'use strict';

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

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

const moment = require('moment');

const fileName = "SNAdmin";

class SNAdminService extends Service {
  // 搜索可分配的SN号
  async searchAllocationSN() {
    const { ctx } = this;
    try {
      const where = { status: 0 };
      const result = await ctx.model3.SNNumber.findAll({ attributes: ['sn_number'], where });
      return result.length == 0 ? false : result;
    } catch (error) {
      const blockName = fileName + "--" + "searchAllocationSN";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }

  // 搜索可分配的单位用户
  async searchAllocationUser(body) {
    const { ctx } = this;
    try {
      const { mode } = body;
      const where = { status: { [Op.not]: 2 }, role: 1 };
      const bside = await ctx.model.BSide.findAll({ attributes: ['uid', 'account_name'], where });
      const buser = await ctx.model.BuserSNAdmin.findAll({ attributes: ['user_uid', 'length', 'sn_set'] });
      if (buser.length == 0) return false;
      const buserUidArr = [];
      let result = [];
      bside.forEach(element => {
        buser.filter(item => {
          buserUidArr.push(item.dataValues.user_uid);
          if (mode && item.dataValues.user_uid == element.dataValues.uid && item.dataValues.length > item.dataValues.sn_set.split(',').length) {
            element.dataValues.length = item.dataValues.length;
            element.dataValues.sn_set = item.dataValues.sn_set;
            result.push(element);
          }else if (!mode && item.dataValues.user_uid == element.dataValues.uid) {
            element.dataValues.length = item.dataValues.length;
            element.dataValues.sn_set = item.dataValues.sn_set;
            result.push(element);
          }
        });
      });
      if (mode) {
        const buserUidSet = new Set(buserUidArr);
        bside.filter(element => !buserUidSet.has(element.dataValues.uid)).forEach(item => {
          item.dataValues.length = 0;
          item.dataValues.sn_set = '';
          result.push(item);
        });
      }
      return result.length == 0 ? false : result;
    } catch (error) {
      const blockName = fileName + "--" + "searchAllocationUser";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }

  // 修改可管理的SN号数量
  async editSNCount(uid, body) {
    const { ctx } = this;
    try {
      const result = await ctx.model3.Insiders.findOne({ where: { uid } });
      if (!result || result.dataValues.role < 6) return false;
      const { user_uid, length } = body;
      const existence = await ctx.model.BuserSNAdmin.findOne({ attributes: ['length'], where: { user_uid: user_uid } });
      if (existence) {
        const adminResult = await ctx.model.BuserSNAdmin.update({ length }, { where: { user_uid: user_uid } });
        return adminResult[0] == 0 ? false : adminResult;
      } else {
        const adminResult = await ctx.model.BuserSNAdmin.create({ user_uid, length, sn_set: '' });
        return adminResult == 0 ? false : adminResult;
      }
    } catch (error) {
      const blockName = fileName + "--" + "editSNCount";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }

  // B端分配SN号
  async allocationSN(uid, body) {
    const { ctx } = this;
    try {
      const result = await ctx.model3.Insiders.findOne({ where: { uid } });
      if (!result || result.dataValues.role < 6) return false;
      const { user_uid, length, sn_set } = body;
      let status, sn_number;
      const existence = await ctx.model.BuserSNAdmin.findOne({ attributes: ['sn_set'], where: { user_uid: user_uid } });
      if (existence) {
        const adminResult = await ctx.model.BuserSNAdmin.update({ length, sn_set }, { where: { user_uid: user_uid } });
        if (adminResult[0] == 0) return false;
        const newSNArr = sn_set.split(',');
        const oldSNArr = existence.dataValues.sn_set.split(',');
        if (newSNArr.length > oldSNArr.length) {
          status = 4;
          sn_number = newSNArr.filter(item => !oldSNArr.includes(item));
        } else if (newSNArr.length < oldSNArr.length) {
          status = 0;
          sn_number = oldSNArr.filter(item => !newSNArr.includes(item));
        }
      } else {
        const adminResult = await ctx.model.BuserSNAdmin.create({ user_uid, length, sn_set });
        if (adminResult == 0) return false;
        status = 4;
        sn_number = sn_set.split(',');
      }
      const where = { sn_number };
      const updateMsg = { status, updated_at: new Date() };
      const resultList = await ctx.model3.SNNumber.update(updateMsg, { where });
      return resultList[0] == 0 ? false : resultList;
    } catch (error) {
      const blockName = fileName + "--" + "allocationSN";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }

