'use strict';

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

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

const moment = require('moment');

const fileName = "Grades";

class GradesService extends Service {
    // 管理系统新增用户考试结果
    async addGrades(userMsgObj, form) {
        const { ctx } = this;
        try {
            let attributes = ['uid', 'user_name', 'identity_card'],
            where = userMsgObj,
            dbOptions = { attributes, where };
        const userUid = await ctx.model.Examinee.findAll(dbOptions);
        if(userUid.length == 0) {
            let errorForm = [];
            form.forEach(item => {
                errorForm.push({
                    user_name: item.user_name,
                    identity_card: item.identity_card,
                    exam_uid: item.exam_uid,
                    type: 1,
                    status: 0,
                    created_at: new Date()
                });
            });
            await ctx.model.Importerror.bulkCreate(errorForm);
            return { code: 400 };
        };
        let errorMark = false;
        form.forEach(async item => {
            item.user_uid = 'none';
            userUid.forEach(element => {
                if (item.user_name == element.dataValues.user_name && item.identity_card == element.dataValues.identity_card) {
                    item.user_uid = element.dataValues.uid;
                }
            });
            delete item.user_name;
            delete item.identity_card;
            if (item.user_uid == 'none') {
                let errorForm = {
                    user_name: item.user_name,
                    identity_card: item.identity_card,
                    exam_uid: item.exam_uid,
                    type: 1,
                    status: 0,
                    created_at: new Date()
                };
                errorMark = true;
                await ctx.model.Importerror.create(errorForm);
            }
        });
        const result = await ctx.model.Grades.bulkCreate(form, { ignoreDuplicates: true });
        return result.length == 0 ? false : errorMark ? { code: 300, data: result } : { code: 200, data: result };
        } catch (error) {
            const blockName = fileName + "--" + "addGrades";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 管理系统查看用户考试结果
    async showGrades(uid, body) {
        const { ctx } = this;
        try {
            let { offset, limit, searchOptions, sortOptions } = body;
            offset = (offset - 1) * limit;
            let attributes = ['user_uid', 'exam_uid', 'status', 'grades', 'pass_type'],
                where = {}, order = [], dbOptions,
                joinSubstring = ['grades'],
                substring = ['user_uid', 'exam_uid'],
                key = ['status', 'pass_type'],
                between = [];
            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)) {
                        where[element] = { [Op.substring]: searchOptions[element] };
                    } 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']);
                }
            });

            let examination = ['exam_name', 'exam_start', 'exam_end'],
                examinationWhere = {},
                examinationOrder = [],
                examinationJoinSubstring = [],
                examinationSubstring = ['exam_name'],
                examinationKey = [],
                examinationBetween = ['exam_start', 'exam_end'];

            examination.forEach(item => {
                if (searchOptions[item]) {
                    if (searchOptions[item] == '*空') {
                        if (examinationJoinSubstring.includes(item)) {
                            examinationWhere[item] = null;
                        } else {
                            examinationWhere[item] = [null, ''];
                        }
                    } else if (examinationSubstring.includes(item)) {
                        examinationWhere[item] = { [Op.substring]: searchOptions[item] };
                    } else if (examinationKey.includes(item)) {
                        examinationWhere[item] = searchOptions[item];
                    } else if (examinationBetween.includes(item)) {
                        examinationWhere[item] = { [Op.between]: [searchOptions[item][0], searchOptions[item][1]] };
                    }
                }
                if (sortOptions[item] == true) {
                    examinationOrder.push([item, 'ASC']);
                } else if (sortOptions[item] == false) {
                    examinationOrder.push([item, 'DESC']);
                }
            });

            let examinee = ['user_name', 'identity_card', 'workplace', 'phone'],
                examineeWhere = {},
                examineeOrder = [],
                examineeJoinSubstring = [],
                examineeSubstring = ['user_name', 'identity_card', 'workplace', 'phone'],
                examineeKey = [],
                examineeBetween = [];

