'use strict';

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

const auditConst = require('../const/audit').changeProject;
const pushType = require('../const/audit').pushType;
const shenpiConst = require('../const/shenpi');
const smsTypeConst = require('../const/sms_type');
const SMS = require('../lib/sms');
const SmsAliConst = require('../const/sms_alitemplate');
const wxConst = require('../const/wechat_template');

module.exports = app => {
    class ChangeProjectAudit 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_audit';
        }

        /**
         * 获取 审核列表信息
         *
         * @param {Number} cpId - 变更立项id
         * @param {Number} times - 第几次审批
         * @return {Promise<*>}
         */
        async getAuditors(cpId, times = 1) {
            const sql = 'SELECT la.`aid`, pa.`name`, pa.`company`, pa.`role`, pa.`mobile`, pa.`telephone`, la.`times`, la.`order`, la.`status`, la.`opinion`, la.`begin_time`, la.`end_time`, g.`sort` ' +
                'FROM ?? AS la, ?? AS pa, (SELECT `aid`,(@i:=@i+1) as `sort` FROM ??, (select @i:=0) as it WHERE `cpid` = ? AND `times` = ? GROUP BY `aid`) as g ' +
                'WHERE la.`cpid` = ? and la.`times` = ? and la.`aid` = pa.`id` and g.`aid` = la.`aid` order by la.`order`';
            const sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, this.tableName, cpId, times, cpId, times];
            const result = await this.db.query(sql, sqlParam);
            const sql2 = 'SELECT COUNT(a.`aid`) as num FROM (SELECT `aid` FROM ?? WHERE `cpid` = ? AND `times` = ? GROUP BY `aid`) as a';
            const sqlParam2 = [this.tableName, cpId, times];
            const count = await this.db.queryOne(sql2, sqlParam2);
            for (const i in result) {
                result[i].max_sort = count.num;
            }
            return result;
        }

        /**
         * 获取 当前审核人
         *
         * @param {Number} cpId - 变更立项id
         * @param {Number} times - 第几次审批
         * @return {Promise<*>}
         */
        async getCurAuditor(cpId, times = 1) {
            const sql = 'SELECT la.`aid`, pa.`name`, pa.`company`, pa.`role`, pa.`mobile`, pa.`telephone`, la.`times`, la.`order`, la.`status`, la.`opinion`, la.`begin_time`, la.`end_time` ' +
                '  FROM ?? AS la Left Join ?? AS pa On la.`aid` = pa.`id` ' +
                '  WHERE la.`cpid` = ? and la.`status` = ? and la.`times` = ?';
            const sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, cpId, auditConst.status.checking, times];
            return await this.db.queryOne(sql, sqlParam);
        }

        /**
         * 获取审核人流程列表
         *
         * @param auditorId
         * @return {Promise<*>}
         */
        async getAuditGroupByList(changeId, times) {
            const sql = 'SELECT la.`aid`, pa.`name`, pa.`company`, pa.`role`, la.`times`, la.`cpid`, la.`aid`, la.`order` ' +
                '  FROM ?? AS la Left Join ?? AS pa On la.`aid` = pa.`id`' +
                '  WHERE la.`cpid` = ? and la.`times` = ? GROUP BY la.`aid` ORDER BY la.`order`';
            const sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, changeId, times];
            return await this.db.query(sql, sqlParam);
        }

        /**
         * 移除审核人
         *
         * @param {Number} materialId - 材料调差期id
         * @param {Number} status - 期状态
         * @param {Number} status - 期次数
         * @return {Promise<boolean>}
         */
        async getAuditorByStatus(cpId, status, times = 1) {
            let auditor = null;
            let sql = '';
            let sqlParam = '';
            switch (status) {
                case auditConst.status.checking :
                case auditConst.status.checked :
                case auditConst.status.checkNo :
                    sql = 'SELECT la.`aid`, pa.`name`, pa.`company`, pa.`role`, la.`times`, la.`cpid`, la.`aid`, la.`order` ' +
                        '  FROM ?? AS la Left Join ?? AS pa On la.`aid` = pa.`id` ' +
                        '  WHERE la.`cpid` = ? and la.`status` = ? ' +
                        '  ORDER BY la.`times` desc, la.`order` desc';
                    sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, cpId, status];
                    auditor = await this.db.queryOne(sql, sqlParam);
                    break;
                case auditConst.status.back :
                    sql = 'SELECT la.`aid`, pa.`name`, pa.`company`, pa.`role`, la.`times`, la.`cpid`, la.`aid`, la.`order` ' +
                        '  FROM ?? AS la Left Join ?? AS pa On la.`aid` = pa.`id`' +
                        '  WHERE la.`cpid` = ? and la.`status` = ? and la.`times` = ?' +
                        '  ORDER BY la.`times` desc, la.`order` desc';
                    sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, cpId, auditConst.status.back, parseInt(times) - 1];
                    auditor = await this.db.queryOne(sql, sqlParam);
                    break;
                case auditConst.status.uncheck :
                    break;
                default:break;
            }
            return auditor;
        }