  // 查看B端SN号分配记录
  async showAllocationSNRecord(body) {
    const { ctx } = this;
    try {
      let { offset, limit, searchOptions, sortOptions } = body;
      offset = (offset - 1) * limit;
      let attributes = ['user_uid', 'length', 'sn_set'],
        where = {}, order = [], dbOptions, joinSubstring = [],
        substring = ['user_uid', 'sn_set'],
        key = ['length'],
        between = [];
      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']);
        }
      });
      dbOptions = { attributes, offset, limit, where, order };
      dbOptions.limit = Math.floor(limit / 2);
      dbOptions.offset = Math.floor(offset / 2);
      const bside = await ctx.model.BSide.findAll({ attributes: ['uid', 'account_name'] });
      const result = await ctx.model.BuserSNAdmin.findAndCountAll(dbOptions);
      result.rows.forEach(element => {
        element.dataValues.account_name = '';
        bside.filter(item => {
          if (item.dataValues.uid == element.dataValues.user_uid) {
            element.dataValues.account_name = item.dataValues.account_name;
          }
        });
      });
      return result.rows.length == 0 ? false : result;
    } catch (error) {
      const blockName = fileName + "--" + "showAllocationSNRecord";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }

  // 删除B端SN号分配记录
  async deleteAllocationSNRecord(uid, modelType, password, requestMsg) {
    const { ctx } = this;
    const systemSNAdmin = {
      operate: 2,
      operate_msg: '删除SN号分配记录',
      type: 1,
      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) systemSNAdmin.status = 0;
        else if (result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt))) systemSNAdmin.status = 1;
        else if (result.dataValues.role < 9) systemSNAdmin.status = 2;
        await ctx.model3.Monitoring.create(systemSNAdmin);
        return false;
      };
      let where = {};
      if (modelType == "single") {
        const { sn_set } = requestMsg;
        where = { sn_set };
      } else if (modelType == "multiple") {
        let sn_set = [];
        for (const key in requestMsg) {
          requestMsg[key].forEach(element => {
            sn_set.push(element.sn_set)
          });
        }
        where = { sn_set };
      }
      const [bresultList] = await Promise.all([
        ctx.model.BuserSNAdmin.destroy({ where })
      ]);
      systemSNAdmin.status = bresultList == 0 ? 3 : 4;
      systemSNAdmin.affect_entries = bresultList;
      await ctx.model3.Monitoring.create(systemSNAdmin);
      return bresultList == 0 ? false : true;
    } catch (error) {
      systemSNAdmin.status = 5;
      await ctx.model3.Monitoring.create(systemSNAdmin);
      const blockName = fileName + "--" + "deleteAllocationSNRecord";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }

  // 管理系统导出B端SN号分配记录
  async downloadAllocationSNRecord(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', 'length', 'sn_set'],
        where = {}, order = [], dbOptions,
        joinSubstring = [],
        substring = ['user_uid', 'length', 'sn_set'],
        key = [],
        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)) {
            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, where, order };
      const [bresult, cresult] = await Promise.all([
        ctx.model.BuserSNAdmin.findAll(dbOptions),
        ctx.model2.CuserSNAdmin.findAll(dbOptions)
      ]);
      if (bresult.length == 0 && cresult.length == 0) return { code: false };
      let data = [];
      bresult.forEach(element => {
        data.push(element.dataValues);
      });
      cresult.forEach(element => {
        data.push(element.dataValues);
      });
      return { code: true, data };
    } catch (error) {
      const blockName = fileName + "--" + "downloadAllocationSNRecord";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }
}

module.exports = SNAdminService;