            examinee.forEach(item => {
                if (searchOptions[item]) {
                    if (searchOptions[item] == '*空') {
                        if (examineeJoinSubstring.includes(item)) {
                            examineeWhere[item] = null;
                        } else {
                            examineeWhere[item] = [null, ''];
                        }
                    } else if (examineeSubstring.includes(item)) {
                        examineeWhere[item] = { [Op.substring]: searchOptions[item] };
                    } else if (examineeKey.includes(item)) {
                        examineeWhere[item] = searchOptions[item];
                    } else if (examineeBetween.includes(item)) {
                        examineeWhere[item] = { [Op.between]: [searchOptions[item][0], searchOptions[item][1]] };
                    }
                }
                if (sortOptions[item] == true) {
                    examineeOrder.push([item, 'ASC']);
                } else if (sortOptions[item] == false) {
                    examineeOrder.push([item, 'DESC']);
                }
            });
            let include = [
                {
                    model: ctx.model.Examinee,
                    attributes: ['user_name', 'identity_card', 'workplace', 'phone'],
                    where: examineeWhere,
                    order: examineeOrder
                },
                {
                    model: ctx.model.Examination,
                    attributes: ['exam_name', 'exam_start', 'exam_end'],
                    where: examinationWhere,
                    order: examinationOrder
                }
            ];
            ctx.model.Grades.belongsTo(ctx.model.Examinee, { foreignKey: 'user_uid', targetKey: 'uid' });
            ctx.model.Grades.belongsTo(ctx.model.Examination, { foreignKey: 'exam_uid', targetKey: 'uid' });
            dbOptions = { attributes, offset, limit, where, order, include };
            const result = await ctx.model.Grades.findAndCountAll(dbOptions);
            return result.rows.length == 0 ? false : result;
        } catch (error) {
            const blockName = fileName + "--" + "showGrades";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 管理系统编辑用户考试结果
    async editGrades(uid, modelType, updateMsg, requestMsg) {
        const { ctx } = this;
        try {
            const result = await ctx.model.Manager.findOne({ where: { uid } });
            if (!result || result.dataValues.role < 1) return false;
            let where = {};
            if (modelType == "single") {
                const { user_uid, exam_uid, status, grades, pass_type } = requestMsg;
                where = { user_uid, exam_uid, status, grades, pass_type };
            } else if (modelType == "multiple") {
                let user_uid = [], exam_uid = [], status = [], pass_type = [];
                for (const key in requestMsg) {
                  requestMsg[key].forEach(element => {
                    user_uid.push(element.user_uid);
                    exam_uid.push(element.exam_uid);
                    status.push(element.status);
                    pass_type.push(element.pass_type);
                  });
                }
                where = { user_uid, exam_uid, status, pass_type };
            }
            const resultList = await ctx.model.Grades.update(updateMsg, { where });
            return resultList[0] == 0 ? false : resultList;
        } catch (error) {
            const blockName = fileName + "--" + "editGrades";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 管理系统删除考生考试成绩
    async deleteGrades(uid, modelType, password, requestMsg) {
        const { ctx } = this;
        const systemMonitoring = {
          operate: 2,
          operate_msg: '删除考生考试成绩信息',
          type: 0,
          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_uid, exam_uid, status, grades, pass_type } = requestMsg;
            where = { user_uid, exam_uid, status, grades, pass_type };
        } else if (modelType == "multiple") {
            let user_uid = [], exam_uid = [], status = [], grades = [], pass_type = [];
            for (const key in requestMsg) {
              requestMsg[key].forEach(element => {
                user_uid.push(element.user_uid);
                exam_uid.push(element.exam_uid);
                status.push(element.status);
                grades.push(element.grades);
                pass_type.push(element.pass_type);
              });
            }
            where = { user_uid, exam_uid, status, grades, pass_type };
        }
          const resultList = await ctx.model.Grades.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 + "--" + "deleteGrades";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 管理系统导出考生考试结果数据
    async downloadGradesData(uid, searchMsg) {
        const { ctx } = this;
        try {
            const user = await ctx.model.Manager.findOne({ where: { uid } });
            if (!user || user.dataValues.role < 1) return false;
            let { searchOptions, sortOptions } = searchMsg;
            let attributes = ['user_uid', 'exam_uid', 'status', 'grades', 'pass_type'],
                where = {}, order = [], dbOptions,
                joinSubstring = ['grades'],
                substring = ['user_uid', 'exam_uid'],
                key = ['status', 'pass_type'],
                between = [];
            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)) {
                        where[element] = { [Op.substring]: searchOptions[element] };
                    } 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']);
                }
            });

            let examination = ['exam_name', 'exam_start', 'exam_end'],
                examinationWhere = {},
                examinationOrder = [],
                examinationJoinSubstring = [],
                examinationSubstring = ['exam_name'],
                examinationKey = [],
                examinationBetween = ['exam_start', 'exam_end'];

            examination.forEach(item => {
                if (searchOptions[item]) {
                    if (searchOptions[item] == '*空') {
                        if (examinationJoinSubstring.includes(item)) {
                            examinationWhere[item] = null;
                        } else {
                            examinationWhere[item] = [null, ''];
                        }
                    } else if (examinationSubstring.includes(item)) {
                        examinationWhere[item] = { [Op.substring]: searchOptions[item] };
                    } else if (examinationKey.includes(item)) {
                        examinationWhere[item] = searchOptions[item];
                    } else if (examinationBetween.includes(item)) {
                        examinationWhere[item] = { [Op.between]: [searchOptions[item][0], searchOptions[item][1]] };
                    }
                }
                if (sortOptions[item] == true) {
                    examinationOrder.push([item, 'ASC']);
                } else if (sortOptions[item] == false) {
                    examinationOrder.push([item, 'DESC']);
                }
            });

