'use strict';

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

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

const fileName = "System";

class SystemService extends Service {
    // 系统获取考试信息接口
    async examMsg() {
        const { ctx } = this;
        try {
            // 该接口只返回可报名的考试信息，即 status 为 0 的考试信息
            const where = { status: 0 };
            const result = await ctx.model.Examination.findAll({ where });
            return result.length == 0 ? false : result;
        } catch (error) {
            const blockName = fileName + "--" + "examMsg";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 比较身份证号
    async diffIdentityCard(identity_card, type, uid) {
        const { ctx } = this;
        try {
            let attributes = ['identity_card'],
                where = { identity_card },
                dbOptions = { attributes, where };
            const search = await ctx.model.Examinee.findAll(dbOptions);
            if (type == 'register') {
                return search.length == 0;
            } else if (type == 'edit') {
                where = { uid };
                dbOptions = { attributes, where };
                const result = await ctx.model.Examinee.findOne(dbOptions);
                return result.dataValues.identity_card == identity_card ? true : search.length == 0;
            }
        } catch (error) {
            const blockName = fileName + "--" + "diffIdentityCard";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 比较邮箱
    async diffEmail(email, type, uid) {
        const { ctx } = this;
        try {
            let attributes = ['email'],
                where = { email },
                dbOptions = { attributes, where };
            const search = await ctx.model.Examinee.findAll(dbOptions);
            if (type == 'register') {
                return search.length == 0;
            } else if (type == 'edit') {
                where = { uid };
                dbOptions = { attributes, where };
                const result = await ctx.model.Examinee.findOne(dbOptions);
                return result.dataValues.email == email ? true : search.length == 0;
            }
        } catch (error) {
            const blockName = fileName + "--" + "diffEmail";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 比较电话号码
    async diffPhone(phone, type, uid) {
        const { ctx } = this;
        try {
            let attributes = ['phone'],
                where = { phone },
                dbOptions = { attributes, where };
            const search = await ctx.model.Examinee.findAll(dbOptions);
            if (type == 'register') {
                return search.length == 0;
            } else if (type == 'edit') {
                where = { uid };
                dbOptions = { attributes, where };
                const result = await ctx.model.Examinee.findOne(dbOptions);
                return result.dataValues.phone == phone ? true : search.length == 0;
            }
        } catch (error) {
            const blockName = fileName + "--" + "diffPhone";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }

    // 用户注册接口
    async registered(form, auditForm) {
        const { ctx } = this;
        try {
            const result = await ctx.model.Examinee.create(form);
            await ctx.model.Audit.create(auditForm);
            return result ? true : false;
        } catch (error) {
            const blockName = fileName + "--" + "registered";
            ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
            return 'error';
        }
    }
}

module.exports = SystemService;