'use strict';

/**
 *
 *
 * @author Mai
 * @date 2018/8/14
 * @version
 */
module.exports = app => {
    class ChangeSettleList extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'change_settle_list';
        }

        async isSettle(cid) {
            const result = await this.getDataByCondition({ cid });
            return result && result.length > 0;
        }

        async updateChangeList(cid, settleBills, settlePos, list) {
            const removeList = [];
            const updateList = [];
            const changeSettleListData = await this.getAllDataByCondition({ where: { cid } });
            const settleStatus = this.ctx.service.settle.settleStatus;
            const transaction = await this.db.beginTransaction();
            try {
                for (const cl of list) {
                    const settleInfo = cl.mx_id ? this._.find(settlePos, { lid: cl.gcl_id, pid: cl.mx_id }) : this._.find(settleBills, { lid: cl.gcl_id });
                    if (settleInfo && settleInfo.settle_status === settleStatus.finish) {
                        const changeSettleInfo = cl.mx_id ? this._.find(changeSettleListData, { gcl_id: cl.gcl_id, mx_id: cl.mx_id }) : this._.find(changeSettleListData, { gcl_id: cl.gcl_id });
                        if (!changeSettleInfo) {
                            removeList.push(cl.id);
                        } else {
                            if (changeSettleInfo.amount !== cl.spamount || changeSettleInfo.amount !== cl.camount) {
                                cl.camount = changeSettleInfo.amount;
                                cl.spamount = changeSettleInfo.amount;
                                updateList.push({ id: cl.id, camount: cl.camount, spamount: cl.spamount });
                            }
                        }
                    }
                }
                // list根据removeList对应删除
                if (removeList.length > 0) {
                    for (const id of removeList) {
                        const index = this._.findIndex(list, { id });
                        if (index !== -1) {
                            list.splice(index, 1);
                        }
                    }
                    await transaction.delete(this.ctx.service.changeAuditList.tableName, { id: removeList });
                }
                if (updateList.length > 0) await transaction.update(this.ctx.service.changeAuditList.tableName, updateList);
                // 重算变更令金额
                if (removeList.length > 0 || updateList.length > 0) {
                    await this.ctx.service.changeAuditList.reCalcTp(transaction, cid);
                }
                await transaction.commit();
            } catch (err) {
                console.log(err);
                await transaction.rollback();
                throw err;
            }
            return removeList.length;
        }
    }

    return ChangeSettleList;
};