            let examinee = ['user_name', 'identity_card', 'workplace', 'phone'],
                examineeWhere = {},
                examineeOrder = [],
                examineeJoinSubstring = [],
                examineeSubstring = ['user_name', 'identity_card', 'workplace', 'phone'],
                examineeKey = [],
                examineeBetween = [];

            examinee.forEach(item => {
                if (searchOptions[item]) {
                    if (searchOptions[item] == '*空') {
                        if (examineeJoinSubstring.includes(item)) {
                            examineeWhere[item] = null;
                        } else {
                            examineeWhere[item] = [null, ''];
                        }
                    } else if (examineeSubstring.includes(item)) {
                        examineeWhere[item] = { [Op.substring]: searchOptions[item] };
                    } else if (examineeKey.includes(item)) {
                        examineeWhere[item] = searchOptions[item];
                    } else if (examineeBetween.includes(item)) {
                        examineeWhere[item] = { [Op.between]: [searchOptions[item][0], searchOptions[item][1]] };
                    }
                }
                if (sortOptions[item] == true) {
                    examineeOrder.push([item, 'ASC']);
                } else if (sortOptions[item] == false) {
                    examineeOrder.push([item, 'DESC']);
                }
            });
            let include = [
                {
                    model: ctx.model.Examinee,
                    attributes: ['user_name', 'identity_card', 'workplace', 'phone'],
                    where: examineeWhere,
                    order: examineeOrder
                },
                {
                    model: ctx.model.Examination,
                    attributes: ['exam_name', 'exam_start', 'exam_end'],
                    where: examinationWhere,
                    order: examinationOrder
                }
            ];
            ctx.model.Grades.belongsTo(ctx.model.Examinee, { foreignKey: 'user_uid', targetKey: 'uid' });
            ctx.model.Grades.belongsTo(ctx.model.Examination, { foreignKey: 'exam_uid', targetKey: 'uid' });
            dbOptions = { attributes, where, order, include };
            const result = await ctx.model.Grades.findAll(dbOptions);
            if (result.length == 0) return { code: false };
            let data = [];
            const statusOptions = [
                {
                    value: "0",
                    label: "旷考"
                },
                {
                    value: "1",
                    label: "正常参与"
                },
                {
                    value: "2",
                    label: "考试作弊"
                },
            ];
            const passTypeOptions = [
                {
                    value: "0",
                    label: "成绩不及格"
                },
                {
                    value: "1",
                    label: "成绩及格"
                },
                {
                    value: "2",
                    label: "无成绩"
                },
            ];
            result.forEach(element => {
                statusOptions.forEach((item) => {
                    if (item.value == element.dataValues["status"]) {
                        element.dataValues["status"] = item.label;
                    }
                });
                passTypeOptions.forEach((item) => {
                    if (item.value == element.dataValues["pass_type"]) {
                        element.dataValues["pass_type"] = item.label;
                    }
                });
                element.dataValues.user_name = element.dataValues.examinee.dataValues.user_name;
                element.dataValues.identity_card = element.dataValues.examinee.dataValues.identity_card;
                element.dataValues.exam_name = element.dataValues.examination.dataValues.exam_name;
                element.dataValues.exam_start = moment
                    .utc(element.dataValues.examination.dataValues.exam_start)
                    .add(8, "hours")
                    .format("YYYY年MM月DD日HH时mm分ss秒");
                element.dataValues.exam_end = moment
                    .utc(element.dataValues.examination.dataValues.exam_end)
                    .add(8, "hours")
                    .format("YYYY年MM月DD日HH时mm分ss秒");
                delete element.dataValues.examinee;
                delete element.dataValues.examination;
                let elementClone = {
                    user_uid: element.dataValues.user_uid,
                    user_name: element.dataValues.user_name,
                    identity_card: element.dataValues.identity_card,
                    exam_uid: element.dataValues.exam_uid,
                    exam_name: element.dataValues.exam_name,
                    status: element.dataValues.status,
                    grades: element.dataValues.grades,
                    pass_type: element.dataValues.pass_type,
                    exam_start: element.dataValues.exam_start,
                    exam_end: element.dataValues.exam_end,
                }
                data.push(elementClone);
            });
            return { code: true, data };
        } catch (error) {
            const blockName = fileName + "--" + "downloadGradesData";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }
}

module.exports = GradesService;