        /**
         * 获取审核人流程列表(包括原报)
         * @param {Number} materialId 调差id
         * @param {Number} times 审核次数
         * @return {Promise<Array>} 查询结果集(包括原报)
         */
        async getAuditorsWithOwner(cpId, times = 1) {
            const result = await this.getAuditGroupByList(cpId, times);
            const sql =
                'SELECT pa.`id` As aid, pa.`name`, pa.`company`, pa.`role`, ? As times, ? As cpid, 0 As `order`' +
                '  FROM ' +
                this.ctx.service.changeProject.tableName +
                ' As s' +
                '  LEFT JOIN ' +
                this.ctx.service.projectAccount.tableName +
                ' As pa' +
                '  ON s.uid = pa.id' +
                '  WHERE s.id = ?';
            const sqlParam = [times, cpId, cpId];
            const user = await this.db.queryOne(sql, sqlParam);
            result.unshift(user);
            return result;
        }

        /**
         * 新增审核人
         *
         * @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, times = 1, is_gdzs = 0) {
            const transaction = await this.db.beginTransaction();
            let flag = false;
            try {
                let newOrder = await this.getNewOrder(cpId, times);
                // 判断是否存在固定终审，存在则newOrder - 1并使终审order+1
                newOrder = is_gdzs === 1 ? newOrder - 1 : newOrder;
                if (is_gdzs) await this._syncOrderByDelete(transaction, cpId, newOrder, times, '+');
                const data = {
                    tid: this.ctx.tender.id,
                    cpid: cpId,
                    aid: auditorId,
                    times,
                    order: newOrder,
                    status: auditConst.status.uncheck,
                };
                const result = await transaction.insert(this.tableName, data);
                await transaction.commit();
                flag = result.effectRows = 1;
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
            return flag;
        }

        /**
         * 获取 最新审核顺序
         *
         * @param {Number} cpId - 立项书id
         * @param {Number} times - 第几次审批
         * @return {Promise<number>}
         */
        async getNewOrder(cpId, times = 1) {
            const sql = 'SELECT Max(??) As max_order FROM ?? Where `cpid` = ? and `times` = ?';
            const sqlParam = ['order', this.tableName, cpId, times];
            const result = await this.db.queryOne(sql, sqlParam);
            return result && result.max_order ? result.max_order + 1 : 1;
        }

        /**
         * 移除审核人
         *
         * @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, times = 1) {
            const transaction = await this.db.beginTransaction();
            try {
                const condition = { cpid: cpId, aid: auditorId, times };
                const auditor = await this.getDataByCondition(condition);
                if (!auditor) {
                    throw '该审核人不存在';
                }
                await this._syncOrderByDelete(transaction, cpId, auditor.order, times);
                await transaction.delete(this.tableName, condition);
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
            return true;
        }

        /**
         * 移除审核人时，同步其后审核人order
         * @param transaction - 事务
         * @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<*>}
         * @private
         */
        async _syncOrderByDelete(transaction, cpId, order, times, selfOperate = '-') {
            this.initSqlBuilder();
            this.sqlBuilder.setAndWhere('cpid', {
                value: cpId,
                operate: '=',
            });
            this.sqlBuilder.setAndWhere('order', {
                value: order,
                operate: '>=',
            });
            this.sqlBuilder.setAndWhere('times', {
                value: times,
                operate: '=',
            });
            this.sqlBuilder.setUpdateData('order', {
                value: 1,
                selfOperate,
            });
            const [sql, sqlParam] = this.sqlBuilder.build(this.tableName, 'update');
            const data = await transaction.query(sql, sqlParam);

