from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import sys

import logging
import os


def get_logger(log_dir, name):
    logger = logging.getLogger(name)
    logger.setLevel(logging.DEBUG)
    # Add file handler and stdout handler
    formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
    file_handler = logging.FileHandler(os.path.join(log_dir, 'info.log'))
    file_handler.setFormatter(formatter)
    # Add console handler.
    console_formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setFormatter(console_formatter)
    logger.addHandler(file_handler)
    logger.addHandler(console_handler)
    # Add google cloud log handler
    logger.info('Log directory: %s', log_dir)
    return logger


def config_logging(log_dir, log_filename='info.log', level=logging.INFO):
    # Add file handler and stdout handler
    formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
    # Create the log directory if necessary.
    try:
        os.makedirs(log_dir)
    except OSError:
        pass
    file_handler = logging.FileHandler(os.path.join(log_dir, log_filename))
    file_handler.setFormatter(formatter)
    file_handler.setLevel(level=level)
    # Add console handler.
    console_formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setFormatter(console_formatter)
    console_handler.setLevel(level=level)
    logging.basicConfig(handlers=[file_handler, console_handler], level=level)