import csv
import os
import sys
import zipfile

from datetime import datetime


def get_humane_date(timestamp, date_format):
    return datetime.fromtimestamp(timestamp).strftime(date_format)


def write_csv(csv_path, FIELD_NAMES, rows):
    with open(csv_path, "w", encoding="UTF8", newline="") as file:
        writer = csv.DictWriter(file, fieldnames=FIELD_NAMES)
        writer.writeheader()
        writer.writerows(rows)


def package_zip(zip_path, absolute_starting_path, zip_root_path, csv_path):
    shutil.make_archive(
        zip_path.replace(".zip", ""),
        "zip",
        absolute_starting_path.replace(zip_root_path, ""),
        zip_root_path,
    )
    zip = zipfile.ZipFile(zip_path, "a")
    zip.write(csv_path, os.path.basename(csv_path))
    zip.close()


def create_export_directory(CONFIG):
    if os.path.exists(CONFIG["export_directory"]) and os.path.isdir(
        CONFIG["export_directory"]
    ):
        os.system("rm '%s' -r" % (CONFIG["export_directory"]))
    os.makedirs(CONFIG["export_directory"])


def is_import_directory_okay(path):
    if not os.path.exists(path):
        raise ValueError("aborting: import directory path does not exist")
    if not os.path.isdir(path):
        raise ValueError("aborting: import directory path is not a directory")
    return True


def get_document_space(CONFIG, current_path):
    relative_path = os.path.relpath(current_path, CONFIG["absolute_starting_path"])
    if relative_path == ".":
        document_space = CONFIG["document_space"]
    else:
        path = relative_path.replace(".", "_").replace("/", ".")
        document_space = f"{CONFIG['document_space']}.{path}"
    return document_space


def get_attachments_folder_path(CONFIG, current_path):
    relative_path = os.path.relpath(current_path, CONFIG["absolute_starting_path"])
    if relative_path == ".":
        attachements_folder_path = os.path.basename(CONFIG["absolute_starting_path"])
    else:
        attachements_folder_path = relative_path.replace("/", ".")
    return attachements_folder_path


def get_document_space_title(CONFIG, current_path):
    relative_path = os.path.relpath(current_path, CONFIG["absolute_starting_path"])
    if relative_path == ".":
        document_space_title = CONFIG["document_space_title"]
    else:
        document_space_title = os.path.basename(current_path)
    return document_space_title