            return data;
        }

        /**
         * 开始审批
         * @param {Number} cpId - 立项书id
         * @param {Number} times - 第几次审批
         * @return {Promise<boolean>}
         */
        async start(cpId, times = 1) {
            const audit = await this.getDataByCondition({ cpid: cpId, times, order: 1 });
            if (!audit) {
                // if (this.ctx.tender.info.shenpi.material === shenpiConst.sp_status.gdspl) {
                //     throw '请联系管理员添加审批人';
                // } else {
                throw '请先选择审批人，再上报数据';
                // }
            }

            const transaction = await this.db.beginTransaction();
            try {
                await transaction.update(this.tableName, { id: audit.id, status: auditConst.status.checking, begin_time: new Date() });
                await transaction.update(this.ctx.service.changeProject.tableName, {
                    id: cpId, status: auditConst.status.checking,
                });
                // 微信模板通知
                const wechatData = {
                    type: 'project',
                    status: wxConst.status.check,
                    tips: wxConst.tips.check,
                    code: this.ctx.session.sessionProject.code,
                    c_name: this.ctx.change.name,
                };
                await this.ctx.helper.sendWechat(audit.aid, smsTypeConst.const.BG, smsTypeConst.judge.approval.toString(), wxConst.template.change, wechatData);

                // todo 更新标段tender状态 ?
                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);
        }

        /**
         * 获取审核人审核的次数
         *
         * @param auditorId
         * @return {Promise<*>}
         */
        async getCountByChecked(auditorId) {
            return await this.db.count(this.tableName, { aid: auditorId, status: [auditConst.status.checked, auditConst.status.back, auditConst.status.checkNo] });
        }

        /**
         * 获取最近一次审批结束时间
         *
         * @param auditorId
         * @return {Promise<*>}
         */
        async getLastEndTimeByChecked(auditorId) {
            const sql = 'SELECT `end_time` FROM ?? WHERE `aid` = ? ' +
                'AND `status` in (' + this.ctx.helper.getInArrStrSqlFilter([auditConst.status.checked, auditConst.status.back, auditConst.status.checkNo]) + ') ORDER BY `end_time` DESC';
            const sqlParam = [this.tableName, auditorId];
            const result = await this.db.queryOne(sql, sqlParam);
            return result ? result.end_time : null;
        }

        /**
         * 用于添加推送所需的content内容
         * @param {Number} pid 项目id
         * @param {Number} tid 台账id
         * @param {Number} cpId 立项书id
         * @param {Number} uid 审批人id
         */
        async getNoticeContent(pid, tid, cpId, uid, opinion = '') {
            const noticeSql = 'SELECT * FROM (SELECT ' +
                '  t.`id` As `tid`, ma.`cpid`, m.`code` as `c_code`, t.`name`, pa.`name` As `su_name`, pa.role As `su_role`' +
                '  FROM (SELECT * FROM ?? WHERE `id` = ? ) As t' +
                '  LEFT JOIN ?? As m On t.`id` = m.`tid` AND m.`id` = ?' +
                '  LEFT JOIN ?? As ma ON m.`id` = ma.`cpid`' +
                '  LEFT JOIN ?? As pa ON pa.`id` = ?' +
                '  WHERE  t.`project_id` = ? ) as new_t GROUP BY new_t.`tid`';
            const noticeSqlParam = [this.ctx.service.tender.tableName, tid, this.ctx.service.changeProject.tableName, cpId, this.tableName, this.ctx.service.projectAccount.tableName, uid, pid];
            const content = await this.db.query(noticeSql, noticeSqlParam);
            if (content.length) {
                content[0].opinion = opinion;
            }
            return content.length ? JSON.stringify(content[0]) : '';
        }

        /**
         * 审批
         * @param {Number} cpId - 立项书id
         * @param {auditConst.status.checked|auditConst.status.checkNo} checkType - 审批结果
         * @param {Number} times - 第几次审批
         * @return {Promise<void>}
         */
        async check(cpId, checkData, times = 1) {
            if (checkData.checkType !== auditConst.status.checked && checkData.checkType !== auditConst.status.checkNo && checkData.checkType !== auditConst.status.back) {
                throw '提交数据错误';
            }
            const pid = this.ctx.session.sessionProject.id;
            switch (checkData.checkType) {
                case auditConst.status.checked:
                    await this._checked(pid, cpId, checkData, times);
                    break;
                case auditConst.status.back:
                    await this._back(pid, cpId, checkData, times);
                    break;
                case auditConst.status.checkNo:
                    await this._checkNo(pid, cpId, checkData, times);
                    break;
                default:
                    throw '无效审批操作';
            }
        }

        async _checked(pid, cpId, checkData, times) {
            const time = new Date();

