# Copyright (c) 2020, Howard Hughes Medical Institute
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import rclpy
from rclpy.node import Node
from rosidl_runtime_py import convert

from smart_cage_msgs.msg import DataWriterControl

from pathlib import Path
import datetime
import csv

class DataWriterNode(Node):
    def __init__(self, name):
        super().__init__(name)
        self.logger = self.get_logger()

        self.save_data = False

        self._data_writer_control_subscription = self.create_subscription(
            DataWriterControl,
            'data_writer_control',
            self._data_writer_control_callback,
            10)
        self._data_writer_control_subscription  # prevent unused variable warning

        self.base_path = Path.home() / 'smart_cage_data' / datetime.datetime.now().strftime("%Y-%m-%d")
        try:
            self.base_path.mkdir(parents=True)
        except FileExistsError:
            pass

    def _data_writer_control_callback(self, msg):
        self.save_data = msg.save_data
