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#   http://www.apache.org/licenses/LICENSE-2.0
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import os

from airflow.hooks.base import BaseHook
from smbclient import SambaClient


class SambaHook(BaseHook):
    """Allows for interaction with an samba server."""

    conn_name_attr = "samba_conn_id"
    default_conn_name = "samba_default"
    conn_type = "samba"
    hook_name = "Samba"

    def __init__(self, samba_conn_id: str = default_conn_name) -> None:
        super().__init__()
        self.conn = self.get_connection(samba_conn_id)

    def get_conn(self) -> SambaClient:
        samba = SambaClient(
            server=self.conn.host,
            share=self.conn.schema,
            username=self.conn.login,
            ip=self.conn.host,
            password=self.conn.password,
        )
        return samba

    def push_from_local(self, destination_filepath: str, local_filepath: str) -> None:
        """Push local file to samba server"""
        samba = self.get_conn()
        if samba.exists(destination_filepath):
            if samba.isfile(destination_filepath):
                samba.remove(destination_filepath)
        else:
            folder = os.path.dirname(destination_filepath)
            if not samba.exists(folder):
                samba.mkdir(folder)
        samba.upload(local_filepath, destination_filepath)