import time
import os

import mysql.connector
from mysql.connector import Error
from faker import Faker
Faker.seed(33422)

fake = Faker()

create_table_sql = """
CREATE TABLE `people` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `first_name` varchar(50) COLLATE utf8_unicode_ci NOT NULL,
  `last_name` varchar(50) COLLATE utf8_unicode_ci NOT NULL,
  `email` varchar(100) COLLATE utf8_unicode_ci NOT NULL,
  `zipcode` int(5) NOT NULL,
  `city` varchar(100) COLLATE utf8_unicode_ci NOT NULL,
  `country` varchar(100) COLLATE utf8_unicode_ci NOT NULL,
  `birthdate` date NOT NULL,
  `added` timestamp NOT NULL DEFAULT current_timestamp(),
  PRIMARY KEY (`id`),
  UNIQUE KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
"""

db_host = os.environ.get('DB_HOST', 'localhost')
db_name = os.environ.get('DB_NAME')
db_user = os.environ.get('DB_USER_NAME')
db_pass = os.environ.get('DB_USER_PASSWORD')

try:
    conn = mysql.connector.connect(host=db_host, database = db_name,
                                   user=db_user, password=db_pass)

    if conn.is_connected():
        cursor = conn.cursor()

        try:
            cursor.execute(create_table_sql)
            print("Table created")
        except Exception as e:
            print("Error creating table", e)
        row = {}
        n = 0

        while True:
            n += 1
            row = [fake.first_name(), fake.last_name(), fake.email(), \
               fake.postcode(), fake.city(), fake.country(), fake.date_of_birth()]

            cursor.execute(' \
                INSERT INTO `people` (first_name, last_name, email, zipcode, city, country, birthdate) \
                VALUES ("%s", "%s", "%s", %s, "%s", "%s", "%s"); \
                ' % (row[0], row[1], row[2], row[3], row[4], row[5], row[6]))

            if n % 100 == 0:
                print("iteration %s" % n)
                time.sleep(0.5)
                conn.commit()
except Error as e :
    print ("error", e)
    pass
except Exception as e:
    print ("Unknown error %s", e)
finally:
    #closing database connection.
    if(conn and conn.is_connected()):
        conn.commit()
        cursor.close()
        conn.close()