            // 整理当前流程审核人状态更新
            const audit = await this.getDataByCondition({ cpid: cpId, times, status: auditConst.status.checking });
            if (!audit) {
                throw '审核数据错误';
            }

            // 获取审核人列表
            const sql = 'SELECT `tid`, `cpid`, `aid`, `order` FROM ?? WHERE `cpid` = ? and `times` = ? GROUP BY `aid` ORDER BY `id` ASC';
            const sqlParam = [this.tableName, cpId, times];
            const auditors = await this.db.query(sql, sqlParam);

            const nextAudit = await this.getDataByCondition({ cpid: cpId, times, order: audit.order + 1 });


            const transaction = await this.db.beginTransaction();
            try {
                await transaction.update(this.tableName, { id: audit.id, status: checkData.checkType, opinion: checkData.opinion, end_time: time });

                // 获取推送必要信息
                const noticeContent = await this.getNoticeContent(pid, audit.tid, cpId, audit.aid, checkData.opinion);
                // 添加推送
                const records = [{ pid, type: pushType.changeProject, uid: this.ctx.change.uid, status: auditConst.status.checked, content: noticeContent }];
                auditors.forEach(audit => {
                    records.push({ pid, type: pushType.changeProject, uid: audit.aid, status: auditConst.status.checked, content: noticeContent });
                });
                await transaction.insert('zh_notice', records);

                // 无下一审核人表示，审核结束
                if (nextAudit) {
                    // 流程至下一审批人
                    await transaction.update(this.tableName, { id: nextAudit.id, status: auditConst.status.checking, begin_time: time });

                    // 同步 期信息
                    await transaction.update(this.ctx.service.changeProject.tableName, {
                        id: cpId, status: auditConst.status.checking,
                    });

                    // 微信模板通知
                    const wechatData = {
                        type: 'project',
                        status: wxConst.status.check,
                        tips: wxConst.tips.check,
                        code: this.ctx.session.sessionProject.code,
                        c_name: this.ctx.change.name,
                    };
                    await this.ctx.helper.sendWechat(nextAudit.aid, smsTypeConst.const.BG, smsTypeConst.judge.approval.toString(), wxConst.template.change, wechatData);
                } else {
                    // 本期结束
                    // 生成截止本期数据 final数据
                    // 同步 期信息
                    await transaction.update(this.ctx.service.changeProject.tableName, {
                        id: cpId, status: checkData.checkType,
                    });

                    // 微信模板通知
                    const users = this._.uniq(this._.concat(this._.map(auditors, 'aid'), this.ctx.change.uid));
                    const wechatData = {
                        type: 'project',
                        status: wxConst.status.success,
                        tips: wxConst.tips.success,
                        code: this.ctx.session.sessionProject.code,
                        c_name: this.ctx.change.name,
                    };
                    await this.ctx.helper.sendWechat(users, smsTypeConst.const.BG, smsTypeConst.judge.result.toString(), wxConst.template.change, wechatData);
                }
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async _back(pid, cpId, checkData, times) {
            const time = new Date();
            // 整理当前流程审核人状态更新
            const audit = await this.getDataByCondition({ cpid: cpId, times, status: auditConst.status.checking });
            if (!audit) {
                throw '审核数据错误';
            }
            const sql = 'SELECT `tid`, `cpid`, `aid`, `order` FROM ?? WHERE `cpid` = ? and `times` = ? GROUP BY `aid` ORDER BY `id` ASC';
            const sqlParam = [this.tableName, cpId, times];
            const auditors = await this.db.query(sql, sqlParam);
            let order = 1;
            for (const a of auditors) {
                a.times = times + 1;
                a.order = order;
                a.status = auditConst.status.uncheck;
                order++;
            }
            const transaction = await this.db.beginTransaction();
            try {
                await transaction.update(this.tableName, { id: audit.id, status: checkData.checkType, opinion: checkData.opinion, end_time: time });
                // 添加到消息推送表
                const noticeContent = await this.getNoticeContent(pid, audit.tid, cpId, audit.aid, checkData.opinion);
                const records = [{ pid, type: pushType.changeProject, uid: this.ctx.change.uid, status: auditConst.status.back, content: noticeContent }];
                auditors.forEach(audit => {
                    records.push({ pid, type: pushType.changeProject, uid: audit.aid, status: auditConst.status.back, content: noticeContent });
                });
                await transaction.insert(this.ctx.service.noticePush.tableName, records);
                // 同步期信息
                await transaction.update(this.ctx.service.changeProject.tableName, {
                    id: cpId, status: checkData.checkType,
                    times: times + 1,
                });
                // 拷贝新一次审核流程列表
                await transaction.insert(this.tableName, auditors);
                // 微信模板通知
                const users = this._.uniq(this._.concat(this._.map(auditors, 'aid'), this.ctx.change.uid));
                const wechatData = {
                    type: 'project',
                    status: wxConst.status.back,
                    tips: wxConst.tips.back,
                    code: this.ctx.session.sessionProject.code,
                    c_name: this.ctx.change.name,
                };
                await this.ctx.helper.sendWechat(users, smsTypeConst.const.BG, smsTypeConst.judge.result.toString(), wxConst.template.change, wechatData);
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        async _checkNo(pid, cpId, checkData, times) {
            const time = new Date();

