import os
from concurrent.futures import ThreadPoolExecutor

import requests

OUTPUT_DIR = "urls"
NUM_ROWS = 1800
MAX_WORKERS = 10

def main():
    if not os.path.isdir(OUTPUT_DIR):
        os.mkdir(OUTPUT_DIR)
    for i, grid_size in enumerate(['4x7', '4x6', '4x5', '4x4', '3x5', '3x4']):
        for j, difficulty in enumerate(['challenging', 'moderate', 'easy']):
            file_path = f'{OUTPUT_DIR}/{difficulty}{grid_size}.txt'
            count = 0
            if os.path.exists(file_path):
                with open(file_path) as rr:
                    count = len(rr.readlines())
            print(f"PROCESS: {file_path}, {count=}")
            with open(file_path, 'a') as file:
                with ThreadPoolExecutor(max_workers=MAX_WORKERS) as executor:
                    for _ in range(NUM_ROWS - count):
                        executor.submit(fetch_one, file, i, j)


def fetch_one(file, i, j):
    response = requests.post('https://logic.puzzlebaron.com/init2.php', data={'sg': 6 - i, 'sd': 3 - j})
    html_content = response.text
    sfx = html_content.partition('<form method="post" action="play.php?u2=')[2].partition('">')[0]
    if not sfx.isalnum():
        print("FAIL", sfx)
    url = f"https://logic.puzzlebaron.com/play.php?u2={sfx}\n"
    file.write(url)


main()