'use strict';

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

const audit = require('../const/audit');

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


        /**
         * 获取最后一位审批人
         * @param cid
         * @return {Promise.<void>}
         */
        async getLastUser(cid, times, site = 1) {
            this.initSqlBuilder();
            this.sqlBuilder.setAndWhere('cid', {
                value: this.db.escape(cid),
                operate: '=',
            });
            this.sqlBuilder.setAndWhere('times', {
                value: times,
                operate: '=',
            });
            this.sqlBuilder.setAndWhere('status', {
                value: 1,
                operate: '!=',
            });
            if (site === 0) {
                this.sqlBuilder.setAndWhere('usite', {
                    value: site,
                    operate: '=',
                });
            }
            this.sqlBuilder.orderBy = [['usort', 'DESC']];
            const [sql, sqlParam] = this.sqlBuilder.build(this.tableName);
            const data = await this.db.queryOne(sql, sqlParam);

            return data;
        }

        /**
         * 获取当前审批人查看info时的状态
         * @param cid
         * @param times
         * @param status
         * @return {Promise.<void>}
         */
        async getStatusByChange(change) {
            const statusConst = audit.flow.status;
            const auditStatusConst = audit.flow.auditStatus;
            const uid = this.ctx.session.sessionUser.accountId;
            const changeAuditInfo = (await this.getAllDataByCondition({where: { cid: change.cid, times: change.times, uid: uid}, order: ['id', 'DESC']}));

            if (changeAuditInfo === null) {
                // 无权限查看此变更令
                return 0;
            }

            if (change.status === statusConst.uncheck && uid === change.uid) {
                // 待上报
                return 1;
            } else if (change.status === statusConst.back && uid === change.uid) {
                // 待重新上报
                return 2;
            } else if (change.status === statusConst.back && uid !== change.uid) {
                // 被退回但你不是原报人
                return 3;
            } else if (change.status === statusConst.checked) {
                // 已完成
                return 4;
            } else if (change.status === statusConst.checkNo) {
                // 已终止
                return 5;
            } else if (change.status === statusConst.checking && changeAuditInfo.status === auditStatusConst.checking) {
                // 待你审批
                return 6;
            } else if (change.status === statusConst.checking && changeAuditInfo.status !== auditStatusConst.checking) {
                // 审批中但你未到你审批或你已审批
                return 7;
            } else {
                // 无权限查看此变更令
                return 0;
            }
        }
    }

    return ChangeAudit;
};