp !== undefined) nd.tp = this.ctx.helper.round(d.tp, this.ctx.tender.info.decimal.tp);
                if (d.real_time !== undefined) nd.real_time = new Date(d.real_time);
                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 = await this._delDatas(data.del);
                }
                return result;
            } catch (err) {
                if (err.stack) {
                    throw err;
                } else {
                    result.err = err.toString();
                    return result;
                }
            }
        }

        async updateHistory(stage, transaction) {
            const datas = await this.getStageData(stage.id);
            if (datas.length === 0) return;

            const filter = {stimes: this.ctx.stage.curTimes, sorder: this.ctx.stage.curOrder};
            const updateDatas = [];
            for (const d of datas) {
                const history = d.shistory && d.shistory !== '' ? JSON.parse(d.shistory) : [];
                const his = this.ctx.helper._.find(datas, filter);
                if (his) {
                    his.tp = d.tp;
                    if (d.sid === d.add_sid) his.total_price = d.total_price;
                } else {
                    const nHis = { stimes: this.ctx.stage.curTimes, sorder: this.ctx.stage.curOrder, tp: d.tp };
                    if (d.sid === d.add_sid) his.total_price = d.total_price;
                    history.push(nHis);
                }
                updateDatas.push({ id: d.id, shistory: JSON.stringify(history) });
            }
            await transaction.updateRows(this.tableName, updateDatas);
        }

        async addInitialStageData(stage, preStage, transaction) {
            if (!stage || !preStage) {
                throw '标段数据有误';
            }
            const preDatas = await this.getStageData(preStage.id);
            if (preDatas.length > 0) {
                for (const pd of preDatas) {
                    delete pd.id;
                    pd.pre_used = pd.pre_used || !this.ctx.helper.checkZero(pd.tp);
                    delete pd.tp;
                    pd.sid = stage.id;
                }
                const result = await transaction.insert(this.tableName, preDatas);
                return result.affectedRows === preDatas.length;
            } else {
                return true;
            }

        }
    }

    return StageOther;
};