            // 整理当前流程审核人状态更新
            const audit = await this.getDataByCondition({ cpid: cpId, times, status: auditConst.status.checking });
            if (!audit) {
                throw '审核数据错误';
            }

            // 获取审核人列表
            const sql = 'SELECT `tid`, `cpid`, `aid`, `order` FROM ?? WHERE `cpid` = ? and `times` = ? GROUP BY `aid` ORDER BY `id` ASC';
            const sqlParam = [this.tableName, cpId, times];
            const auditors = await this.db.query(sql, sqlParam);
            const transaction = await this.db.beginTransaction();
            try {
                await transaction.update(this.tableName, { id: audit.id, status: checkData.checkType, opinion: checkData.opinion, end_time: time });

                // 获取推送必要信息
                const noticeContent = await this.getNoticeContent(pid, audit.tid, cpId, audit.aid, checkData.opinion);
                // 添加推送
                const records = [{ pid, type: pushType.changeProject, uid: this.ctx.change.uid, status: auditConst.status.checkNo, content: noticeContent }];
                auditors.forEach(audit => {
                    records.push({ pid, type: pushType.changeProject, uid: audit.aid, status: auditConst.status.checkNo, content: noticeContent });
                });
                await transaction.insert('zh_notice', records);
                // 本期结束
                // 生成截止本期数据 final数据
                // 同步 期信息
                await transaction.update(this.ctx.service.changeProject.tableName, {
                    id: cpId, status: checkData.checkType,
                });

                // 微信模板通知
                const users = this._.uniq(this._.concat(this._.map(auditors, 'aid'), this.ctx.change.uid));
                const wechatData = {
                    type: 'project',
                    status: wxConst.status.stop,
                    tips: wxConst.tips.stop,
                    code: this.ctx.session.sessionProject.code,
                    c_name: this.ctx.change.name,
                };
                await this.ctx.helper.sendWechat(users, smsTypeConst.const.BG, smsTypeConst.judge.result.toString(), wxConst.template.change, wechatData);
                await transaction.commit();
            } catch (err) {
                await transaction.rollback();
                throw err;
            }
        }

        /**
         * 复制上一期的审批人列表给最新一期
         *
         * @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 copyPreChangeProjectAuditors(transaction, preChange, newChange) {
            const auditors = await this.getAuditGroupByList(preChange.id, preChange.times);
            const newAuditors = [];
            for (const a of auditors) {
                const na = {
                    tid: preChange.tid,
                    cpid: newChange.id,
                    aid: a.aid,
                    times: newChange.times,
                    order: newAuditors.length + 1,
                    status: auditConst.status.uncheck,
                };
                newAuditors.push(na);
            }
            const result = newAuditors.length > 0 ? await transaction.insert(this.tableName, newAuditors) : null;
            return result ? result.affectedRows === auditors.length : true;
        }

        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 ChangeProjectAudit;
};