'use strict';

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

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

const fileName = "Importerror";

class ImporterrorService extends Service {
    // 查看导入错误记录
    async showImporterror(body) {
        const { ctx } = this;
        try {
            let { offset, limit, searchOptions, sortOptions } = body;
            offset = (offset - 1) * limit;
            let attributes = ['user_name', 'identity_card', 'exam_uid', 'type', 'status', 'created_at'],
                where = {}, order = [], dbOptions, joinSubstring = [],
                substring = ['user_name', 'identity_card', 'exam_uid'],
                key = ['type', 'status'],
                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']);
                }
            });

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

            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 include = [
                {
                    model: ctx.model.Examination,
                    attributes: ['exam_name'],
                    where: examinationWhere,
                    order: examinationOrder
                }
            ];
            ctx.model.Importerror.belongsTo(ctx.model.Examination, { foreignKey: 'exam_uid', targetKey: 'uid' });
            dbOptions = { attributes, offset, limit, where, order, include };
            const result = await ctx.model.Importerror.findAndCountAll(dbOptions);
            return result.rows.length == 0 ? false : result;
        } catch (error) {
            const blockName = fileName + "--" + "showImporterror";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 删除导入错误记录
    async deleteImporterror(uid, modelType, password, requestMsg) {
        const { ctx } = this;
        const systemImporterror = {
            operate: 2,
            operate_msg: '删除导入错误记录',
            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) systemImporterror.status = 0;
                else if (result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt))) systemImporterror.status = 1;
                else if (result.dataValues.role < 2) systemImporterror.status = 2;
                await ctx.model.Importerror.create(systemImporterror);
                return false;
            };
            let where = {};
            if (modelType == "single") {
                const { identity_card, exam_uid, created_at } = requestMsg;
                where = { identity_card, exam_uid, created_at };
            } else if (modelType == "multiple") {
                let identity_card = [], exam_uid = [], created_at = [];
                for (const key in requestMsg) {
                    requestMsg[key].forEach(element => {
                        identity_card.push(element.identity_card),
                        exam_uid.push(element.exam_uid),
                        created_at.push(element.created_at)
                    });
                }
                where = { identity_card, exam_uid, created_at };
            }
            const resultList = await ctx.model.Importerror.destroy({ where });
            systemImporterror.status = resultList == 0 ? 3 : 4;
            systemImporterror.affect_entries = resultList;
            await ctx.model.Importerror.create(systemImporterror);
            return resultList == 0 ? false : true;
        } catch (error) {
            systemImporterror.status = 5;
            await ctx.model.Importerror.create(systemImporterror);
            const blockName = fileName + "--" + "deleteImporterror";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }
}

module.exports = ImporterrorService;