'use strict';

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

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

const moment = require('moment');

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, searchMsg) {
    const { ctx } = this;
    try {
      const user = await ctx.model3.Insiders.findOne({ where: { uid } });
      if (!user || user.dataValues.role < 3) return false;
      let { searchOptions, sortOptions } = searchMsg;
      let attributes = ['user_uid', 'contest_uid', 'exam_type', 'topic_type', 'topic1', 'topic2', 'topic3', 'topic5', 'answer', 'answer1', 'answer2', 'answer3', 'answer4', 'answer5', 'score', 'score_collection', 'created_at', 'updated_at'],
        where = {}, order = [], dbOptions,
        joinSubstring = [],
        substring = ['user_uid', 'contest_uid', 'topic1', 'topic2', 'topic3', 'topic5', 'answer', 'answer1', 'answer2', 'answer3', 'answer4', 'answer5', 'score', 'score_collection'],
        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']);
        }
      });
      let include = [
        {
          model: ctx.model4.Account,
          attributes: ['account_name']
        },
        {
          model: ctx.model4.Contest,
          attributes: ['contest_name']
        }
      ];
      ctx.model4.Examination.belongsTo(ctx.model4.Account, { foreignKey: 'user_uid', targetKey: 'uid' });
      ctx.model4.Examination.belongsTo(ctx.model4.Contest, { foreignKey: 'contest_uid', targetKey: 'uid' });
      dbOptions = { attributes, where, order, include };
      const result = await ctx.model4.Examination.findAll(dbOptions);
      if (result.length == 0) return { code: false };
      let data = [];
      const examTypeOptions = [
        {
          value: "0",
          label: "线上赛"
        },
        {
          value: "1",
          label: "线下赛"
        }
      ];
      const topicTypeOptions = [
        {
          value: "1",
          label: "1"
        },
        {
          value: "2",
          label: "2"
        },
        {
          value: "3",
          label: "3"
        },
        {
          value: "4",
          label: "4"
        },
        {
          value: "5",
          label: "5"
        },
      ];
      result.forEach(element => {
        examTypeOptions.forEach((item) => {
          if (item.value == element.dataValues["exam_type"]) {
            element.dataValues["exam_type"] = item.label;
          }
        });
        topicTypeOptions.forEach((item) => {
          if (item.value == element.dataValues["topic_type"]) {
            element.dataValues["topic_type"] = item.label;
          }
        });
        element.dataValues.account_name = element.dataValues.account.dataValues.account_name;
        element.dataValues.contest_name = element.dataValues.contest.dataValues.contest_name;
        element.dataValues.created_at = moment
          .utc(element.dataValues.created_at)
          .add(8, "hours")
          .format("YYYY年MM月DD日HH时mm分ss秒");
        element.dataValues.updated_at = moment
          .utc(element.dataValues.updated_at)
          .add(8, "hours")
          .format("YYYY年MM月DD日HH时mm分ss秒");
        delete element.dataValues.account;
        delete element.dataValues.contest;
        data.push(element.dataValues);
      });
      return { code: true, data };
    } catch (error) {
      const blockName = fileName + "--" + "downloadExamination";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }
}

module.exports = ContestExaminationService;