import psycopg2 as pg2
from config import config

db_name = config['db']['db_name']
db_user = config['db']['db_user']
db_password = config['db']['db_password']
db_port = config['db']['db_port']

#with open("list") as data:
#    lines = data.readlines()
 
#numbers=[]
#for line in lines:
#    numbers.append(line.split())

#conn = pg2.connect("host = localhost dbname={} user={} password={} port={}".format(db_name,db_user,db_password,db_port))

#conn.autocommit = True
#cur = conn.cursor()


def setconn(u_id, vm_num, vm_port,vm_host):
    conn = pg2.connect("host = localhost dbname={} user={} password={} port={}".format(db_name,db_user,db_password,db_port))
    conn.autocommit = True
    cur = conn.cursor() 
#for con in numbers:
    #u_id = con[0]
    #vm_num = con[1]
    #vm_port = con[2]
    #vm_host = con[3]
    cur.execute("SELECT entity_id FROM guacamole_entity WHERE name = '{}'".format(u_id))
    row = cur.fetchone()
    if row == None:
        cur.execute("INSERT INTO guacamole_entity (name, type) VALUES ('{}','USER')".format(u_id))    
        cur.execute("SELECT entity_id FROM guacamole_entity WHERE name = '{}'".format(u_id))
        row = cur.fetchone()
        en_id = row[0]
        cur.execute("INSERT INTO guacamole_user(entity_id, password_hash, password_date) VALUES ('{}', '\x74657374', now())".format(en_id)) 
        print("create user : " , u_id)
    else:
        en_id = row[0]
        cur.execute("SELECT password_hash FROM guacamole_user WHERE entity_id = '{}'".format(en_id))
        row = cur.fetchone()
        if row == None:
           cur.execute("INSERT INTO guacamole_user(entity_id, password_hash, password_date) VALUES ('{}', '\x74657374', now())".format(en_id))
        print("user exsit")
    cn = "{}{}".format(u_id,vm_num)
    cur.execute("SELECT connection_id FROM guacamole_connection WHERE connection_name = '{}'".format(cn))
    row = cur.fetchone()
    if row == None:
        #create connection
        cur.execute("INSERT INTO guacamole_connection (connection_name, protocol) VALUES ('{}', 'vnc')".format(cn))
        cur.execute("SELECT MAX(connection_id) FROM guacamole_connection WHERE connection_name = '{}' AND parent_id IS NULL".format(cn))
        temp_cn_id = cur.fetchone()
        cn_id = temp_cn_id[0]
        cur.execute("INSERT INTO guacamole_connection_parameter VALUES ('{}','hostname','{}')".format(cn_id, vm_host))
        cur.execute("INSERT INTO guacamole_connection_parameter VALUES ('{}','port','{}')".format(cn_id,vm_port))
        #connection permission
        cur.execute("INSERT INTO guacamole_connection_permission(entity_id, connection_id, permission) VALUES ('{}', '{}', 'READ')".format(en_id,cn_id))
        #clipboard-encoding
        cur.execute("INSERT INTO guacamole_connection_parameter VALUES ('{}','clipboard-encoding','UTF-8')".format(cn_id))
        print("create connection")
    else:    
        cur.execute("SELECT MAX(connection_id) FROM guacamole_connection WHERE connection_name = '{}' AND parent_id IS NULL".format(cn))
        temp_cn_id = cur.fetchone()
        cn_id = temp_cn_id[0]
        cur.execute("UPDATE guacamole_connection_parameter SET parameter_value='{}' where connection_id='{}' and parameter_name='hostname'".format(vm_host,cn_id))
        cur.execute("UPDATE guacamole_connection_parameter SET parameter_value='{}' where connection_id='{}' and parameter_name='port'".format(vm_port,cn_id))
        #cur.execute("UPDATE guacamole_connection_parameter SET parameter_value='UTF-8' where connection_id='{}' and parameter_name='clipboard-encoding'".format(cn_id))
        print("no connection")
    conn.close()
    return None

#print("test")
#conn.close()