#!/usr/bin/env python3

import os
import re
import requests
import shutil
import zipfile

from bs4 import BeautifulSoup

from processing import clean


def download(url, file_path):
    response = requests.get(url)
    if response.status_code != 200:
        print(f"Download failure: {response.status_code}")
        exit(1)

    with open(file_path, 'wb') as f:
        f.write(response.content)
    print(f"Download success: {file_path}")


def unzip(archive_path, extract_path):
    with zipfile.ZipFile(archive_path, 'r') as zip_ref:
        zip_ref.extractall(extract_path)
        print(f"Extracted: {extract_path}")


def check_existence(filename):
    if os.path.exists(filename):
        print(f"{filename} found.")
        exit(0)
    else:
        print(f"No {filename}. Downloading...")


def get_tekstaro():
    tekstaro_website = 'https://tekstaro.com/elshutebla'
    tekstaro_version = 'tekstaro_de_esperanto_html_sen_streketoj'
    tekstaro_archive = f'{tekstaro_version}.zip'

    tekstaro_url = f'{tekstaro_website}/{tekstaro_archive}'
    download(tekstaro_url, tekstaro_archive)

    unzip(tekstaro_archive, './')
    os.remove(tekstaro_archive)

    shutil.move(os.path.join(tekstaro_version, 'tekstoj'), 'tekstoj')
    shutil.rmtree(tekstaro_version)

    shutil.rmtree(os.path.join('tekstoj', 'bildoj'))


def read_tekstaro():
    tekstaro = ""

    files = [file for file in os.listdir('tekstoj')]
    for file in files:
        with open(os.path.join('tekstoj', file)) as f:
            data = f.read()
            gfg = BeautifulSoup(data, "lxml")
            tekstaro += gfg.get_text()
    shutil.rmtree('tekstoj')

    return tekstaro


def write_tekstaro(filename, tekstaro):
    with open(filename, 'w') as f:
        f.write(tekstaro)


def main():
    filename = 'tekstaro.txt'

    check_existence(filename)
    tekstaro = get_tekstaro()

    tekstaro = read_tekstaro()
    tekstaro = clean(tekstaro)
    write_tekstaro(filename, tekstaro)


if __name__ == "__main__":
    main()