'use strict';

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

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

const fileName = "ContestExamination";

class ContestExaminationService extends Service {
    // 管理系统查看账号答题情况
    async showExamination(body) {
        const { ctx } = this;
        try {
            let { offset, limit, searchOptions, sortOptions } = body;
            offset = (offset - 1) * limit;
            let attributes = ['user_uid', 'contest_uid', 'exam_type', 'topic_type', 'score', 'created_at', 'updated_at'],
                where = {}, order = [], dbOptions,
                joinSubstring = [],
                substring = ['user_uid', 'contest_uid', 'score'],
                key = ['exam_type', 'topic_type'],
                between = ['created_at', 'updated_at'];
            attributes.forEach(element => {
                if (searchOptions[element]) {
                    if (searchOptions[element] == '*空') {
                        if (joinSubstring.includes(element)) {
                            where[element] = null;
                        } else {
                            where[element] = [null, ''];
                        }
                    } else if (joinSubstring.includes(element)) {
                        let targetKeyArr = [];
                        where[element] = targetKeyArr.length > 0 ? targetKeyArr : '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']);
                }
            });
            dbOptions = { attributes, offset, limit, where, order };
            const result = await ctx.model4.Examination.findAndCountAll(dbOptions);
            return result.rows.length == 0 ? false : result;
        } catch (error) {
            const blockName = fileName + "--" + "showExamination";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 管理系统编辑账号答题情况
    async editExamination(uid, modelType, updateMsg, requestMsg) {
        const { ctx } = this;
        try {
            const result = await ctx.model3.Insiders.findOne({ where: { uid } });
            if (!result || result.dataValues.role < 6) return false;
            let where = {};
            if (modelType == "single") {
                const { user_uid, contest_uid, exam_type, topic_type, score, created_at, updated_at } = requestMsg;
                where = { user_uid, contest_uid, exam_type, topic_type, score, created_at, updated_at };
            } else if (modelType == "multiple") {
                let user_uid = [], contest_uid = [], exam_type = [], topic_type = [], score = [], created_at = [], updated_at = [];
                for (const key in requestMsg) {
                    requestMsg[key].forEach(element => {
                        user_uid.push(element.user_uid),
                        contest_uid.push(element.contest_uid),
                        exam_type.push(element.exam_type),
                        topic_type.push(element.topic_type),
                        score.push(element.score),
                        created_at.push(element.created_at),
                        updated_at.push(element.updated_at)
                    });
                }
                where = { user_uid, contest_uid, exam_type, topic_type, score, created_at, updated_at };
            }
            updateMsg.updated_at = new Date();
            const resultList = await ctx.model4.Examination.update(updateMsg, { where });
            return resultList[0] == 0 ? false : resultList;
        } catch (error) {
            const blockName = fileName + "--" + "editExamination";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 管理系统删除账号答题情况
    async delExamination(uid, modelType, password, requestMsg) {
        const { ctx } = this;
        const systemMonitoring = {
            operate: 2,
            operate_msg: '删除账号答题情况',
            type: 0,
            status: 0,
            affect_entries: 0,
            user: uid,
            created_at: new Date()
          };
        try {
            const result = await ctx.model3.Insiders.findOne({ where: { uid } });
            if (!result || result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt)) || result.dataValues.role < 9) {
                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 < 9) systemMonitoring.status = 2;
                await ctx.model3.Monitoring.create(systemMonitoring);
                return false;
            };
            let where = {};
            if (modelType == "single") {
                const { user_uid, contest_uid, exam_type, topic_type, score, created_at, updated_at } = requestMsg;
                where = { user_uid, contest_uid, exam_type, topic_type, score, created_at, updated_at };
            } else if (modelType == "multiple") {
                let user_uid = [], contest_uid = [], exam_type = [], topic_type = [], score = [], created_at = [], updated_at = [];
                for (const key in requestMsg) {
                    requestMsg[key].forEach(element => {
                        user_uid.push(element.user_uid),
                        contest_uid.push(element.contest_uid),
                        exam_type.push(element.exam_type),
                        topic_type.push(element.topic_type),
                        score.push(element.score),
                        created_at.push(element.created_at),
                        updated_at.push(element.updated_at)
                    });
                }
                where = { user_uid, contest_uid, exam_type, topic_type, score, created_at, updated_at };
            }
            const resultList = await ctx.model4.Examination.destroy({ where });
            systemMonitoring.status = resultList == 0 ? 3 : 4;
            systemMonitoring.affect_entries = resultList;
            await ctx.model3.Monitoring.create(systemMonitoring);
            return resultList == 0 ? false : true;
        } catch (error) {
            const blockName = fileName + "--" + "delExamination";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 管理系统导出账号答题情况
    async downloadExamination(uid, body) {
        const { ctx } = this;
        try {
            console.log(uid);
            console.log(body);
            // 使用分数和时间排序后导出
            // const result = await ctx.model4.Examination.findAll({ where: { body } });
            // console.log(result);
            // return result.length == 0 ? false : result;
            return true;
        } catch (error) {
            const blockName = fileName + "--" + "downloadExamination";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }
}

module.exports = ContestExaminationService;