"""
 Copyright (c) 2022, salesforce.com, inc.
 All rights reserved.
 SPDX-License-Identifier: BSD-3-Clause
 For full license text, see the LICENSE_Lavis file in the repo root or https://opensource.org/licenses/BSD-3-Clause
"""

import io
import json
import logging
import os
import pickle
import re
import shutil
import urllib
import urllib.error
import urllib.request
from typing import Optional
from urllib.parse import urlparse

import numpy as np
import pandas as pd
import yaml
from iopath.common.download import download
from iopath.common.file_io import file_lock, g_pathmgr
from my_affectgpt.common.registry import registry
from torch.utils.model_zoo import tqdm


def is_url(url_or_filename):
    parsed = urlparse(url_or_filename)
    return parsed.scheme in ("http", "https")


def get_cache_path(rel_path):
    return os.path.expanduser(os.path.join(registry.get_path("cache_root"), rel_path))


def get_abs_path(rel_path):
    return os.path.join(registry.get_path("library_root"), rel_path)


def load_json(filename):
    with open(filename, "r") as f:
        return json.load(f)


def makedir(dir_path):
    """
    Create the directory if it does not exist.
    """
    is_success = False
    try:
        if not g_pathmgr.exists(dir_path):
            g_pathmgr.mkdirs(dir_path)
        is_success = True
    except BaseException:
        print(f"Error creating directory: {dir_path}")
    return is_success


def abspath(resource_path: str):
    """
    Make a path absolute, but take into account prefixes like
    "http://" or "manifold://"
    """
    regex = re.compile(r"^\w+://")
    if regex.match(resource_path) is None:
        return os.path.abspath(resource_path)
    else:
        return resource_path


def makedir(dir_path):
    """
    Create the directory if it does not exist.
    """
    is_success = False
    try:
        if not g_pathmgr.exists(dir_path):
            g_pathmgr.mkdirs(dir_path)
        is_success = True
    except BaseException:
        logging.info(f"Error creating directory: {dir_path}")
    return is_success


def is_url(input_url):
    """
    Check if an input string is a url. look for http(s):// and ignoring the case
    """
    is_url = re.match(r"^(?:http)s?://", input_url, re.IGNORECASE) is not None
    return is_url


def cleanup_dir(dir):
    """
    Utility for deleting a directory. Useful for cleaning the storage space
    that contains various training artifacts like checkpoints, data etc.
    """
    if os.path.exists(dir):
        logging.info(f"Deleting directory: {dir}")
        shutil.rmtree(dir)
    logging.info(f"Deleted contents of directory: {dir}")


def get_file_size(filename):
    """
    Given a file, get the size of file in MB
    """
    size_in_mb = os.path.getsize(filename) / float(1024**2)
    return size_in_mb