###################################################################
#           Copyright (c) 2021 by TAOS Technologies, Inc.
#                     All rights reserved.
#
#  This file is proprietary and confidential to TAOS Technologies.
#  No part of this file may be reproduced, stored, transmitted,
#  disclosed or used in any form or by any means other than as
#  expressly provided by the written permission from Jianhui Tao
#
###################################################################

# -*- coding: utf-8 -*-

import sys
from util.log import *
from util.cases import *
from util.sql import *


class TDTestCase:
    def caseDescription(self):
        '''
        case1<Ganlin Zhao>: [TD-12614] : Functions related to timeline should not support inner query group by tbname
        '''
        return

    def init(self, conn, logSql):
        tdLog.debug("start to execute %s" % __file__)
        tdSql.init(conn.cursor(), logSql)

        self.ts = 1420041600000 # 2015-01-01 00:00:00  this is begin time for first record
        self.num = 10

    def getBuildPath(self):
        selfPath = os.path.dirname(os.path.realpath(__file__))

        if ("community" in selfPath):
            projPath = selfPath[:selfPath.find("community")]
        else:
            projPath = selfPath[:selfPath.find("tests")]

        for root, dirs, files in os.walk(projPath):
            if ("taosd" in files):
                rootRealPath = os.path.dirname(os.path.realpath(root))
                if ("packaging" not in rootRealPath):
                    buildPath = root[:len(root) - len("/build/bin")]
                    break
        return buildPath

    def run(self):
        print("running {}".format(__file__))
        tdSql.execute("drop database if exists db")
        tdSql.execute("create database if not exists db")
        tdSql.execute('use db')

        #Prepare data
        tdSql.execute("create stable st (ts timestamp , id int , value double) tags(hostname binary(10) ,ind int);")
        for i in range(self.num):
            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+100*i,i*2,i+10.00))
            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+200*i,i*2,i+10.00))
            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+300*i,i*2,i+10.00))
            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+10000*i,i*2,i+10.00))

        #execute query
        tdSql.error(' select elapsed(ts) from (select csum(value) from st group by tbname );')
        tdSql.error(' select elapsed(ts) from (select diff(value) from st group by tbname );')
        tdSql.error(' select twa(value) from (select csum(value) value from st group by tbname );')
        tdSql.error(' select twa(value) from (select diff(value) value from st group by tbname );')

        tdSql.execute('drop database db')
    def stop(self):
        tdSql.close()
        tdLog.success("%s successfully executed" % __file__)


tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())