'use strict';

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

        async getLastPlanMonth() {
            const sql = 'SELECT `yearmonth` FROM ?? WHERE `tid` = ? ORDER BY `yearmonth` DESC Limit 0,1';
            const sqlParam = [this.tableName, this.ctx.tender.id];
            return await this.db.query(sql, sqlParam);
        }

        async add(data) {
            const transaction = await this.db.beginTransaction();
            try {
                const insertData = {
                    tid: this.ctx.tender.id,
                    yearmonth: data.yearmonth,
                    order: data.order,
                };
                // 更新schedule_month stage_tp_used为1
                const updateData = {
                    stage_tp_used: 1,
                };
                const option = {
                    where: {
                        tid: this.ctx.tender.id,
                        yearmonth: data.yearmonth,
                    },
                };
                await transaction.update(this.ctx.service.scheduleMonth.tableName, updateData, option);
                await transaction.insert(this.tableName, insertData);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async del(data) {
            const transaction = await this.db.beginTransaction();
            try {
                const info = await this.getDataById(data.id);
                await transaction.delete(this.tableName, { id: data.id });
                // 更新schedule_month stage_tp_used为0
                const updateData = {
                    stage_tp_used: 0,
                };
                const option = {
                    where: {
                        tid: this.ctx.tender.id,
                        yearmonth: info.yearmonth,
                    },
                };
                await transaction.update(this.ctx.service.scheduleMonth.tableName, updateData, option);
                // 重算计量总金额
                await this.calcStageSjTp(transaction, this.ctx.tender.id);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async changeOrder(data) {
            const transaction = await this.db.beginTransaction();
            try {
                const updateData = {
                    id: data.id,
                    order: data.order,
                };
                await transaction.update(this.tableName, updateData);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async updateOneTp(data) {
            const transaction = await this.db.beginTransaction();
            try {
                const updateData = {
                    tp: data.tp,
                };
                const option = {
                    where: {
                        tid: this.ctx.tender.id,
                        order: data.order,
                    },
                };
                await transaction.update(this.tableName, updateData, option);
                await this.updateStageSjTp(transaction, this.ctx.tender.id, data.stage_sj_tp);
                await transaction.commit();
                return true;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async calcStageSjTp(transaction, tid) {
            const sql = 'SELECT SUM(`tp`) as stage_sj_tp FROM ?? WHERE tid = ?';
            const sqlParam = [this.tableName, tid];
            const result = await transaction.queryOne(sql, sqlParam);
            const updateData = {
                stage_sj_tp: result.stage_sj_tp,
            };
            const option = {
                where: {
                    tid,
                },
            };
            return await transaction.update(this.ctx.service.schedule.tableName, updateData, option);
        }

        async updateStageSjTp(transaction, tid, sj_tp) {
            // 更新计量总金额
            const stageData = {
                stage_sj_tp: sj_tp,
            };
            const stageOption = {
                where: {
                    tid,
                },
            };
            await transaction.update(this.ctx.service.schedule.tableName, stageData, stageOption);
        }
    }
    return ScheduleStage;
};