# author : wenzhouwww
from ssl import ALERT_DESCRIPTION_CERTIFICATE_UNOBTAINABLE
import taos
import sys
import time
import os 

from util.log import *
from util.sql import *
from util.cases import *
from util.dnodes import TDDnodes
from util.dnodes import TDDnode
from util.cluster import *

import time
import socket
import subprocess ,threading
sys.path.append(os.path.dirname(__file__))

class TDTestCase:
    def init(self, conn, logSql, replicaVar=1):
        self.replicaVar = int(replicaVar)
        tdLog.debug(f"start to excute {__file__}")
        tdSql.init(conn.cursor())
        self.host = socket.gethostname()
        self.mnode_list = {}
        self.dnode_list = {}
        self.ts = 1483200000000
        self.db_name ='testdb'
        self.replica = 3 
        self.vgroups = 1
        self.tb_nums = 10 
        self.row_nums = 100
        self.query_times = 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 check_setup_cluster_status(self):
        tdSql.query("select * from information_schema.ins_mnodes")
        for mnode in tdSql.queryResult:
            name = mnode[1]
            info = mnode
            self.mnode_list[name] = info

        tdSql.query("select * from information_schema.ins_dnodes")
        for dnode in tdSql.queryResult:
            name = dnode[1]
            info = dnode
            self.dnode_list[name] = info

        count = 0
        is_leader = False
        mnode_name = ''
        for k,v in self.mnode_list.items():
            count +=1
            # only for 1 mnode
            mnode_name = k

            if v[2] =='leader':
                is_leader=True

        if count==1 and is_leader:
            tdLog.notice("===== depoly cluster success with 1 mnode as leader =====")
        else:
            tdLog.exit("===== depoly cluster fail with 1 mnode as leader =====")

        for k ,v in self.dnode_list.items():
            if k == mnode_name:
                if v[3]==0:
                    tdLog.notice("===== depoly cluster mnode only success at {} , support_vnodes is {} ".format(mnode_name,v[3]))
                else:
                    tdLog.exit("===== depoly cluster mnode only fail at {} , support_vnodes is {} ".format(mnode_name,v[3]))
            else:
                continue

    def create_db_check_vgroups(self):

        tdSql.execute("drop database if exists test")
        tdSql.execute("create database if not exists test replica 1 duration 300")
        tdSql.execute("use test")
        tdSql.execute(
        '''create table stb1
        (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
        tags (t1 int)
        '''
        )
        tdSql.execute(
            '''
            create table t1
            (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
            '''
        )
        
        for i in range(5):
            tdSql.execute("create table sub_tb_{} using stb1 tags({})".format(i,i))
        tdSql.query("show stables")
        tdSql.checkRows(1)
        tdSql.query("show tables")
        tdSql.checkRows(6)

        tdSql.query("show test.vgroups;")
        vgroups_infos = {}  # key is id: value is info list
        for vgroup_info in tdSql.queryResult:
            vgroup_id = vgroup_info[0]
            tmp_list = []
            for role in vgroup_info[3:-4]:
                if role in ['leader','leader*', 'leader**','follower']:
                    tmp_list.append(role)
            vgroups_infos[vgroup_id]=tmp_list

        for k , v in vgroups_infos.items():
            if len(v) == 1 and v[0] in ['leader', 'leader*', 'leader**']:
                tdLog.notice(" === create database replica only 1 role leader  check success of vgroup_id {} ======".format(k))
            else:
                tdLog.exit(" === create database replica only 1 role leader  check fail of vgroup_id {} ======".format(k))

    def create_db_replica_3_insertdatas(self, dbname, replica_num ,vgroup_nums ,tb_nums , row_nums ):
        newTdSql=tdCom.newTdSql()
        drop_db_sql = "drop database if exists {}".format(dbname)
        create_db_sql = "create database {} replica {} vgroups {}".format(dbname,replica_num,vgroup_nums)

        tdLog.notice(" ==== create database {} and insert rows begin =====".format(dbname))
        newTdSql.execute(drop_db_sql)
        newTdSql.execute(create_db_sql)
        newTdSql.execute("use {}".format(dbname))
        newTdSql.execute(
        '''create table stb1
        (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(32),c9 nchar(32), c10 timestamp)
        tags (t1 int)
        '''
        )
        newTdSql.execute(
            '''
            create table t1
            (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(32),c9 nchar(32), c10 timestamp)
            '''
        )
        
        for i in range(tb_nums):
            sub_tbname = "sub_tb_{}".format(i)
            newTdSql.execute("create table {} using stb1 tags({})".format(sub_tbname,i))
            # insert datas about new database

            for row_num in range(row_nums):
                ts = self.ts + 1000*row_num
                newTdSql.execute(f"insert into {sub_tbname} values ({ts}, {row_num} ,{row_num}, 10 ,1 ,{row_num} ,{row_num},true,'bin_{row_num}','nchar_{row_num}',now) ")

        tdLog.notice(" ==== create database {} and insert rows execute end =====".format(dbname))

    

    def check_insert_status(self,newTdSql , dbname, tb_nums , row_nums):
        # newTdSql=tdCom.newTdSql()
        newTdSql.execute("use {}".format(dbname))
        newTdSql.query("select count(*) from {}.{}".format(dbname,'stb1'))
        # tdSql.checkData(0 , 0 , tb_nums*row_nums)
        newTdSql.query("select distinct tbname from {}.{}".format(dbname,'stb1'))
        # tdSql.checkRows(tb_nums)

    def loop_query_constantly(self, times ,  db_name, tb_nums ,row_nums):
        newTdSql=tdCom.newTdSql()
        for loop_time in range(times):
            tdLog.debug(" === query is going ,this is {}_th query === ".format(loop_time))
            self.check_insert_status( newTdSql ,db_name, tb_nums , row_nums)

    def loop_create_databases(self, times , tb_nums , row_nums):
        newTdSql=tdCom.newTdSql()
        for loop_time in range(times):
            tdLog.debug(" === create database and insert datas is going ,this is {}_th create === ".format(loop_time))
            db_name = 'loop_db_{}'.format(loop_time)
            self.create_db_replica_3_insertdatas(db_name , self.replica , self.vgroups , tb_nums , row_nums)
            self.check_insert_status( newTdSql ,db_name, tb_nums , row_nums)

    def run(self): 
        self.check_setup_cluster_status()
        self.create_db_check_vgroups()

        # create mnode 
        tdSql.execute("create mnode on dnode 2 ")
        tdSql.execute("create mnode on dnode 3 ")
        os.system("taos -s 'select * from information_schema.ins_mnodes;'")
        # start writing constantly 
        writing = threading.Thread(target = self.create_db_replica_3_insertdatas, args=(self.db_name , self.replica , self.vgroups , self.tb_nums , self.row_nums))
        writing.start()
        tdSql.query(" show {}.stables ".format(self.db_name))
        while not tdSql.queryResult:
            print(tdSql.queryResult)
            time.sleep(0.1)
            tdSql.query(" show {}.stables ".format(self.db_name))

        reading = threading.Thread(target = self.loop_query_constantly, args=(self.query_times,self.db_name , self.tb_nums , self.row_nums))
        reading.start()

        create_db = threading.Thread(target = self.loop_create_databases, args=(5, 10 , 10))
        create_db.start()
        
        writing.join()
        reading.join()
        create_db.join()

    def stop(self):
        tdSql.close()
        tdLog.success(f"{__file__} successfully executed")

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