#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Module sql connection."""

# /*
# * ----------------------------------------------------------------------------
# * "THE BEER-WARE LICENSE" (Revision 42):
# * <boris.tassou@securmail.fr> wrote this file. As long as you retain this notice you
# * can do whatever you want with this stuff. If we meet some day, and you think
# * this stuff is worth it, you can buy me a beer in return Boris Tassou
# * ----------------------------------------------------------------------------
# */

from configparser import ConfigParser
import os
import pymysql
import sys

# Read conf.ini
INI_CONF = "./config/mysql_conf.ini"

if os.path.exists(INI_CONF) is False:
    print("MySQL configuration error, {}: file not found".format(INI_CONF))
    sys.exit(1)

CONFIG = ConfigParser()
CONFIG.read(INI_CONF)

# DB parameters
SQL_HOST = CONFIG.get('mysql', 'host')
SQL_DB = CONFIG.get('mysql', 'database')
SQL_USER = CONFIG.get('mysql', 'user')
SQL_PWD = CONFIG.get('mysql', 'passwd')


class HandleSql:
    """Class to handle sql connection."""

    @staticmethod
    def sql_conn():
        """Init sql connection."""
        try:
            global conn
            conn = pymysql.connect(host=SQL_HOST, db=SQL_DB, user=SQL_USER, passwd=SQL_PWD)
            cur = conn.cursor()
            return True
        except pymysql.DatabaseError as error:
            print(error)

    @staticmethod
    def sql_select(fsql_select):
        """Sql select request."""
        # global cur
        cur = conn.cursor()
        sql_return = cur.execute(fsql_select)
        sql_return = cur.fetchall()
        return sql_return

    @staticmethod
    def sql_delete(fsql_delete):
        """Sql delte request."""
        # global cur
        cur = conn.cursor()
        cur.execute(fsql_delete)
        conn.commit()

    @staticmethod
    def sql_insert(fsql_insert):
        """Sql insert request."""
        # global cur
        cur = conn.cursor()
        cur.execute(fsql_insert)
        conn.commit()

    @staticmethod
    def sql_unconn():
        """Deconnection sql."""
        cur = conn.cursor()
        cur.close()
        conn.close()

if __name__ == "__main__":
    print("Module sql to handle the connection")