'use strict';
const moment = require('moment')
const request = require('superagent');

module.exports = function (app, opts) {

   async function memberList ({
      keywordTarget, keyword, limit, page, state,
      hiredateStart, hiredateEnd
   }) {
      const { judgeHoliday } = app.fs.utils
      const { clickHouse } = app.fs
      const { database: pepEmis } = clickHouse.pepEmis.opts.config

      const curDay = moment().format('YYYY-MM-DD')
      const nowTime = moment()
      let whereOption = []
      let whereFromSelectOption = []
      let returnEmpty = false
      if (state == 'inOffice') {
         // 在岗
         const holidayJudge = await judgeHoliday(curDay)
         if (holidayJudge) {
            if (
               holidayJudge.workday
               && nowTime.isAfter(moment(curDay + ' 08:30'))
               && nowTime.isBefore(moment(curDay + ' 17:30'))
            ) {
               // 在工作日的工作时间范围 无请假记录
               whereFromSelectOption.push(`vacateStartTime = '1970-01-01 00:00:00.000000'`)
            } else {
               returnEmpty = true
            }
         } else {
            returnEmpty = true
         }
      }
      if (state == 'dayoff') {
         // 放假
         const holidayJudge = await judgeHoliday(curDay)
         if (holidayJudge) {
            if (
               holidayJudge.dayoff || holidayJudge.festivals
            ) {
               // 在休息日范围内且无加班申请
               whereFromSelectOption.push(`overtimeStartTime = '1970-01-01 00:00:00.000000'`)
            } else {
               returnEmpty = true
            }
         } else {
            returnEmpty = true
         }
      }
      if (returnEmpty) {
         return {
            count: 0,
            rows: []
         }
      }

      const innerSelectQuery = `
         FROM member
         INNER JOIN ${pepEmis}.user AS user
            ON member.pep_user_id = user.id
            ${keywordTarget == 'number' && keyword ? `
               AND toString(user.id) LIKE '%${keyword}%'
            `: ''}
            ${keywordTarget == 'name' && keyword ? `
               AND user.name LIKE '%${keyword}%'
            `: ''}
         ${state == 'vacate' ? 'INNER' : 'LEFT'} JOIN (
            SELECT 
               pep_user_id, 
               any(start_time) AS vacateStartTime,
               any(end_time) AS vacateEndTime
            FROM vacate
            WHERE
               start_time <= '${nowTime.format('YYYY-MM-DD HH:mm:ss')}'
               AND end_time > '${nowTime.format('YYYY-MM-DD HH:mm:ss')}'
            GROUP BY pep_user_id
         ) AS hrVacate
            ON hrVacate.pep_user_id = member.pep_user_id
         
         LEFT JOIN (
            SELECT 
               pep_user_id, 
               any(start_time) AS overtimeStartTime,
               any(end_time) AS overtimeEndTime
            FROM overtime
            WHERE
               start_time <= '${nowTime.format('YYYY-MM-DD HH:mm:ss')}'
               AND end_time > '${nowTime.format('YYYY-MM-DD HH:mm:ss')}'
            GROUP BY pep_user_id
         ) AS hrOvertime
            ON hrOvertime.pep_user_id = member.pep_user_id

         WHERE 
            member.del = 0
            ${keywordTarget == 'role' && keyword ? `
               AND user.id IN (
                  SELECT user_role.user
                  FROM ${pepEmis}.user_role AS user_role
                  INNER JOIN ${pepEmis}.role AS role
                     ON role.id = user_role.role
                     AND role.name LIKE '%${keyword}%'
               )
            ` : ''}
            ${keywordTarget == 'dep' && keyword ? `
               AND user.id IN (
                  SELECT department_user.user
                  FROM ${pepEmis}.department_user AS department_user
                  INNER JOIN ${pepEmis}.department AS department
                     ON department.id = department_user.department
                     AND department.name LIKE '%${keyword}%'
               )
            ` : ''}
            ${state == 'dimission' ? `AND member.dimission_date IS NOT null` : ''}
            ${state == 'onJob' ? `AND member.dimission_date IS null` : ''}
            ${whereFromSelectOption.length ? `AND ${whereFromSelectOption.join('AND')}` : ''}
            ${hiredateStart ? `
               AND member.hiredate >= '${moment(hiredateStart).format('YYYY-MM-DD')}'
            `: ''}
            ${hiredateEnd ? ` 
               AND member.hiredate <= '${moment(hiredateEnd).format('YYYY-MM-DD')}'
            ` : ''}
      `

      const userRes = await clickHouse.hr.query(`
         SELECT 
            hrMember."member.pep_user_id" AS pepUserId,
            hrMember.*,
            user.name AS userName,
            user.people_code AS userCode,
            role.name AS roleName,
            role.id AS roleId,
            department.name AS depName,
            department.id AS depId
         FROM (
            SELECT 
               member.*,
               hrVacate.vacateStartTime AS vacateStartTime,
               hrVacate.vacateEndTime AS vacateEndTime,
               hrOvertime.overtimeStartTime AS overtimeStartTime,
               hrOvertime.overtimeEndTime AS overtimeEndTime
            ${innerSelectQuery}
            ${limit ? `LIMIT ${limit}` : ''}
            ${limit && page ? 'OFFSET ' + parseInt(limit) * parseInt(page) : ''}
         ) AS hrMember

            LEFT JOIN ${pepEmis}.user AS user
               ON hrMember."member.pep_user_id" = user.id
            LEFT JOIN ${pepEmis}.user_role AS user_role
               ON ${pepEmis}.user_role.user = user.id
            LEFT JOIN ${pepEmis}.role AS role
               ON ${pepEmis}.role.id = user_role.role
            LEFT JOIN ${pepEmis}.department_user AS department_user
               ON department_user.user = user.id
            LEFT JOIN ${pepEmis}.department AS department
               ON department.id = department_user.department
            ${whereOption.length ? `WHERE ${whereOption.join(' AND ')}` : ''}
      `).toPromise()

      const countRes = await clickHouse.hr.query(`
         SELECT
            count(member.pep_user_id) AS count
         ${innerSelectQuery}
      `).toPromise()

      return {
         count: countRes[0].count,
         rows: userRes
      }
   }

   return {
      memberList
   }
}