'use strict';

/**
 *
 *
 * @author Mai
 * @date 2018/8/14
 * @version
 */

const auditConst = require('../const/audit').changeProject;
const pushType = require('../const/audit').pushType;

module.exports = app => {
    class ChangeProjectXsAudit extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'change_project_xs_audit';
        }

        /**
         * 获取协审人列表
         *
         * @param auditorId
         * @return {Promise<*>}
         */
        async getAuditList(changeId) {
            const sql = 'SELECT la.`aid`, pa.`name`, pa.`company`, pa.`role`, la.`cpid`, la.`aid` ' +
                '  FROM ?? AS la Left Join ?? AS pa On la.`aid` = pa.`id`' +
                '  WHERE la.`cpid` = ? ORDER BY la.`id`';
            const sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, changeId];
            return await this.db.query(sql, sqlParam);
        }

        /**
         * 获取单个协审人
         *
         * @param auditorId
         * @return {Promise<*>}
         */
        async getOneAudit(cpid, aid) {
            const sql = 'SELECT la.`aid`, pa.`name`, pa.`company`, pa.`role`, la.`cpid`, la.`aid` ' +
                '  FROM ?? AS la Left Join ?? AS pa On la.`aid` = pa.`id`' +
                '  WHERE la.`cpid` = ? AND la.`aid` = ?';
            const sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, cpid, aid];
            return await this.db.queryOne(sql, sqlParam);
        }

        /**
         * 新增协审人
         *
         * @param {Number} cpId - 立项书id
         * @param {Number} auditorId - 审核人id
         * @param {Number} times - 第几次审批
         * @return {Promise<number>}
         */
        async addAuditor(cpId, auditorId) {
            const transaction = await this.db.beginTransaction();
            let flag = false;
            try {
                const data = {
                    tid: this.ctx.tender.id,
                    cpid: cpId,
                    aid: auditorId,
                    for_aid: this.ctx.session.sessionUser.accountId,
                    in_time: new Date(),
                };
                const result = await transaction.insert(this.tableName, data);
                await transaction.commit();
                flag = result.effectRows = 1;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
            return flag;
        }

        /**
         * 移除协审人
         *
         * @param {Number} cpId - 变更立项书id
         * @param {Number} auditorId - 审核人id
         * @param {Number} times - 第几次审批
         * @return {Promise<boolean>}
         */
        async deleteAuditor(cpId, auditorId) {
            const transaction = await this.db.beginTransaction();
            try {
                const condition = { cpid: cpId, aid: auditorId };
                const auditor = await this.getDataByCondition(condition);
                if (!auditor) {
                    throw '该审核人不存在';
                }
                await transaction.delete(this.tableName, condition);
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
            return true;
        }

        /**
         * 获取审核人需要审核的期列表
         *
         * @param auditorId
         * @return {Promise<*>}
         */
        async getAuditChangeProject(auditorId) {
            const sql = 'SELECT ma.`aid`, ma.`times`, ma.`order`, ma.`begin_time`, ma.`end_time`, ma.`tid`, ma.`cpid`,' +
                '    m.`status` As `mstatus`, m.`code` As `mcode`,' +
                '    t.`name`, t.`project_id`, t.`type`, t.`user_id` ' +
                '  FROM ?? AS ma, ?? AS m, ?? As t ' +
                '  WHERE ((ma.`aid` = ? and ma.`status` = ?) OR (m.`uid` = ? and ma.`status` = ? and m.`status` = ? and ma.`times` = (m.`times`-1)))' +
                '    and ma.`cpid` = m.`id` and ma.`tid` = t.`id` ORDER BY ma.`begin_time` DESC';
            const sqlParam = [this.tableName, this.ctx.service.changeProject.tableName, this.ctx.service.tender.tableName, auditorId, auditConst.status.checking, auditorId, auditConst.status.back, auditConst.status.back];
            return await this.db.query(sql, sqlParam);
        }

        /**
         * 复制上一期的协审人列表给最新一期
         *
         * @param transaction - 新增一期的事务
         * @param {Object} preMaterial - 上一期
         * @param {Object} newaMaterial - 最新一期
         * @return {Promise<*>}
         */
        async copyPreChangeProjectXsAuditors(transaction, preChange, newChange) {
            const auditors = await this.getAuditList(preChange.id);
            const newAuditors = [];
            for (const a of auditors) {
                const na = {
                    tid: preChange.tid,
                    cpid: newChange.id,
                    aid: a.aid,
                    for_aid: preChange.for_aid,
                    in_time: new Date(),
                };
                newAuditors.push(na);
            }
            const result = await transaction.insert(this.tableName, newAuditors);
            return result.affectedRows === auditors.length;
        }

        async getAllAuditors(tenderId) {
            const sql = 'SELECT ma.aid, ma.tid FROM ' + this.tableName + ' ma' +
                '  LEFT JOIN ' + this.ctx.service.tender.tableName + ' t On ma.tid = t.id' +
                '  WHERE t.id = ?' +
                '  GROUP BY  ma.aid';
            const sqlParam = [tenderId];
            return this.db.query(sql, sqlParam);
        }
    }

    return ChangeProjectXsAudit;
};