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"""Microsoft SQLServer hook module"""

import pymssql

from airflow.hooks.dbapi import DbApiHook


class MsSqlHook(DbApiHook):
    """Interact with Microsoft SQL Server."""

    conn_name_attr = 'mssql_conn_id'
    default_conn_name = 'mssql_default'
    conn_type = 'mssql'
    hook_name = 'Microsoft SQL Server'
    supports_autocommit = True

    def __init__(self, *args, **kwargs) -> None:
        super().__init__(*args, **kwargs)
        self.schema = kwargs.pop("schema", None)

    def get_conn(
        self,
    ) -> pymssql.connect:
        """Returns a mssql connection object"""
        conn = self.get_connection(self.mssql_conn_id)  # type: ignore[attr-defined]

        conn = pymssql.connect(
            server=conn.host,
            user=conn.login,
            password=conn.password,
            database=self.schema or conn.schema,
            port=conn.port,
        )
        return conn

    def set_autocommit(
        self,
        conn: pymssql.connect,
        autocommit: bool,
    ) -> None:
        conn.autocommit(autocommit)

    def get_autocommit(self, conn: pymssql.connect):
        return conn.autocommit_state
