'use strict';

const Service = require('../core/base_service');

const { Op } = require('sequelize');

const fileName = "Monitoring";

class MonitoringService extends Service {
    // 查看危险操作记录
    async showMonitoring(body) {
        const { ctx } = this;
        try {
            let { offset, limit, searchOptions, sortOptions } = body;
            offset = (offset - 1) * limit;
            let attributes = ['operate', 'operate_msg', 'type', 'status', 'affect_entries', 'user', 'created_at'],
                where = {}, order = [], dbOptions, joinSubstring = [],
                substring = ['operate_msg', 'user'],
                key = ['type', 'status', 'operate'],
                between = ['created_at'];
            attributes.forEach(element => {
                if (searchOptions[element]) {
                    if (searchOptions[element] == '*空') {
                        if (joinSubstring.includes(element)) {
                            where[element] = null;
                        } else {
                            where[element] = [null, ''];
                        }
                    } else if (substring.includes(element)) {
                        where[element] = { [Op.substring]: searchOptions[element] };
                    } else if (key.includes(element)) {
                        where[element] = searchOptions[element];
                    } else if (between.includes(element)) {
                        where[element] = { [Op.between]: [searchOptions[element][0], searchOptions[element][1]] };
                    }
                }
                if (sortOptions[element] == true) {
                    order.push([element, 'ASC']);
                } else if (sortOptions[element] == false) {
                    order.push([element, 'DESC']);
                }
            });
            const manager = await ctx.model.Manager.findAll({ attributes: ['uid', 'account_name', 'role'] });
            if (searchOptions.account_name) {
                if (searchOptions.account_name == '*空') {
                    where.user = [null, ''];
                } else {
                    let uidArr = [];
                    manager.filter(item => {
                        if (item.dataValues.account_name.includes(searchOptions.account_name)) {
                            uidArr.push(item.dataValues.uid);
                        }
                    });
                    where.user = [...uidArr];
                }
            }
            if (searchOptions.role) {
                    let uidArr = [];
                    manager.filter(item => {
                        if (item.dataValues.role == searchOptions.role) {
                            uidArr.push(item.dataValues.uid);
                        }
                    });
                    where.user = [...uidArr];
            }
            dbOptions = { attributes, offset, limit, where, order };
            const result = await ctx.model.Monitoring.findAndCountAll(dbOptions);
            result.rows.forEach(element => {
                element.dataValues.account_name = '';
                element.dataValues.role = '';
                manager.filter(item => {
                    if (item.dataValues.uid == element.dataValues.user) {
                        element.dataValues.account_name = item.dataValues.account_name;
                        element.dataValues.role = item.dataValues.role;
                    }
                });
            });
            return result.rows.length == 0 ? false : result;
        } catch (error) {
            const blockName = fileName + "--" + "showMonitoring";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 删除危险操作记录
    async deleteMonitoring(uid, modelType, password, requestMsg) {
        const { ctx } = this;
        const systemMonitoring = {
            operate: 2,
            operate_msg: '删除危险操作记录',
            type: 2,
            status: 0,
            affect_entries: 0,
            user: uid,
            created_at: new Date()
        };
        try {
            const result = await ctx.model.Manager.findOne({ where: { uid } });
            if (!result || result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt)) || result.dataValues.role < 2) {
                if (!result) systemMonitoring.status = 0;
                else if (result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt))) systemMonitoring.status = 1;
                else if (result.dataValues.role < 2) systemMonitoring.status = 2;
                await ctx.model.Monitoring.create(systemMonitoring);
                return false;
            };
            let where = {};
            if (modelType == "single") {
                const { user, created_at } = requestMsg;
                where = { user, created_at };
            } else if (modelType == "multiple") {
                let user = [], created_at = [];
                for (const key in requestMsg) {
                    requestMsg[key].forEach(element => {
                        user.push(element.user),
                            created_at.push(element.created_at)
                    });
                }
                where = { user, created_at };
            }
            const resultList = await ctx.model.Monitoring.destroy({ where });
            systemMonitoring.status = resultList == 0 ? 3 : 4;
            systemMonitoring.affect_entries = resultList;
            await ctx.model.Monitoring.create(systemMonitoring);
            return resultList == 0 ? false : true;
        } catch (error) {
            systemMonitoring.status = 5;
            await ctx.model.Monitoring.create(systemMonitoring);
            const blockName = fileName + "--" + "deleteMonitoring";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }
}

module.exports = MonitoringService;