'use strict';

module.exports = app => {
    class ScheduleLedger extends app.BaseService {
        constructor(ctx) {
            super(ctx);
            this.tableName = 'schedule_ledger';
        }

        async saveLedger(datas) {
            const transaction = await this.db.beginTransaction();
            try {
                const oldDatas = await this.getAllDataByCondition({
                    where: { tid: this.ctx.tender.id },
                });
                const oldLids = this._.map(oldDatas, 'ledger_id');
                const insertDatas = [];
                for (const l of datas.select_ledger) {
                    if (oldLids.indexOf(l) === -1) {
                        const data = {
                            tid: this.ctx.tender.id,
                            ledger_id: l,
                        };
                        insertDatas.push(data);
                    } else {
                        this._.pull(oldLids, l);
                    }
                }
                if (oldLids.length > 0) {
                    for (const ol of oldLids) {
                        await transaction.delete(this.tableName, { tid: this.ctx.tender.id, ledger_id: ol });
                    }
                }
                if (insertDatas.length > 0) await transaction.insert(this.tableName, insertDatas);
                // 更新所有为null
                await transaction.update(this.tableName, { gcl: null, tp: null }, { where: { tid: this.ctx.tender.id } });
                const updateOptions = [];
                let total_tp = 0;
                // 更新最底层和总设计值
                for (const u of datas.under_ledger) {
                    updateOptions.push({
                        row: {
                            gcl: u.gcl,
                            tp: u.tp,
                        },
                        where: {
                            ledger_id: u.ledger_id,
                            tid: this.ctx.tender.id,
                        },
                    });
                    total_tp = this.ctx.helper.add(total_tp, u.tp);
                }
                if (updateOptions.length > 0) await transaction.updateRows(this.tableName, updateOptions);
                // 判断是否已创建了形象进度表
                const scheduleInfo = await this.ctx.service.schedule.getDataByCondition({ tid: this.ctx.tender.id });
                if (!scheduleInfo) {
                    const newSchedule = {
                        tid: this.ctx.tender.id,
                        total_tp,
                    };
                    await transaction.insert(this.ctx.service.schedule.tableName, newSchedule);
                } else {
                    await transaction.update(this.ctx.service.schedule.tableName, { id: scheduleInfo.id, total_tp });
                }
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }
    }
    return ScheduleLedger;
};